/**
 * WooCow – Admin JavaScript
 */
(function ($) {
    'use strict';

    const ajax = (action, data) =>
        $.post(woocow.ajax_url, { action, nonce: woocow.nonce, ...data });

    const notice = ($el, type, msg, autohide = true) => {
        $el.html(`<div class="notice notice-${type} is-dismissible"><p>${msg}</p></div>`);
        if (autohide) setTimeout(() => $el.find('.notice').fadeOut(), 4000);
    };

    // ── Servers Page ──────────────────────────────────────────────────────────

    if ($('#wc-servers-table-wrap').length) {
        let editId = 0;

        const loadServers = () => {
            ajax('woocow_servers_list').done(res => {
                if (!res.success) return;
                const rows = res.data;
                if (!rows.length) {
                    $('#wc-servers-table-wrap').html('<p>No servers yet. Add one above.</p>');
                    return;
                }
                let html = `<table class="wp-list-table widefat fixed striped woocow-table">
                    <thead><tr>
                        <th>Name</th><th>URL</th><th>Status</th><th>Added</th><th>Actions</th>
                    </tr></thead><tbody>`;
                rows.forEach(s => {
                    const badge = s.active == 1
                        ? '<span class="woocow-badge woocow-badge-green">Active</span>'
                        : '<span class="woocow-badge woocow-badge-grey">Inactive</span>';
                    html += `<tr data-id="${s.id}" data-name="${esc(s.name)}" data-url="${esc(s.url)}">
                        <td><strong>${esc(s.name)}</strong></td>
                        <td><a href="${esc(s.url)}" target="_blank" rel="noopener">${esc(s.url)}</a></td>
                        <td>${badge}</td>
                        <td>${s.created_at.split(' ')[0]}</td>
                        <td class="woocow-actions">
                            <button class="button button-small wc-srv-edit" data-id="${s.id}">Edit</button>
                            <button class="button button-small wc-srv-test" data-id="${s.id}">Test</button>
                            <button class="button button-small wc-srv-del" data-id="${s.id}" style="color:#a00">Delete</button>
                        </td>
                    </tr>`;
                });
                html += '</tbody></table>';
                $('#wc-servers-table-wrap').html(html);
                $('#wc-servers-loading').hide();
            });
        };

        loadServers();

        // Show add form
        $('#wc-add-server').on('click', () => {
            editId = 0;
            $('#wc-server-id').val('');
            $('#wc-server-name, #wc-server-url, #wc-server-key').val('');
            $('#wc-server-active').prop('checked', true);
            $('#wc-server-form-title').text('Add Server');
            $('#wc-server-form').slideDown();
        });

        // Edit row
        $(document).on('click', '.wc-srv-edit', function () {
            editId = $(this).data('id');
            const $row = $(this).closest('tr');
            $('#wc-server-id').val(editId);
            $('#wc-server-name').val($row.data('name'));
            $('#wc-server-url').val($row.data('url'));
            $('#wc-server-key').val('');
            $('#wc-server-active').prop('checked', true);
            $('#wc-server-form-title').text('Edit Server');
            $('#wc-server-form').slideDown();
            $('html, body').animate({ scrollTop: 0 }, 300);
        });

        // Save
        $('#wc-server-save').on('click', () => {
            const data = {
                id:      $('#wc-server-id').val(),
                name:    $('#wc-server-name').val().trim(),
                url:     $('#wc-server-url').val().trim(),
                api_key: $('#wc-server-key').val().trim(),
                active:  $('#wc-server-active').is(':checked') ? 1 : 0,
            };
            if (!data.name || !data.url || (!data.api_key && !editId)) {
                notice($('#wc-notices'), 'error', 'Please fill in all required fields.');
                return;
            }
            ajax('woocow_server_save', data).done(res => {
                if (res.success) {
                    notice($('#wc-notices'), 'success', 'Server saved.');
                    $('#wc-server-form').slideUp();
                    loadServers();
                } else {
                    notice($('#wc-notices'), 'error', res.data || 'Save failed.');
                }
            });
        });

        // Test connection
        $('#wc-server-test').on('click', () => {
            const $result = $('#wc-server-test-result').text('Testing…');
            ajax('woocow_server_test', {
                id:      $('#wc-server-id').val(),
                url:     $('#wc-server-url').val().trim(),
                api_key: $('#wc-server-key').val().trim(),
            }).done(res => {
                if (res.success) {
                    $result.html(`<span style="color:green">✓ Connected – Mailcow ${esc(res.data.version)}</span>`);
                } else {
                    $result.html(`<span style="color:red">✗ ${esc(res.data)}</span>`);
                }
            });
        });

        // Test from row
        $(document).on('click', '.wc-srv-test', function () {
            const id  = $(this).data('id');
            const $td = $(this).closest('td');
            $td.append('<span class="wc-inline-test"> Testing…</span>');
            ajax('woocow_server_test', { id }).done(res => {
                $td.find('.wc-inline-test').html(
                    res.success
                        ? `<span style="color:green"> ✓ v${esc(res.data.version)}</span>`
                        : `<span style="color:red"> ✗ ${esc(res.data)}</span>`
                );
            });
        });

        // Delete
        $(document).on('click', '.wc-srv-del', function () {
            if (!confirm('Delete this server? All domain assignments for it will also be removed.')) return;
            ajax('woocow_server_delete', { id: $(this).data('id') }).done(res => {
                if (res.success) loadServers();
                else notice($('#wc-notices'), 'error', res.data);
            });
        });

        $('#wc-server-cancel').on('click', () => $('#wc-server-form').slideUp());
    }

    // ── Assignments Page ──────────────────────────────────────────────────────

    if ($('#wc-assignments-table-wrap').length) {

        const loadAssignments = () => {
            ajax('woocow_assignments_list').done(res => {
                if (!res.success) return;
                const rows = res.data;
                if (!rows.length) {
                    $('#wc-assignments-table-wrap').html('<p>No assignments yet.</p>');
                    $('#wc-assignments-loading').hide();
                    return;
                }
                let html = `<table class="wp-list-table widefat fixed striped woocow-table">
                    <thead><tr>
                        <th>Customer</th><th>Email</th><th>Domain</th><th>Server</th><th>Assigned</th><th>Actions</th>
                    </tr></thead><tbody>`;
                rows.forEach(r => {
                    html += `<tr>
                        <td>${esc(r.display_name)}</td>
                        <td>${esc(r.user_email)}</td>
                        <td><strong>${esc(r.domain)}</strong></td>
                        <td>${esc(r.server_name)}</td>
                        <td>${r.created_at.split(' ')[0]}</td>
                        <td><button class="button button-small wc-assign-del" data-id="${r.id}" style="color:#a00">Remove</button></td>
                    </tr>`;
                });
                html += '</tbody></table>';
                $('#wc-assignments-table-wrap').html(html);
                $('#wc-assignments-loading').hide();
            });
        };

