/* WooDoo Admin JS */
jQuery( function ( $ ) {

    const cfg     = window.WooDooAdmin || {};
    const i18n    = cfg.i18n || {};
    const ajaxUrl = cfg.ajax_url;
    const nonce   = cfg.nonce;

    // ── Tab navigation ──────────────────────────────────────────────────
    $( '.woodoo-settings .nav-tab' ).on( 'click', function ( e ) {
        e.preventDefault();
        const target = $( this ).attr( 'href' );
        $( '.woodoo-settings .nav-tab' ).removeClass( 'nav-tab-active' );
        $( this ).addClass( 'nav-tab-active' );
        $( '.woodoo-tab' ).hide();
        $( target ).show();
    } );

    // ── Test Connection ──────────────────────────────────────────────────
    $( '#woodoo-test-connection' ).on( 'click', function () {
        const $btn    = $( this );
        const $result = $( '#woodoo-test-result' );

        $btn.prop( 'disabled', true ).text( i18n.testing );
        $result.html( '' );

        ajax( 'woodoo_test_connection', {} )
            .done( function ( res ) {
                if ( res.success ) {
                    const d   = res.data;
                    const cls = d.success ? 'green' : 'red';
                    $result.html( badge( cls, d.message ) );
                } else {
                    $result.html( badge( 'red', res.data || i18n.error ) );
                }
            } )
            .fail( function () { $result.html( badge( 'red', i18n.error ) ); } )
            .always( function () {
                $btn.prop( 'disabled', false ).text( 'Test Connection' );
            } );
    } );

    // ══════════════════════════════════════════════════════════════════════
    // CUSTOMER LINKING TAB
    // ══════════════════════════════════════════════════════════════════════

    let selectedWcUser = null;   // { id, display_name, email }

    // ── Step 1: search WooCommerce customers ─────────────────────────────
    function searchWcCustomers() {
        const q = $( '#woo-customer-search' ).val().trim();
        if ( q.length < 2 ) return;

        const $results = $( '#woo-customer-results' );
        $results.html( '<em>' + esc( i18n.searching ) + '</em>' );
        $( '#woodoo-odoo-col' ).hide();
        selectedWcUser = null;

        ajax( 'woodoo_search_wc_customers', { query: q } )
            .done( function ( res ) {
                if ( ! res.success || ! res.data.length ) {
                    $results.html( '<p class="woodoo-no-results">' + esc( i18n.no_wc_customers ) + '</p>' );
                    return;
                }

                let html = '<table class="woodoo-link-table widefat"><thead><tr>' +
                    '<th>Name</th><th>WC Email</th><th>Odoo Partner</th><th></th>' +
                    '</tr></thead><tbody>';

                res.data.forEach( function ( u ) {
                    const linked = u.partner_id
                        ? '<span class="woodoo-badge woodoo-badge--green">' + esc( u.partner_name || '#' + u.partner_id ) + '</span>'
                        : '<span class="woodoo-badge woodoo-badge--grey">' + esc( i18n.not_linked ) + '</span>';

                    html +=
                        '<tr data-user-id="' + u.id + '">' +
                        '<td><a href="' + u.edit_url + '" target="_blank">' + esc( u.display_name ) + '</a></td>' +
                        '<td>' + esc( u.email ) + '</td>' +
                        '<td class="woodoo-partner-status">' + linked + '</td>' +
                        '<td class="woodoo-link-actions">' +
                            '<button type="button" class="button button-small woodoo-select-wc-user"' +
                            ' data-id="' + u.id + '"' +
                            ' data-name="' + escAttr( u.display_name ) + '"' +
                            ' data-email="' + escAttr( u.email ) + '">' +
                            'Link Odoo Partner</button>';

                    if ( u.partner_id ) {
                        html += ' <button type="button" class="button button-small woodoo-unlink-user"' +
                            ' data-id="' + u.id + '" style="color:#dc2626;">Unlink</button>';
                    }

                    html += '</td></tr>';
                } );

                html += '</tbody></table>';
                $results.html( html );
            } )
            .fail( function () { $results.html( '<p>' + esc( i18n.error ) + '</p>' ); } );
    }

    $( '#woo-customer-search-btn' ).on( 'click', searchWcCustomers );
    $( '#woo-customer-search' ).on( 'keypress', function ( e ) {
        if ( e.which === 13 ) { e.preventDefault(); searchWcCustomers(); }
    } );

