<?php

/**
 * Class covers the testimonial admin functionality.
 *
 * @since 1.0.0
 */
class Arconix_Testimonials_Admin {

    /**
     * Plugin version.
     *
     * @since 1.1.0
     *
     * @var string plugin version
     */
    public static $version = '1.1.1';


    /**
     * Construct Method.
     *
     * @since 1.0.0
     */
    function __construct() {
        $this->constants();

        register_activation_hook( __FILE__,             array( $this, 'activation' ) );
        register_deactivation_hook( __FILE__,           array( $this, 'deactivation' ) );

        add_action( 'init',                             array( $this, 'init'), 9999 );
        add_action( 'init',                             array( $this, 'content_types' ) );
        add_action( 'init',                             array( $this, 'shortcodes' ) );
        add_action( 'widgets_init',                     array( 'Arconix_Testimonials_Widget', 'register' ) );
        add_action( 'wp_enqueue_scripts',               array( $this, 'scripts' ) );
        add_action( 'admin_enqueue_scripts',            array( $this, 'admin_scripts' ) );
        add_action( 'manage_posts_custom_column',       array( $this, 'column_action' ) );
        add_action( 'wp_dashboard_setup',               array( $this, 'dash_widget' ) );
        add_action( 'dashboard_glance_items',           array( $this, 'at_a_glance' ) );
        add_action( 'add_meta_boxes',                   array( $this, 'shortcode_metabox' ) );

        add_filter( 'widget_text',                      'do_shortcode' );
        add_filter( 'the_content',                      array( $this, 'content_filter' ) );
        add_filter( 'enter_title_here',                 array( $this, 'title_text' ) );
        add_filter( 'cmb_meta_boxes',                   array( $this, 'metaboxes' ) );
        add_filter( 'post_updated_messages',            array( $this, 'messages' ) );
        add_filter( 'manage_edit-testimonials_columns', array( $this, 'columns_filter' ) );
    }

    /**
     * Define plugin constants.
     *
     * @since 1.0.0
     */
    function constants() {
        define( 'ACT_VERSION',          self::$version );
        define( 'ACT_URL',              trailingslashit( plugin_dir_url( __FILE__ ) ) );
        define( 'ACT_CSS_URL',          trailingslashit( ACT_URL . 'css' ) );
        define( 'ACT_IMAGES_URL',       trailingslashit( ACT_CSS_URL . 'images' ) );
        define( 'ACT_DIR',              trailingslashit( plugin_dir_path( __FILE__ ) ) );
    }


    /**
     * Runs on plugin activation.
     *
     * @since 1.0.0
     */
    function activation() {
        $this->content_types();
        flush_rewrite_rules();
    }

    /**
     * Runs on plugin deactivation.
     *
     * @since 1.0.0
     */
    function deactivation() {
        flush_rewrite_rules();
    }

    /**
     * Set our plugin defaults for post type registration and default query args.
     *
     * @since  1.0.0
     *
     * @return array $defaults
     */
    function defaults() {
        $defaults = array(
            'post_type' => array(
                'slug' => 'testimonials',
                'args' => array(
                    'labels' => array(
                        'name'                  => __( 'Testimonials',                              'act' ),
                        'singular_name'         => __( 'Testimonial',                               'act' ),
                        'add_new'               => __( 'Add New',                                   'act' ),
                        'add_new_item'          => __( 'Add New Testimonial Item',                  'act' ),
                        'edit'                  => __( 'Edit',                                      'act' ),
                        'edit_item'             => __( 'Edit Testimonial Item',                     'act' ),
                        'new_item'              => __( 'New Item',                                  'act' ),
                        'view'                  => __( 'View Testimonial',                          'act' ),
                        'view_item'             => __( 'View Testimonial Item',                     'act' ),
                        'search_items'          => __( 'Search Testimonials',                       'act' ),
                        'not_found'             => __( 'No testimonial items found',                'act' ),
                        'not_found_in_trash'    => __( 'No testimonial items found in the trash',   'act' )
                    ),
                    'public'            => true,
                    'query_var'         => true,
                    'menu_position'     => 20,
                    'menu_icon'         => 'dashicons-testimonial',
                    'has_archive'       => false,
                    'supports'          => array( 'title', 'editor' ),
                    'rewrite'           => array( 'with_front' => false )
                )
            )
        );

        return apply_filters( 'arconix_testimonials_admin_defaults', $defaults );
    }

    /**
     * Load our Meta Box and At a Glance helper classes.
     *
     * @since   1.0.0
     * @version 1.1.0
     */
    function init() {
        if( ! class_exists( 'cmb_Meta_Box' ) )
            require_once( ACT_DIR . 'metabox/init.php' );

        if ( ! class_exists( 'Gamajo_Dashboard_Glancer' ) )
            require_once( ACT_DIR . 'class-gamajo-dashboard-glancer.php' );
    }