        // Load servers into select
        ajax('woocow_servers_list').done(res => {
            if (!res.success) return;
            res.data.filter(s => s.active == 1).forEach(s => {
                $('#wc-assign-server').append(`<option value="${s.id}">${esc(s.name)}</option>`);
            });
        });

        // Server → load domains
        $('#wc-assign-server').on('change', function () {
            const sid = $(this).val();
            $('#wc-assign-domain').html('<option value="">— Loading —</option>');
            if (!sid) { $('#wc-domain-row').hide(); return; }
            ajax('woocow_server_domains', { server_id: sid }).done(res => {
                if (!res.success) {
                    alert('Could not load domains: ' + res.data);
                    return;
                }
                $('#wc-assign-domain').html('<option value="">— Select domain —</option>');
                res.data.forEach(d => {
                    $('#wc-assign-domain').append(`<option value="${esc(d.domain)}">${esc(d.domain)}</option>`);
                });
                $('#wc-domain-row').show();
            });
        });

        // Customer autocomplete
        let searchTimer;
        $('#wc-cust-search').on('input', function () {
            clearTimeout(searchTimer);
            const term = $(this).val().trim();
            if (term.length < 2) { $('#wc-cust-results').hide(); return; }
            searchTimer = setTimeout(() => {
                ajax('woocow_customers_search', { term }).done(res => {
                    if (!res.success || !res.data.length) { $('#wc-cust-results').hide(); return; }
                    let html = '';
                    res.data.forEach(c => {
                        html += `<div class="woocow-ac-item" data-id="${c.id}" data-label="${esc(c.label)}">${esc(c.label)}</div>`;
                    });
                    $('#wc-cust-results').html(html).show();
                });
            }, 250);
        });

        $(document).on('click', '.woocow-ac-item', function () {
            $('#wc-cust-id').val($(this).data('id'));
            $('#wc-cust-search').val('');
            $('#wc-cust-selected').text($(this).data('label'));
            $('#wc-cust-results').hide();
        });

        $(document).on('click', function (e) {
            if (!$(e.target).closest('#wc-cust-results, #wc-cust-search').length) {
                $('#wc-cust-results').hide();
            }
        });

        // Save assignment
        $('#wc-assign-save').on('click', () => {
            const customer_id = $('#wc-cust-id').val();
            const server_id   = $('#wc-assign-server').val();
            const domain      = $('#wc-assign-domain').val();
            if (!customer_id || !server_id || !domain) {
                notice($('#wc-assign-notice'), 'error', 'Please select a customer, server, and domain.');
                return;
            }
            ajax('woocow_assignment_save', { customer_id, server_id, domain }).done(res => {
                if (res.success) {
                    notice($('#wc-assign-notice'), 'success', `Domain <strong>${esc(domain)}</strong> assigned.`);
                    $('#wc-cust-id').val('');
                    $('#wc-cust-selected').text('');
                    loadAssignments();
                } else {
                    notice($('#wc-assign-notice'), 'error', res.data);
                }
            });
        });

        // Delete assignment
        $(document).on('click', '.wc-assign-del', function () {
            if (!confirm('Remove this domain assignment?')) return;
            ajax('woocow_assignment_delete', { id: $(this).data('id') }).done(res => {
                if (res.success) loadAssignments();
            });
        });

        loadAssignments();
    }

    // ── Mailboxes Page ────────────────────────────────────────────────────────

    if ($('#wc-mb-table-wrap').length) {
        let currentServerId = null;
        let currentDomain   = null;

        // Server → load domains
        $('#wc-mb-server').on('change', function () {
            const sid = $(this).val();
            $('#wc-mb-domain').hide().html('<option value="">— Select domain —</option>');
            $('#wc-mb-load').prop('disabled', true);
            if (!sid) return;
            ajax('woocow_server_domains', { server_id: sid }).done(res => {
                if (!res.success) return;
                res.data.forEach(d => {
                    $('#wc-mb-domain').append(`<option value="${esc(d.domain)}">${esc(d.domain)}</option>`);
                });
                $('#wc-mb-domain').show();
            });
        });

        $('#wc-mb-domain').on('change', function () {
            $('#wc-mb-load').prop('disabled', !$(this).val());
        });

        const loadMailboxes = () => {
            currentServerId = $('#wc-mb-server').val();
            currentDomain   = $('#wc-mb-domain').val();
            if (!currentServerId || !currentDomain) return;

            $('#wc-mb-table-wrap').html('<p>Loading…</p>');
            ajax('woocow_admin_mailboxes', { server_id: currentServerId, domain: currentDomain }).done(res => {
                if (!res.success) {
                    $('#wc-mb-table-wrap').html(`<div class="notice notice-error"><p>${esc(res.data)}</p></div>`);
                    return;
                }
                const boxes = res.data.mailboxes || [];
                const webmail = res.data.webmail_url;

                if (!boxes.length) {
                    $('#wc-mb-table-wrap').html('<p>No mailboxes found for this domain.</p>');
                } else {
                    let html = `<table class="wp-list-table widefat fixed striped woocow-table">
                        <thead><tr>
                            <th>Email</th><th>Name</th><th>Quota Used</th><th>Quota Max</th><th>Active</th><th>Actions</th>
                        </tr></thead><tbody>`;
                    boxes.forEach(m => {
                        const pct    = m.percent_in_use || 0;
                        const used   = formatMB(m.quota_used);
                        const max    = formatMB(m.quota);
                        const bar    = `<div class="woocow-quota-bar"><div style="width:${pct}%"></div></div>`;
                        const quotaMB = Math.round((m.quota || 0) / 1024 / 1024);
                        html += `<tr>
                            <td><a href="${esc(webmail)}" target="_blank">${esc(m.username)}</a></td>
                            <td>${esc(m.name)}</td>
                            <td>${used} ${bar}</td>
                            <td>${max}</td>
                            <td>${m.active == 1 ? '✓' : '–'}</td>
                            <td class="woocow-actions">
                                <button class="button button-small woocow-icon-btn wc-mb-reset-pw"
                                    title="Reset Password" data-email="${esc(m.username)}">
                                    <span class="dashicons dashicons-lock"></span>
                                </button>
                                <button class="button button-small woocow-icon-btn wc-mb-set-quota"
                                    title="Set Quota" data-email="${esc(m.username)}" data-quota="${quotaMB}">
                                    <span class="dashicons dashicons-chart-bar"></span>
                                </button>
                                <button class="button button-small woocow-icon-btn wc-mb-del"
                                    title="Delete" data-email="${esc(m.username)}" style="color:#a00">
                                    <span class="dashicons dashicons-trash"></span>
                                </button>
                            </td>
                        </tr>`;
                    });
                    html += '</tbody></table>';
                    $('#wc-mb-table-wrap').html(html);
                }