    // ── Select a WC customer → open Odoo partner search panel ───────────
    $( document ).on( 'click', '.woodoo-select-wc-user', function () {
        const $btn = $( this );
        selectedWcUser = {
            id    : $btn.data( 'id' ),
            name  : $btn.data( 'name' ),
            email : $btn.data( 'email' ),
        };

        // Highlight selected row
        $( '#woo-customer-results tr' ).css( 'background', '' );
        $btn.closest( 'tr' ).css( 'background', '#eff6ff' );

        // Show step 2 panel
        $( '#woodoo-linking-for' ).html(
            'Linking: <strong>' + esc( selectedWcUser.name ) +
            '</strong> (' + esc( selectedWcUser.email ) + ')'
        );
        $( '#woodoo-odoo-col' ).show();
        $( '#woodoo-odoo-partner-search' ).val( '' ).focus();
        $( '#woodoo-odoo-partner-results' ).html( '' );
    } );

    // ── Step 2: search Odoo partners ─────────────────────────────────────
    function searchOdooPartners() {
        if ( ! selectedWcUser ) return;

        const q = $( '#woodoo-odoo-partner-search' ).val().trim();
        if ( q.length < 2 ) return;

        const $results = $( '#woodoo-odoo-partner-results' );
        $results.html( '<em>' + esc( i18n.searching ) + '</em>' );

        ajax( 'woodoo_search_partners', { query: q } )
            .done( function ( res ) {
                if ( ! res.success || ! res.data.length ) {
                    $results.html( '<p class="woodoo-no-results">' + esc( i18n.no_odoo_partners ) + '</p>' );
                    return;
                }

                let html = '<table class="woodoo-link-table widefat"><thead><tr>' +
                    '<th>Name</th><th>Odoo Email</th><th>Type</th><th></th>' +
                    '</tr></thead><tbody>';

                res.data.forEach( function ( p ) {
                    html +=
                        '<tr>' +
                        '<td><strong>' + esc( p.name ) + '</strong></td>' +
                        '<td>' + esc( p.email || '—' ) + '</td>' +
                        '<td>' + ( p.is_company ? 'Company' : 'Individual' ) + '</td>' +
                        '<td><button type="button" class="button button-primary button-small woodoo-confirm-link"' +
                        ' data-partner-id="' + p.id + '"' +
                        ' data-partner-name="' + escAttr( p.name ) + '">' +
                        'Link</button></td>' +
                        '</tr>';
                } );

                html += '</tbody></table>';
                $results.html( html );
            } )
            .fail( function () { $results.html( '<p>' + esc( i18n.error ) + '</p>' ); } );
    }

    $( '#woodoo-odoo-partner-search-btn' ).on( 'click', searchOdooPartners );
    $( '#woodoo-odoo-partner-search' ).on( 'keypress', function ( e ) {
        if ( e.which === 13 ) { e.preventDefault(); searchOdooPartners(); }
    } );

    // ── Confirm link: save WC user ↔ Odoo partner ────────────────────────
    $( document ).on( 'click', '.woodoo-confirm-link', function () {
        if ( ! selectedWcUser ) return;

        const $btn       = $( this );
        const partnerId  = $btn.data( 'partner-id' );
        const partnerName = $btn.data( 'partner-name' );

        $btn.prop( 'disabled', true ).text( 'Saving…' );

        ajax( 'woodoo_link_customer', {
            user_id    : selectedWcUser.id,
            partner_id : partnerId,
        } )
        .done( function ( res ) {
            if ( res.success ) {
                // Update the partner status cell in the WC customers table
                const $row = $( '#woo-customer-results tr[data-user-id="' + selectedWcUser.id + '"]' );
                $row.find( '.woodoo-partner-status' ).html(
                    badge( 'green', partnerName )
                );
                $row.find( '.woodoo-link-actions' ).html(
                    '<button type="button" class="button button-small woodoo-select-wc-user"' +
                    ' data-id="' + selectedWcUser.id + '"' +
                    ' data-name="' + escAttr( selectedWcUser.name ) + '"' +
                    ' data-email="' + escAttr( selectedWcUser.email ) + '">' +
                    'Change Link</button>' +
                    ' <button type="button" class="button button-small woodoo-unlink-user"' +
                    ' data-id="' + selectedWcUser.id + '" style="color:#dc2626;">Unlink</button>'
                );
                $row.css( 'background', '#ecfdf5' );

