<?php
/**
 * WP Ultimo Email Edit/Add New Admin Page.
 *
 * @package WP_Ultimo
 * @subpackage Admin_Pages
 * @since 2.0.0
 */

namespace WP_Ultimo\Admin_Pages;

// Exit if accessed directly
defined('ABSPATH') || exit;

use \WP_Ultimo\Models\Email;
use \WP_Ultimo\Managers\Email_Manager;

/**
 * WP Ultimo Email Edit/Add New Admin Page.
 */
class Email_Edit_Admin_Page extends Edit_Admin_Page {

	/**
	 * Holds the ID for this page, this is also used as the page slug.
	 *
	 * @var string
	 */
	protected $id = 'wp-ultimo-edit-email';

	/**
	 * Is this a top-level menu or a submenu?
	 *
	 * @since 1.8.2
	 * @var string
	 */
	protected $type = 'submenu';

	/**
	 * Object ID being edited.
	 *
	 * @since 1.8.2
	 * @var string
	 */
	public $object_id = 'system_email';


	/**
	 * Is this a top-level menu or a submenu?
	 *
	 * @since 1.8.2
	 * @var string
	 */
	protected $parent = 'none';

	/**
	 * This page has no parent, so we need to highlight another sub-menu.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	protected $highlight_menu_slug = 'wp-ultimo-broadcasts';

	/**
	 * If this number is greater than 0, a badge with the number will be displayed alongside the menu title
	 *
	 * @since 1.8.2
	 * @var integer
	 */
	protected $badge_count = 0;

	/**
	 * Holds the admin panels where this page should be displayed, as well as which capability to require.
	 *
	 * To add a page to the regular admin (wp-admin/), use: 'admin_menu' => 'capability_here'
	 * To add a page to the network admin (wp-admin/network), use: 'network_admin_menu' => 'capability_here'
	 * To add a page to the user (wp-admin/user) admin, use: 'user_admin_menu' => 'capability_here'
	 *
	 * @since 2.0.0
	 * @var array
	 */
	protected $supported_panels = array(
		'network_admin_menu' => 'wu_edit_emails',
	);

	/**
	 * Initializes the class
	 *
	 * @since 1.8.2
	 * @return void
	 */
	public function init() {

		/**
		 * Runs the parent init functions
		 */
		parent::init();

		add_action('wu_page_edit_redirect_handlers', array($this, 'handle_page_redirect'), 10);

	} // end init;

	/**
	 * Registers the necessary scripts.
	 *
	 * @since 2.0.0
	 * @return void
	 */
	public function register_scripts() {

		parent::register_scripts();

		wp_enqueue_script('wu-email-edit-page', wu_get_asset('email-edit-page.js', 'js'), array('jquery', 'clipboard'));

	} // end register_scripts;

	/**
	 * Allow child classes to register widgets, if they need them.
	 *
	 * @since 1.8.2
	 * @return void
	 */
	public function register_widgets() {

		parent::register_widgets();

		$object = $this->get_object();

		// translators: %s is replaced with the number of days.
		$days_text = sprintf(__('Send %s day(s) after the event.', 'wp-ultimo'), '{{ days }}');

		// translators: %1$s is replaced with the number of hours, %2$s is replaced with the number of minutes.
		$hour_text = sprintf(__('Send %1$s hour(s) and %2$s minute(s) after the event.', 'wp-ultimo'), '{{ hours.split(":").shift() }}', '{{ hours.split(":").pop() }}');

		$desc = sprintf('
			<span v-show="schedule && schedule_type == \'days\'">%s</span>
			<span v-show="schedule && schedule_type == \'hours\'">%s</span>
		', $days_text, $hour_text);