    /**
     * Register the post_type.
     *
     * @since 1.0.0
     */
    function content_types() {
        $defaults = $this->defaults();
        register_post_type( $defaults['post_type']['slug'], $defaults['post_type']['args'] );
    }

    /**
     * Register plugin shortcode.
     *
     * @since 1.0.0
     */
    function shortcodes() {
        add_shortcode( 'ac-testimonials', array( $this, 'testimonials_shortcode' ) );
    }

    /**
     * Testimonials shortcode.
     *
     * @since  1.0.0
     *
     * @param  array  $atts    Passed attributes
     * @param  string $content N/A - self-closing shortcode
     *
     * @return string          result of query
     */
    function testimonials_shortcode( $atts, $content = null ) {
        $t = new Arconix_Testimonials();

        return $t->loop( $atts );
    }


    /**
     * Filter The_Content and add our data to it
     *
     * @since   1.0.0
     * @version 1.0.1
     *
     * @global  stdObj $post    std Post
     * @param   string $content main content
     * @return  string          our testimonial content
     */
    function content_filter( $content ) {
        global $post;

        if( is_single() && $post->post_type == 'testimonial' && is_main_query() ) {

            $t = new Arconix_Testimonials();

            // So we can grab our default gravatar size and allow it to be filtered.
            $defaults = $t->defaults();

            $gs = apply_filters( 'arconix_testimonials_content_gravatar_size', $defaults['gravatar']['size'] );

            $gravatar = '<div class="arconix-testimonial-gravatar">' . $t->get_gravatar( $gs ) . '</div>';

            $cite = '<div class="arconix-testimonial-info-wrap">' . $t->get_citation( false ) . '</div>';

            $content = '<div class="arconix-testimonial-content">' . $content . '</div>';

            $content = $cite . $gravatar . $content;

        }

        return $content;
    }


    /**
     * Load required CSS.
     *
     * Load the plugin CSS. If the css file is present in the theme directory, it will be loaded instead,
     * allowing for an easy way to override the default template. If you'd like to remove the CSS entirely,
     * such as when building the styles into a single file, simply reference the filter and return false
     *
     * @example add_filter( 'pre_register_arconix_testimonials_css', '__return_false' );
     *
     * @since 1.0.0
     */
    function scripts() {
         // If the CSS is not being overridden in a theme folder, allow the user to filter it out entirely (if building into stylesheet or the like)
        if( apply_filters( 'pre_register_arconix_testimonials_css', true ) ) {
            // Checks the child directory and then the parent directory.
            if( file_exists( get_stylesheet_directory() . '/arconix-testimonials.css' ) )
                wp_enqueue_style( 'arconix-testimonials', get_stylesheet_directory_uri() . '/arconix-testimonials.css', false, ACT_VERSION );
            elseif( file_exists( get_template_directory() . '/arconix-testimonials.css' ) )
                wp_enqueue_style( 'arconix-testimonials', get_template_directory_uri() . '/arconix-testimonials.css', false, ACT_VERSION );
            else
                wp_enqueue_style( 'arconix-testimonials', ACT_CSS_URL . 'arconix-testimonials.css', false, ACT_VERSION );
        }
    }

    /**
     * Load the Amid-side CSS.
     *
     * Load the admin CSS. If you'd like to remove the CSS entirely, such as when building the styles
     * into a single file, simply reference the filter and return false
     *
     * @example add_filter( 'pre_register_arconix_testimonials_admin_css', '__return_false' );
     *
     * @since 1.0.0
     */
    function admin_scripts() {
        if( apply_filters( 'pre_register_arconix_testimonials_admin_css', true ) )
            wp_enqueue_style( 'arconix-testimonials-admin', ACT_CSS_URL . 'admin.css', false, ACT_VERSION );
    }

