<?php

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * BoxyTheme_Page_Meta Class
 */
class BoxyTheme_Page_Meta {

	function __construct() {

		add_action( 'add_meta_boxes', array( &$this, 'add_page_meta_box' ) );
        add_action( 'save_post',      array( &$this, 'save_page_meta_box' ) );

	}

	/**
     * Adds the meta box container.
     */
	public function add_page_meta_box( $post_type ) {

		// Limit meta box to Pages.
        $post_types = apply_filters( 'metabox_post_types' , array( 'page' ) );

        if ( in_array( $post_type, $post_types ) ) {
            add_meta_box( 'boxytheme_page_settings', __( 'Page Settings', 'boxy-studio' ), array( &$this, 'render_page_meta_box' ), $post_type, 'normal', 'high' );
        }

	}

	/**
     * Save the meta when the post is saved.
     *
     * @param int $post_id The ID of the post being saved.
     */
     public function save_page_meta_box( $post_id ) {

        /*
         * We need to verify this came from the our screen and with proper authorization,
         * because save_post can be triggered at other times.
         */

        // Check if our nonce is set.
        if ( ! isset( $_POST['boxytheme_page_custom_box_nonce'] ) ) {
            return $post_id;
        }

        $nonce = $_POST['boxytheme_page_custom_box_nonce'];

        // Verify that the nonce is valid.
        if ( ! wp_verify_nonce( $nonce, 'boxytheme_page_custom_box' ) ) {
            return $post_id;
        }

        /*
         * If this is an autosave, our form has not been submitted,
         * so we don't want to do anything.
         */
        if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
            return $post_id;
        }

        // Check the user's permissions.
        if ( 'page' == $_POST['post_type'] ) {
            if ( ! current_user_can( 'edit_pages', $post_id ) ) {
                return $post_id;
            }
        } else {
            if ( ! current_user_can( 'edit_pages', $post_id ) ) {
                return $post_id;
            }
        }

        /* OK, it's safe for us to save the data now. */

        $bx_page_settings = isset($_POST['_boxytheme_page_settings']) ? $_POST['_boxytheme_page_settings'] : false;
        $page_excerpt = '';

        if (!empty($bx_page_settings)):
        	foreach($bx_page_settings as $key => $val):
        		if (!is_array($val)):
        			$bx_page_settings[$key] = sanitize_text_field($val);
        		else:
        			foreach($val as $subkey => $subval):
        				if (!is_array($subval)):
		        			$bx_page_settings[$key][$subkey] = sanitize_text_field($subval);
		        		else:
		        			foreach($subval as $sub_subkey => $sub_subval):
		        				if (!is_array($sub_subval)):
				        			$bx_page_settings[$key][$subkey][$sub_subkey] = sanitize_text_field($sub_subval);
				        		else:
				        			foreach($sub_subval as $sub_sub_subkey => $sub_sub_subval):
				        				if (!is_array($sub_sub_subval)):
						        			$bx_page_settings[$key][$subkey][$sub_subkey][$sub_sub_subkey] = sanitize_text_field($sub_sub_subval);
						        		else:
						        			foreach($sub_sub_subval as $sub_sub_sub_subkey => $sub_sub_sub_subval):
						        				$bx_page_settings[$key][$subkey][$sub_subkey][$sub_sub_subkey][$sub_sub_sub_subkey] = sanitize_text_field($sub_sub_sub_subval);
						        			endforeach;
						        		endif;
				        			endforeach;
				        		endif;
		        			endforeach;
		        		endif;
        			endforeach;
        		endif;
        	endforeach;
        endif;

        // Update the page settings meta field.
        update_post_meta( $post_id, '_boxytheme_page_settings', $bx_page_settings );

        // Update the post's excerpt and content if Short Description is entered (for SEO purposes).
        if ($page_excerpt):

        	// Unhook this function so it doesn't loop infinitely
			remove_action( 'save_post', array( &$this, 'save_page_meta_box' ) );

			// Update the post, which calls save_post again
			wp_update_post( array( 'ID' => $post_id, 'post_excerpt' => $page_excerpt, 'post_content' => $page_excerpt ) );

			// Re-hook this function
			add_action( 'save_post', array( &$this, 'save_page_meta_box' ) );

        endif;

    }

    /**
     * Render Meta Box content.
     *
     * @param WP_Post $post The post object.
     */
    public function render_page_meta_box( ) {

	    global $post;

	    /*
		 * Output the page meta fields
		 * @since 1.0.0
		 */
		do_action( 'boxytheme_page_fields', $post->ID );

        // Add an nonce field so we can check for it later.
        wp_nonce_field( 'boxytheme_page_custom_box', 'boxytheme_page_custom_box_nonce' );

    }

}

/**
 * Page Fields
 */
function boxytheme_render_page_fields( $post_id ) {

	global $wp_registered_sidebars;

