/* global jQuery, attCCAdmin */
(function($) {
	'use strict';

	$(function() {
		// Initialize color pickers.
		$('.att-cc-color-picker').wpColorPicker();

		// Toggle gtag/GTM fields based on tracking mode.
		var $trackingMode = $('#tracking_mode');
		function toggleTrackingFields() {
			var mode = $trackingMode.val();
			$('.att-cc-gtag-row').toggle(mode === 'gtag');
			$('.att-cc-gtm-row').toggle(mode === 'gtm');
		}
		if ($trackingMode.length) {
			toggleTrackingFields();
			$trackingMode.on('change', toggleTrackingFields);
		}

		// --- Custom Scripts CRUD ---

		var $modal     = $('#att-cc-script-modal');
		var $form      = $('#att-cc-script-form');
		var $title     = $('#att-cc-script-modal-title');
		var $scriptId  = $('#att-cc-script-id');

		// Open modal for new script.
		$('#att-cc-add-script').on('click', function() {
			resetForm();
			$title.text('Add Script');
			$modal.show();
		});

		// Close modal.
		$('.att-cc-close-modal, .att-cc-modal__overlay').on('click', function() {
			$modal.hide();
		});

		// Escape key closes modal.
		$(document).on('keydown', function(e) {
			if (e.key === 'Escape' && $modal.is(':visible')) {
				$modal.hide();
			}
		});

		// Edit script.
		$(document).on('click', '.att-cc-edit-script', function() {
			var id = $(this).data('id');
			$.post(attCCAdmin.ajaxUrl, {
				action:    'att_cc_get_script',
				nonce:     attCCAdmin.nonce,
				script_id: id,
			}, function(response) {
				if (response.success) {
					var s = response.data;
					$scriptId.val(s.id);
					$('#att-cc-script-name').val(s.name);
					$('#att-cc-script-category').val(s.category);
					$('#att-cc-script-placement').val(s.placement);
					$('#att-cc-script-priority').val(s.priority);
					$('#att-cc-script-status').val(s.status);
					$('#att-cc-script-snippet').val(s.snippet);
					$title.text('Edit Script');
					$modal.show();
				}
			});
		});

		// Delete script.
		$(document).on('click', '.att-cc-delete-script', function() {
			if (!confirm(attCCAdmin.strings.confirmDelete)) {
				return;
			}
			var id = $(this).data('id');
			$.post(attCCAdmin.ajaxUrl, {
				action:    'att_cc_delete_script',
				nonce:     attCCAdmin.nonce,
				script_id: id,
			}, function(response) {
				if (response.success) {
					refreshScriptsTable(response.data.scripts);
				} else {
					alert(attCCAdmin.strings.error);
				}
			});
		});

		// Save script (form submit).
		$form.on('submit', function(e) {
			e.preventDefault();

			var data = {
				action:    'att_cc_save_script',
				nonce:     attCCAdmin.nonce,
				script_id: $scriptId.val(),
				name:      $('#att-cc-script-name').val(),
				snippet:   $('#att-cc-script-snippet').val(),
				category:  $('#att-cc-script-category').val(),
				placement: $('#att-cc-script-placement').val(),
				status:    $('#att-cc-script-status').val(),
				priority:  $('#att-cc-script-priority').val(),
			};

			$.post(attCCAdmin.ajaxUrl, data, function(response) {
				if (response.success) {
					$modal.hide();
					refreshScriptsTable(response.data.scripts);
				} else {
					alert(attCCAdmin.strings.error);
				}
			});
		});

		function resetForm() {
			$scriptId.val('');
			$('#att-cc-script-name').val('');
			$('#att-cc-script-category').val('analytics');
			$('#att-cc-script-placement').val('head');
			$('#att-cc-script-priority').val('10');
			$('#att-cc-script-status').val('active');
			$('#att-cc-script-snippet').val('');
		}

		function refreshScriptsTable(scripts) {
			var $tbody = $('#att-cc-scripts-list');
			$tbody.empty();

			if (!scripts || scripts.length === 0) {
				$tbody.append('<tr class="att-cc-no-scripts"><td colspan="6">No custom scripts added yet.</td></tr>');
				return;
			}

			scripts.forEach(function(s) {
				var eCat = escapeHtml(s.category);
				var eStatus = escapeHtml(s.status);
				var ePlacement = escapeHtml(s.placement);
				var ePriority = escapeHtml(String(s.priority));
				var eId = escapeHtml(String(s.id));
				var row = '<tr data-id="' + eId + '">' +
					'<td class="column-name">' + escapeHtml(s.name) + '</td>' +
					'<td class="column-category"><span class="att-cc-badge att-cc-badge--' + eCat + '">' + capitalize(eCat) + '</span></td>' +
					'<td class="column-placement">' + capitalize(ePlacement) + '</td>' +
					'<td class="column-priority">' + ePriority + '</td>' +
					'<td class="column-status"><span class="att-cc-status att-cc-status--' + eStatus + '">' + capitalize(eStatus) + '</span></td>' +
					'<td class="column-actions">' +
						'<button type="button" class="button button-small att-cc-edit-script" data-id="' + eId + '">Edit</button> ' +
						'<button type="button" class="button button-small button-link-delete att-cc-delete-script" data-id="' + eId + '">Delete</button>' +
					'</td>' +
				'</tr>';
				$tbody.append(row);
			});
		}

		function escapeHtml(text) {
			var div = document.createElement('div');
			div.appendChild(document.createTextNode(text));
			return div.innerHTML;
		}

		function capitalize(str) {
			return str.charAt(0).toUpperCase() + str.slice(1);
		}
	});
})(jQuery);