class Tribe__Tickets__Status__Manager {

	/**
	 * Initial Active Modules using Plugin Names
	 *
	 * @var array
	 */
	public $initial_active_modules;

	/**
	 * Active Modules Slugs
	 *
	 * @var array
	 */
	protected $module_slugs = [
		'Tribe__Tickets_Plus__Commerce__EDD__Main'         => 'edd',
		'Tribe__Tickets__RSVP'                             => 'rsvp',
		'Tribe__Tickets__Commerce__PayPal__Main'           => 'tpp',
		'Tribe__Tickets_Plus__Commerce__WooCommerce__Main' => 'woo',
	];
	/**
	 * Active Modules
	 *
	 * @var array
	 */
	protected $active_modules;

	/**
	 * An array of status objects for WooCommerce Tickets
	 *
	 * @var array
	 */
	protected $status_managers = [
		'edd'  => 'Tribe__Tickets_Plus__Commerce__EDD__Status_Manager',
		'rsvp' => 'Tribe__Tickets__RSVP__Status_Manager',
		'tpp' => 'Tribe__Tickets__Commerce__PayPal__Status_Manager',
		'woo'  => 'Tribe__Tickets_Plus__Commerce__WooCommerce__Status_Manager',
	];


	/**
	 * An array of status objects for all active commerces
	 *
	 * @var array
	 */
	protected $statuses = [];


	/**
	 * Get (and instantiate, if necessary) the instance of the class
	 *
	 * @since 4.10
	 *
	 * @static
	 * @return Tribe__Tickets__Status__Manager
	 */
	public static function get_instance() {
		return tribe( 'tickets.status' );
	}


	/**
	 * Hook
	 *
	 * @since 4.10
	 *
	 */
	public function hook() {
		add_action( 'init', [ $this, 'setup' ] );
	}

	/**
	 * Setup the Manager Class
	 *
	 * @since 4.10
	 *
	 */
	public function setup() {
		$this->initial_active_modules = Tribe__Tickets__Tickets::modules();
		$this->convert_initial_active_modules();
		$this->get_statuses_by_provider();
	}

	/**
	 * Convert Name of Active Modules to slugs
	 *
	 * @since 4.10
	 *
	 */
	protected function convert_initial_active_modules() {

		foreach ( $this->initial_active_modules as $module_class => $module_name ) {
			if ( isset( $this->module_slugs[ $module_class ] ) ) {
				$this->active_modules[ $module_class ] = $this->module_slugs[ $module_class ];
			}
		}

	}

	/**
	 * Check if the Name of the Class was Provided and Convert to Abbreviation
	 *
	 * @since 4.10.5
	 *
	 */
	protected function check_for_full_provider_name( $provider ) {

		// if abbreviated then return it back
		if ( strlen( $provider ) <= 4 ) {
			return $provider;
		}

		// if the provider is not found return
		if ( ! isset( $this->module_slugs[ $provider ] ) ) {
			return false;
		}

		return $this->module_slugs[ $provider ];

	}

	/**
	 * Get the statuses for each provider that is active and has a manager
	 *
	 * @since 4.10
	 *
	 */
	protected function get_statuses_by_provider() {

		$status_managers = $this->get_status_managers();

		if ( ! is_array( $this->active_modules ) ) {
			return;
		}

		foreach ( $this->active_modules as $module_class => $module_name ) {

			if ( ! isset( $status_managers[ $module_name ] ) || ! class_exists( $status_managers[ $module_name ] ) ) {
				continue;
			}

			$status_class                   = $status_managers[ $module_name ];
			$this->statuses[ $module_name ] = new $status_class();
		}

	}

	/**
	 * Get the Active Modules
	 *
	 * @since 4.10
	 *
	 * @return array
	 */
	public function get_active_modules() {
		$this->convert_initial_active_modules();

		return $this->active_modules;
	}

	/**
	 * Get the Status Manager Array
	 *
	 * @since 4.10
	 *
	 * @return array
	 */
	public function get_status_managers() {
		return $this->status_managers;
	}

	/**
	 * Get the Trigger Status for Ticket Generation or Sending for a given eCommerce
	 *
	 * @since 4.10
	 *
	 * @param $commerce string a string of the Commerce System to get statuses from
	 *
	 * @return array an array of the commerce's statuses and name matching the provide action
	 */
	public function get_trigger_statuses( $commerce ) {

		$trigger_statuses = [];

		$commerce = $this->check_for_full_provider_name( $commerce );

		if ( ! isset( $this->statuses[ $commerce ]->statuses ) ) {
			return $trigger_statuses;
		}

		$filtered_statuses = wp_list_filter( $this->statuses[ $commerce ]->statuses, [
			'trigger_option' => true,
		] );

		foreach ( $filtered_statuses as $status ) {
			$trigger_statuses[ $status->provider_name ] = $status->name;
		}

		return $trigger_statuses;

