array( 'name' => "Sansita One", 'variant' => ''),
							array( 'name' => "Chivo", 'variant' => ''),
							array( 'name' => "Spinnaker", 'variant' => ''),
							array( 'name' => "Poller One", 'variant' => ''),
							array( 'name' => "Alike Angular", 'variant' => ''),
							array( 'name' => "Gochi Hand", 'variant' => ''),
							array( 'name' => "Poly", 'variant' => ''),
							array( 'name' => "Andada", 'variant' => ''),
							array( 'name' => "Federant", 'variant' => ''),
							array( 'name' => "Ubuntu Condensed", 'variant' => ''),
							array( 'name' => "Ubuntu Mono", 'variant' => ''),
							array( 'name' => "Sancreek", 'variant' => ''),
							array( 'name' => "Coda", 'variant' => ''),
							array( 'name' => "Rancho", 'variant' => ''),
							array( 'name' => "Satisfy", 'variant' => ''),
							array( 'name' => "Pinyon Script", 'variant' => ''),
							array( 'name' => "Vast Shadow", 'variant' => ''),
							array( 'name' => "Marck Script", 'variant' => ''),
							array( 'name' => "Salsa", 'variant' => ''),
							array( 'name' => "Amatic SC", 'variant' => ''),
							array( 'name' => "Quicksand", 'variant' => ''),
							array( 'name' => "Linden Hill", 'variant' => ''),
							array( 'name' => "Corben", 'variant' => ''),
							array( 'name' => "Creepster Caps", 'variant' => ''),
							array( 'name' => "Butcherman Caps", 'variant' => ''),
							array( 'name' => "Eater Caps", 'variant' => ''),
							array( 'name' => "Nosifer Caps", 'variant' => ''),
							array( 'name' => "Atomic Age", 'variant' => ''),
							array( 'name' => "Contrail One", 'variant' => ''),
							array( 'name' => "Jockey One", 'variant' => ''),
							array( 'name' => "Cabin Sketch", 'variant' => ':r,b'),
							array( 'name' => "Cabin Condensed", 'variant' => ':r,b'),
							array( 'name' => "Fjord One", 'variant' => ''),
							array( 'name' => "Rametto One", 'variant' => ''),
							array( 'name' => "Mate", 'variant' => ':r,i'),
							array( 'name' => "Mate SC", 'variant' => ''),
							array( 'name' => "Arapey", 'variant' => ':r,i'),
							array( 'name' => "Supermercado One", 'variant' => ''),
							array( 'name' => "Petrona", 'variant' => ''),
							array( 'name' => "Lancelot", 'variant' => ''),
							array( 'name' => "Convergence", 'variant' => ''),
							array( 'name' => "Cutive", 'variant' => ''),
							array( 'name' => "Karla", 'variant' => ':400,400italic,700,700italic'),
							array( 'name' => "Bitter", 'variant' => ':r,i,b'),
							array( 'name' => "Asap", 'variant' => ':400,700,400italic,700italic'),
							array( 'name' => "Bree Serif", 'variant' => '')

	);

	/*-----------------------------------------------------------------------------------*/
	/* Fonts Face Constructor */
	/*-----------------------------------------------------------------------------------*/
	public function __construct() {
		parent::__construct();

		if ( ! $this->is_load_google_fonts ) {
			$this->google_fonts = array();
			return;
		}

		// Enable Google Font API Key
		if ( isset( $_POST[ $this->google_api_key_option . '_enable' ] ) ) {
			$old_google_api_key_enable = get_option( $this->google_api_key_option . '_enable', 0 );

			update_option( $this->google_api_key_option . '_enable', 1 );

			$option_value = trim( sanitize_text_field( $_POST[ $this->google_api_key_option ] ) );

			$old_google_api_key_option = get_option( $this->google_api_key_option );

			if ( 1 != $old_google_api_key_enable || $option_value != $old_google_api_key_option ) {

				update_option( $this->google_api_key_option, $option_value );

				// Clear cached of google api key status
				delete_transient( $this->google_api_key_option . '_status' );
			}

		// Disable Google Font API Key
		} elseif ( isset( $_POST[ $this->google_api_key_option ] ) ) {
			$old_google_api_key_enable = get_option( $this->google_api_key_option . '_enable', 0 );

			update_option( $this->google_api_key_option . '_enable', 0 );

