(function($) {
    'use strict';

    var STORAGE_PREFIX = 'thalim_form_restore_';
    var MAX_AGE_MS = 10 * 60 * 1000; // 10 min

    function getPostId() {
        return $('#post_ID').val() || 'new';
    }

    function getStorageKey() {
        return STORAGE_PREFIX + getPostId();
    }

    function saveFormData() {
        var data = { timestamp: Date.now() };

        var $title = $('#title');
        if ($title.length) data.title = $title.val();

        var $content = $('#content');
        if ($content.length) {
            if (typeof tinyMCE !== 'undefined' && tinyMCE.get('content')) {
                data.content = tinyMCE.get('content').getContent();
            } else {
                data.content = $content.val();
            }
        }

        $('[name^="pods_meta_"]').each(function() {
            data[this.name] = $(this).val();
        });

        try {
            sessionStorage.setItem(getStorageKey(), JSON.stringify(data));
        } catch (e) {}
    }

    function restoreFormData() {
        var navEntries = performance.getEntriesByType('navigation');
        if (!navEntries.length || navEntries[0].type !== 'back_forward') return;

        var key = getStorageKey();
        var stored, data;
        try {
            stored = sessionStorage.getItem(key);
            if (!stored) return;
            data = JSON.parse(stored);
        } catch (e) { return; }

        if (!data.timestamp || Date.now() - data.timestamp > MAX_AGE_MS) {
            try { sessionStorage.removeItem(key); } catch (e) {}
            return;
        }

        // Restaurer titre
        if (data.title !== undefined) $('#title').val(data.title);

        // Restaurer contenu (TinyMCE ou textarea brut)
        if (data.content !== undefined) {
            $('#content').val(data.content);
            if (typeof tinyMCE !== 'undefined') {
                var ed = tinyMCE.get('content');
                if (ed) {
                    ed.setContent(data.content);
                } else {
                    tinyMCE.on('AddEditor', function(e) {
                        if (e.editor.id === 'content') {
                            e.editor.on('init', function() {
                                e.editor.setContent(data.content);
                            });
                        }
                    });
                }
            }
        }

        // Restaurer champs Pods après rendu React
        var restorePods = function() {
            setTimeout(function() {
                var postId = getPostId();
                Object.keys(data).forEach(function(name) {
                    if (!name.startsWith('pods_meta_')) return;
                    var fieldName = name.replace(/^pods_meta_/, '');
                    var value = data[name];
                    var $el = $('[name="' + name + '"]');
                    if ($el.length) $el.val(value).trigger('change');
                    if (window.PodsDFV && postId) {
                        try { window.PodsDFV.setFieldValue('post', postId, fieldName, value, 0); } catch (e) {}
                    }
                });
            }, 300);
        };

        if (document.readyState === 'complete') {
            restorePods();
        } else {
            $(window).on('load', restorePods);
        }

        // Notice informative
        var $notice = $('<div class="notice notice-info is-dismissible"><p>Votre contenu a \u00e9t\u00e9 restaur\u00e9 suite \u00e0 une erreur de validation. V\u00e9rifiez les champs obligatoires avant de publier.</p></div>');
        $('#wpbody-content').find('.wrap').first().find('h1').after($notice);
    }

    $(document).ready(function() {
        if (window.pagenow !== 'post' && window.pagenow !== 'post-new') return;

        // Nettoyage si sauvegarde réussie
        if ($('.notice-success, #message.updated').length) {
            try { sessionStorage.removeItem(getStorageKey()); } catch (e) {}
            return;
        }

        $('#post').on('submit', saveFormData);
        restoreFormData();
    });

})(jQuery);