<?php

/**
 * Class Otter_Blocks
 *
 * Otter Blocks class to initilize Guterberg Blocks.
 */
class Otter_Blocks {

	/**
	 * Otter_Blocks class instance.
	 *
	 * @since   1.0.0
	 * @access  public
	 * @var Otter_Blocks
	 */
	public static $instance = null;

	/**
	 * Otter_Blocks constructor.
	 *
	 * @since   1.0.0
	 * @access  public
	 */
	public function __construct() {
		$this->name           = __( 'Otter', 'otter-blocks' );
		$this->description    = __( 'Blocks for Gutenberg', 'otter-blocks' );
	}

	/**
	 * Method to define hooks needed.
	 *
	 * @since   1.0.0
	 * @access  public
	 */
	public function init() {
		add_action( 'enqueue_block_assets', array( $this, 'enqueue_block_assets' ) );
		add_action( 'init', array( $this, 'load_gutenberg_blocks' ) );
		add_action( 'admin_menu', array( $this, 'register_menu_page' ) );
		add_action( 'init', array( $this, 'register_settings' ), 99 );
		add_action( 'admin_init', array( $this, 'maybe_redirect' ) );
	}

	/**
	 * Load assets for our blocks.
	 *
	 * @since   1.0.0
	 * @access  public
	 */
	public function enqueue_block_assets() {
		if ( is_admin() || has_block( 'themeisle-blocks/button-group' ) || has_block( 'themeisle-blocks/font-awesome-icons' ) || has_block( 'themeisle-blocks/sharing-icons' ) || has_block( 'themeisle-blocks/plugin-cards' ) || has_block( 'block' ) ) {
			wp_enqueue_style( 'font-awesome-5', plugins_url( 'assets/fontawesome/css/all.min.css', __FILE__ ) );
			wp_enqueue_style( 'font-awesome-4-shims', plugins_url( 'assets/fontawesome/css/v4-shims.min.css', __FILE__ ) );
		}
	}

	/**
	 * Load Gutenberg Blocks
	 *
	 * @since   1.0.0
	 * @access  public
	 */
	public function load_gutenberg_blocks() {
		load_plugin_textdomain( 'otter-blocks', false, basename( dirname( __FILE__ ) ) . '/languages' );

		if ( class_exists( '\ThemeIsle\GutenbergBlocks' ) ) {
			\ThemeIsle\GutenbergBlocks::instance( $this->name );
		}

		if ( class_exists( '\ThemeIsle\GutenbergCSS' ) && get_option( 'themeisle_blocks_settings_css_module', true ) ) {
			\ThemeIsle\GutenbergCSS::instance();
		}

		if ( class_exists( '\ThemeIsle\GutenbergAnimation' ) && get_option( 'themeisle_blocks_settings_blocks_animation', true ) ) {
			\ThemeIsle\GutenbergAnimation::instance();
		}
	}

	/**
	 * Register Admin Page
	 *
	 * @since   1.2.0
	 * @access  public
	 */
	public function register_menu_page() {
		$page_hook_suffix = add_options_page(
			__( 'Otter', 'otter-blocks' ),
			__( 'Otter', 'otter-blocks' ),
			'manage_options',
			'otter',
			array( $this, 'menu_callback' )
		);

		add_action( "admin_print_scripts-{$page_hook_suffix}", array( $this, 'enqueue_options_assets' ) );
	}

	/**
	 * Register Settings
	 *
	 * @since   1.2.0
	 * @access  public
	 */
	public function register_settings() {
		register_setting(
			'themeisle_blocks_settings',
			'themeisle_blocks_settings_redirect',
			array(
				'type'              => 'boolean',
				'description'       => __( 'Redirect on new install.', 'otter-blocks' ),
				'show_in_rest'      => true,
				'default'           => true,
			)
		);

		register_setting(
			'themeisle_blocks_settings',
			'themeisle_blocks_settings_tour',
			array(
				'type'              => 'boolean',
				'description'       => __( 'Show tour for Otter.', 'otter-blocks' ),
				'show_in_rest'      => true,
				'default'           => true,
			)
		);

		register_setting(
			'themeisle_blocks_settings',
			'themeisle_blocks_settings_css_module',
			array(
				'type'              => 'boolean',
				'description'       => __( 'Custom CSS module allows to add custom CSS to each block in Block Editor.', 'otter-blocks' ),
				'show_in_rest'      => true,
				'default'           => true,
			)
		);

		register_setting(
			'themeisle_blocks_settings',
			'themeisle_blocks_settings_blocks_animation',
			array(
				'type'              => 'boolean',
				'description'       => __( 'Blocks Animation module allows to add CSS animations to each block in Block Editor.', 'otter-blocks' ),
				'show_in_rest'      => true,
				'default'           => true,
			)
		);
	}

	/**
	 * Load assets for option page.
	 *
	 * @since   1.2.0
	 * @access  public
	 */
	public function enqueue_options_assets() {
		if ( OTTER_BLOCKS_DEV ) {
			$version = time();
		} else {
			$version = OTTER_BLOCKS_VERSION;
		}

		$tour = get_option( 'themeisle_blocks_settings_tour' );

		wp_enqueue_style(
			'otter-blocks-styles',
			plugins_url( 'build/build.css', __FILE__ ),
			array( 'wp-components' )
		);

		wp_enqueue_script(
			'otter-blocks-scripts',
			plugins_url( 'build/build.js', __FILE__ ),
			array( 'react', 'react-dom', 'wp-i18n', 'wp-api', 'wp-components', 'wp-element' ),
			$version,
			true
		);

		wp_localize_script(
			'otter-blocks-scripts', 'otterObj', array(
				'version' => OTTER_BLOCKS_VERSION,
				'assetsPath' => plugins_url( 'assets/', __FILE__ ),
				'showTour' => $tour,
			)
		);
	}

	/**
	 * Register Admin Page
	 *
	 * @since   1.2.0
	 * @access  public
	 */
	public function menu_callback() {
		echo '<div id="otter"></div>';
	}

	/**
	 * Maybe redirect to dashboard page.
	 *
	 * @since   1.2.0
	 * @access  public
	 */
	public function maybe_redirect() {
		if ( ! get_option( 'themeisle_blocks_settings_redirect' ) ) {
			return;
		}

		if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			return;
		}

		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
			return;
		}

		if ( ! get_option( 'themeisle_blocks_settings_tour' ) ) {
			return;
		}

		update_option( 'themeisle_blocks_settings_redirect', false );
		wp_safe_redirect( admin_url( 'options-general.php?page=otter' ) );
		exit;
	}

	/**
	 * Instance Otter Blocks class.
	 *
	 * @static
	 * @since 1.0.0
	 * @access public
	 * @return Otter_Blocks
	 */
	public static function instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
			self::$instance->init();
		}
		return self::$instance;
	}

	/**
	 * Throw error on object clone
	 *
	 * The whole idea of the singleton design pattern is that there is a single
	 * object therefore, we don't want the object to be cloned.
	 *
	 * @access public
	 * @since 1.0.0
	 * @return void
	 */
	public function __clone() {
		// Cloning instances of the class is forbidden.
		_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin&#8217; huh?', 'otter-blocks' ), '1.0.0' );
	}

	/**
	 * Disable unserializing of the class
	 *
	 * @access public
	 * @since 1.0.0
	 * @return void
	 */
	public function __wakeup() {
		// Unserializing instances of the class is forbidden.
		_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin&#8217; huh?', 'otter-blocks' ), '1.0.0' );
	}

}