                $('#wc-mb-domain-label').text(currentDomain);
                $('#wc-mb-create').show();
            });
        };

        $('#wc-mb-load').on('click', loadMailboxes);

        // Create mailbox modal
        $('#wc-mb-create').on('click', () => {
            $('#wc-mb-local, #wc-mb-fullname, #wc-mb-pass, #wc-mb-pass2').val('');
            $('#wc-mb-quota').val(1024);
            $('#wc-mb-modal-notice').text('');
            $('#wc-mb-modal').show();
        });
        $('#wc-mb-modal-cancel').on('click', () => $('#wc-mb-modal').hide());
        $(document).on('keydown', e => { if (e.key === 'Escape') $('#wc-mb-modal').hide(); });

        $('#wc-mb-modal-save').on('click', () => {
            const data = {
                server_id:  currentServerId,
                domain:     currentDomain,
                local_part: $('#wc-mb-local').val().trim(),
                name:       $('#wc-mb-fullname').val().trim(),
                password:   $('#wc-mb-pass').val(),
                password2:  $('#wc-mb-pass2').val(),
                quota:      $('#wc-mb-quota').val(),
            };
            $('#wc-mb-modal-notice').text('Creating…');
            ajax('woocow_admin_mailbox_create', data).done(res => {
                if (res.success) {
                    $('#wc-mb-modal').hide();
                    notice($('#wc-mb-notices'), 'success', `Mailbox <strong>${esc(res.data.email)}</strong> created.`);
                    loadMailboxes();
                } else {
                    $('#wc-mb-modal-notice').html(`<span style="color:red">${esc(res.data)}</span>`);
                }
            });
        });

        // Delete mailbox
        $(document).on('click', '.wc-mb-del', function () {
            const email = $(this).data('email');
            if (!confirm(`Delete mailbox ${email}? This cannot be undone.`)) return;
            ajax('woocow_admin_mailbox_delete', { server_id: currentServerId, email }).done(res => {
                if (res.success) loadMailboxes();
                else notice($('#wc-mb-notices'), 'error', res.data);
            });
        });

        // ── Edit modal: Reset PW ──────────────────────────────────────────────

        let editEmail = '';
        let editType  = '';

        const openEditModal = (email, type, currentQuota) => {
            editEmail = email;
            editType  = type;
            $('#wc-mb-edit-subtitle').text(email);
            $('#wc-mb-edit-notice').text('');
            $('#wc-mb-edit-pw-section, #wc-mb-edit-quota-section').hide();

            if (type === 'password') {
                $('#wc-mb-edit-title').text('Reset Password');
                $('#wc-mb-edit-pass, #wc-mb-edit-pass2').val('');
                $('#wc-mb-edit-pw-section').show();
                setTimeout(() => $('#wc-mb-edit-pass').trigger('focus'), 100);
            } else {
                $('#wc-mb-edit-title').text('Set Quota');
                $('#wc-mb-edit-quota').val(currentQuota || 1024);
                $('#wc-mb-edit-quota-section').show();
                setTimeout(() => $('#wc-mb-edit-quota').trigger('focus'), 100);
            }
            $('#wc-mb-edit-modal').show();
        };

        $(document).on('click', '.wc-mb-reset-pw', function () {
            openEditModal($(this).data('email'), 'password', null);
        });

        $(document).on('click', '.wc-mb-set-quota', function () {
            openEditModal($(this).data('email'), 'quota', $(this).data('quota'));
        });

        $('#wc-mb-edit-cancel').on('click', () => $('#wc-mb-edit-modal').hide());
        $(document).on('keydown', e => { if (e.key === 'Escape') $('#wc-mb-edit-modal').hide(); });

        $('#wc-mb-edit-save').on('click', () => {
            const $note = $('#wc-mb-edit-notice').text('Saving…');
            const data  = { server_id: currentServerId, email: editEmail, type: editType };

            if (editType === 'password') {
                data.password  = $('#wc-mb-edit-pass').val();
                data.password2 = $('#wc-mb-edit-pass2').val();
                if (!data.password) { $note.html('<span style="color:red">Password cannot be empty.</span>'); return; }
                if (data.password !== data.password2) { $note.html('<span style="color:red">Passwords do not match.</span>'); return; }
            } else {
                data.quota = $('#wc-mb-edit-quota').val();
                if (!data.quota || data.quota < 1) { $note.html('<span style="color:red">Enter a valid quota.</span>'); return; }
            }

            ajax('woocow_admin_mailbox_edit', data).done(res => {
                if (res.success) {
                    $('#wc-mb-edit-modal').hide();
                    const msg = editType === 'password' ? 'Password updated.' : 'Quota updated.';
                    notice($('#wc-mb-notices'), 'success', `<strong>${esc(editEmail)}</strong> — ${msg}`);
                    if (editType === 'quota') loadMailboxes(); // refresh to show new quota
                } else {
                    $note.html(`<span style="color:red">${esc(res.data)}</span>`);
                }
            });
        });
    }

    // ── Utilities ─────────────────────────────────────────────────────────────

    function esc(str) {
        return String(str).replace(/[&<>"']/g, m => ({
            '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;'
        })[m]);
    }

    function formatMB(bytes) {
        if (bytes === 0 || bytes === '0') return '∞';
        if (!bytes) return '0 MB';
        const mb = bytes / 1024 / 1024;
        return mb >= 1024 ? (mb / 1024).toFixed(1) + ' GB' : mb.toFixed(0) + ' MB';
    }

    // ── Domains Page ──────────────────────────────────────────────────────────

    if ($('#wc-dom-server').length) {
        let domServerId  = null;
        let domServerUrl = null;
        let domainsData  = {}; // domain name → full data object

