(function ($) {
    'use strict';

    $(function () {
        // Bouton de test de connexion sur la page de configuration
        var $testBtn = $('#esi-peppol-test-connection');
        if ($testBtn.length && typeof window.esiPeppolAdmin !== 'undefined') {
            var $result = $('#esi-peppol-test-result');

            $testBtn.on('click', function (e) {
                e.preventDefault();

                var apiKey = $('#esi_peppol_api_key').val();
                var password = $('#esi_peppol_password').val();

                $result.removeClass().empty();

                if (!apiKey || !password) {
                    var msgMissing = window.esiPeppolAdmin.i18n_missing || "Veuillez renseigner l'API Key et le Password avant de tester la connexion.";
                    $result
                        .addClass('notice notice-error')
                        .html('<p>' + msgMissing + '</p>');
                    return;
                }

                $testBtn.prop('disabled', true).addClass('updating-message');

                $.post(window.esiPeppolAdmin.ajax_url, {
                    action: 'esi_peppol_test_connection',
                    nonce: window.esiPeppolAdmin.nonce,
                    api_key: apiKey,
                    password: password
                })
                    .done(function (response) {
                        if (response && response.success) {
                            var msg = (response.data && response.data.message)
                                ? response.data.message
                                : (window.esiPeppolAdmin.i18n_success || "Connexion réussie à l'API ESIPeppol.");

                            $result
                                .addClass('notice notice-success is-dismissible')
                                .html('<p>' + msg + '</p>');
                        } else {
                            var errMsg = (response && response.data && response.data.message)
                                ? response.data.message
                                : (window.esiPeppolAdmin.i18n_error || 'La connexion a échoué.');

                            $result
                                .addClass('notice notice-error')
                                .html('<p>' + errMsg + '</p>');
                        }
                    })
                    .fail(function () {
                        var msgNetwork = window.esiPeppolAdmin.i18n_network || 'Erreur de communication avec le serveur WordPress.';
                        $result
                            .addClass('notice notice-error')
                            .html('<p>' + msgNetwork + '</p>');
                    })
                    .always(function () {
                        $testBtn.prop('disabled', false).removeClass('updating-message');
                    });
            });
        }

        // DataTables pour le tableau du journal des échanges (invoices / documents envoyés)
        var $logsTable = $('#esi-peppol-logs-table');
        if ($logsTable.length && $.fn.DataTable) {
            $logsTable.DataTable({
                pageLength: 25,
                order: [[0, 'desc']],
                language: {
                    url: 'https://cdn.datatables.net/plug-ins/1.13.8/i18n/fr-FR.json'
                }
            });
        }

        // Actions AJAX sur la page de logs : renvoyer / vérifier le statut
        if ($logsTable.length && typeof window.esiPeppolAdmin !== 'undefined') {
            var $logsResult = $('#esi-peppol-logs-result');

            var showLogsNotice = function (type, title, message, detail) {
                var classes = 'notice';
                if (type === 'success') {
                    classes += ' notice-success is-dismissible';
                } else if (type === 'error') {
                    classes += ' notice-error';
                } else {
                    classes += ' notice-info';
                }

                var html = '<div class="' + classes + '">';

                if (title) {
                    html += '<p><strong>' + title + '</strong> ' + (message || '') + '</p>';
                } else if (message) {
                    html += '<p>' + message + '</p>';
                }

                if (detail) {
                    html += '<p><em>' + (window.esiPeppolAdmin.i18n_logs_detail_lbl || "Détail retour API") + ':</em> ' + detail + '</p>';
                }

                html += '</div>';

                $logsResult
                    .empty()
                    .append(html);
            };

            $logsTable.on('click', '.esi-peppol-log-resend', function (e) {
                e.preventDefault();

                var $btn = $(this);
                var orderId = $btn.data('order-id');

                if (!orderId) {
                    return;
                }

                $btn.prop('disabled', true).addClass('updating-message');

                $.post(window.esiPeppolAdmin.ajax_url, {
                    action: 'esi_peppol_resend_invoice',
                    nonce: window.esiPeppolAdmin.logs_nonce_resend,
                    order_id: orderId
                })
                    .done(function (response) {
                        var data = response && response.data ? response.data : {};
                        var ok = !!(response && response.success);
                        var title = ok
                            ? (window.esiPeppolAdmin.i18n_logs_ok_title || 'OK')
                            : (window.esiPeppolAdmin.i18n_logs_ko_title || 'Pas OK');

                        var message = data.message || (ok
                            ? (window.esiPeppolAdmin.i18n_logs_resend_ok || 'Document renvoyé avec succès.')
                            : (window.esiPeppolAdmin.i18n_logs_resend_ko || 'L\'envoi du document a échoué.'));