	$bx_options = wpc_get_settings();
	$sidebars = wp_get_sidebars_widgets();
	$bx_page_settings = get_post_meta( $post_id, '_boxytheme_page_settings', true);

	?><div class="page-setting-block">

		<table class="form-table"><tbody><?php

			// Revolution Slider
			if (class_exists('RevSlider')):

				$slider = new RevSlider();
				$arrSliders = $slider->getArrSliders();
				if (!empty($arrSliders)):
					foreach($arrSliders as $slider):

						$title = $slider->getTitle();
						$alias = $slider->getAlias();
						$revSliders[$alias] = $title;

					endforeach;
				endif;

			else:

				$revSliders = array();

			endif;

			if ( !empty($revSliders) ):

				?><tr><th scope="row"><label for="boxytheme_page_settings_slider"><?php esc_html_e('Revolution Slider','boxy-studio'); ?></label></th>
					<td>
						<select id="boxytheme_page_settings_slider" name="_boxytheme_page_settings[slider]">
							<option value="0"><?php esc_html_e( 'No Slider', 'boxy-studio' ); ?></option>
							<?php foreach( $revSliders as $alias => $slider ):
								echo '<option ' . ($bx_page_settings['slider'] == $alias ? ' selected' : '') . ' value="' . $alias . '">' . $slider . '</option>';
							endforeach; ?>
						</select>
						<p><small><?php esc_html_e( 'Choose a Revolution Slider to show at the top of the page. This will replace the page banner, if active.','boxy-studio'); ?></small></p>
					</td>
				</tr><?php

			endif;

			// Page Width
            $new_default = array();
			$default_setting = ( isset( $bx_options['boxytheme_content'] ) ? $bx_options['boxytheme_content'] : false );
			$this_setting = ( isset( $bx_page_settings['page_content'] ) && $bx_page_settings['page_content'] ? $bx_page_settings['page_content'] : false );

			$content_options = apply_filters( 'boxy_content_width_options', array(
               	'full'          	=> esc_html__('Full-Width','boxy-studio'),
	            'default'           => esc_html__('1100px','boxy-studio'),
	            '1000px'              => esc_html__('1000px','boxy-studio'),
	            '900px'               => esc_html__('900px','boxy-studio'),
	            '800px'               => esc_html__('800px','boxy-studio'),
	            '700px'               => esc_html__('700px','boxy-studio'),
	            '600px'               => esc_html__('600px','boxy-studio')
	        ));

			if ( isset( $content_options[$default_setting] ) ):
            	$default_setting_array = sprintf( esc_html__('Default (%s)','boxy-studio'), ( $content_options[$default_setting] ? $content_options[$default_setting] : $content_options['default'] ) );
            	array_unshift( $content_options, $default_setting_array );
            	unset( $content_options[$default_setting] );

            	$new_default[$default_setting] = $content_options[0];
				unset($content_options[0]);

				$content_options = $new_default + $content_options;
            endif;

			?><tr><th scope="row"><label for="boxytheme_page_settings_title"><?php esc_html_e('Content Width','boxy-studio'); ?></label></th>
				<td>
					<select id="boxytheme_page_settings_page_content" name="_boxytheme_page_settings[page_content]">
						<?php foreach( $content_options as $value => $name ):
							echo '<option value="' . $value . '"' . ( $this_setting == $value ? ' selected' : '' ) . '>' . $name . '</option>';
						endforeach; ?>
					</select>
				</td>
			</tr><?php

			// Sidebar
			if ( !empty($wp_registered_sidebars) ):

				$this_setting = ( isset( $bx_page_settings['sidebar'] ) && $bx_page_settings['sidebar'] ? $bx_page_settings['sidebar'] : false );

				?><tr><th scope="row"><label for="boxytheme_page_settings_sidebar"><?php esc_html_e('Sidebar','boxy-studio'); ?></label></th>
					<td>
						<select id="boxytheme_page_settings_sidebar" name="_boxytheme_page_settings[sidebar]">
							<option value="disabled"><?php esc_html_e( 'Disabled', 'boxy-studio' ); ?></option>
							<?php foreach( $wp_registered_sidebars as $slug => $sb ):
								echo '<option ' . ( $this_setting == $slug || $slug == 'sidebar-2' && !$this_setting ? ' selected' : '') . ' value="' . ( $slug == 'sidebar-2' ? 0 : esc_attr( $slug ) ) . '">' . esc_attr( $sb['name'] ) . '</option>';
							endforeach; ?>
						</select>
						<p><small><?php esc_html_e( 'You can choose a custom sidebar for this page, or disable the sidebar all-together.','boxy-studio'); ?></small></p>
					</td>
				</tr><?php

			endif;

			// Featured Image
            $new_default = array();
			$default_setting = ( isset( $bx_options['boxytheme_page_thumbnail_layout'] ) ? $bx_options['boxytheme_page_thumbnail_layout'] : false );
			$this_setting = ( isset( $bx_page_settings['page_thumbnail_layout'] ) && $bx_page_settings['page_thumbnail_layout'] ? $bx_page_settings['page_thumbnail_layout'] : false );