        $('#wc-dom-server').on('change', function () {
            domServerId  = $(this).val();
            domServerUrl = $(this).find('option:selected').data('url');
            $('#wc-dom-load').prop('disabled', !domServerId);
            $('#wc-dom-add-btn, #wc-dom-table-wrap').hide();
            domainsData = {};
        });

        const loadDomains = () => {
            ajax('woocow_server_domains', { server_id: domServerId }).done(res => {
                if (!res.success) {
                    notice($('#wc-dom-notices'), 'error', res.data);
                    return;
                }
                const domains = res.data;
                domainsData = {};
                domains.forEach(d => { domainsData[d.domain] = d; });

                if (!domains.length) {
                    $('#wc-dom-table-wrap').html('<p>No domains on this server yet.</p>').show();
                } else {
                    let html = `<table class="wp-list-table widefat fixed striped woocow-table">
                        <thead><tr>
                            <th>Domain</th>
                            <th>Mailboxes</th>
                            <th>Quota Used</th>
                            <th>Active</th>
                            <th>Actions</th>
                        </tr></thead><tbody>`;
                    domains.forEach(d => {
                        const mboxes  = `${d.mboxes_in}/${d.mailboxes || '∞'}`;
                        const qUsed   = formatMB(d.quota_used * 1024 * 1024);
                        const qTotal  = d.quota ? formatMB(d.quota * 1024 * 1024) : '∞';
                        const active  = d.active == 1
                            ? '<span class="woocow-badge woocow-badge-green">Active</span>'
                            : '<span class="woocow-badge woocow-badge-grey">Inactive</span>';
                        html += `<tr>
                            <td><strong>${esc(d.domain)}</strong>${d.description ? `<br><small class="description">${esc(d.description)}</small>` : ''}</td>
                            <td>${mboxes}</td>
                            <td>${qUsed} / ${qTotal}</td>
                            <td>${active}</td>
                            <td class="woocow-actions">
                                <button class="button button-small woocow-icon-btn wc-dom-dns"
                                    title="DNS Records" data-domain="${esc(d.domain)}">
                                    <span class="dashicons dashicons-admin-site"></span>
                                </button>
                                <button class="button button-small woocow-icon-btn wc-dom-edit"
                                    title="Edit" data-domain="${esc(d.domain)}">
                                    <span class="dashicons dashicons-edit"></span>
                                </button>
                                <button class="button button-small woocow-icon-btn wc-dom-del"
                                    title="Delete" data-domain="${esc(d.domain)}" style="color:#a00">
                                    <span class="dashicons dashicons-trash"></span>
                                </button>
                            </td>
                        </tr>`;
                    });
                    html += '</tbody></table>';
                    $('#wc-dom-table-wrap').html(html).show();
                }
                $('#wc-dom-add-btn').show();
            });
        };

        $('#wc-dom-load').on('click', loadDomains);

        $('#wc-dom-add-btn').on('click', () => {
            $('#wc-dom-name, #wc-dom-desc').val('');
            $('#wc-dom-form-notice').text('');
            $('#wc-dom-form').slideDown();
        });
        $('#wc-dom-cancel').on('click', () => $('#wc-dom-form').slideUp());

        $('#wc-dom-save').on('click', () => {
            const $note = $('#wc-dom-form-notice').text('Adding domain…');
            const data = {
                server_id:   domServerId,
                domain:      $('#wc-dom-name').val().trim(),
                description: $('#wc-dom-desc').val().trim(),
                mailboxes:   $('#wc-dom-mailboxes').val(),
                aliases:     $('#wc-dom-aliases').val(),
                quota:       $('#wc-dom-quota').val(),
                defquota:    $('#wc-dom-defquota').val(),
                dkim_size:   $('#wc-dom-dkim-size').val(),
            };
            if (!data.domain) { $note.html('<span style="color:red">Domain name required.</span>'); return; }

            ajax('woocow_admin_domain_add', data).done(res => {
                if (res.success) {
                    $note.html('<span style="color:green">✓ Domain added with DKIM generated!</span>');
                    $('#wc-dom-form').slideUp();
                    loadDomains();
                } else {
                    $note.html(`<span style="color:red">${esc(res.data)}</span>`);
                }
            });
        });

        // ── Edit Domain modal ─────────────────────────────────────────────────

        $(document).on('click', '.wc-dom-edit', function () {
            const domain = $(this).data('domain');
            const d      = domainsData[domain];
            if (!d) return;

            $('#wc-dom-edit-domain').val(domain);
            $('#wc-dom-edit-name').text(domain);
            $('#wc-dom-edit-desc').val(d.description || '');
            $('#wc-dom-edit-mboxes').val(d.mailboxes || 10);
            $('#wc-dom-edit-aliases').val(d.aliases || 400);
            $('#wc-dom-edit-quota').val(d.quota || 10240);
            $('#wc-dom-edit-defquota').val(d.defquota || 3072);
            $('#wc-dom-edit-rl-value').val(d.rl_value || 0);
            $('#wc-dom-edit-rl-frame').val(d.rl_frame || 's');
            $('#wc-dom-edit-active').prop('checked', d.active == 1);
            $('#wc-dom-edit-notice').text('');

            // Load relayhosts into transport dropdown
            const $sel = $('#wc-dom-edit-relayhost').html('<option value="0">— Direct delivery (no relay) —</option>');
            ajax('woocow_admin_relayhosts_list', { server_id: domServerId }).done(rh => {
                if (rh.success && Array.isArray(rh.data)) {
                    rh.data.forEach(r => {
                        $sel.append(`<option value="${r.id}">${esc(r.hostname)}</option>`);
                    });
                    $sel.val(d.relayhost || '0');
                }
            });

            $('#wc-dom-edit-modal').show();
        });

        $('#wc-dom-edit-cancel').on('click', () => $('#wc-dom-edit-modal').hide());

        $('#wc-dom-edit-save').on('click', () => {
            const $note  = $('#wc-dom-edit-notice').text('Saving…');
            const domain = $('#wc-dom-edit-domain').val();
            ajax('woocow_admin_domain_edit', {
                server_id:   domServerId,
                domain,
                description: $('#wc-dom-edit-desc').val(),
                mailboxes:   $('#wc-dom-edit-mboxes').val(),
                aliases:     $('#wc-dom-edit-aliases').val(),
                quota:       $('#wc-dom-edit-quota').val(),
                defquota:    $('#wc-dom-edit-defquota').val(),
                rl_value:    $('#wc-dom-edit-rl-value').val(),
                rl_frame:    $('#wc-dom-edit-rl-frame').val(),
                relayhost:   $('#wc-dom-edit-relayhost').val(),
                active:      $('#wc-dom-edit-active').is(':checked') ? 1 : 0,
            }).done(res => {
                if (res.success) {
                    $('#wc-dom-edit-modal').hide();
                    notice($('#wc-dom-notices'), 'success', `Domain <strong>${esc(domain)}</strong> updated.`);
                    loadDomains();
                } else {
                    $note.html(`<span style="color:red">${esc(res.data)}</span>`);
                }
            });
        });

