<?php

// Meta Box Style
function adenit_admin_styles(){
    global $typenow;
    if( $typenow == 'post' ) {
        wp_enqueue_style( 'adenit_meta_box_styles',  ADENIT_THEMEROOT . '/framework/metaboxes/css/admin.css' );
    }
}
add_action( 'admin_print_styles', 'adenit_admin_styles' );

$adenit_metaboxes = array(
    
     // Post Options metaboxes
    'adenit-post-metabox' => array(
        'title'             => esc_html__('Post Options', 'aden'),
        'applicableto'      => 'post',
        'location'          => 'normal',
        'priority'          => 'high',
        'fields'            => array(
            'carousel-meta-checkbox'    => array(
                'title'         => esc_html__('&nbsp;Show Post in Carousel', 'aden'),
                'type'          => 'checkbox',
                'description'   => '',
                'class'         => ''
            ),
            'post-fullwidth-checkbox'  => array(
                'title'         => esc_html__('&nbsp;Full Width Post', 'aden'),
                'type'          => 'checkbox',
                'description'   => '',
                'class'         => ''
            ),
            'disable-sidebar-checkbox' => array(
                'title'         => esc_html__('&nbsp;Disable Sidebar on Single Page', 'aden'),
                'type'          => 'checkbox',
                'description'   => '',
                'class'         => ''
            ),
            'disable-feature-img-checkbox' => array(
                'title'         => esc_html__('&nbsp;Disable Sidebar on Single Page', 'aden'),
                'type'          => 'checkbox',
                'description'   => '',
                'class'         => ''
            )
        )
    ),
    // Link metaboxes
    'adenit-link' => array(
        'title'             => esc_html__('Link Format', 'aden'),
        'applicableto'      => 'post',
        'location'          => 'normal',
        'display_condition' => 'post-format-link',
        'priority'          => 'core',
        'fields'            => array(
        
            'link'          => array(
                'title'         => esc_html__('Link Description:', 'aden'),
                'type'          => 'input',
                'description'   => '',
                'class'         => 'adenit-metabox'
            ),

            'link_author'   => array(
                'title'         => esc_html__('Link Title:', 'aden'),
                'type'          => 'input',
                'description'   => '',
                'class'         => 'adenit-metabox'
            ),

            'link_author_url'   => array(
                'title'         => esc_html__('Link Author (URL):', 'aden'),
                'type'          => 'input',
                'description'   => '',
                'class'         => 'adenit-metabox'
            )
        )
    ),
    // quote metaboxes
    'adenit-quote'    => array(
        'title'             => esc_html__('Quote Format', 'aden'),
        'applicableto'      => 'post',
        'location'          => 'normal',
        'display_condition' => 'post-format-quote',
        'priority'          => 'core',
        'fields'            => array(
            
            'quote'         => array(
                'title'         => esc_html__('Quote:', 'aden'),
                'type'          => 'input',
                'description'   => '',
                'class'         => 'adenit-metabox'
            ),
            
            'quote_author'  => array(
                'title'         => esc_html__('Quote Author:', 'aden'),
                'type'          => 'input',
                'description'   => '',
                'class'         => 'adenit-metabox'
            )
        )
    ),
    // video metaboxes
    'adenit-video'    => array(
        'title'             => esc_html__('Video Format', 'aden'),
        'applicableto'      => 'post',
        'location'          => 'normal',
        'display_condition' => 'post-format-video',
        'priority'          => 'core',
        'fields'            => array(
            'video_embed'       => array(
                'title'         => esc_html__('Video Embed Code:', 'aden'),
                'type'          => 'textarea',
                'description'   => '',
                'class'         => 'adenit-metabox'
            )                      
        )
    ),
    // Audio metaboxes
    'adenit-audio'    => array(
        'title'             => esc_html__('Audio Format', 'aden'),
        'applicableto'      => 'post',
        'location'          => 'normal',
        'display_condition' => 'post-format-audio',
        'priority'          => 'core',
        'fields'            => array(
            'audio_embed'   => array(
                'title'         => esc_html__('Audio Embed Code:', 'aden'),
                'type'          => 'textarea',
                'description'   => '',
                'class'         => 'adenit-metabox'
            )
        )
    )
);

//Add metaboxes
function adenit_add_post_format_metabox() {
    global $adenit_metaboxes;
    if ( ! empty( $adenit_metaboxes ) ) {
        foreach ( $adenit_metaboxes as $id => $metabox ) {
            add_meta_box( $id, $metabox['title'], 'adenit_show_metaboxes', $metabox['applicableto'], $metabox['location'], $metabox['priority'], $id );
        }
    }
}
add_action( 'admin_init', 'adenit_add_post_format_metabox' );