                        var detail = data.detail || '';

                        showLogsNotice(ok ? 'success' : 'error', title, message, detail);
                    })
                    .fail(function () {
                        showLogsNotice(
                            'error',
                            window.esiPeppolAdmin.i18n_logs_ko_title || 'Pas OK',
                            window.esiPeppolAdmin.i18n_network || 'Erreur de communication avec le serveur WordPress.',
                            ''
                        );
                    })
                    .always(function () {
                        $btn.prop('disabled', false).removeClass('updating-message');
                    });
            });

            $logsTable.on('click', '.esi-peppol-log-status', function (e) {
                e.preventDefault();

                var $btn = $(this);
                var orderId = $btn.data('order-id');

                if (!orderId) {
                    return;
                }

                $btn.prop('disabled', true).addClass('updating-message');

                $.post(window.esiPeppolAdmin.ajax_url, {
                    action: 'esi_peppol_check_invoice_status',
                    nonce: window.esiPeppolAdmin.logs_nonce_status,
                    order_id: orderId
                })
                    .done(function (response) {
                        var data = response && response.data ? response.data : {};
                        var ok = !!(response && response.success);

                        var title = ok
                            ? (window.esiPeppolAdmin.i18n_logs_ok_title || 'OK')
                            : (window.esiPeppolAdmin.i18n_logs_ko_title || 'Pas OK');

                        var message = data.message || (window.esiPeppolAdmin.i18n_logs_status_lbl || 'Statut actuel du document');
                        var detail = data.detail || '';

                        showLogsNotice(ok ? 'success' : 'error', title, message, detail);
                    })
                    .fail(function () {
                        showLogsNotice(
                            'error',
                            window.esiPeppolAdmin.i18n_logs_ko_title || 'Pas OK',
                            window.esiPeppolAdmin.i18n_network || 'Erreur de communication avec le serveur WordPress.',
                            ''
                        );
                    })
                    .always(function () {
                        $btn.prop('disabled', false).removeClass('updating-message');
                    });
            });
        }

        // Toggle affichage du mot de passe sur la page de configuration
        $('.esi-peppol-password-toggle').on('click', function () {
            var $btn = $(this);
            var targetSelector = $btn.data('target');
            var $input = $(targetSelector);

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

            var isPassword = $input.attr('type') === 'password';
            $input.attr('type', isPassword ? 'text' : 'password');

            // Texte du bouton
            $btn.text(isPassword ? 'Masquer' : 'Afficher');
        });

        // Gestion du logo email avec la médiathèque WordPress
        var $uploadLogoBtn = $('#esi-peppol-upload-logo');
        var $removeLogoBtn = $('#esi-peppol-remove-logo');
        var $logoPreview = $('#esi-peppol-logo-preview');
        var $logoIdInput = $('#esi_peppol_logo_email_id');

        if ($uploadLogoBtn.length && typeof wp !== 'undefined' && wp.media) {
            var mediaUploader;

            $uploadLogoBtn.on('click', function (e) {
                e.preventDefault();

                // Si le sélecteur existe déjà, on le réutilise
                if (mediaUploader) {
                    mediaUploader.open();
                    return;
                }

                // Créer le sélecteur de média
                mediaUploader = wp.media({
                    title: 'Choisir un logo',
                    button: {
                        text: 'Utiliser ce logo'
                    },
                    multiple: false,
                    library: {
                        type: 'image'
                    }
                });

                // Quand une image est sélectionnée
                mediaUploader.on('select', function () {
                    var attachment = mediaUploader.state().get('selection').first().toJSON();
                    
                    // Mettre à jour l'input hidden avec l'ID
                    $logoIdInput.val(attachment.id);
                    
                    // Afficher la preview
                    var imageUrl = attachment.sizes && attachment.sizes.medium 
                        ? attachment.sizes.medium.url 
                        : attachment.url;
                    
                    $logoPreview.html('<img src="' + imageUrl + '" alt="Logo email" />').show();
                    $removeLogoBtn.show();
                });

                // Ouvrir le sélecteur
                mediaUploader.open();
            });

            // Bouton pour supprimer le logo
            $removeLogoBtn.on('click', function (e) {
                e.preventDefault();
                $logoIdInput.val('');
                $logoPreview.empty().hide();
                $removeLogoBtn.hide();
            });
        }