        // ── Delete Domain ─────────────────────────────────────────────────────

        $(document).on('click', '.wc-dom-del', function () {
            const domain = $(this).data('domain');
            if (!confirm(`Delete domain ${domain}? This will also delete all mailboxes, aliases, and data on the Mailcow server. This cannot be undone!`)) return;
            ajax('woocow_admin_domain_delete', { server_id: domServerId, domain }).done(res => {
                if (res.success) {
                    notice($('#wc-dom-notices'), 'success', `Domain <strong>${esc(domain)}</strong> deleted.`);
                    loadDomains();
                } else {
                    notice($('#wc-dom-notices'), 'error', res.data);
                }
            });
        });

        // DNS Records panel
        $(document).on('click', '.wc-dom-dns', function () {
            const domain = $(this).data('domain');
            $('#wc-dom-dns-domain').text(domain);
            $('#wc-dom-dns-content').html('<p>Loading…</p>');
            $('#wc-dom-dns-panel').show();
            $('html,body').animate({ scrollTop: $('#wc-dom-dns-panel').offset().top - 40 }, 300);

            ajax('woocow_admin_domain_dns', { server_id: domServerId, domain }).done(res => {
                if (!res.success) {
                    $('#wc-dom-dns-content').html(`<p style="color:red">${esc(res.data)}</p>`);
                    return;
                }
                const d = res.data;
                let html = `<table class="wp-list-table widefat fixed striped woocow-table woocow-dns-table">
                    <thead><tr><th>Type</th><th>Host / Name</th><th>Value</th><th>Priority</th><th>TTL</th><th>Note</th><th></th></tr></thead><tbody>`;
                d.records.forEach(r => {
                    html += `<tr>
                        <td><code>${esc(r.type)}</code></td>
                        <td class="woocow-dns-host"><code>${esc(r.host)}</code></td>
                        <td class="woocow-dns-val"><code class="woocow-dns-value">${esc(r.value)}</code></td>
                        <td>${esc(r.prio)}</td>
                        <td>${esc(r.ttl)}</td>
                        <td><em>${esc(r.note || '')}</em></td>
                        <td><button class="button button-small wc-copy-dns" data-val="${esc(r.value)}">Copy</button></td>
                    </tr>`;
                });
                html += '</tbody></table>';
                if (!d.dkim_txt) {
                    html += `<p class="description" style="color:orange">⚠ DKIM key not yet generated for this domain. Add the domain first, then view DNS records again.</p>`;
                }
                $('#wc-dom-dns-content').html(html);
            });
        });

        $(document).on('click', '.wc-copy-dns', function () {
            const val = $(this).data('val');
            navigator.clipboard.writeText(val).then(() => {
                $(this).text('Copied!');
                setTimeout(() => $(this).text('Copy'), 1500);
            });
        });

        $('#wc-dom-dns-close').on('click', () => $('#wc-dom-dns-panel').hide());
    }

    // ── Transports Page ───────────────────────────────────────────────────────

    if ($('#wc-tr-server').length) {
        let trServerId = null;

        $('#wc-tr-server').on('change', function () {
            trServerId = $(this).val();
            $('#wc-tr-load').prop('disabled', !trServerId);
        });

        const loadTransports = () => {
            ajax('woocow_admin_relayhosts_list', { server_id: trServerId }).done(res => {
                if (!res.success) { notice($('#wc-tr-notices'), 'error', res.data); return; }
                const rows = res.data;
                if (!Array.isArray(rows) || !rows.length) {
                    $('#wc-tr-table-wrap').html('<p>No transports configured on this server.</p>');
                } else {
                    let html = `<table class="wp-list-table widefat fixed striped woocow-table">
                        <thead><tr><th>Hostname:Port</th><th>Username</th><th>Used by Domains</th><th>Active</th><th>Actions</th></tr></thead><tbody>`;
                    rows.forEach(r => {
                        html += `<tr>
                            <td><code>${esc(r.hostname)}</code></td>
                            <td>${esc(r.username)}</td>
                            <td>${esc(r.used_by_domains || '—')}</td>
                            <td>${r.active == 1 ? '✓' : '–'}</td>
                            <td><button class="button button-small woocow-icon-btn wc-tr-del" title="Delete" data-id="${r.id}" style="color:#a00">
                                <span class="dashicons dashicons-trash"></span>
                            </button></td>
                        </tr>`;
                    });
                    html += '</tbody></table>';
                    $('#wc-tr-table-wrap').html(html);
                }
                $('#wc-tr-add-btn').show();
            });
        };

        $('#wc-tr-load').on('click', loadTransports);
        $('#wc-tr-add-btn').on('click', () => { $('#wc-tr-hostname,#wc-tr-user,#wc-tr-pass').val(''); $('#wc-tr-form').slideDown(); });
        $('#wc-tr-cancel').on('click', () => $('#wc-tr-form').slideUp());

        $('#wc-tr-save').on('click', () => {
            const $note = $('#wc-tr-form-notice').text('Saving…');
            ajax('woocow_admin_relayhost_save', {
                server_id: trServerId,
                hostname:  $('#wc-tr-hostname').val().trim(),
                username:  $('#wc-tr-user').val().trim(),
                password:  $('#wc-tr-pass').val(),
                active:    $('#wc-tr-active').is(':checked') ? 1 : 0,
            }).done(res => {
                if (res.success) { $note.html('<span style="color:green">✓ Transport added.</span>'); $('#wc-tr-form').slideUp(); loadTransports(); }
                else $note.html(`<span style="color:red">${esc(res.data)}</span>`);
            });
        });

        $(document).on('click', '.wc-tr-del', function () {
            if (!confirm('Delete this transport?')) return;
            ajax('woocow_admin_relayhost_delete', { server_id: trServerId, id: $(this).data('id') }).done(res => {
                if (res.success) loadTransports();
                else notice($('#wc-tr-notices'), 'error', res.data);
            });
        });
    }

    // ── Logs Page ─────────────────────────────────────────────────────────────

    if ($('#wc-log-server').length) {
        $('#wc-log-server').on('change', function () {
            $('#wc-log-load').prop('disabled', !$(this).val());
        });