//Show metaboxes
function adenit_show_metaboxes( $post, $args ) {
    global $adenit_metaboxes;
    global $post;
    $custom = get_post_custom( $post->ID );
    $fields = $adenit_metaboxes[$args['id']]['fields'];
    /** Nonce **/
    $output = '<input type="hidden" name="post_format_meta_box_nonce" value="' . esc_attr( wp_create_nonce( basename( __FILE__ ) ) ) . '" />';
 
    if ( sizeof( $fields ) ) {
        foreach ( $fields as $id => $field ) {
            $meta_box_text  = isset($custom[$id][0])?$custom[$id][0]:'';
                   
            switch ( $field['type'] ) {
                default:
                case "input":
                    $output .= '<label for="' . esc_attr( $id ) . '" class="'. esc_attr( $field['class'] ) .'-label" >' . $field['title'] . '</label><input id="' . esc_attr( $id ) . '" class="'. esc_attr( $field['class'] ) .'-input" type="text" name="' . esc_attr( $id ) . '" value="' . esc_attr( $meta_box_text ). '" />';
                    break;
                case "textarea":
                    $output .= '<label for="' . esc_attr( $id ) . '" class="'. esc_attr( $field['class'] ) .'-label" >' . $field['title'] . '</label><textarea id="' . esc_attr( $id ). '" name="' . esc_attr( $id ) . '" class="'. esc_attr( $field['class'] ) .'-textarea" >' . $meta_box_text . '</textarea>';
                    break;
                case  "checkbox":
                $field_id_value = get_post_meta($post->ID, $id, true);
                $field_id_checked = '';
                if($field_id_value == "yes") $field_id_checked = 'checked'; ?>
               <div>
                    <p>
                        <label for="<?php echo esc_attr( $id ); ?>" class="'<?php echo esc_attr( $field['class'] ); ?>'-label" >
                            <input id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $field['class'] ).'-input'; ?>"  type="checkbox" name="<?php echo esc_attr( $id ); ?>" value="yes" <?php echo $field_id_checked; ?> />
                            <?php echo $field['title']; ?>
                        </label>
                    </p>
               </div>
                <?php $field_id_checked = ''; ?>
            <?php 
                    break;     
            }
        }
    } 

    echo '' . $output;
}
add_action( 'save_post', 'adenit_save_metaboxes' );


function adenit_save_metaboxes( $post_id ) {
    global $adenit_metaboxes;
    global $post;
    // Checks save status
    $is_autosave = wp_is_post_autosave( $post_id );
    $is_revision = wp_is_post_revision( $post_id );
    $is_valid_nonce = ( isset( $_POST[ 'adenit_nonce' ] ) && wp_verify_nonce( $_POST[ 'adenit_nonce' ], basename( __FILE__ ) ) ) ? 'true' : 'false';
 

    // Exits script depending on save status
    if ( $is_autosave || $is_revision || !$is_valid_nonce ) {
        return;
    }

    $post_type = get_post_type();
 
    // loop through fields and save the data
    foreach ( $adenit_metaboxes as $id => $metabox ) {
        // check if metabox is applicable for current post type
        if ( $metabox['applicableto'] == $post_type ) {
            $fields = $adenit_metaboxes[$id]['fields'];
 
            foreach ( $fields as $id => $field ) {
                $old = get_post_meta( $post_id, $id, true );
                
                if ( isset($_POST[$id]) ) {
                    $new = $_POST[$id];
                } else {
                    $new = '';
                }              
               
 
                if ( $new && $new != $old ) {
                    update_post_meta( $post_id, $id, $new );
                }

                elseif ( '' == $new && $old || ! isset( $_POST[$id] ) ) {
                    delete_post_meta( $post_id, $id, $old );
                }

            }
        }
    }
}



// Display metaboxes 
function adenit_display_metaboxes() {
    global $adenit_metaboxes;
    global $post;
    if ( get_post_type() == "post" ) :
        ?>
        <script type = "text/javascript">// <![CDATA[
            $ = jQuery;
 
           <?php
            $formats = $ids = array();
            foreach ( $adenit_metaboxes as $id => $metabox ) {
                array_push( $formats, "'" . $metabox['display_condition'] . "': '" . $id . "'" );
                array_push( $ids, "#" . $id );
            }
            ?>
 
            var formats = { <?php echo implode( ',', $formats ); ?> };
            var ids = "<?php echo implode( ',', $ids ); ?>";

            function adenitDisplayMetaboxes() {

                // Hide all post format metaboxes
                $(ids).hide();
                // Get current post format
                var selectedElt = $("input[name='post_format']:checked").attr("id");
 
                // If exists, fade in current post format metabox
                if ( formats[selectedElt] )
                    $("#" + formats[selectedElt]).fadeIn();
            }
 
            $( function() {
                // Show/hide metaboxes on page load
                adenitDisplayMetaboxes();
 
                // Show/hide metaboxes on change event
                $( "input[name='post_format']" ).change( function() {
                    adenitDisplayMetaboxes();
                });
            });
 
        // ]]></script>
        <?php
    endif;
}
add_action( 'admin_print_scripts', 'adenit_display_metaboxes', 1000 );