                // Success feedback in step 2
                $( '#woodoo-odoo-partner-results' ).prepend(
                    '<p style="color:#065f46;font-weight:600;">✓ ' +
                    esc( i18n.link_done ) + ': ' + esc( selectedWcUser.name ) +
                    ' → ' + esc( partnerName ) + '</p>'
                );
                $btn.text( 'Linked!' );
            } else {
                $btn.prop( 'disabled', false ).text( 'Link' );
                alert( res.data || i18n.error );
            }
        } )
        .fail( function () {
            $btn.prop( 'disabled', false ).text( 'Link' );
            alert( i18n.error );
        } );
    } );

    // ── Unlink ────────────────────────────────────────────────────────────
    $( document ).on( 'click', '.woodoo-unlink-user', function () {
        if ( ! confirm( i18n.unlink_confirm ) ) return;

        const $btn   = $( this );
        const userId = $btn.data( 'id' );
        $btn.prop( 'disabled', true );

        ajax( 'woodoo_unlink_customer', { user_id: userId } )
            .done( function ( res ) {
                if ( res.success ) {
                    const $row = $( '#woo-customer-results tr[data-user-id="' + userId + '"]' );
                    $row.find( '.woodoo-partner-status' ).html( badge( 'grey', i18n.not_linked ) );
                    $row.find( '.woodoo-link-actions button.woodoo-unlink-user' ).remove();
                    $row.css( 'background', '' );
                    if ( selectedWcUser && selectedWcUser.id == userId ) {
                        $( '#woodoo-odoo-col' ).hide();
                        selectedWcUser = null;
                    }
                } else {
                    $btn.prop( 'disabled', false );
                    alert( res.data || i18n.error );
                }
            } )
            .fail( function () { $btn.prop( 'disabled', false ); } );
    } );

    // ══════════════════════════════════════════════════════════════════════
    // USER PROFILE PAGE – partner search
    // ══════════════════════════════════════════════════════════════════════

    $( '#woodoo-partner-search-btn' ).on( 'click', function () {
        const $input   = $( '#woodoo-partner-search-input' );
        const $results = $( '#woodoo-partner-search-results' );
        const q        = $input.val().trim();
        const userId   = $input.data( 'user-id' );

        if ( ! q ) return;

        $results.html( '<em>' + esc( i18n.searching ) + '</em>' );

        ajax( 'woodoo_search_partners', { query: q } )
            .done( function ( res ) {
                if ( ! res.success || ! res.data.length ) {
                    $results.html( '<em>' + esc( i18n.no_odoo_partners ) + '</em>' );
                    return;
                }

                let html = '<ul style="margin:0;padding:0;list-style:none;">';
                res.data.forEach( function ( p ) {
                    html +=
                        '<li style="padding:4px 0;border-bottom:1px solid #eee;">' +
                        '<strong>' + esc( p.name ) + '</strong>' +
                        ( p.email ? ' &lt;' + esc( p.email ) + '&gt;' : '' ) +
                        ' <button type="button" class="button button-small woodoo-pick-partner"' +
                        ' data-id="' + p.id + '"' +
                        ' data-name="' + escAttr( p.name ) + '"' +
                        ' data-user-id="' + userId + '">' +
                        'Select</button>' +
                        '</li>';
                } );
                html += '</ul>';
                $results.html( html );
            } )
            .fail( function () { $results.html( '<em>' + esc( i18n.error ) + '</em>' ); } );
    } );

    $( document ).on( 'click', '.woodoo-pick-partner', function () {
        const $btn      = $( this );
        const partnerId = $btn.data( 'id' );
        const name      = $btn.data( 'name' );
        const userId    = $btn.data( 'user-id' );

        $( '#woodoo_odoo_partner_id' ).val( partnerId );
        $( '#woodoo-partner-name-display' ).text( name ).show();
        $( '#woodoo-partner-search-results' ).html(
            '<span style="color:green;">' + esc( i18n.link_done ) +
            ' → ' + esc( name ) + ' (#' + partnerId + ')</span>'
        );

        if ( userId ) {
            ajax( 'woodoo_link_customer', { user_id: userId, partner_id: partnerId } );
        }
    } );

    // ── Utilities ─────────────────────────────────────────────────────────
    function ajax( action, data ) {
        return $.post( ajaxUrl, Object.assign( { action, nonce }, data ) );
    }

    function badge( color, text ) {
        return '<span class="woodoo-badge woodoo-badge--' + color + '">' + esc( text ) + '</span>';
    }

    function esc( str ) {
        return String( str )
            .replace( /&/g, '&amp;' )
            .replace( /</g, '&lt;'  )
            .replace( />/g, '&gt;'  )
            .replace( /"/g, '&quot;' );
    }

    function escAttr( str ) {
        return esc( str ).replace( /'/g, '&#039;' );
    }

} );