        // ── Rspamd history renderer ───────────────────────────────────────────

        const rspamdActionBadge = (action) => {
            const map = {
                'no action':       ['woocow-badge-green',  'No Action'],
                'add header':      ['woocow-badge-blue',   'Add Header'],
                'rewrite subject': ['woocow-badge-orange', 'Rewrite Subject'],
                'greylist':        ['woocow-badge-orange', 'Greylist'],
                'soft reject':     ['woocow-badge-orange', 'Soft Reject'],
                'reject':          ['woocow-badge-red',    'Reject'],
            };
            const [cls, label] = map[(action || '').toLowerCase()] || ['woocow-badge-grey', esc(action || '—')];
            return `<span class="woocow-badge ${cls}">${label}</span>`;
        };

        const rspamdScoreClass = (score, req) => {
            const pct = (score || 0) / (req || 25);
            if (pct < 0.3) return 'woocow-score-clean';
            if (pct < 0.7) return 'woocow-score-low';
            return 'woocow-score-high';
        };

        const rspamdDetail = (m) => {
            let html = '<div class="woocow-rspamd-symbols">';

            // Meta grid
            const size = m.size ? ((m.size / 1024).toFixed(1) + ' KB') : '—';
            const proc = m.time_real ? (m.time_real.toFixed(3) + 's') : '—';
            html += `<div class="woocow-rspamd-meta">
                <div class="woocow-rspamd-meta-item"><label>Sender SMTP</label>${esc(m.sender_smtp || '—')}</div>
                <div class="woocow-rspamd-meta-item"><label>Sender MIME</label>${esc(m.sender_mime || '—')}</div>
                <div class="woocow-rspamd-meta-item"><label>IP</label>${esc(m.ip || '—')}</div>
                <div class="woocow-rspamd-meta-item"><label>Size</label>${size}</div>
                <div class="woocow-rspamd-meta-item"><label>Process Time</label>${proc}</div>
                <div class="woocow-rspamd-meta-item"><label>Message-ID</label><span style="word-break:break-all">${esc(m['message-id'] || '—')}</span></div>
            </div>`;

            // Thresholds
            if (m.thresholds) {
                const parts = Object.entries(m.thresholds)
                    .sort((a, b) => a[1] - b[1])
                    .map(([k, v]) => `<strong>${esc(k)}:</strong> ${v}`)
                    .join('&ensp;·&ensp;');
                html += `<p class="woocow-rspamd-thresholds">Thresholds: ${parts}</p>`;
            }

            // Symbols table
            if (m.symbols) {
                const syms = Object.values(m.symbols);
                const triggered = syms.filter(s => (s.metric_score || 0) !== 0)
                    .sort((a, b) => Math.abs(b.metric_score) - Math.abs(a.metric_score));
                const info = syms.filter(s => (s.metric_score || 0) === 0)
                    .sort((a, b) => (a.name || '').localeCompare(b.name || ''));

                html += `<table class="woocow-rspamd-sym-table">
                    <thead><tr>
                        <th style="width:24px"></th>
                        <th style="width:30%">Symbol</th>
                        <th style="width:64px">Score</th>
                        <th>Description</th>
                        <th>Options</th>
                    </tr></thead><tbody>`;

                [...triggered, ...info].forEach(s => {
                    const ms   = s.metric_score || 0;
                    const icon = ms > 0
                        ? '<span class="dashicons dashicons-warning" style="font-size:14px;color:#c0392b"></span>'
                        : ms < 0
                        ? '<span class="dashicons dashicons-yes-alt" style="font-size:14px;color:#27ae60"></span>'
                        : '<span class="dashicons dashicons-minus" style="font-size:14px;color:#bbb"></span>';
                    const cls  = ms > 0 ? 'woocow-sym-score-pos' : ms < 0 ? 'woocow-sym-score-neg' : 'woocow-sym-score-zero';
                    const sign = ms > 0 ? '+' : '';
                    const opts = (s.options || []).join(', ');
                    const zero = ms === 0 ? ' sym-zero' : '';
                    html += `<tr class="${zero}">
                        <td>${icon}</td>
                        <td class="woocow-sym-name"><code>${esc(s.name)}</code></td>
                        <td><span class="${cls}">${sign}${ms.toFixed(3)}</span></td>
                        <td>${esc(s.description || '')}</td>
                        <td style="color:#888">${esc(opts)}</td>
                    </tr>`;
                });
                html += '</tbody></table>';
            }
            html += '</div>';
            return html;
        };

        const renderRspamdLog = (entries) => {
            let html = `<div class="woocow-log-toolbar">
                <strong>Rspamd History</strong>
                <span style="color:#666;font-size:12px">${entries.length} messages (click row for details)</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-rspamd-table woocow-table">
                <thead><tr>
                    <th style="width:130px">Time</th>
                    <th>From</th>
                    <th>To</th>
                    <th>Subject</th>
                    <th style="width:90px">Score</th>
                    <th style="width:110px">Action</th>
                    <th style="width:34px"></th>
                </tr></thead><tbody>`;

            entries.forEach((m, i) => {
                const dt   = m.unix_time ? new Date(m.unix_time * 1000).toLocaleString() : '—';
                const from = m.sender_mime || m.sender_smtp || '—';
                const to   = (m.rcpt_mime || m.rcpt_smtp || []).join(', ') || '—';
                const subj = m.subject || '—';
                const req  = m.required_score || 25;
                const scr  = (m.score || 0).toFixed(2);
                const cls  = rspamdScoreClass(m.score, req);
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    <td style="font-size:11px">${esc(from)}</td>
                    <td style="font-size:11px">${esc(to)}</td>
                    <td style="font-size:12px">${esc(subj)}</td>
                    <td><span class="woocow-score ${cls}">${scr}<span style="opacity:.6;font-weight:400">/${req}</span></span></td>
                    <td>${rspamdActionBadge(m.action)}</td>
                    <td><button class="button button-small woocow-icon-btn wc-rspamd-toggle" data-idx="${i}" title="Details">
                        <span class="dashicons dashicons-arrow-down-alt2"></span>
                    </button></td>
                </tr>
                <tr class="woocow-rspamd-detail" id="woocow-rspamd-${i}" style="display:none">
                    <td colspan="7">${rspamdDetail(m)}</td>
                </tr>`;
            });
            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        $(document).on('click', '.wc-rspamd-toggle', function () {
            const i    = $(this).data('idx');
            const $det = $(`#woocow-rspamd-${i}`);
            const $ico = $(this).find('.dashicons');
            if ($det.is(':visible')) {
                $det.hide();
                $ico.removeClass('dashicons-arrow-up-alt2').addClass('dashicons-arrow-down-alt2');
            } else {
                $det.show();
                $ico.removeClass('dashicons-arrow-down-alt2').addClass('dashicons-arrow-up-alt2');
            }
        });