		$this->add_save_widget('save', array(
			'html_attr' => array(
				'data-wu-app' => 'email_edit_save',
				'data-state'  => wu_convert_to_state(array(
					'slug'          => $this->edit ? $object->get_slug() : '',
					'target'        => $this->edit ? $object->get_target() : 'admin',
					'schedule'      => $this->edit ? $object->has_schedule() : false,
					'schedule_type' => $this->edit ? $object->get_schedule_type() : 'days',
					'days'          => $this->edit ? $object->get_send_days() : 1,
					'hours'         => $this->edit ? $object->get_send_hours() : '12:00',
				)),
			),
			'fields'    => array(
				'slug'               => array(
					'type'      => 'text',
					'title'     => __('Slug', 'wp-ultimo'),
					'desc'      => __('An unique identifier for this system email.', 'wp-ultimo'),
					'value'     => $this->edit ? $object->get_slug() : '',
					'html_attr' => array(
						'required'     => 'required',
						'v-on:input'   => 'slug = $event.target.value.toLowerCase().replace(/[^a-z0-9-_]+/g, "")',
						'v-bind:value' => 'slug',
					),
				),
				'event'              => array(
					'type'        => 'select',
					'title'       => __('Event', 'wp-ultimo'),
					'desc'        => __('The event that will trigger the sending of this email.', 'wp-ultimo'),
					'placeholder' => __('Event', 'wp-ultimo'),
					'options'     => 'wu_get_event_types_as_options',
					'value'       => $this->edit ? $object->get_event() : 0,
					'html_attr'   => array(
						'name' => ''
					),
				),
				'target'             => array(
					'type'        => 'select',
					'title'       => __('Target', 'wp-ultimo'),
					'desc'        => __('To whom this email should be sent.', 'wp-ultimo'),
					'placeholder' => __('Network Administrators', 'wp-ultimo'),
					'value'       => $this->edit ? $object->get_target() : 'admin',
					'options'     => array(
						'admin'    => __('Network Administrators', 'wp-ultimo'),
						'customer' => __('Customer', 'wp-ultimo'),
					),
					'html_attr'   => array(
						'v-model' => 'target',
					),
				),
				'send_copy_to_admin' => array(
					'type'              => 'toggle',
					'title'             => __('Send Copy to Admins?', 'wp-ultimo'),
					'desc'              => __('Checking this options will add the network admins as bcc every time this email is sent to a customer.', 'wp-ultimo'),
					'value'             => $this->edit ? $object->get_send_copy_to_admin() : false,
					'wrapper_html_attr' => array(
						'v-show'  => 'target == "customer"',
						'v-cloak' => 1,
					),
				),
				'schedule'           => array(
					'type'      => 'toggle',
					'title'     => __('Schedule?', 'wp-ultimo'),
					'desc'      => __('You can define when the email is sent after the event triggers.', 'wp-ultimo'),
					'value'     => $this->edit ? $this->get_object()->has_schedule() : 0,
					'html_attr' => array(
						'v-model' => 'schedule',
					),
				),
				'send_date'          => array(
					'type'              => 'group',
					'title'             => __('Scheduling Options', 'wp-ultimo'),
					'tooltip'           => __('When this email will be sent after the event?', 'wp-ultimo'),
					'desc'              => $desc,
					'desc_id'           => 'send_date_desc',
					'wrapper_html_attr' => array(
						'v-show'  => 'schedule',
						'v-cloak' => 1,
					),
					'fields'            => array(
						'schedule_type' => array(
							'type'            => 'select',
							'default'         => 'days',
							'wrapper_classes' => 'wu-w-2/3',
							'value'           => $this->edit ? $object->get_schedule_type() : 'days',
							'options'         => array(
								'hours' => __('Delay for hours', 'wp-ultimo'),
								'days'  => __('Delay for days', 'wp-ultimo'),
							),
							'html_attr'       => array(
								'v-model' => 'schedule_type',
							),
						),
						'send_days'     => array(
							'type'              => 'number',
							'value'             => $this->edit && $object->get_send_days() ? $object->get_send_days() : 1,
							'placeholder'       => 1,
							'min'               => 0,
							'wrapper_classes'   => 'wu-ml-2 wu-w-1/3',
							'wrapper_html_attr' => array(
								'v-show'  => "schedule_type == 'days'",
								'v-cloak' => '1',
							),
							'html_attr'         => array(
								'v-model' => 'days',
							),
						),
						'send_hours'    => array(
							'type'              => 'text',
							'date'              => true,
							'placeholder'       => $this->edit ? $object->get_send_hours() : '12:00',
							'value'             => $this->edit ? $object->get_send_hours() : '',
							'wrapper_classes'   => 'wu-ml-2 wu-w-1/3',
							'html_attr'         => array(
								'data-no-calendar' => 'true',
								'wu-datepicker'    => 'true',
								'data-format'      => 'H:i',
								'data-allow-time'  => 'true',
								'v-model'          => 'hours',
							),
							'wrapper_html_attr' => array(
								'v-show'  => "schedule_type == 'hours'",
								'v-cloak' => '1',
							),
						),
					),
				),

