/* ====================================================================
    ОБЕРТКА ДЛЯ ОЖИДАНИЯ JQUERY
    ==================================================================== */
(function waitForJQuery() {
    if (typeof jQuery === 'undefined') {
        setTimeout(waitForJQuery, 10);
    } else {
        (function($){
            
            if (typeof aveabspath !== 'undefined') {
                // aveabspath = 'https://bag.local/'; 
            }

            /* Limit symbols */
            (function($){
                $.fn.extend({
                    limit: function(limit, element){
                        var interval, f;
                        var self = $(this);
                        
                        function substring(){ 
                            var val = $(self).val();
                            var length = val.length;
                            
                            if(length > limit){
                                $(self).val($(self).val().substring(0,limit));
                                length = limit;
                            }
                            
                            if(typeof element !== 'undefined'){
                                if($(element).html() != limit - length){
                                    $(element).html((limit - length <= 0) ? '0' : limit - length);
                                }
                            }
                        }
                        
                        $(this).focus(function(){
                            interval = window.setInterval(substring, 100);
                        });
                        
                        $(this).blur(function(){
                            clearInterval(interval);
                            substring();
                        });
                        
                        substring();
                    }
                })
            })(jQuery);

            function getCaptha(){
                var now = new Date();
                $('#captcha img').attr('src', aveabspath + 'inc/captcha.php?cd=' + now.getTime());
            }

            function cAction(obj, action){
                var cid;

                if (action === 'open' || action === 'close') {
                    cid = DOC_ID;
                } else {
                    var $link = $(obj).closest('a.mod_comment_answer');
                    cid = $link.attr('rel');

                    if (typeof cid === 'undefined' || cid === false || cid === '') {
                        cid = $(obj).parents('.mod_comment_box').attr('id');
                    }
                }

                if (typeof cid === 'undefined' || cid === false || cid === '') {
                    console.error("Comment ID not found for action: " + action);
                    return;
                }

                if (action === 'answer'){
                    $('#parent_id').val(cid);
                    $('#mod_comment_new').insertBefore('#end' + cid).show();
                    return;
                }
                
                // Удаление и модерация (Отправляем запрос, PHP проверит права)
                $.get(aveabspath + 'index.php', {
                    module: 'comment',
                    action: action,
                    docid: DOC_ID,
                    Id: cid
                }, function(data){
                    if (action === 'delete'){
                        $(obj).parents('.mod_comment_comment').eq(0).remove();
                    }
                    
                    if (action === 'open'){
                        var $openButton = $('#mod_comment_open');
                        $openButton.attr('id', 'mod_comment_close').html('<i class="bi bi-unlock-fill me-1"></i> ' + COMMENT_SITE_CLOSE);
                        $openButton.removeClass('btn-outline-success').addClass('btn-outline-danger');
                    }
                    
                    if (action === 'close'){
                        var $closeButton = $('#mod_comment_close');
                        $closeButton.attr('id', 'mod_comment_open').html('<i class="bi bi-lock-fill me-1"></i> ' + COMMENT_SITE_OPEN);
                        $closeButton.removeClass('btn-outline-danger').addClass('btn-outline-success');
                    }
                    
                    if (action === 'unlock'){
                        $(obj).removeClass('mod_comment_unlock text-success')
                                .addClass('mod_comment_lock text-dark')
                                .attr('title', COMMENT_LOCK_LINK)
                                .find('i')
                                .removeClass('bi-unlock-fill').addClass('bi-lock-fill');
                    }
                    if (action === 'lock'){
                        $(obj).removeClass('mod_comment_lock text-dark')
                                .addClass('mod_comment_unlock text-success')
                                .attr('title', COMMENT_UNLOCK_LINK)
                                .find('i')
                                .removeClass('bi-lock-fill').addClass('bi-unlock-fill');
                    }
                });
            }

            function validate(formData, jqForm, options){
                $('.alert').remove();
                var form = jqForm ? jqForm[0] : $('#mod_comment_new form')[0];
                