        // ── Ratelimited log renderer ──────────────────────────────────────────

        const renderRatelimitLog = (entries) => {
            let html = `<div class="woocow-log-toolbar">
                <strong>Rate-Limited Messages</strong>
                <span style="color:#666;font-size:12px">${entries.length} entries</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-table">
                <thead><tr>
                    <th style="width:130px">Time</th>
                    <th>Sender</th>
                    <th>Recipient</th>
                    <th>Subject</th>
                    <th style="width:110px">IP</th>
                    <th style="width:120px">Rate Limit Rule</th>
                    <th style="width:110px">Queue ID</th>
                </tr></thead><tbody>`;

            entries.forEach(e => {
                const dt      = e.time ? new Date(e.time * 1000).toLocaleString() : '—';
                const sender  = e.header_from || e.from || '—';
                const subject = e.header_subject || '—';
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    <td style="font-size:11px">${esc(sender)}</td>
                    <td style="font-size:11px">${esc(e.rcpt || '—')}</td>
                    <td style="font-size:12px">${esc(subject)}</td>
                    <td><code style="font-size:11px">${esc(e.ip || '—')}</code></td>
                    <td>
                        <span class="woocow-badge woocow-badge-orange" title="${esc(e.rl_info || '')}">${esc(e.rl_name || '—')}</span>
                    </td>
                    <td><code style="font-size:11px">${esc(e.qid || '—')}</code></td>
                </tr>`;
            });

            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        // ── Syslog-style renderer (postfix, dovecot, sogo, netfilter, acme) ──

        const priorityBadge = (priority) => {
            const p = (priority || 'info').toLowerCase();
            const styles = {
                debug:    'background:#f0f0f0;color:#888',
                info:     'background:#e9ecef;color:#495057',
                notice:   'background:#cce5ff;color:#004085',
                warn:     'background:#fff3cd;color:#856404',
                warning:  'background:#fff3cd;color:#856404',
                err:      'background:#f8d7da;color:#721c24',
                error:    'background:#f8d7da;color:#721c24',
                crit:     'background:#721c24;color:#fff',
                critical: 'background:#721c24;color:#fff',
                alert:    'background:#721c24;color:#fff',
                emerg:    'background:#1a1a1a;color:#fff',
            };
            const style = styles[p] || 'background:#e9ecef;color:#495057';
            const label = p.charAt(0).toUpperCase() + p.slice(1);
            return `<span class="woocow-badge" style="${style}">${label}</span>`;
        };

        const renderSyslogTable = (entries, label) => {
            const hasProgram  = entries.some(e => e.program);
            const hasPriority = entries.some(e => e.priority);
            let html = `<div class="woocow-log-toolbar">
                <strong>${esc(label)}</strong>
                <span style="color:#666;font-size:12px">${entries.length} entries</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-table">
                <thead><tr>
                    <th style="width:140px">Time</th>
                    ${hasPriority ? '<th style="width:80px">Priority</th>' : ''}
                    ${hasProgram  ? '<th style="width:150px">Process</th>' : ''}
                    <th>Message</th>
                </tr></thead><tbody>`;
            entries.forEach(e => {
                const dt = e.time ? new Date(parseInt(e.time) * 1000).toLocaleString() : '—';
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    ${hasPriority ? `<td>${priorityBadge(e.priority)}</td>` : ''}
                    ${hasProgram  ? `<td><code style="font-size:11px">${esc(e.program || '—')}</code></td>` : ''}
                    <td style="font-size:12px;word-break:break-word">${esc(e.message || '—')}</td>
                </tr>`;
            });
            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        // ── API access log renderer ───────────────────────────────────────────

        const renderApiLog = (entries) => {
            const methodBadge = (method) => {
                const colors = { GET:'#27ae60', POST:'#2271b1', PUT:'#e67e22', DELETE:'#c0392b', PATCH:'#8e44ad' };
                const bg = colors[(method || '').toUpperCase()] || '#555';
                return `<span style="display:inline-block;padding:1px 7px;border-radius:3px;background:${bg};color:#fff;font-size:11px;font-weight:700;font-family:monospace">${esc(method || '?')}</span>`;
            };
            let html = `<div class="woocow-log-toolbar">
                <strong>API Access Log</strong>
                <span style="color:#666;font-size:12px">${entries.length} requests</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-table">
                <thead><tr>
                    <th style="width:140px">Time</th>
                    <th style="width:72px">Method</th>
                    <th>Endpoint</th>
                    <th style="width:110px">Remote IP</th>
                    <th style="width:160px">Data</th>
                </tr></thead><tbody>`;
            entries.forEach(e => {
                const dt = e.time ? new Date(e.time * 1000).toLocaleString() : '—';
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    <td>${methodBadge(e.method)}</td>
                    <td><code style="font-size:11px">${esc(e.uri || '—')}</code></td>
                    <td><code style="font-size:11px">${esc(e.remote || '—')}</code></td>
                    <td style="font-size:11px;color:#888;word-break:break-all">${esc(e.data || '—')}</td>
                </tr>`;
            });
            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        // ── Autodiscover log renderer ─────────────────────────────────────────

        const renderAutodiscoverLog = (entries) => {
            const svcBadge = (svc) => {
                const map = {
                    activesync: ['woocow-badge-blue',   'ActiveSync'],
                    caldav:     ['woocow-badge-green',  'CalDAV'],
                    carddav:    ['woocow-badge-green',  'CardDAV'],
                    imap:       ['woocow-badge-grey',   'IMAP'],
                    smtp:       ['woocow-badge-grey',   'SMTP'],
                };
                const [cls, label] = map[(svc || '').toLowerCase()] || ['woocow-badge-grey', esc(svc || '—')];
                return `<span class="woocow-badge ${cls}">${label}</span>`;
            };
            let html = `<div class="woocow-log-toolbar">
                <strong>Autodiscover Log</strong>
                <span style="color:#666;font-size:12px">${entries.length} requests</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-table">
                <thead><tr>
                    <th style="width:140px">Time</th>
                    <th>User</th>
                    <th style="width:120px">Service</th>
                    <th>User Agent</th>
                </tr></thead><tbody>`;
            entries.forEach(e => {
                const dt = e.time ? new Date(e.time * 1000).toLocaleString() : '—';
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    <td style="font-size:12px">${esc(e.user || '—')}</td>
                    <td>${svcBadge(e.service)}</td>
                    <td style="font-size:11px;color:#666">${esc(e.ua || '—')}</td>
                </tr>`;
            });
            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        // ── Watchdog log renderer ─────────────────────────────────────────────

