class ANON_WP_VIEWPOSTTYPE {

	/**
	 * Integration code
	 * @var string
	 */
	public static $integration = 'WP';

	private $trigger_code;
	private $trigger_meta;

	/**
	 * Set up Automator trigger constructor.
	 */
	public function __construct() {
		$this->trigger_code = 'WPVIEWPOSTTYPE';
		$this->trigger_meta = 'WPPOSTTYPES';
		if ( is_admin() ) {
			add_action( 'wp_loaded', array( $this, 'plugins_loaded' ), 99 );
		} else {
			$this->define_trigger();
		}
	}

	/**
	 *
	 */
	public function plugins_loaded() {
		$this->define_trigger();
	}


	/**
	 * @throws \Exception
	 */
	public function define_trigger() {
		$trigger = array(
			'author'              => Automator()->get_author_name( $this->trigger_code ),
			'support_link'        => Automator()->get_author_support_link( $this->trigger_code, 'integration/wordpress-core/' ),
			'integration'         => self::$integration,
			'code'                => $this->trigger_code,
			/* translators: Logged-in trigger - WordPress */
			'sentence'            => sprintf( esc_attr__( 'A {{specific type of post:%1$s}} is viewed', 'uncanny-automator' ), $this->trigger_meta ),
			/* translators: Logged-in trigger - WordPress */
			'select_option_name'  => esc_attr__( 'A {{specific type of post}} is viewed', 'uncanny-automator' ),
			'action'              => 'template_redirect',
			'priority'            => 90,
			'accepted_args'       => 1,
			'type'                => 'anonymous',
			'validation_function' => array( $this, 'view_post_type' ),
			// very last call in WP, we need to make sure they viewed the post and didn't skip before is was fully viewable
			'options'             => [
				Automator()->helpers->recipe->wp->options->all_wp_post_types( null, $this->trigger_meta,
					array(
						'relevant_tokens' => array(
							'WPPOST'      => __( 'Post title', 'uncanny-automator' ),
							'WPPOST_ID'   => __( 'Post ID', 'uncanny-automator' ),
							'WPPOST_URL'  => __( 'Post URL', 'uncanny-automator' ),
							'WPPOSTTYPES' => __( 'Post type', 'uncanny-automator' ),
						)
					) ),
			],
		);

		Automator()->register->trigger( $trigger );

		return;
	}

	/**
	 *
	 */
	public function view_post_type() {
		global $post;

		$user_id            = get_current_user_id();
		$recipes            = Automator()->get->recipes_from_trigger_code( $this->trigger_code );
		$required_post_type = Automator()->get->meta_from_recipes( $recipes, $this->trigger_meta );
		$matched_recipe_ids = [];

		foreach ( $recipes as $recipe_id => $recipe ) {
			foreach ( $recipe['triggers'] as $trigger ) {
				$trigger_id = $trigger['ID'];
				if ( ! isset( $required_post_type[ $recipe_id ] ) ) {
					continue;
				}
				if ( ! isset( $required_post_type[ $recipe_id ][ $trigger_id ] ) ) {
					continue;
				}

				//Add where option is set to Any post type
				if ( - 1 === intval( $required_post_type[ $recipe_id ][ $trigger_id ] )
				     || $required_post_type[ $recipe_id ][ $trigger_id ] === $post->post_type ) {
					$matched_recipe_ids[] = [
						'recipe_id'  => $recipe_id,
						'trigger_id' => $trigger_id,
					];
					break;
				}
			}
		}

		if ( ! empty( $matched_recipe_ids ) ) {
			foreach ( $matched_recipe_ids as $matched_recipe_id ) {
				$pass_args = [
					'code'             => $this->trigger_code,
					'meta'             => $this->trigger_meta,
					'user_id'          => $user_id,
					'recipe_to_match'  => $matched_recipe_id['recipe_id'],
					'trigger_to_match' => $matched_recipe_id['trigger_id'],
					'ignore_post_id'   => true,
				];

				$args = Automator()->process->user->maybe_add_trigger_entry( $pass_args, false );
				if ( $args ) {
					foreach ( $args as $result ) {
						if ( true === $result['result'] ) {
							$trigger_meta = [
								'user_id'        => (int) $user_id,
								'trigger_id'     => $result['args']['trigger_id'],
								'trigger_log_id' => $result['args']['get_trigger_id'],
								'run_number'     => $result['args']['run_number'],
							];

							$trigger_meta['meta_key']   = 'WPPOST';
							$trigger_meta['meta_value'] = maybe_serialize( $post->post_title );
							Automator()->insert_trigger_meta( $trigger_meta );

							$trigger_meta['meta_key']   = 'WPPOSTTYPES';
							$trigger_meta['meta_value'] = maybe_serialize( $post->post_type );
							Automator()->insert_trigger_meta( $trigger_meta );

							$trigger_meta['meta_key']   = 'WPPOST_ID';
							$trigger_meta['meta_value'] = maybe_serialize( $post->ID );
							Automator()->insert_trigger_meta( $trigger_meta );

							$trigger_meta['meta_key']   = 'WPPOST_URL';
							$trigger_meta['meta_value'] = maybe_serialize( get_post_permalink( $post->ID ) );
							Automator()->insert_trigger_meta( $trigger_meta );

							Automator()->process->user->maybe_trigger_complete( $result['args'] );
						}
					}
				}
			}

		}
	}
}