			$option_value = trim( sanitize_text_field( $_POST[ $this->google_api_key_option ] ) );
			update_option( $this->google_api_key_option, $option_value );

			if ( 0 != $old_google_api_key_enable ) {
				// Clear cached of google api key status
				delete_transient( $this->google_api_key_option . '_status' );
			}
		}

		if ( apply_filters( $this->plugin_name . '_new_google_fonts_enable', true ) ) {
			$this->is_valid_google_api_key();
			$google_fonts = get_option( $this->plugin_name . '_google_font_list', array() );
		} else {
			$google_fonts = array();
		}

		if ( ! is_array( $google_fonts ) || count( $google_fonts ) < 1 ) {
			$google_fonts = apply_filters( $this->plugin_name . '_google_fonts', $this->google_fonts );
		}

		sort( $google_fonts );

		$new_google_fonts = array();
		foreach ( $google_fonts as $row ) {
			$new_google_fonts[$row['name']]  = $row;
		}

		$this->google_fonts = $new_google_fonts;

	}

	public function is_valid_google_api_key( $cache=true ) {
		$is_valid = false;

		if ( ! $this->is_load_google_fonts ) {
			return false;
		}

		$this->google_api_key  = get_option( $this->google_api_key_option, '' );
		$google_api_key_enable = get_option( $this->google_api_key_option . '_enable', 0 );

		if ( '' != trim( $this->google_api_key ) && 1 == $google_api_key_enable ) {

			$google_api_key_status = get_transient( $this->google_api_key_option . '_status' );

			if ( ! $cache ) {
				$google_api_key_status = null;
			}

			if ( ! $google_api_key_status ) {
				$respone_api = wp_remote_get( "https://www.googleapis.com/webfonts/v1/webfonts?sort=alpha&key=" . trim( $this->google_api_key ),
					array(
						'sslverify' => false,
						'timeout'   => 45
					)
				);

				$font_list = array();
				$response_fonts = array();

				// Check it is a valid request
				if ( ! is_wp_error( $respone_api ) ) {

					$json_string = version_compare( PHP_VERSION, '7.4', '>=' ) || get_magic_quotes_gpc() ? stripslashes( $respone_api['body'] ) : $respone_api['body'];
					$response_fonts = json_decode( $json_string, true );

					// Make sure that the valid response from google is not an error message
					if ( ! isset( $response_fonts['error'] ) ) {
						$google_api_key_status = 'valid';
					} else {
						$google_api_key_status = 'invalid';
					}

				} else {
					$google_api_key_status = 'invalid';
				}

				// Get font list from default webfonts.json file of plugin
				if ( 'invalid' == $google_api_key_status && file_exists( $this->admin_plugin_dir() . '/assets/webfonts/webfonts.json' ) ) {
					$response = wp_remote_get( $this->admin_plugin_url() . '/assets/webfonts/webfonts.json', array( 'timeout' => 120 ) );
					$webfonts = wp_remote_retrieve_body( $response );
					if ( ! empty( $webfonts ) ) {
						$json_string = version_compare( PHP_VERSION, '7.4', '>=' ) || get_magic_quotes_gpc() ? stripslashes( $webfonts ) : $webfonts;
						$response_fonts = json_decode( $json_string, true );
					}
				}

				// Saving the font list to database for get later
				if ( is_array( $response_fonts )
					&& isset( $response_fonts['items'] )
					&& is_array( $response_fonts['items'] )
					&& count( $response_fonts['items'] ) > 0 ) {

					foreach ( $response_fonts['items'] as $font_item ) {
						$variants = '';
						$comma = '';
						foreach ( $font_item['variants'] as $variant ) {
							$variants .= $comma . trim( $variant );
							$comma = ',';
						}
						if ( '' != trim( $variants ) ) {
							$variants = ':' . $variants;
						}

						$font_list[] = array( 'name' => trim( $font_item['family'] ), 'variant' => $variants );
					}
				}

				update_option( $this->plugin_name . '_google_font_list', $font_list );

				//caching google api status for 24 hours
				set_transient( $this->google_api_key_option . '_status', $google_api_key_status, 86400 );
			}

			if ( 'valid' == $google_api_key_status ) {
				$is_valid = true;
			}

		} else {

			$google_api_key_status = get_transient( $this->google_api_key_option . '_status' );

			if ( ! $cache ) {
				$google_api_key_status = null;
			}

			if ( ! $google_api_key_status ) {

				$font_list = array();
				$response_fonts = array();

