/*
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|   __ \     |_|    ___|_     _|   |   |       |   __ \   _   |
|    __/       |    ___| |   | |       |   -   |      <       |
|___|  |_______|_______| |___| |___|___|_______|___|__|___|___|

P L E T H O R A T H E M E S . C O M                    (c) 2019

File Description: Theme Functions file

*/

if ( ! defined( 'ABSPATH' ) ) exit; // NO DIRECT ACCESS

class Plethora_Setup {

    public $theme_slug;         // THEME SLUG
    public $theme_name;         // THEME NAME
    public $theme_ver;          // THEME VERSION
    public $theme_plugins;      // THEME REQUIRED/RECOMMENDED PLUGINS

    function __construct() {

        // Theme Info
        $parent_dir_name = basename( dirname( __FILE__ ) ); // covers possible directory name change
        $theme = wp_get_theme( $parent_dir_name );          // always get info by parent theme directory name
        $this->theme_slug    = $theme->get( 'TextDomain' );
        $this->theme_name    = $theme->get( 'Name' );
        $this->theme_ver     = $theme->get( 'Version' );

        // Theme required / suggested plugins
        $this->theme_plugins = array(
                'plethora-featureslib' => array( 'version' => '1.7.2' ),
                'js_composer'          => array( 'version' => '6.1' ),
                'contact-form-7'       => array( 'version' => '4.3' ),
                'envato-market'        => array( 'version' => '2.0.1' ),
        );

        // Core DIRs
        define( 'PLE_THEME_DIR',              get_template_directory() );           // Theme folder
        define( 'PLE_THEME_INCLUDES_DIR',     PLE_THEME_DIR . '/includes' );            // Theme includes folder
        // Core URIs
        define( 'PLE_THEME_URI',              get_template_directory_uri() );       // Theme folder
        define( 'PLE_THEME_INCLUDES_URI',     PLE_THEME_URI . '/includes' );            // Theme includes folder

        // Perform some PHP version diagnostics check before anything else
        $php_version_approved = $this->approve_php_version();

        // Instantiate the theme class, if Plethora Framework is installed and PHP version diagnostics are fine
        if ( $php_version_approved ) {

            # Load Core, Plethora_Theme extension class and TGM class
            require_once( PLE_THEME_INCLUDES_DIR . '/core/helpers/plethora-tgm.php' );
            require_once( PLE_THEME_INCLUDES_DIR . '/core/plethora.php' );
            require_once( PLE_THEME_INCLUDES_DIR . '/theme.php' );


            # Create the theme class
            global $plethora_theme;
            $plethora_theme = new Plethora_Theme( $this->theme_slug, $this->theme_name, $this->theme_ver );

            # TGM configuration
            add_action( 'tgmpa_register', array( $this, 'tgm_init' ) );

            # Tasks performed after theme update
            $this->after_update();

            # Theme adjustments if the library plugin is inactive
            if ( ! Plethora_Theme::is_library_active() ) {

                // Add support for post and page post types ( necessary for content to be displayed )
                add_filter('plethora_supported_post_types', array($this, 'add_basic_posttypes_support' ));

                // Enqueue Google fonts manually
                add_action( 'wp_enqueue_scripts', array($this, 'add_google_fonts_manually' ), 5);

                // Themeconfig for PARTICLES
                Plethora_Theme::set_themeconfig( "PARTICLES", array(
                        'enable'          => true,
                        'color'           => "#bcbcbc",
                        'opacity'         => 0.8,
                        'bgColor'         => "transparent",
                        'bgColorDark'     => "transparent",
                        'colorParallax'   => "#4D83C9",
                        'bgColorParallax' => "transparent",
                ));
            }

            # Other notices/fixes here

        } else {

            # Handle frontend error message
            if ( !is_admin() ) {

                $title          = esc_html__( 'This website is under technical maintenance.', 'healthflex' ) ;
                $output         = '<h1>'. $title .'</h1>';
                $output        .= '<p>';
                $output        .= esc_html__( 'Due to a technical upgrade, our website will be out of order for a while. Please try again later.', 'healthflex' );
                $output        .= '</p>';
                $output        .= '<p>';
                $output        .= esc_html__( 'Thank you very much!', 'healthflex' ) .'<br>';
                $output        .= '</p>';
                wp_die( $output, $title );
            }
        }
    }

    /**
    * Check if PHP Version is less than 5.4
    */
    public function approve_php_version() {

        $approve_php_version = false;

        if ( version_compare(PHP_VERSION, '5.4.0') >= 0 ) {

            $approve_php_version = true;


        } else {

            $approve_php_version = false;
            add_action( 'admin_notices', array( $this, 'php_version_notice' ) );
        }

        return $approve_php_version;
    }

    /**
    * Admin notice for PHP versions earlier than 5.4
    */
    public function php_version_notice() {

        if ( isset( $_GET['plethora_php_version_notice'] ) && sanitize_key( $_GET['plethora_php_version_notice'] ) === 'hide' ) {

            set_transient( 'plethora_php_version_notice2', 'hide', HOUR_IN_SECONDS );
        }

