<?php namespace EmailLog\Core\UI\Component;

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

/**
 * Enhance Admin UI and add links about EmailLog in the following places.
 * - Plugin List page.
 * - Footer for all EmailLog pages.
 *
 * @since 2.0.0
 */
class AdminUIEnhancer {

	/**
	 * Plugin file name.
	 *
	 * @var string
	 */
	protected $plugin_file;

	/**
	 * Plugin basename.
	 *
	 * @var string
	 */
	protected $plugin_basename;

	/**
	 * Initialize the component and store the plugin basename.
	 *
	 * @param string|null $file Plugin file.
	 */
	public function __construct( $file = null ) {
		if ( null === $file ) {
			$email_log = email_log();
			$file      = $email_log->get_plugin_file();
		}

		$this->plugin_file     = $file;
		$this->plugin_basename = plugin_basename( $file );
	}

	/**
	 * Setup hooks.
	 *
	 *
	 */
	public function load() {
		add_filter( 'plugin_row_meta', array( $this, 'insert_addon_store_link' ), 10, 2 );
		add_filter( 'plugin_action_links_' . $this->plugin_basename, array( $this, 'insert_view_logs_link' ) );

		add_action( 'el_admin_footer', array( $this, 'hook_footer_links' ) );
	}

	/**
	 * Add link to Add-ons store.
	 *
	 * @see  Additional links in the Plugin listing is based on
	 * @link http://zourbuth.com/archives/751/creating-additional-wordpress-plugin-links-row-meta/
	 *
	 * @param array  $links Array with default links to display in plugins page.
	 * @param string $file  The name of the plugin file.
	 *
	 * @return array Modified list of links to display in plugins page.
	 */
	public function insert_addon_store_link( $links, $file ) {
		if ( $file === $this->plugin_basename ) {
			$links[] = '<a href="https://wpemaillog.com/store/?utm_campaign=Upsell&utm_medium=wpadmin&utm_source=plugin-page" rel="noopener" target="_blank">' .
			           __( 'Buy Addons', 'email-log' ) . '</a>';
		}

		return $links;
	}

	/**
	 * Add link to 'View logs' page in plugin listing page.
	 *
	 * @since 2.3.0 Added Settings link.
	 *
	 * @param array $links List of links.
	 *
	 * @return array Modified list of links.
	 */
	public function insert_view_logs_link( $links ) {
		$view_logs_link = '<a href="admin.php?page=email-log">' . __( 'View Logs', 'email-log' ) . '</a>';
		$settings_link  = '<a href="admin.php?page=email-log-settings">' . __( 'Settings', 'email-log' ) . '</a>';
		array_unshift( $links, $view_logs_link, $settings_link );

		return $links;
	}

	/**
	 * Hook Footer links.
	 */
	public function hook_footer_links() {
		add_action( 'in_admin_footer', array( $this, 'add_credit_links' ) );
	}

	/**
	 * Adds Footer links.
	 *
	 * @since Genesis
	 * @see   Function relied on
	 * @link  http://striderweb.com/nerdaphernalia/2008/06/give-your-wordpress-plugin-credit/
	 */
	public function add_credit_links() {
		$plugin_data = get_plugin_data( $this->plugin_file );
		printf(
			'%1$s ' . __( 'plugin', 'email-log' ) . ' | ' . __( 'Version', 'email-log' ) . ' %2$s | ' . __( 'by', 'email-log' ) . ' %3$s<br />',
			$plugin_data['Title'],
			$plugin_data['Version'],
			$plugin_data['Author']
		);
	}
}