                if (form.comment_author_name && !form.comment_author_name.value){
                    alert(COMMENT_ERROR_AUTHOR);
                    $(form.comment_author_name).focus();
                    return false;
                }
                
                if (form.comment_author_email && !form.comment_author_email.value){
                    alert(COMMENT_ERROR_EMAIL);
                    $(form.comment_author_email).focus();
                    return false;
                }

                if (typeof REQ_F1 !== 'undefined' && REQ_F1 == '1') {
                    if (form.comment_author_website && !form.comment_author_website.value) {
                        alert("Пожалуйста, заполните поле: " + NAME_F1);
                        $(form.comment_author_website).focus();
                        return false;
                    }
                }

                if (typeof REQ_F2 !== 'undefined' && REQ_F2 == '1') {
                    if (form.comment_author_city && !form.comment_author_city.value) {
                        alert("Пожалуйста, заполните поле: " + NAME_F2);
                        $(form.comment_author_city).focus();
                        return false;
                    }
                }
                
                if (!form.comment_text || !form.comment_text.value){
                    alert(COMMENT_ERROR_TEXT);
                    if (form.comment_text) $(form.comment_text).focus();
                    return false;
                }
                
                if (IS_IM && form.securecode && !form.securecode.value){
                    alert(COMMENT_ERROR_CAPTCHA);
                    $(form.securecode).focus();
                    return false;
                }
                
                return true;
            }

            // Функция для создания формы редактирования
            function createEditForm(cid, revert, targetElement) {
                var currentImg = $('#' + cid).find('.mod_comment_attached_image img').attr('src');
                var deletePhotoHtml = '';

                if (currentImg) {
                    deletePhotoHtml = '<div class="form-check mb-2 mt-2">' +
                        '<input class="form-check-input" type="checkbox" id="del_img_' + cid + '" value="1">' +
                        '<label class="form-check-label text-danger small" for="del_img_' + cid + '">' +
                        '<i class="bi bi-trash me-1"></i>Удалить текущее фото</label>' +
                    '</div>';
                }

                // Блок для превью нового фото
                var editPreviewHtml = '<div id="edit_preview_wrapper_' + cid + '" class="d-none mt-2 mb-2">' +
                    '<img id="edit_preview_img_' + cid + '" src="#" class="img-thumbnail" style="max-height: 100px; object-fit: contain;">' +
                '</div>';

                // Поле для загрузки НОВОГО фото
                var uploadNewPhotoHtml = '<div class="mb-3 mt-2">' +
                    '<label class="form-label small fw-bold mb-1">Заменить или добавить фото:</label>' +
                    '<input type="file" id="new_file_' + cid + '" class="form-control form-control-sm edit-file-input" data-cid="' + cid + '" accept="image/*">' +
                    editPreviewHtml +
                '</div>';

                var textarea = '<p><textarea rows="7" id="ta_' + cid + '" class="editable form-control">' + revert + '</textarea></p>';
                var charsLeft = '<p>' + COMMENT_CHARS_LEFT + ' <span class="charsLeft badge bg-secondary" id="charsLeft_' + cid + '"></span></p>';
                var buttonSave = '<button type="button" class="btn btn-primary saveButton">' + COMMENT_BUTTON_EDIT + '</button> ';
                var buttonReset = '<button type="button" class="btn btn-secondary cancelButton">' + COMMENT_BUTTON_CANCEL + '</button>';
                
                targetElement.after(
                    '<div class="box"><div class="block" id="forms"><fieldset><legend class="h6">' + COMMENT_EDIT_TITLE
                    + '</legend>' + textarea + deletePhotoHtml + uploadNewPhotoHtml + charsLeft + buttonSave + buttonReset + '</fieldset></div></div>'
                ).remove();
                
                $('.saveButton').off('click').on('click', function(){saveChanges(this, false, cid);});
                $('.cancelButton').off('click').on('click', function(){saveChanges(this, revert, cid);});
                
                $('#ta_' + cid).limit(MAX_CHARS, '#charsLeft_' + cid);
            }

            function setClickable(){
                $('.editable_text').off('click');
                