        const renderWatchdogLog = (entries) => {
            const healthBadge = (lvl) => {
                const n = parseInt(lvl) || 0;
                if (n >= 100) return '<span class="woocow-badge woocow-badge-green">Healthy</span>';
                if (n >= 50)  return '<span class="woocow-badge woocow-badge-orange">Degraded</span>';
                return '<span class="woocow-badge woocow-badge-red">Critical</span>';
            };
            let html = `<div class="woocow-log-toolbar">
                <strong>Watchdog Log</strong>
                <span style="color:#666;font-size:12px">${entries.length} entries</span>
            </div>
            <table class="wp-list-table widefat fixed striped woocow-table">
                <thead><tr>
                    <th style="width:140px">Time</th>
                    <th style="width:140px">Service</th>
                    <th style="width:90px">Status</th>
                    <th style="width:100px">Processes</th>
                    <th style="width:70px">Change</th>
                </tr></thead><tbody>`;
            entries.forEach(e => {
                const dt   = e.time ? new Date(parseInt(e.time) * 1000).toLocaleString() : '—';
                const diff = parseInt(e.hpdiff) || 0;
                const diffHtml = diff > 0
                    ? `<span style="color:#27ae60;font-weight:700">+${diff}</span>`
                    : diff < 0
                    ? `<span style="color:#c0392b;font-weight:700">${diff}</span>`
                    : `<span style="color:#bbb">±0</span>`;
                html += `<tr>
                    <td style="font-size:11px;white-space:nowrap">${esc(dt)}</td>
                    <td><strong>${esc(e.service || '—')}</strong></td>
                    <td>${healthBadge(e.lvl)}</td>
                    <td style="font-family:monospace">${esc(e.hpnow || '0')}/${esc(e.hptotal || '0')}</td>
                    <td>${diffHtml}</td>
                </tr>`;
            });
            html += '</tbody></table>';
            $('#wc-log-wrap').html(html);
        };

        // ── Log load ──────────────────────────────────────────────────────────

        $('#wc-log-load').on('click', () => {
            const sid  = $('#wc-log-server').val();
            const type = $('#wc-log-type').val();
            $('#wc-log-wrap').html('<p>Loading…</p>');

            ajax('woocow_admin_logs', { server_id: sid, log_type: type }).done(res => {
                if (!res.success) {
                    $('#wc-log-wrap').html(`<p style="color:red">${esc(res.data)}</p>`);
                    return;
                }
                const entries = Array.isArray(res.data) ? res.data : Object.values(res.data);
                if (!entries.length) {
                    $('#wc-log-wrap').html('<p>No log entries.</p>');
                    return;
                }
                const typeLabel = $('#wc-log-type option:selected').text();
                if (type === 'rspamd-history') { renderRspamdLog(entries); return; }
                if (type === 'ratelimited')    { renderRatelimitLog(entries); return; }
                if (type === 'api')            { renderApiLog(entries); return; }
                if (type === 'autodiscover')   { renderAutodiscoverLog(entries); return; }
                if (type === 'watchdog')       { renderWatchdogLog(entries); return; }
                // postfix, dovecot, sogo, netfilter, acme → syslog table
                renderSyslogTable(entries, typeLabel + ' Log');
            });
        });
    }

    // ── Admin Quarantine Page ─────────────────────────────────────────────────

    if ($('#wc-quar-server').length) {
        let quarServerId = null;

        $('#wc-quar-server').on('change', function () {
            quarServerId = $(this).val();
            $('#wc-quar-load').prop('disabled', !quarServerId);
        });

        const loadQuarantine = () => {
            $('#wc-quar-wrap').html('<p>Loading…</p>');
            ajax('woocow_admin_quarantine', { server_id: quarServerId }).done(res => {
                if (!res.success) {
                    $('#wc-quar-wrap').html(`<div class="notice notice-error"><p>${esc(res.data)}</p></div>`);
                    return;
                }
                const msgs = Array.isArray(res.data) ? res.data : [];
                if (!msgs.length) {
                    $('#wc-quar-wrap').html('<p>No quarantined messages.</p>');
                    return;
                }
                let html = `<table class="wp-list-table widefat fixed striped woocow-quarantine-table">
                    <thead><tr>
                        <th>Date</th><th>Sender</th><th>Recipient</th><th>Subject</th><th>Score</th><th>Actions</th>
                    </tr></thead><tbody>`;
                msgs.forEach(m => {
                    const date   = m.created ? new Date(m.created * 1000).toLocaleString() : '—';
                    const domain = (m.rcpt || '').split('@')[1] || '';
                    html += `<tr>
                        <td>${esc(date)}</td>
                        <td><code>${esc(m.sender)}</code></td>
                        <td>${esc(m.rcpt)}</td>
                        <td>${esc(m.subject)}</td>
                        <td>${esc(m.score)}</td>
                        <td class="woocow-actions">
                            <button class="button button-small woocow-icon-btn wc-quar-del"
                                title="Delete" data-qid="${m.id}" style="color:#a00">
                                <span class="dashicons dashicons-trash"></span>
                            </button>
                            <button class="button button-small woocow-icon-btn wc-quar-block"
                                title="Blacklist sender" data-sender="${esc(m.sender)}" data-domain="${esc(domain)}">
                                <span class="dashicons dashicons-shield-alt"></span>
                            </button>
                        </td>
                    </tr>`;
                });
                html += '</tbody></table>';
                html += `<p class="description">${msgs.length} quarantined message(s). <em>Note: To release a message to inbox, use the link in the quarantine notification email or Webmail.</em></p>`;
                $('#wc-quar-wrap').html(html);
            });
        };

        $('#wc-quar-load').on('click', loadQuarantine);

        $(document).on('click', '.wc-quar-del', function () {
            if (!confirm('Permanently delete this quarantined message?')) return;
            const qid = $(this).data('qid');
            ajax('woocow_admin_quarantine_delete', { server_id: quarServerId, qid }).done(res => {
                if (res.success) loadQuarantine();
                else notice($('#wc-quar-notices'), 'error', res.data);
            });
        });

        $(document).on('click', '.wc-quar-block', function () {
            const sender = $(this).data('sender');
            const domain = $(this).data('domain');
            if (!domain) { notice($('#wc-quar-notices'), 'error', 'Could not determine recipient domain.'); return; }
            if (!confirm(`Add ${sender} to the blacklist for domain ${domain}?`)) return;
            ajax('woocow_admin_quarantine_block', {
                server_id:   quarServerId,
                domain,
                object_from: sender,
            }).done(res => {
                if (res.success) notice($('#wc-quar-notices'), 'success', `Sender <strong>${esc(sender)}</strong> blacklisted for <strong>${esc(domain)}</strong>.`);
                else notice($('#wc-quar-notices'), 'error', res.data);
            });
        });
    }

})(jQuery);