    /**
     * Modifies the post save notifications to properly reflect the post-type
     *
     * @since  1.0.0
     *
     * @global stdObject $post
     * @global int       $post_ID
     *
     * @param  array     $messages
     *
     * @return array     $messages
     */
    function messages( $messages ) {
        global $post, $post_ID;

        $messages['testimonials'] = array(
            0 => '', // Unused. Messages start at index 1.
            1 => sprintf( __( 'Testimonial updated. <a href="%s">View testimonial</a>' ), esc_url( get_permalink( $post_ID ) ) ),
            2 => __( 'Custom field updated.' ),
            3 => __( 'Custom field deleted.' ),
            4 => __( 'Testimonial updated.' ),
            /* translators: %s: date and time of the revision */
            5 => isset( $_GET['revision'] ) ? sprintf( __( 'Testimonial restored to revision from %s' ), wp_post_revision_title( ( int ) $_GET['revision'], false ) ) : false,
            6 => sprintf( __( 'Testimonial published. <a href="%s">View testimonial</a>' ), esc_url( get_permalink( $post_ID ) ) ),
            7 => __( 'Testimonial saved.' ),
            8 => sprintf( __( 'Testimonial submitted. <a target="_blank" href="%s">Preview testimonial</a>' ), esc_url( add_query_arg( 'preview', 'true', get_permalink( $post_ID ) ) ) ),
            9 => sprintf( __( 'Testimonial scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview testimonial</a>' ),
                    // translators: Publish box date format, see http://php.net/date
                    date_i18n( __( 'M j, Y @ G:i' ), strtotime( $post->post_date ) ), esc_url( get_permalink( $post_ID ) ) ),
            10 => sprintf( __( 'Testimonial draft updated. <a target="_blank" href="%s">Preview testimonial</a>' ), esc_url( add_query_arg( 'preview', 'true', get_permalink( $post_ID ) ) ) ),
        );

        return $messages;
    }

    /**
     * Choose the specific columns we want to display in the WP Admin Testimonials list.
     *
     * @since   1.0.0
     * @version 1.1.0
     *
     * @param   array $columns
     *
     * @return  array $columns
     */
    function columns_filter( $columns ) {
        $col_gr = array( 'testimonial-gravatar' => __( 'Gravatar', 'act' ) );
        $col_ta = array( 'title' => __( 'Author', 'act' ) );
        $col_tb = array( 'testimonial-byline' => __( 'Byline', 'act' ) );
        $col_tc = array( 'testimonial-content' => __( 'Testimonial', 'act' ) );

        unset( $columns['title'] );

        $columns = array_slice( $columns, 0, 1, true ) + $col_gr + array_slice( $columns, 1, NULL, true );
        $columns = array_slice( $columns, 0, 2, true ) + $col_ta + array_slice( $columns, 2, NULL, true );
        $columns = array_slice( $columns, 0, 3, true ) + $col_tb + array_slice( $columns, 3, NULL, true );
        $columns = array_slice( $columns, 0, 4, true ) + $col_tc + array_slice( $columns, 4, NULL, true );

        return apply_filters( 'arconix_testimonials_admin_column_define', $columns );
    }

    /**
     * Supply the data that shows up in the custom columns we defined.
     *
     * @since 1.0.0
     *
     * @param array $column
     */
    function column_action( $column ) {
        $t = new Arconix_Testimonials();

        switch( $column ) {
            case "testimonial-gravatar":
                $t->get_gravatar( 60, true );
                break;
            case "testimonial-content":
                the_excerpt();
                break;
            case "testimonial-byline":
                $t->get_citation( false, true, true );
            default:
                break;
        }
    }

    /**
     * Customize the "Enter title here" text on the Testimonial creation screen
     *
     * @since  1.0.0
     *
     * @param  string $title
     *
     * @return $title
     */
    function title_text( $title ) {
        $screen = get_current_screen();

        if( 'testimonials' == $screen->post_type )
            $title = __( 'Enter author name here', 'act' );

        return $title;
    }

    /**
     * Add the Post type to the "At a Glance" Dashboard Widget.
     *
     * @since 1.0.0
     */
    function at_a_glance() {
        $glancer = new Gamajo_Dashboard_Glancer;
        $glancer->add( 'testimonials' );
    }