                $('.editable_text').click(function(){
                    var $this = $(this);
                    var cid = $this.parents('.mod_comment_box').attr('id');
                    var revert = $this.html();
                    createEditForm(cid, revert, $this);
                })
                .attr('title', COMMENT_EDIT_LINK)
                .mouseover(function(){$(this).addClass('editable');})
                .mouseout(function(){$(this).removeClass('editable');});

                $('#in_message').limit(MAX_CHARS, '#charsLeft_new');
            }

            function saveChanges(obj, cancel, cid){
                var $box = $(obj).parents('.box');

                if (!cancel){
                    var t = $box.find('#ta_' + cid).val();
                    var deleteImg = $('#del_img_' + cid).is(':checked') ? 1 : 0;
                    
                    var fd = new FormData();
                    fd.append('module', 'comment');
                    fd.append('action', 'edit');
                    fd.append('Id', cid);
                    fd.append('text', t);
                    fd.append('delete_image', deleteImg);
                    
                    var fileInput = $('#new_file_' + cid)[0];
                    if (fileInput && fileInput.files[0]) {
                        fd.append('comment_image', fileInput.files[0]);
                    }
                    
                    $.ajax({
                        url: aveabspath + 'index.php?ajax=1',
                        type: 'POST',
                        data: fd,
                        processData: false, 
                        contentType: false, 
                        success: function(txt){
                            if (deleteImg == 1 || (fileInput && fileInput.files[0])) {
                                location.reload();
                            } else {
                                $box.after('<div class="mod_comment_text editable_text">' + txt + '</div>').remove();
                                var now = new Date();
                                var date = now.toLocaleString();
                                $('#' + cid).find('.mod_comment_changed').html(' (' + COMMENT_TEXT_CHANGED + ' ' + date + ')');
                                setClickable();
                            }
                        },
                        error: function(xhr, status, error) {
                            console.error("AJAX Error (Edit):", status, error);
                            alert("Ошибка при сохранении.");
                        }
                    });
                }
                else {
                    $box.after('<div class="mod_comment_text editable_text">' + cancel + '</div>').remove();
                    setClickable();
                }
            }

            function displayNewComment(data){
                if (data === 'wrong_securecode'){
                    $('#captcha').after('<div class="alert alert-danger">'+COMMENT_WRONG_CODE+'</div>');
                    $('#securecode').focus();
                }
                else {
                    $('#end' + $('#parent_id').val()).before(data);
                    $('#parent_id').val('');
                    $('#mod_comment_new form')[0].reset();
                    $('#image_preview_wrapper').addClass('d-none');
                    $('#image_preview_img').attr('src', '#');
                    
                    $('#mod_comment_new').insertAfter('#end');
                    setClickable();
                }
                getCaptha();
            }

            $(document).ready(function(){
                
                setClickable();
                
                // ЛОГИКА ПРЕДПРОСМОТРА ДЛЯ ФОРМ РЕДАКТИРОВАНИЯ
                $(document).on('change', '.edit-file-input', function() {
                    var cid = $(this).data('cid');
                    var file = this.files[0];
                    var previewWrapper = $('#edit_preview_wrapper_' + cid);
                    var previewImg = $('#edit_preview_img_' + cid);
                    
                    if (file) {
                        var reader = new FileReader();
                        reader.onload = function(e) {
                            previewImg.attr('src', e.target.result);
                            previewWrapper.removeClass('d-none');
                        }
                        reader.readAsDataURL(file);
                    } else {
                        previewWrapper.addClass('d-none');
                    }
                });

                // ЛОГИКА ПРЕДПРОСМОТРА ДЛЯ НОВОГО КОММЕНТАРИЯ
                $(document).on('change', '#comment_image', function() {
                    const file = this.files[0];
                    const previewWrapper = $('#image_preview_wrapper');
                    const previewImg = $('#image_preview_img');
                    const errorDiv = $('#file_error');
                    
                    if (errorDiv.length) errorDiv.addClass('d-none').text('');

                    if (file) {
                        if (file.size > 2 * 1024 * 1024) {
                            if (errorDiv.length) errorDiv.removeClass('d-none').text('Файл слишком большой (макс. 2Мб)');
                            this.value = '';
                            previewWrapper.addClass('d-none');
                            return;
                        }