        // Gestion de la modal de détails des logs
        var $modal = $('#esi-peppol-log-details-modal');
        var $modalOverlay = $modal.find('.esi-peppol-modal-overlay');
        var $modalClose = $modal.find('.esi-peppol-modal-close');
        var $modalContent = $modal.find('.esi-peppol-modal-content');
        var $modalLoading = $('#esi-peppol-log-details-loading');
        var $modalDetailsContent = $('#esi-peppol-log-details-content');

        // Fonction pour ouvrir la modal
        function openLogDetailsModal() {
            $modal.fadeIn(200);
            $('body').css('overflow', 'hidden');
        }

        // Fonction pour fermer la modal
        function closeLogDetailsModal() {
            $modal.fadeOut(200);
            $('body').css('overflow', '');
            $modalDetailsContent.hide().empty();
            $modalLoading.show();
        }

        // Fermer la modal en cliquant sur l'overlay ou le bouton de fermeture
        $modalOverlay.on('click', closeLogDetailsModal);
        $modalClose.on('click', closeLogDetailsModal);

        // Fermer la modal avec la touche Escape
        $(document).on('keydown', function (e) {
            if (e.key === 'Escape' && $modal.is(':visible')) {
                closeLogDetailsModal();
            }
        });

        // Empêcher la fermeture en cliquant sur le contenu de la modal
        $modalContent.on('click', function (e) {
            e.stopPropagation();
        });

        // Gestion du clic sur le bouton "Détail"
        if ($logsTable.length && typeof window.esiPeppolAdmin !== 'undefined') {
            $logsTable.on('click', '.esi-peppol-log-detail', function (e) {
                e.preventDefault();

                var $btn = $(this);
                var logId = $btn.data('log-id');

                if (!logId) {
                    return;
                }

                // Ouvrir la modal
                openLogDetailsModal();
                $modalLoading.show();
                $modalDetailsContent.hide().empty();

                // Charger les détails via AJAX
                $.post(window.esiPeppolAdmin.ajax_url, {
                    action: 'esi_peppol_get_log_details',
                    nonce: window.esiPeppolAdmin.logs_nonce_details,
                    log_id: logId
                })
                    .done(function (response) {
                        $modalLoading.hide();

                        if (response && response.success && response.data) {
                            var data = response.data;
                            var html = '';

                            // 1. Succès + message erreur
                            html += '<div class="esi-peppol-log-details-section">';
                            html += '<h3>Statut</h3>';
                            html += '<table class="widefat">';
                            html += '<tr><th style="width: 200px;">Succès</th><td>' + (data.success ? '<span style="color:green;font-weight:bold;">Oui</span>' : '<span style="color:red;font-weight:bold;">Non</span>') + '</td></tr>';
                            html += '<tr><th>Message</th><td>' + (data.message || '-') + '</td></tr>';
                            if (data.order_info && data.order_info.number) {
                                var orderLink = data.order_info.edit_link || '#';
                                html += '<tr><th>Commande</th><td><a href="' + orderLink + '" target="_blank">#' + data.order_info.number + '</a></td></tr>';
                            } else if (data.id_order) {
                                html += '<tr><th>Commande</th><td>#' + data.id_order + '</td></tr>';
                            }
                            html += '</table>';
                            html += '</div>';

                            // 2. Données client
                            if (data.customer_data || (data.order_info && (data.order_info.billing_name || data.order_info.billing_company))) {
                                html += '<div class="esi-peppol-log-details-section">';
                                html += '<h3>' + (window.esiPeppolAdmin.i18n_logs_customer_data || 'Données client') + '</h3>';
                                html += '<table class="widefat">';
                                
                                // Utiliser customer_data depuis le payload si disponible, sinon order_info
                                var customer = data.customer_data || {};
                                var orderInfo = data.order_info || {};
                                
                                var customerName = customer.name || orderInfo.billing_company || orderInfo.billing_name || '-';
                                var customerLegalName = customer.legal_name || customer.name || orderInfo.billing_company || orderInfo.billing_name || '-';
                                var customerVat = customer.vat_number || orderInfo.billing_vat_number || '-';
                                var customerEmail = (customer.contact && customer.contact.contact_email) || orderInfo.billing_email || '-';
                                var customerPhone = (customer.contact && customer.contact.contact_phone) || orderInfo.billing_phone || '-';
                                
                                var address = customer.address || {};
                                var addressLine1 = address.address_line_1 || orderInfo.billing_address_1 || '-';
                                var addressLine2 = address.address_line_2 || orderInfo.billing_address_2 || '';
                                var city = address.city || orderInfo.billing_city || '-';
                                var postalCode = address.postal_code || orderInfo.billing_postcode || '-';
                                var countryCode = address.country_code || orderInfo.billing_country || '-';
                                