			),
		));

		add_meta_box('wp-ultimo-placeholders', __('Placeholders', 'wp-ultimo'), array($this, 'output_default_widget_placeholders'), get_current_screen()->id, 'normal', null, array());

		$this->add_fields_widget('active', array(
			'title'  => __('Active', 'wp-ultimo'),
			'fields' => array(
				'active' => array(
					'type'  => 'toggle',
					'title' => __('Active', 'wp-ultimo'),
					'desc'  => __('Use this option to manually enable or disable this email.', 'wp-ultimo'),
					'value' => $this->get_object()->is_active(),
				),
			),
		));

		$this->add_tabs_widget('email_edit_options', array(
			'title'    => __('Advanced Options', 'wp-ultimo'),
			'position' => 'normal',
			'sections' => array(
				'general' => array(
					'title'  => __('General', 'wp-ultimo'),
					'icon'   => 'dashicons-wu-lock',
					'desc'   => __('Rules and limitations to the applicability of this discount code.', 'wp-ultimo'),
					'state'  => array(
						'sender' => $this->edit ? $object->get_custom_sender() : 0,
					),
					'fields' => array(
						'style' => array(
							'type'        => 'select',
							'title'       => __('Email Style', 'wp-ultimo'),
							'desc'        => __('Choose if email body will be sent using the HTML template or in plain text.', 'wp-ultimo'),
							'placeholder' => __('Style', 'wp-ultimo'),
							'options'     => array(
								'default' => __('Use Default', 'wp-ultimo'),
								'html'    => __('HTML Emails', 'wp-ultimo'),
								'plain'   => __('Plain Emails', 'wp-ultimo'),
							),
							'value'       => $this->edit ? $object->get_style() : 'html',
						),
					),
				),
				'sender'  => array(
					'title'  => __('Custom Sender', 'wp-ultimo'),
					'icon'   => 'dashicons-wu-mail',
					'desc'   => __('You can define an email and a name that will only be used when this email is sent.', 'wp-ultimo'),
					'fields' => array(
						'custom_sender'       => array(
							'type'      => 'toggle',
							'title'     => __('Use a custom sender?', 'wp-ultimo'),
							'desc'      => __('You can define an email and a name that will only be used when this email is sent.', 'wp-ultimo'),
							'value'     => $this->edit ? $object->get_custom_sender() : 0,
							'html_attr' => array(
								'v-model' => 'sender',
							),
						),
						'custom_sender_name'  => array(
							'type'              => 'text',
							'title'             => __('From "Name"', 'wp-ultimo'),
							'desc'              => __('Override the global from name for this particular email.', 'wp-ultimo'),
							'wrapper_classes'   => 'wu-full',
							'value'             => $this->edit ? $object->get_custom_sender_name() : '',
							'wrapper_html_attr' => array(
								'v-show'  => 'sender',
								'v-cloak' => 1,
							),
						),
						'custom_sender_email' => array(
							'type'              => 'email',
							'title'             => __('From "Email"', 'wp-ultimo'),
							'desc'              => __('Override the global from email for this particular email.', 'wp-ultimo'),
							'wrapper_classes'   => 'wu-full',
							'value'             => $this->edit ? $object->get_custom_sender_email() : '',
							'wrapper_html_attr' => array(
								'v-show'  => 'sender',
								'v-cloak' => 1,
							),
						),
					),
				)
			)
		));

	} // end register_widgets;

	/**
	 * Outputs the block that shows the event payload placeholders.
	 *
	 * @since 2.0.0
	 *
	 * @param mixed $unused Not sure.
	 * @param array $data Arguments passed by add_meta_box.
	 * @return void
	 */
	public function output_default_widget_placeholders($unused, $data) {

		wu_get_template('email/widget-placeholders', array(
			'title'        => __('Event Payload', 'wp-ultimo'),
			'loading_text' => __('Loading Payload', 'wp-ultimo'),
		));

	} // end output_default_widget_placeholders;

	/**
	 * Returns the title of the page.
	 *
	 * @since 2.0.0
	 * @return string Title of the page.
	 */
	public function get_title() {

		return $this->edit ? __('Edit Email', 'wp-ultimo') : __('Add new Email', 'wp-ultimo');

	} // end get_title;

	/**
	 * Returns the title of menu for this page.
	 *
	 * @since 2.0.0
	 * @return string Menu label of the page.
	 */
	public function get_menu_title() {

		return __('Edit Email', 'wp-ultimo');

	} // end get_menu_title;

