/**
 * WooCommerce Business Central - Admin JavaScript
 */

(function($) {
    'use strict';

    var WBC_Admin = {
        /**
         * Initialize
         */
        init: function() {
            this.bindEvents();
            this.checkInitialSyncStatus();
        },

        /**
         * If a background sync is already running (e.g. triggered by cron,
         * or the admin reloaded the page mid-sync), resume polling for it.
         */
        checkInitialSyncStatus: function() {
            var $btn = $('#wbc-manual-sync');
            var $status = $('#wbc-sync-status');

            if (!$btn.length) {
                return;
            }

            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_sync_status',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    if (response.success && response.data.status === 'running') {
                        $btn.prop('disabled', true);
                        $status.removeClass('success error').addClass('loading');
                        WBC_Admin.pollSyncStatus($btn, $status);
                    }
                }
            });
        },

        /**
         * Bind event handlers
         */
        bindEvents: function() {
            // Test connection
            $('#wbc-test-connection').on('click', this.testConnection);

            // Manual sync
            $('#wbc-manual-sync').on('click', this.manualSync);

            // Clear logs
            $('#wbc-clear-logs').on('click', this.clearLogs);

            // Load companies
            $('#wbc-load-companies').on('click', this.loadCompanies);

            // Select company
            $('#wbc-company-select').on('change', this.selectCompany);

            // Toggle log data
            $(document).on('click', '.wbc-toggle-data', this.toggleLogData);
        },

        /**
         * Test connection to Business Central
         */
        testConnection: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $status = $('#wbc-connection-status');

            $btn.prop('disabled', true);
            $status.removeClass('success error').addClass('loading').text(wbc_admin.strings.testing);

            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_test_connection',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    $btn.prop('disabled', false);
                    $status.removeClass('loading');

                    if (response.success) {
                        $status.addClass('success').text(response.data.message);
                    } else {
                        $status.addClass('error').text(response.data.message || 'Connection failed');
                    }
                },
                error: function(xhr, status, error) {
                    $btn.prop('disabled', false);
                    $status.removeClass('loading').addClass('error').text('Request failed: ' + error);
                }
            });
        },

        /**
         * Run manual sync
         *
         * The sync itself runs in the background (Action Scheduler batches),
         * so this just kicks it off and then polls for progress instead of
         * waiting on one long-lived request.
         */
        manualSync: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $status = $('#wbc-sync-status');

            $btn.prop('disabled', true);
            $status.removeClass('success error').addClass('loading').text(wbc_admin.strings.syncing);

            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_manual_sync',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    if (response.success) {
                        WBC_Admin.pollSyncStatus($btn, $status);
                    } else {
                        $btn.prop('disabled', false);
                        $status.removeClass('loading').addClass('error').text((response.data && response.data.message) || 'Sync failed');
                    }
                },
                error: function(xhr, status, error) {
                    $btn.prop('disabled', false);
                    $status.removeClass('loading').addClass('error').text('Request failed: ' + error);
                }
            });
        },

        /**
         * Poll background sync progress until it completes
         */
        pollSyncStatus: function($btn, $status) {
            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_sync_status',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    if (!response.success) {
                        $btn.prop('disabled', false);
                        $status.removeClass('loading').addClass('error').text((response.data && response.data.message) || 'Failed to get sync status');
                        return;
                    }

                    var run = response.data;

                    if (run.status === 'running') {
                        var progressText = (run.mode === 'category')
                            ? (run.pages_done || 0) + ' page(s), ' + (run.total || 0) + ' item(s) checked'
                            : (run.batches_done || 0) + ' / ' + (run.total_batches || 0) + ' batches';
                        $status.text('Syncing... ' + progressText + ' (success: ' + (run.success || 0) + ', failed: ' + (run.failed || 0) + ', skipped: ' + (run.skipped || 0) + ')');
                        setTimeout(function() {
                            WBC_Admin.pollSyncStatus($btn, $status);
                        }, 3000);
                    } else if (run.status === 'completed') {
                        $btn.prop('disabled', false);
                        $status.removeClass('loading').addClass('success').text('Sync completed. Success: ' + (run.success || 0) + ', Failed: ' + (run.failed || 0) + ', Skipped: ' + (run.skipped || 0));
                    } else {
                        $btn.prop('disabled', false);
                        $status.removeClass('loading');
                    }
                },
                error: function(xhr, status, error) {
                    $btn.prop('disabled', false);
                    $status.removeClass('loading').addClass('error').text('Request failed: ' + error);
                }
            });
        },

        /**
         * Clear all logs
         */
        clearLogs: function(e) {
            e.preventDefault();

            if (!confirm(wbc_admin.strings.confirm_clear)) {
                return;
            }

            var $btn = $(this);
            var originalText = $btn.text();

            $btn.prop('disabled', true).text(wbc_admin.strings.clearing);

            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_clear_logs',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    if (response.success) {
                        // Reload the page to show empty logs
                        location.reload();
                    } else {
                        alert(response.data.message || 'Failed to clear logs');
                        $btn.prop('disabled', false).text(originalText);
                    }
                },
                error: function(xhr, status, error) {
                    alert('Request failed: ' + error);
                    $btn.prop('disabled', false).text(originalText);
                }
            });
        },

        /**
         * Load companies from Business Central
         */
        loadCompanies: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $select = $('#wbc-company-select');
            var $list = $('#wbc-companies-list');
            var originalText = $btn.text();

            $btn.prop('disabled', true).text(wbc_admin.strings.loading);

            $.ajax({
                url: wbc_admin.ajax_url,
                type: 'POST',
                data: {
                    action: 'wbc_get_companies',
                    nonce: wbc_admin.nonce
                },
                success: function(response) {
                    $btn.prop('disabled', false).text(originalText);

                    if (response.success && response.data.companies) {
                        // Clear existing options except the first one
                        $select.find('option:not(:first)').remove();

                        // Add companies
                        $.each(response.data.companies, function(i, company) {
                            $select.append(
                                $('<option>', {
                                    value: company.id,
                                    text: company.displayName + ' (' + company.id.substring(0, 8) + '...)'
                                })
                            );
                        });

                        // Show the select
                        $list.slideDown();

                        // Pre-select current company if set
                        var currentCompany = $('#wbc_company_id').val();
                        if (currentCompany) {
                            $select.val(currentCompany);
                        }
                    } else {
                        alert(response.data.message || 'Failed to load companies. Make sure credentials are saved and correct.');
                    }
                },
                error: function(xhr, status, error) {
                    $btn.prop('disabled', false).text(originalText);
                    alert('Request failed: ' + error);
                }
            });
        },

        /**
         * Select company from dropdown
         */
        selectCompany: function() {
            var companyId = $(this).val();
            if (companyId) {
                $('#wbc_company_id').val(companyId);
            }
        },

        /**
         * Toggle log data visibility
         */
        toggleLogData: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $data = $btn.siblings('.wbc-log-data');

            $data.slideToggle(200, function() {
                if ($data.is(':visible')) {
                    $btn.text($btn.data('hide-text') || 'Hide data');
                } else {
                    $btn.text($btn.data('show-text') || 'Show data');
                }
            });
        }
    };

    // Initialize on document ready
    $(document).ready(function() {
        WBC_Admin.init();
    });

})(jQuery);