			$thumbnail_layout_options = array(
				'disabled' 			=> esc_html__('Disabled','boxy-studio'),
                'page_banner' 		=> esc_html__('Page Banner w/Title','boxy-studio'),
                'page_banner_blank' => esc_html__('Page Banner w/o Title','boxy-studio'),
                'inline' 			=> esc_html__('Inline','boxy-studio')
            );

			if ( isset( $thumbnail_layout_options[$default_setting] ) ):
            	$default_setting_array = sprintf( esc_html__('Default (%s)','boxy-studio'), ( $thumbnail_layout_options[$default_setting] ? $thumbnail_layout_options[$default_setting] : $thumbnail_layout_options['page_banner'] ) );
            	array_unshift( $thumbnail_layout_options, $default_setting_array );
            	unset( $thumbnail_layout_options[$default_setting] );
            	$new_default[$default_setting] = $thumbnail_layout_options[0];
				unset($thumbnail_layout_options[0]);
				$thumbnail_layout_options = $new_default + $thumbnail_layout_options;
            endif;

			?><tr><th scope="row"><label for="boxytheme_page_settings_title"><?php esc_html_e('Featured Image','boxy-studio'); ?></label></th>
				<td>
					<select id="boxytheme_page_settings_page_thumbnail_layout" name="_boxytheme_page_settings[page_thumbnail_layout]">
						<?php foreach( $thumbnail_layout_options as $value => $name ):
							echo '<option value="' . $value . '"' . ( $this_setting == $value ? ' selected' : '' ) . '>' . $name . '</option>';
						endforeach; ?>
					</select>
				</td>
			</tr><?php

			// Page Title
            $new_default = array();
			$default_setting = ( isset( $bx_options['boxytheme_page_title'] ) ? $bx_options['boxytheme_page_title'] : false );
			$this_setting = ( isset( $bx_page_settings['title'] ) && $bx_page_settings['title'] ? $bx_page_settings['title'] : false );

			?><tr><th scope="row"><label for="boxytheme_page_settings_title"><?php esc_html_e('Page Title','boxy-studio'); ?></label></th>
				<td>
					<select id="boxytheme_page_settings_title" name="_boxytheme_page_settings[title]">
						<option value="0"><?php echo sprintf( esc_html__( 'Default (%s)', 'boxy-studio' ), ( $default_setting == 'enabled' || !$default_setting ? esc_html__('Enabled','boxy-studio') : esc_html__('Disabled','boxy-studio') ) ); ?></option>
						<?php echo ( $default_setting == 'disabled' ? '<option value="enabled"' . ( $this_setting == 'enabled' ? ' selected' : '' ) . '>' . esc_html__( 'Enabled', 'boxy-studio' ) . '</option>' : '' ); ?>
						<?php echo ( $default_setting == 'enabled' || !$default_setting ? '<option value="disabled"' . ( $this_setting == 'disabled' ? ' selected' : '' ) . '>' . esc_html__( 'Disabled', 'boxy-studio' ) . '</option>' : '' ); ?>
					</select>
				</td>
			</tr><?php

			// Breadcrumbs
            $new_default = array();
			$default_setting = ( isset( $bx_options['boxytheme_breadcrumbs'] ) ? $bx_options['boxytheme_breadcrumbs'] : false );
			$this_setting = ( isset( $bx_page_settings['breadcrumbs'] ) && $bx_page_settings['breadcrumbs'] ? $bx_page_settings['breadcrumbs'] : false );

			?><tr><th scope="row"><label for="boxytheme_page_settings_breadcrumbs"><?php esc_html_e('Breadcrumbs','boxy-studio'); ?></label></th>
				<td>
					<select id="boxytheme_page_settings_breadcrumbs" name="_boxytheme_page_settings[breadcrumbs]">
						<option value="0"><?php echo sprintf( esc_html__( 'Default (%s)', 'boxy-studio' ), ( $default_setting == 'enabled' || !$default_setting ? esc_html__('Enabled','boxy-studio') : esc_html__('Disabled','boxy-studio') ) ); ?></option>
						<?php echo ( $default_setting == 'disabled' ? '<option value="enabled"' . ( $this_setting == 'enabled' ? ' selected' : '' ) . '>' . esc_html__( 'Enabled', 'boxy-studio' ) . '</option>' : '' ); ?>
						<?php echo ( $default_setting == 'enabled' || !$default_setting ? '<option value="disabled"' . ( $this_setting == 'disabled' ? ' selected' : '' ) . '>' . esc_html__( 'Disabled', 'boxy-studio' ) . '</option>' : '' ); ?>
					</select>
				</td>
			</tr>

		</tbody></table>

	</div><?php

}

add_action( 'boxytheme_page_fields', 'boxytheme_render_page_fields', 10 );