				// Get font list from default webfonts.json file of plugin
				if ( file_exists( $this->admin_plugin_dir() . '/assets/webfonts/webfonts.json' ) ) {
					$response = wp_remote_get( $this->admin_plugin_url() . '/assets/webfonts/webfonts.json', array( 'timeout' => 120 ) );
					$webfonts = wp_remote_retrieve_body( $response );
					if ( ! empty( $webfonts ) ) {
						$json_string = version_compare( PHP_VERSION, '7.4', '>=' ) || get_magic_quotes_gpc() ? stripslashes( $webfonts ) : $webfonts;
						$response_fonts = json_decode( $json_string, true );
					}
				}

				// Saving the font list to database for get later
				if ( is_array( $response_fonts )
					&& isset( $response_fonts['items'] )
					&& is_array( $response_fonts['items'] )
					&& count( $response_fonts['items'] ) > 0 ) {

					foreach ( $response_fonts['items'] as $font_item ) {
						$variants = '';
						$comma = '';
						foreach ( $font_item['variants'] as $variant ) {
							$variants .= $comma . trim( $variant );
							$comma = ',';
						}
						if ( '' != trim( $variants ) ) {
							$variants = ':' . $variants;
						}

						$font_list[] = array( 'name' => trim( $font_item['family'] ), 'variant' => $variants );
					}
				}

				update_option( $this->plugin_name . '_google_font_list', $font_list );

				//caching google api status for 24 hours
				set_transient( $this->google_api_key_option . '_status', 'invalid', 86400 );

			}
		}

		return $is_valid;
	}

	/*-----------------------------------------------------------------------------------*/
	/* Get Window Default Fonts */
	/*-----------------------------------------------------------------------------------*/
	public function get_default_fonts() {
		$default_fonts = apply_filters( $this->plugin_name . '_default_fonts', $this->default_fonts );

		asort( $default_fonts );

		return $default_fonts;
	}

	/*-----------------------------------------------------------------------------------*/
	/* Get Google Fonts */
	/*-----------------------------------------------------------------------------------*/
	public function get_google_fonts() {

		return $this->google_fonts;
	}

	/*-----------------------------------------------------------------------------------*/
	/* generate_font_css() */
	/* Generate font CSS for frontend */
	/*-----------------------------------------------------------------------------------*/
	public function generate_font_css( $option, $em = '1.2' ) {
		$google_fonts = $this->get_google_fonts();

		if ( array_key_exists( $option['face'], $google_fonts ) ) {
			$option['face'] = "'" . $option['face'] . "', arial, sans-serif";
		}

		$line_height = '1.4em';
        if( isset( $option['line_height'] ) ){
            $line_height = $option['line_height'];
        }

		if ( !@$option['style'] && !@$option['size'] && !@$option['color'] )
			return 'font-family: '.stripslashes($option["face"]).' !important;';
		else
			return 'font:'.$option['style'].' '.$option['size'].'/' . $line_height . ' ' .stripslashes($option['face']).' !important; color:'.$option['color'].' !important;';
	}


	/*-----------------------------------------------------------------------------------*/
	/* Google Webfonts Stylesheet Generator */
	/*-----------------------------------------------------------------------------------*/
	/*
	INSTRUCTIONS: Needs to be loaded for the Google Fonts options to work for font options.

	add_action( 'wp_head', array( $this, 'generate_google_webfonts' ) );
	*/
	public function generate_google_webfonts( $my_google_fonts = array(), $echo = true ) {
		$google_fonts = $this->get_google_fonts();

		$fonts = '';
		$output = '';

		// Go through the options
		if ( is_array( $my_google_fonts ) ) {
			foreach ( $my_google_fonts as $font_face ) {
				// Check if the google font name exists in the current "face" option
				if ( array_key_exists( $font_face, $google_fonts ) && !strstr( $fonts, $font_face ) ) {
					$fonts .= $google_fonts[$font_face]['name'].$google_fonts[$font_face]['variant']."|";
				}
			} // End Foreach Loop

			// Output google font css in header
			if ( trim( $fonts ) != '' ) {
				$fonts = str_replace( " ","+",$fonts);
				$output .= "\n<!-- Google Webfonts -->\n";
				$output .= '<link href="http'. ( is_ssl() ? 's' : '' ) .'://fonts.googleapis.com/css?family=' . $fonts .'" rel="stylesheet" type="text/css" />'."\n";
				$output = str_replace( '|"','"',$output);
			}
		}

		if ( $echo )
			echo $output;
		else
			return $output;

	} // End generate_google_webfonts()

}

}