/**
 * Handles the Insert and Cancel events on TinyMCE and QuickTag Modals
 *
 * @since   1.9.6
 *
 * @author ConvertKit
 */

document.addEventListener('DOMContentLoaded', function () {
	// Cancel.
	document.body.addEventListener('click', function (e) {
		// Check if a cancel button was clicked.
		if (
			e.target.matches(
				'#convertkit-modal-body div.mce-cancel button, #convertkit-modal-body div.mce-cancel button *, #convertkit-quicktags-modal .media-toolbar .media-toolbar-secondary button.cancel'
			)
		) {
			// TinyMCE.
			if (
				typeof tinyMCE !== 'undefined' &&
				tinyMCE.activeEditor &&
				!tinyMCE.activeEditor.isHidden()
			) {
				tinymce.activeEditor.windowManager.close();
				return;
			}

			// Text Editor.
			// Close the QuickTags modal.
			convertKitQuickTagsModal.close();
		}
	});

	// Insert.
	document.body.addEventListener('click', function (e) {
		// Check if an insert button was clicked.
		if (
			e.target.matches(
				'#convertkit-modal-body div.mce-insert button, #convertkit-modal-body div.mce-insert button *, #convertkit-quicktags-modal .media-toolbar .media-toolbar-primary button.button-primary'
			) ||
			e.target.matches(
				'button.wp-convertkit-refresh-resources, span.dashicons-update'
			)
		) {
			// Prevent default action.
			e.preventDefault();

			// Don't close the modal if the refresh button was clicked.
			if (
				e.target.matches(
					'button.wp-convertkit-refresh-resources, span.dashicons-update'
				)
			) {
				return;
			}

			// Get containing form.
			const form = document.querySelector(
				'form.convertkit-tinymce-popup'
			);

			// Build Shortcode.
			let shortcode =
				'[' + form.querySelector('input[name="shortcode"]').value;
			const shortcodeClose =
				form.querySelector('input[name="close_shortcode"]').value ===
				'1';

			// Iterate through form fields.
			form.querySelectorAll('input, select').forEach(function (element) {
				// Skip if no data-shortcode attribute.
				if (!element.dataset.shortcode) {
					return;
				}

				let val = '';

				// If this is a color picker, #000000 will be submitted by the browser as the value
				// even if no value / color was selected.
				// Check the data-value attribute instead.
				switch (element.type) {
					case 'color':
						val = element.dataset.value;
						break;
					default:
						val = element.value;
						break;
				}

				// Skip if the value is empty.
				if (!val) {
					return;
				}
				if (val.length === 0) {
					return;
				}

				// Get shortcode attribute.
				const key = element.dataset.shortcode;
				const trim = element.dataset.trim !== '0';

				// Skip if the shortcode is empty.
				if (!key.length) {
					return;
				}

				// Trim the value, unless the shortcode attribute disables string trimming.
				if (trim) {
					val = val.trim();
				}

				// Append attribute and value to shortcode string.
				shortcode += ' ' + key.trim() + '="' + val + '"';
			});

			// Close Shortcode.
			shortcode += ']';

			// If the shortcode includes a closing element, append it now.
			if (shortcodeClose) {
				shortcode +=
					'[/' +
					form.querySelector('input[name="shortcode"]').value +
					']';
			}

			// Depending on the editor type, insert the shortcode.
			switch (form.querySelector('input[name="editor_type"]').value) {
				case 'tinymce':
					// Sanity check that a Visual editor exists and is active.
					if (
						typeof tinyMCE !== 'undefined' &&
						tinyMCE.activeEditor &&
						!tinyMCE.activeEditor.isHidden()
					) {
						// Insert into editor.
						tinyMCE.activeEditor.execCommand(
							'mceReplaceContent',
							false,
							shortcode
						);

						// Close modal.
						tinyMCE.activeEditor.windowManager.close();
					}
					break;

				case 'quicktags':
					// Insert into editor.
					QTags.insertContent(shortcode);

					// Close modal.
					convertKitQuickTagsModal.close();
					break;
			}
		}
	});
});

// QuickTags: Setup Backbone Modal and Template.
if (typeof wp !== 'undefined' && typeof wp.media !== 'undefined') {
	// Declared globally, as used in this file and quicktags.js.
	// Setting this as const or let causes a JS error stating that `convertKitQuickTagsModal` is not defined globally.
	// eslint-disable-next-line no-var
	var convertKitQuickTagsModal = new wp.media.view.Modal({
		controller: { trigger() {} },
		className: 'convertkit-quicktags-modal',
	});
	const convertKitQuickTagsModalContent = wp.Backbone.View.extend({
		template: wp.template('convertkit-quicktags-modal'),
	});
	convertKitQuickTagsModal.content(new convertKitQuickTagsModalContent());

	/**
	 * Resets the content of the convertKitQuickTagsModal when closing.
	 *
	 * If this isn't performed, switching from Text to Visual Editor for the same shortcode results
	 * code picking up data from the QuickTags modal, not the TinyMCE one, due to this 'stale'
	 * modal remaining in the DOM, resulting in e.g. the tabbed UI not loading correctly.
	 */
	convertKitQuickTagsModal.on('close', function () {
		this.content(new convertKitQuickTagsModalContent());
	});
}