	}

	/**
	 * Return an array of Statuses for an action with the provider Commerce
	 *
	 * @since 4.10
	 * @since 4.10.5 - add nicename parameter
	 *
	 * @param $action   string a string of the action to filter
	 * @param $commerce string a string of the Commerce System to get statuses from
	 * @param $operator string a string of the default 'AND', 'OR', 'NOT' to change the criteria
	 * @param $nicename bool a boolean of whether to return the name of the status
	 *
	 * @return array an array of the commerce's statuses matching the provide action
	 */
	public function get_statuses_by_action( $action, $commerce, $operator = 'AND', $nicename = false ) {

		$trigger_statuses = [];

		$commerce = $this->check_for_full_provider_name( $commerce );

		if ( ! isset( $this->statuses[ $commerce ]->statuses ) ) {
			return $trigger_statuses;
		}

		if ( 'all' === $action ) {
			$filtered_statuses = $this->statuses[ $commerce ]->statuses;
		} elseif ( is_array( $action ) ) {
			$criteria = [];
			foreach ( $action as $name ) {
				$criteria[ $name ] = true;
			}
			$filtered_statuses = wp_list_filter( $this->statuses[ $commerce ]->statuses, $criteria, $operator );
		} else {
			$filtered_statuses = wp_list_filter( $this->statuses[ $commerce ]->statuses, [
				$action => true,
			] );
		}

		foreach ( $filtered_statuses as $status ) {

			// if nicename is true then only return that name for a given status
			if ( $nicename ) {
				$trigger_statuses[] = $status->name;
				continue;
			}

			$trigger_statuses[] = $status->provider_name;

			if ( ! empty( $status->additional_names ) ) {
				$trigger_statuses = $this->add_additional_names_to_array( $trigger_statuses, $status->additional_names );
			}
		}

		return $trigger_statuses;

	}

	/**
	 * Return an array of Statuses for a provider Commerce
	 *
	 * @since 4.10
	 *
	 * @param $commerce string a string of the Commerce System to get statuses from
	 *
	 * @return array an array of the commerce's statuses
	 */
	public function get_all_provider_statuses( $commerce ) {

		$trigger_statuses = [];

		$commerce = $this->check_for_full_provider_name( $commerce );

		if ( ! isset( $this->statuses[ $commerce ]->statuses ) ) {
			return $trigger_statuses;
		}

		return $this->statuses[ $commerce ]->statuses;

	}

	/**
	 * Return an array of Statuses for a Commerce with label and stock attributes
	 *
	 * @since 4.10
	 *
	 * @param $commerce string a string of the Commerce System to get statuses from
	 *
	 * @return array an array of statues with label and stock attributes
	 */
	public function get_status_options( $commerce ) {

		static $status_options;

		$commerce = $this->check_for_full_provider_name( $commerce );

		if ( ! isset( $this->statuses[ $commerce ]->statuses ) ) {
			return [];
		}

		if ( ! empty( $status_options[ $commerce ] ) ) {
			return $status_options[ $commerce ];
		}

		$filtered_statuses = $this->statuses[ $commerce ]->statuses;

		foreach ( $filtered_statuses as $status ) {
			$status_options[ $commerce ][ $status->provider_name ] = [
				'label'             => __( $status->name, 'event-tickets' ),
				'decrease_stock_by' => empty( $status->count_completed ) ? 0 : 1,
			];
		}

		return $status_options[ $commerce ];

	}

	/**
	 * Get all the Status Classes for a given Commerce
	 *
	 * @since 4.10
	 *
	 * @param $commerce string a string of the Commerce System to get statuses from
	 *
	 * @return
	 */
	public function get_providers_status_classes( $commerce ) {

		$commerce = $this->check_for_full_provider_name( $commerce );

		if ( ! isset( $this->statuses[ $commerce ] ) ) {
			return [];
		}

		return $this->statuses[ $commerce ];

	}

	/**
	 * Get the Completed Status by Commerce Provider Class Name
	 *
	 * @since 4.10.5
	 *
	 * @param string|object $provider_name an object or string of a commerce main class name
	 *
	 * @return array
	 */
	public function get_completed_status_by_provider_name( $provider_name ) {

		if ( is_object( $provider_name ) ) {
			$provider_name = get_class( $provider_name );
		}

		$abbreviated_name = $this->check_for_full_provider_name( $provider_name );

		$filtered_statuses = wp_list_filter( $this->statuses[ $abbreviated_name ]->statuses, [
			'count_completed' => true,
		] );


		foreach ( $filtered_statuses as $status ) {
			$trigger_statuses[] = $status->provider_name;

			if ( ! empty( $status->additional_names ) ) {
				$trigger_statuses = $this->add_additional_names_to_array( $trigger_statuses, $status->additional_names );
			}

		}


		return $trigger_statuses;

	}

	/**
	 * Add addition names a status might be known as
	 *
	 * @since 4.10.5
	 *
	 * @param array $trigger_statuses an array of statues
	 * @param array $additional_names an array of additional names a status might be known as
	 *
	 * @return array an array of trigger statuses
	 */
	protected function add_additional_names_to_array( $trigger_statuses, $additional_names ) {

		foreach ( $additional_names as $name ) {
			$trigger_statuses[] = $name;
		}

		return $trigger_statuses;

	}
}