<?php
/**
 * Adds the Invoices_Element UI to the Admin Panel.
 *
 * @package WP_Ultimo
 * @subpackage UI
 * @since 2.0.0
 */

namespace WP_Ultimo\UI;

use WP_Ultimo\UI\Base_Element;

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

/**
 * Adds the Checkout Element UI to the Admin Panel.
 *
 * @since 2.0.0
 */
class Invoices_Element extends Base_Element {

	use \WP_Ultimo\Traits\Singleton;

	/**
	 * The id of the element.
	 *
	 * Something simple, without prefixes, like 'checkout', or 'pricing-tables'.
	 *
	 * This is used to construct shortcodes by prefixing the id with 'wu_'
	 * e.g. an id checkout becomes the shortcode 'wu_checkout' and
	 * to generate the Gutenberg block by prefixing it with 'wp-ultimo/'
	 * e.g. checkout would become the block 'wp-ultimo/checkout'.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $id = 'invoices';

	/**
	 * Controls if this is a public element to be used in pages/shortcodes by user.
	 *
	 * @since 2.0.24
	 * @var boolean
	 */
	protected $public = true;

	/**
	 * The current membership.
	 *
	 * @since 2.2.0
	 * @var \WP_Ultimo\Models\Membership
	 */
	protected $membership;

	/**
	 * The icon of the UI element.
	 * e.g. return fa fa-search
	 *
	 * @since 2.0.0
	 * @param string $context One of the values: block, elementor or bb.
	 * @return string
	 */
	public function get_icon($context = 'block') {

		if ($context === 'elementor') {

			return 'eicon-price-list';

		} // end if;

		return 'fa fa-search';

	} // end get_icon;

	/**
	 * The title of the UI element.
	 *
	 * This is used on the Blocks list of Gutenberg.
	 * You should return a string with the localized title.
	 * e.g. return __('My Element', 'wp-ultimo').
	 *
	 * @since 2.0.0
	 * @return string
	 */
	public function get_title() {

		return __('Invoices', 'wp-ultimo');

	} // end get_title;

	/**
	 * The description of the UI element.
	 *
	 * This is also used on the Gutenberg block list
	 * to explain what this block is about.
	 * You should return a string with the localized title.
	 * e.g. return __('Adds a checkout form to the page', 'wp-ultimo').
	 *
	 * @since 2.0.0
	 * @return string
	 */
	public function get_description() {

		return __('Adds a checkout form block to the page.', 'wp-ultimo');

	} // end get_description;

	/**
	 * The list of fields to be added to Gutenberg.
	 *
	 * If you plan to add Gutenberg controls to this block,
	 * you'll need to return an array of fields, following
	 * our fields interface (@see inc/ui/class-field.php).
	 *
	 * You can create new Gutenberg panels by adding fields
	 * with the type 'header'. See the Checkout Elements for reference.
	 *
	 * @see inc/ui/class-checkout-element.php
	 *
	 * Return an empty array if you don't have controls to add.
	 *
	 * @since 2.0.0
	 * @return array
	 */
	public function fields() {

		$fields = array();

		$fields['header'] = array(
			'title' => __('General', 'wp-ultimo'),
			'desc'  => __('General', 'wp-ultimo'),
			'type'  => 'header',
		);

		$fields['title'] = array(
			'type'    => 'text',
			'title'   => __('Title', 'wp-ultimo'),
			'value'   => __('Invoices', 'wp-ultimo'),
			'desc'    => __('Leave blank to hide the title completely.', 'wp-ultimo'),
			'tooltip' => '',
		);

		$fields['limit'] = array(
			'type'    => 'int',
			'title'   => __('Limit', 'wp-ultimo'),
			'value'   => 10,
			'desc'    => __('Limit the number of invoices to show.', 'wp-ultimo'),
			'tooltip' => '',
		);

		return $fields;

	} // end fields;

	/**
	 * The list of keywords for this element.
	 *
	 * Return an array of strings with keywords describing this
	 * element. Gutenberg uses this to help customers find blocks.
	 *
	 * e.g.:
	 * return array(
	 *  'WP Ultimo',
	 *  'Invoices',
	 *  'Form',
	 *  'Cart',
	 * );
	 *
	 * @since 2.0.0
	 * @return array
	 */
	public function keywords() {

		return array(
			'WP Ultimo',
			'Invoices',
			'Form',
			'Cart',
		);

	} // end keywords;

	/**
	 * List of default parameters for the element.
	 *
	 * If you are planning to add controls using the fields,
	 * it might be a good idea to use this method to set defaults
	 * for the parameters you are expecting.
	 *
	 * These defaults will be used inside a 'wp_parse_args' call
	 * before passing the parameters down to the block render
	 * function and the shortcode render function.
	 *
	 * @since 2.0.0
	 * @return array
	 */
	public function defaults() {

		return array(
			'title' => __('Invoices', 'wp-ultimo'),
			'limit' => 0,
		);

	} // end defaults;

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

		wp_enqueue_script('wu-ajax-list-table');

	} // end register_scripts;

	/**
	 * Loads dependencies for the render.
	 *
	 * @since 2.0.0
	 * @return void
	 */
	public function dependencies() {

		if (!function_exists('convert_to_screen')) {

			require_once ABSPATH . 'wp-admin/includes/template.php';

		} // end if;

		if (!function_exists('get_column_headers')) {

			require_once ABSPATH . 'wp-admin/includes/class-wp-screen.php';
			require_once ABSPATH . 'wp-admin/includes/screen.php';

		} // end if;

		if (!function_exists('wu_responsive_table_row')) {

			require wu_path('/inc/functions/admin.php');

		} // end if;

	} // end dependencies;

	/**
	 * Runs early on the request lifecycle as soon as we detect the shortcode is present.
	 *
	 * @since 2.0.0
	 * @return void
	 */
	public function setup() {

		$this->membership = WP_Ultimo()->currents->get_membership();

		if (!$this->membership) {

			$this->set_display(false);

			return;

		} // end if;

	} // end setup;

	/**
	 * Allows the setup in the context of previews.
	 *
	 * @since 2.0.0
	 * @return void
	 */
	public function setup_preview() {

		$this->membership = wu_mock_membership();

	} // end setup_preview;

	/**
	 * The content to be output on the screen.
	 *
	 * Should return HTML markup to be used to display the block.
	 * This method is shared between the block render method and
	 * the shortcode implementation.
	 *
	 * @since 2.0.0
	 *
	 * @param array       $atts Parameters of the block/shortcode.
	 * @param string|null $content The content inside the shortcode.
	 * @return string
	 */
	public function output($atts, $content = null) {

		$atts['membership'] = $this->membership;

		return wu_get_template_contents('dashboard-widgets/invoices', $atts);

	} // end output;

} // end class Invoices_Element;