<?php

/**
 * 1984 Hosting Support UI class
 *
 * @package HostingSupport1984
 * @license https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html GNU General Public License v2.0
 *
 * This is where we add the "1984 Hosting Support" widget to the wp-admin
 * dashboard.
 *
 * We also plan to use this file to add more widgets and views to the wp-admin
 * interface for support and configuration options.
 *
 * Feel free to remove this file if you don't intend to use the 1984/HostingSupport1984
 * user interface additions.
 */
class HostingSupport1984UI {
	const VIEWS_DIR = './views/';

	/**
	 * Build a new HostingSupport1984UI object
	 */
	public function __construct() {
		// Add the 1984 Support Information dashboard widget.
		add_action(
			'wp_dashboard_setup',
			array(
				$this,
				'add_dashboard_widget',
			)
		);

		// Enqueue the admin JS and CSS.
		add_action(
			'admin_enqueue_scripts',
			array(
				$this,
				'enqueue_admin_scripts',
			)
		);
	}

	/**
	 * Add the 1984 Hosting dashboard widget.
	 */
	public function add_dashboard_widget() {
		wp_add_dashboard_widget(
			'1984_hosting_support_widget',
			__( '1984 Hosting Support', 'hostingsupport1984' ),
			array(
				$this,
				'render_dashboard_widget',
			)
		);
	}

	/**
	 * Render the 1984 Hosting dashboard widget.
	 */
	public function render_dashboard_widget() {
		$this->render_view( 'support-dashboard-widget.php' );
	}

	/**
	 * Render a view
	 *
	 * @param String  $view_file  The filename of the view to render.
	 * @param Boolean $admin_only Only display the view to users with the manage_options capability.
	 *
	 * @return Boolean True if the user has access to the view. False if not.
	 */
	public function render_view( string $view_file, bool $admin_only = true ): bool {
		if (
			true === $admin_only && current_user_can( 'manage_options' ) ||
			false === $admin_only
		) {
			require self::view_path( $view_file );

			return true;
		}

		return false;
	}

	/**
	 * Get full file path for a view
	 *
	 * @param String $view_file The view file name.
	 *
	 * @return String            The path.
	 */
	private function view_path( string $view_file ): string {
		return plugin_dir_path( __FILE__ ) . self::VIEWS_DIR . $view_file;
	}

	/**
	 * Enqueue the 1984 wp-admin scripts
	 */
	public function enqueue_admin_scripts() {
		wp_enqueue_script(
			'1984-hosting-support-admin',
			plugins_url(
				'js/1984-hosting-support.js',
				__FILE__
			),
			array(),
			HostingSupport1984::HOSTING_SUPPORT_VERSION,
			true
		);
		wp_enqueue_style(
			'1984-hosting-support-admin',
			plugins_url(
				'style/1984-hosting-support.css',
				__FILE__
			),
			array(),
			HostingSupport1984::HOSTING_SUPPORT_VERSION,
			false
		);
	}

	/**
	 * Check if the user can see the 1984 admin panel
	 *
	 * @return bool [type] [description]
	 */
	private function current_user_can_view_admin_panel(): bool {
		return ( true === current_user_can( 'manage_options' ) );
	}
}

$hosting_support_1984_ui = new HostingSupport1984UI();