    /**
     * Adds a dashboard widget.
     *
     * Adds a widget to the dashboard. Can be overridden completely by a filter, but only shows for users that can
     * manage options (also filterable if desired)
     *
     * @since 1.0.0
     */
    function dash_widget() {
        if( apply_filters( 'pre_register_arconix_testimonials_dashboard_widget', true ) and
            apply_filters( 'arconix_testimonial_dashboard_widget_security', current_user_can( 'manage_options' ) ) )
                wp_add_dashboard_widget( 'ac-testimonials', 'Arconix Testimonials', array( $this, 'dash_widget_output' ) );
    }

    /**
     * Output for the dashboard widget.
     *
     * @since 1.0.0
     */
    function dash_widget_output() {
        echo '<div class="rss-widget">';

            wp_widget_rss_output( array(
                'url' => 'http://arconixpc.com/tag/arconix-testimonials/feed', // feed url
                'title' => 'Arconix Testimonials Posts', // feed title
                'items' => 3, // how many posts to show
                'show_summary' => 1, // display excerpt
                'show_author' => 0, // display author
                'show_date' => 1 // display post date
            ) );

            echo '<div class="act-widget-bottom"><ul>';
            ?>
                <li><a href="http://arcnx.co/atwiki" class="atdocs"><img src="<?php echo ACT_IMAGES_URL . 'page-16x16.png' ?>">Documentation</a></li>
                <li><a href="http://arcnx.co/athelp" class="athelp"><img src="<?php echo ACT_IMAGES_URL . 'help-16x16.png' ?>">Support Forum</a></li>
                <li><a href="http://arcnx.co/attrello" class="atdev"><img src="<?php echo ACT_IMAGES_URL . 'trello-16x16.png' ?>">Dev Board</a></li>
                <li><a href="http://arcnx.co/atsource" class="atsource"><img src="<?php echo ACT_IMAGES_URL . 'github-16x16.png'; ?>">Source Code</a></li>
            <?php
            echo '</ul></div>';
        echo '</div>';
    }

    /**
     * Create the post type metabox.
     *
     * @since  1.0.0
     *
     * @param  array $meta_boxes
     *
     * @return array $meta_boxes
     */
    function metaboxes( $meta_boxes ) {
        $metabox = array(
            'id' => 'testimonials-info',
            'title' => 'Testimonial Details',
            'pages' => array( 'testimonials' ),
            'context' => 'normal',
            'priority' => 'high',
            'show_names' => true,
            'fields' => array(
                array(
                    'name' => 'E-mail Address',
                    'id' => '_act_email',
                    'desc' => sprintf( __( 'To display the author\'s %sGravatar%s (optional).', 'act' ), '<a href="' . esc_url( 'http://gravatar.com' ) . '" target="_blank">', '</a>' ),
                    'type' => 'text_medium',
                ),
                array(
                    'name' => 'Byline',
                    'id' => '_act_byline',
                    'desc' => __( 'Enter a byline for the author of this testimonial (optional).', 'act' ),
                    'type' => 'text_medium',
                ),
                array(
                    'name' => 'Website',
                    'id' => '_act_url',
                    'desc' => __( 'Enter a URL for the individual or organization (optional).', 'act' ),
                    'type' => 'text_medium',
                )
            )
        );

        $meta_boxes[] = $metabox;

        return $meta_boxes;
    }

    /**
     * Adds another metabox to the testimonial creation screen.
     *
     * This metabox shows the shortcode with the post_id for users to display
     * just that testimonial on a post, page or other applicable location
     *
     * @since 1.1.0
     */
    function shortcode_metabox() {
        add_meta_box( 'ac-shortcode-box', __( 'Testimonial Shortcode', 'act' ), array( $this, 'shortcode_box' ), 'testimonials', 'side' );
    }

    /**
     * Output for the testimonial shortcode metabox. Creates a readonly inputbox that outputs the testimonial shortcode
     * plus the $post_id
     *
     * @since 1.1.0
     *
     * @global int $post_ID ID of the current post
     */
    function shortcode_box() {
        global $post_ID;
        ?>
        <p class="howto">
            <?php _e( 'To display this testimonial, copy the code below and paste it into your post, page, text widget or other content area.', 'act' ); ?>
        </p>
        <p><input type="text" value="[ac-testimonials p=<?php echo $post_ID; ?>]" readonly="readonly" class="widefat wp-ui-text-highlight code"></p>
        <?php
    }

}