                                html += '<tr><th style="width: 200px;">Nom / Raison sociale</th><td>' + customerName + '</td></tr>';
                                if (customerLegalName && customerLegalName !== customerName) {
                                    html += '<tr><th>Nom légal</th><td>' + customerLegalName + '</td></tr>';
                                }
                                html += '<tr><th>Numéro TVA</th><td>' + customerVat + '</td></tr>';
                                html += '<tr><th>Email</th><td>' + customerEmail + '</td></tr>';
                                if (customerPhone && customerPhone !== '-') {
                                    html += '<tr><th>Téléphone</th><td>' + customerPhone + '</td></tr>';
                                }
                                html += '<tr><th>Adresse</th><td>';
                                html += addressLine1;
                                if (addressLine2) {
                                    html += '<br>' + addressLine2;
                                }
                                html += '<br>' + postalCode + ' ' + city;
                                html += '<br>' + countryCode;
                                html += '</td></tr>';
                                html += '</table>';
                                html += '</div>';
                            }

                            // 3. Détails TVA par taux
                            if (data.vat_totals && Array.isArray(data.vat_totals) && data.vat_totals.length > 0) {
                                html += '<div class="esi-peppol-log-details-section">';
                                html += '<h3>' + (window.esiPeppolAdmin.i18n_logs_vat_details || 'Détails TVA') + '</h3>';
                                html += '<table class="widefat">';
                                html += '<thead><tr><th>Taux TVA</th><th>Montant HTVA</th><th>Montant TVA</th><th>Montant TVAC</th></tr></thead>';
                                html += '<tbody>';
                                data.vat_totals.forEach(function(vat) {
                                    var vatRate = parseFloat(vat.vat_rate || 0);
                                    var taxableAmount = parseFloat(vat.taxable_amount || 0);
                                    var vatAmount = parseFloat(vat.vat_amount || 0);
                                    var totalInclVat = taxableAmount + vatAmount;
                                    html += '<tr>';
                                    html += '<td>' + vatRate.toFixed(2) + ' %</td>';
                                    html += '<td>' + taxableAmount.toFixed(2) + ' €</td>';
                                    html += '<td>' + vatAmount.toFixed(2) + ' €</td>';
                                    html += '<td>' + totalInclVat.toFixed(2) + ' €</td>';
                                    html += '</tr>';
                                });
                                html += '</tbody>';
                                html += '</table>';
                                html += '</div>';
                            }

                            // 4. Totaux (HTVA, TVAC, TVA)
                            if (data.invoice_totals) {
                                html += '<div class="esi-peppol-log-details-section">';
                                html += '<h3>' + (window.esiPeppolAdmin.i18n_logs_totals || 'Totaux') + '</h3>';
                                html += '<table class="widefat">';
                                var totalHTVA = parseFloat(data.invoice_totals.total_amount_excluding_vat || 0);
                                var totalTVA = parseFloat(data.invoice_totals.total_vat_amount || 0);
                                var totalTVAC = parseFloat(data.invoice_totals.total_amount_including_vat || 0);
                                html += '<tr><th style="width: 200px;">Total HTVA</th><td><strong>' + totalHTVA.toFixed(2) + ' €</strong></td></tr>';
                                html += '<tr><th>Total TVA</th><td><strong>' + totalTVA.toFixed(2) + ' €</strong></td></tr>';
                                html += '<tr><th>Total TVAC</th><td><strong>' + totalTVAC.toFixed(2) + ' €</strong></td></tr>';
                                if (data.invoice_totals.total_payable_amount) {
                                    var payableAmount = parseFloat(data.invoice_totals.total_payable_amount || 0);
                                    html += '<tr><th>Montant à payer</th><td>' + payableAmount.toFixed(2) + ' €</td></tr>';
                                }
                                html += '</table>';
                                html += '</div>';
                            }

                            $modalDetailsContent.html(html).show();
                        } else {
                            var errorMsg = (response && response.data && response.data.message)
                                ? response.data.message
                                : (window.esiPeppolAdmin.i18n_logs_error || 'Erreur lors du chargement des détails.');
                            $modalDetailsContent.html('<p class="esi-peppol-error">' + errorMsg + '</p>').show();
                        }
                    })
                    .fail(function () {
                        $modalLoading.hide();
                        var errorMsg = window.esiPeppolAdmin.i18n_network || 'Erreur de communication avec le serveur WordPress.';
                        $modalDetailsContent.html('<p class="esi-peppol-error">' + errorMsg + '</p>').show();
                    });
            });
        }
    });

})(jQuery);