        $notice_status = get_transient( 'plethora_php_version_notice2' );

        if ( $notice_status !== 'hide' ) {

            $plethora_link  = 'http://plethorathemes.com/blog/dropping-support-for-php-5-3-x/';
            $wp_link        = 'https://wordpress.org/about/requirements/';
            $output         = '<h4 style="margin:0 0 10px;">'. esc_html__( 'Your installation is running under PHP ', 'healthflex' ) ;
            $output        .= '<strong>'. PHP_VERSION .'</strong> '.'</h4>';
            $output        .= esc_html__( 'To continue working with this theme, you have to upgrade your PHP to 5.4 or newer version.', 'healthflex' ) .'<br>';
            $output        .= esc_html__( 'Unfortunately we cannot ignore the fact that this PHP version is considered obsolete, non secure and with poor overall performance.', 'healthflex' ) .'<br>';
            $output        .= '<strong>'. esc_html__( 'Please help us to deliver high quality and secure products...contact your host and ask for a switch to PHP 5.4 or newer.', 'healthflex' ) .'</strong>' .'<br>';
            $output        .= esc_html__( 'This is a simple procedure that any decent hosting company should provide hassles-free. This restriction will disappear after switching to PHP 5.4 or newer.', 'healthflex' );
            $output        .= '<p>';
            $output        .= '<a href="'. esc_url( $plethora_link ) .'" target="_blank"><strong>'. esc_html__( 'Read more on our blog', 'healthflex' ) .'</strong></a> | ';
            $output        .= '<a href="'. esc_url( $wp_link ) .'" target="_blank"><strong>'. esc_html__( 'Read more on WordPress recommended host configuration', 'healthflex' ) .'</strong></a> | ';
            $output        .= '<a href="'.admin_url( '/') .'?plethora_php_version_notice=hide"><strong>'. esc_html__( 'Dismiss this notice', 'healthflex' ) .'</strong></a>';
            $output        .= '</p>';
            echo '<div class="notice notice-error is-dismissible"><p>'. $output .'</p></div>';
        }
    }

    /**
    * Initiates TGM class
    * Hooked @ 'tgmpa_register'
    */
    public function tgm_init() {
        $fixed_notice = '<div><small>';
        $fixed_notice .= sprintf( esc_html__( 'This notice is produced by the %s theme', 'healthflex' ), 'Healthflex' );
        $fixed_notice .= '</small></div>';
        if ( is_admin() ) { // no need if not in admin
            $config            = array(
                'domain'            => $this->theme_slug,           // Text domain - likely want to be the same as your theme.
                'default_path'      => '',                          // Default absolute path to pre-packaged plugins
                'menu'              => 'install-required-plugins',  // Menu slug
                'has_notices'       => true,                        // Show admin notices or not
                'is_automatic'      => false,                       // Automatically activate plugins after installation or not
                'message'           => '',                          // Message to output right before the plugins table
                'strings'           => array(
                    'page_title'                      => esc_html__( 'Install Required Plugins', 'healthflex' ),
                    'menu_title'                      => esc_html__( 'Install Plugins', 'healthflex' ),
                    'installing'                      => esc_html__( 'Installing Plugin: %s', 'healthflex' ), // %1$s = plugin name
                    'oops'                            => esc_html__( 'Something went wrong with the plugin API.', 'healthflex' ),
                    'notice_can_install_required'     => _n_noop( 'This theme requires the following plugin: %1$s.', 'This theme requires the following plugins: %1$s.', 'healthflex' ),
                    'notice_can_install_recommended'  => _n_noop( 'This theme recommends the following plugin: %1$s.', 'This theme recommends the following plugins: %1$s.', 'healthflex' ),
                    'notice_cannot_install'           => _n_noop( 'Sorry, but you do not have the correct permissions to install the %s plugin. Contact the administrator of this site for help on getting the plugin installed.', 'Sorry, but you do not have the correct permissions to install the %s plugins. Contact the administrator of this site for help on getting the plugins installed.', 'healthflex' ), // %1$s = plugin name(s)
                    'notice_can_activate_required'    => _n_noop( 'The following required plugin is currently inactive: %1$s.', 'The following required plugins are currently inactive: %1$s.', 'healthflex' ),
                    'notice_can_activate_recommended' => _n_noop( 'The following recommended plugin is currently inactive: %1$s. Note that recommended plugins are usually associated with some features display, however they are not necessary if you don\'t plan to use them.', 'The following recommended plugins are currently inactive: %1$s. Note that recommended plugins are usually associated with some features display, however they are not necessary if you don\'t plan to use them.', 'healthflex' ), // %1$s = plugin name(s)
                    'notice_cannot_activate'          => _n_noop( 'Sorry, but you do not have the correct permissions to activate the %s plugin. Contact the administrator of this site for help on getting the plugin activated.', 'Sorry, but you do not have the correct permissions to activate the %s plugins. Contact the administrator of this site for help on getting the plugins activated.', 'healthflex'), // %1$s = plugin name(s)
                    'notice_ask_to_update'            => _n_noop( 'The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.', 'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.', 'healthflex' ), // %1$s = plugin name(s)
                    'notice_cannot_update'            => _n_noop( 'Sorry, but you do not have the correct permissions to update the %s plugin. Contact the administrator of this site for help on getting the plugin updated.', 'Sorry, but you do not have the correct permissions to update the %s plugins. Contact the administrator of this site for help on getting the plugins updated.', 'healthflex' ), // %1$s = plugin name(s)
                    'install_link'                    => _n_noop( 'Begin installing plugin', 'Begin installing plugins', 'healthflex' ),
                    'activate_link'                   => _n_noop( 'Activate installed plugin', 'Activate installed plugins', 'healthflex' ),
                    'return'                          => esc_html__( 'Return to Required Plugins Installer', 'healthflex' ),
                    'plugin_activated'                => esc_html__( 'Plugin activated successfully.', 'healthflex' ),
                    'complete'                        => esc_html__( 'All plugins installed and activated successfully. %s', 'healthflex' ), // %1$s = dashboard link
                    'nag_type'                        => 'updated' // Determines admin notice type - can only be 'updated' or 'error'
                )
            );