	/**
	 * Returns the action links for that page.
	 *
	 * @since 1.8.2
	 * @return array
	 */
	public function action_links() {

		$url_atts = array(
			'id'    => $this->get_object()->get_id(),
			'model' => 'email',
			'page'  => 'edit'
		);

		$send_test_link = wu_get_form_url('send_new_test', $url_atts);

		return array(
			array(
				'url'   => wu_network_admin_url('wp-ultimo-emails'),
				'label' => __('Go Back', 'wp-ultimo'),
				'icon'  => 'wu-reply',
			),
			array(
				'url'     => $send_test_link,
				'label'   => __('Send Test Email', 'wp-ultimo'),
				'icon'    => 'wu-mail',
				'classes' => 'wubox'
			),
		);

	} // end action_links;

	/**
	 * Returns the labels to be used on the admin page.
	 *
	 * @since 2.0.0
	 * @return array
	 */
	public function get_labels() {

		return array(
			'edit_label'          => __('Edit Email', 'wp-ultimo'),
			'add_new_label'       => __('Add new Email', 'wp-ultimo'),
			'updated_message'     => __('Email updated with success!', 'wp-ultimo'),
			'title_placeholder'   => __('Enter Email Subject', 'wp-ultimo'),
			'title_description'   => __('This will be used as the email subject line.', 'wp-ultimo'),
			'save_button_label'   => __('Save Email', 'wp-ultimo'),
			'save_description'    => '',
			'delete_button_label' => __('Delete Email', 'wp-ultimo'),
			'delete_description'  => __('Be careful. This action is irreversible.', 'wp-ultimo'),
		);

	} // end get_labels;

	/**
	 * Filters the list table to return only relevant events.
	 *
	 * @since 2.0.0
	 *
	 * @param array $args Query args passed to the list table.
	 * @return array Modified query args.
	 */
	public function query_filter($args) {

		$extra_args = array(
			'object_type' => 'system_email',
			'object_id'   => absint($this->get_object()->get_id()),
		);

		return array_merge($args, $extra_args);

	} // end query_filter;

	/**
	 * Handles the toggles.
	 *
	 * @since 2.0.0
	 * @return void
	 */
	public function handle_save() {

		$_POST['schedule'] = wu_request('schedule');

		$_POST['send_copy_to_admin'] = wu_request('send_copy_to_admin');

		$_POST['custom_sender'] = wu_request('custom_sender');

		parent::handle_save();

	} // end handle_save;

	/**
	 * Handles the redirect notice from sent new test modal.
	 *
	 * @param WP_Ultimo\Admin_Pages\Base_Admin_Page $page The page object.
	 * @return void
	 */
	public function handle_page_redirect($page) {

		if ($page->get_id() === 'wp-ultimo-edit-email') {

			if (wu_request('test_notice')) {

				$test_notice = wu_request('test_notice');

				?>

				<div id="message" class="updated notice notice-success is-dismissible below-h2">

					<p><?php echo esc_html($test_notice); ?></p>

				</div>

				<?php

			} // end if;

		} // end if;

	} // end handle_page_redirect;

	/**
	 * Returns the object being edit at the moment.
	 *
	 * @since 2.0.0
	 * @return \WP_Ultimo\Models\Email
	 */
	public function get_object() {

		if (isset($_GET['id'])) {

			$query = new \WP_Ultimo\Database\Emails\Email_Query;

			$item = $query->get_item_by('id', $_GET['id']);

			if (!$item) {

				wp_redirect(wu_network_admin_url('wp-ultimo-emails'));

				exit;

			} // end if;

			return $item;

		} // end if;

		return new Email;

	} // end get_object;
	/**
	 * Emails have titles.
	 *
	 * @since 2.0.0
	 */
	public function has_title(): bool {

		return true;

	} // end has_title;
	/**
	 * Wether or not this pages should have an editor field.
	 *
	 * @since 2.0.0
	 */
	public function has_editor(): bool {

		return true;

	} // end has_editor;

	/**
	 * Filters the list table to return only relevant events.
	 *
	 * @since 2.0.0
	 *
	 * @param array $args Query args passed to the list table.
	 * @return array Modified query args.
	 */
	public function events_query_filter($args) {

		$extra_args = array(
			'object_type' => 'email',
			'object_id'   => absint($this->get_object()->get_id()),
		);

		return array_merge($args, $extra_args);

	} // end events_query_filter;

} // end class Email_Edit_Admin_Page;