                        const reader = new FileReader();
                        reader.onload = function(e) {
                            previewImg.attr('src', e.target.result);
                            previewWrapper.removeClass('d-none');
                        }
                        reader.readAsDataURL(file);
                    }
                });

                $(document).on('click', '#remove_image_btn', function() {
                    $('#comment_image').val('');
                    $('#image_preview_wrapper').addClass('d-none');
                    $('#image_preview_img').attr('src', '#');
                });

                $(document).on('click', '#captcha img', function(){getCaptha();});

                $(document).on('click', '#reload_captcha', function(e){
                    e.preventDefault();
                    getCaptha();
                });

                $(document).on('click', '.mod_comment_answer', function(e){
                    e.preventDefault();
                    cAction(this, 'answer');
                });
                
                $(document).on('click', '.mod_comment_edit', function(e){
                    e.preventDefault();
                    var cid = $(this).parents('.mod_comment_box').attr('id');
                    var commentTextBlock = $('#' + cid).find('.mod_comment_text');
                    var revert = commentTextBlock.html();
                    createEditForm(cid, revert, commentTextBlock);
                });

                /* --- УДАЛЕНИЕ: Доступно всем, у кого в шаблоне есть кнопка --- */
                $(document).on('click', '.mod_comment_delete', function(e){
                    e.preventDefault();
                    var $deleteButton = $(this);
                    var $modal = $('#deleteCommentModal');
                    
                    $('#confirmDeleteButton').off('click').on('click', function() {
                        cAction($deleteButton[0], 'delete');
                        var modalInstance = bootstrap.Modal.getInstance($modal[0]) || new bootstrap.Modal($modal[0]);
                        modalInstance.hide();
                    });

                    var modal = new bootstrap.Modal($modal[0]);
                    modal.show();
                });

                /* --- ТОЛЬКО ДЛЯ АДМИНИСТРАТОРОВ (UGROUP == 1) --- */
                if (typeof UGROUP !== 'undefined' && UGROUP == 1) {
                    $(document).on('click', '.mod_comment_lock', function(e){e.preventDefault(); cAction(this, 'lock');});
                    $(document).on('click', '.mod_comment_unlock', function(e){e.preventDefault(); cAction(this, 'unlock');});
                    
                    $(document).on('click', '#mod_comment_open', function(e){e.preventDefault(); cAction(this, 'open');});
                    $(document).on('click', '#mod_comment_close', function(e){e.preventDefault(); cAction(this, 'close');});
                }

                $('#mod_comment_new form').on('submit', function(e){
                    e.preventDefault();
                    var form = $(this);
                    if (!validate(null, form, null)) return false;
                    
                    var submitButton = form.find('input[type="submit"], button[type="submit"]').first();
                    var originalButtonText = submitButton.text();
                    var formData = new FormData(this); 
                    
                    $.ajax({
                        url: aveabspath + 'index.php?ajax=1',
                        type: 'POST',
                        data: formData,
                        processData: false, 
                        contentType: false, 
                        beforeSend: function() {
                            submitButton.prop('disabled', true).text('Отправка...');
                        },
                        success: function(data) {
                            displayNewComment(data);
                            submitButton.prop('disabled', false).text(originalButtonText);
                        },
                        error: function() {
                            alert("Ошибка при отправке.");
                            submitButton.prop('disabled', false).text(originalButtonText);
                        }
                    });
                    return false;
                });
                
                $('#buttonReset').click(function(){
                    $('#parent_id').val('');
                    $('#mod_comment_new form')[0].reset();
                    $('#image_preview_wrapper').addClass('d-none');
                    $('#mod_comment_new').insertAfter('#end');
                });
            });
            
        })(jQuery);
    }
})();