            $plugins = $this->tgm_get_plugins();

            if ( !empty( $plugins ) ) {

                tgmpa( $plugins, $config );
            }
        }
    }

    /**
    * Includes all TGM plugins index, along with their configuration
    * It returns an array merged with $this->theme_plugins variable config,
    * and it's ready for TGM class initiation
    */
    public function tgm_get_plugins() {

        // REQUIRED: Plethora Features Library
        $plugins['plethora-featureslib'] = array(
                'name'               => 'Plethora Features Library',     // PLUGIN NAME
                'slug'               => 'plethora-featureslib',                // PLUGIN SLUG (Typically: folder name)
                'source'             => PLE_THEME_DIR . '/includes/plugins/plethora-featureslib.zip', // PLUGIN SOURCE
                'required'           => true, // If false, the plugin is only 'recommended' instead of required
        );

        // REQUIRED: WPBakery Visual Composer
        $plugins['js_composer'] = array(
                'name'     => 'WPBakery Visual Composer',
                'slug'     => 'js_composer',
                'source'   => PLE_THEME_DIR . '/includes/plugins/js_composer.zip',
                'required' => true,
        );

        // SUGGESTED: Contact Form 7
        $plugins['contact-form-7'] = array(
                'name'     => 'Contact Form 7',
                'slug'     => 'contact-form-7',
                'required' => false,
        );

        // SUGGESTED: Envato Market
        $plugins['envato-market'] = array(
                'name'     => esc_html__( 'Envato Market', 'healthflex' ),
                'slug'     => 'envato-market',
                'source'   => PLE_THEME_DIR . '/includes/plugins/envato-market.zip',
                'required' => false,
        );

        $tgm_plugins = array();
        $theme_plugins = apply_filters( 'plethora_theme_plugins', $this->theme_plugins );
        foreach ( $plugins as $plugin_slug => $plugin_tgm_config ) {

            if ( !empty( $theme_plugins[$plugin_slug]['version'] ) ) {

                $plugin_tgm_config['version'] = $theme_plugins[$plugin_slug]['version'];
                $tgm_plugins[] = $plugin_tgm_config;
            }
        }
        return $tgm_plugins;
    }


    /**
    * The method compares theme saved version with this one running.
    * If different, it executes all actions set right after theme update
    *
    * @since 1.0
    *
    */
    public function after_update() {

      $theme_version_db = get_option( OPTNAME_THEME_VER, false );
      if ( $theme_version_db && version_compare( $this->theme_ver, $theme_version_db ) !== 0 ) {

        // Recovers TGM notices, even if the user has dismissed this.
        // MUST be done on every theme update, to make sure the current user gets a notice about the Plethora Framework plugin update
        $deleted = delete_metadata( 'user', null, 'tgmpa_dismissed_notice_tgmpa', null, true );

        ## START: Add any theme update actions should be hooked here!
        do_action( 'plethora_after_update' );
        ## FINISH

        // After done with all actions, we update saved theme version ( for version switches only )
        $is_updated = update_option( OPTNAME_THEME_VER, $this->theme_ver );

      } elseif ( ! $theme_version_db ) {

        // Create saved theme version ( for version switches only )
        $is_saved = update_option( OPTNAME_THEME_VER, $this->theme_ver );
        // Initial theme version
        $is_initial = update_option( 'plethora_theme_ver_installed_initial', $this->theme_ver );
      }
    }

    /**
    * Enqueue Google fonts manually
    */
    public function add_google_fonts_manually() {

        wp_enqueue_style( 'roboto', 'http://fonts.googleapis.com/css?family=Raleway:400,300,700,800,900,500', false );
        wp_enqueue_style( 'lato', 'http://fonts.googleapis.com/css?family=Lato:300,300italic,700,700italic,900,900italic', false );
    }


    /**
    * Add support for post/page if the library plugin is inactive
    */
    public function add_basic_posttypes_support( $posttypes ) {

      $posttypes[] = 'post';
      $posttypes[] = 'page';
      array_unique($posttypes);
      return $posttypes;
    }
}

$setup = new Plethora_Setup;