<?php
namespace Agp\Plugin\Fac;

use Fac\Core\Fields\RepeaterAbstract;

class Slider extends RepeaterAbstract {
    
    /**
     * Layout orientation
     * 
     * @var string
     */
    private $layoutOrientation = 'vertical'; // vertical or horizontal
    
    /**
     * The single instance of the class 
     * 
     * @var Slider
     */
    protected static $_instance = null;    

	/**
	 * Main Instance
	 *
     * @return object
	 */
	public static function instance() {
		if ( is_null( self::$_instance ) ) {
			self::$_instance = new self(dirname(dirname(__FILE__)));
		}
		return self::$_instance;
	}    
    
	/**
	 * Cloning is forbidden.
	 */
	public function __clone() {
	}

	/**
	 * Unserializing instances of this class is forbidden.
	 */
	public function __wakeup() {
    }        
    
    public function __construct($baseDir) {
        parent::__construct($baseDir);
        
        add_action( 'add_meta_boxes', array( $this, 'addSliderMetaboxes' ) );        
        add_action( 'save_post', array( $this, 'saveSliderMetaboxes' ), 1, 2); 
        $this->initRepeater('fac_sliders', 'Slider Content', 'fac-sliders', 'normal');
        $this->setLayoutOrientation($this->layoutOrientation);
    }
    
    public function addSliderMetaboxes() {
        add_meta_box('fac_shortcodes_name', 'Slider Parameters', array( $this, 'viewSliderMetabox' ), 'fac-sliders', 'normal', 'default');        
    }    
    
    public function saveSliderMetaboxes( $post_id, $post ) {
        if ( empty( $_POST['fac_slider_noncename'] ) 
            || !wp_verify_nonce( $_POST['fac_slider_noncename'],  basename(Fac()->getBaseDir()) )
            || !current_user_can( 'edit_post', $post->ID ) ) {
            return $post->ID;
        }

        $shortcodes_meta['_name'] = $_POST['_name'];
        $shortcodes_meta['_type'] = $_POST['_type'];

        foreach ($shortcodes_meta as $key => $value) {
            if( $post->post_type == 'revision' ) return;
            
            $value = implode(',', (array) $value);            
            if ( !$value ) {
                delete_post_meta($post->ID, $key); 
            } else {
                update_post_meta($post->ID, $key, esc_attr( $value ));
            }
        }    
    }  
    
    public function viewSliderMetabox( $post ) {
        global $post;
        $atts = array(
            'name' => get_post_meta($post->ID, '_name', true),
            'type' => get_post_meta($post->ID, '_type', true),
            'post' => $post,
            'sliderTypes' => Fac()->getSettings()->objectToArray(Fac()->getSettings()->getConfig()->fieldSet->slider_types),
        );
        
        echo Fac()->getTemplate('admin/slider/parameters', $atts);
    }    
    
    
    public function saveMetaboxes( $post_id, $post ) {
        if ( empty( $_POST['fac_slider_noncename'] ) 
            || !wp_verify_nonce( $_POST['fac_slider_noncename'],  basename(Fac()->getBaseDir()) )
            || !current_user_can( 'edit_post', $post->ID ) ) {
            return $post->ID;
        }        

        $data = $_POST[$this->getId() . '_data'];
        if (isset($data[0])) {
            unset($data[0]);
        }
        
        if (!empty($data) && is_array($data)) {
            foreach ($data as &$v) {
                if (!empty($v) && is_array($v)) {
                    foreach ($v as &$vc) {
                        $vc = esc_attr( $vc );    
                    }
                } else {
                    $v = esc_attr( $v );    
                }
                
            }
        }

        $meta[$this->getId() . '_data'] = $data;
        
        foreach ($meta as $key => $value) {
            if( $post->post_type == 'revision' ) return;

            if ( !$value ) {
                delete_post_meta($post->ID, $key); 
            } else {
                update_post_meta($post->ID, $key, $value);
            }
        }   
    }    
    
    public function getLayoutOrientation() {
        return $this->layoutOrientation;
    }

    public function setLayoutOrientation($layoutOrientation) {
        $this->layoutOrientation = $layoutOrientation;

        $this->setHeaderTemplateAdminName("admin/slider/{$this->layoutOrientation}/header");
        $this->setLayoutTemplateAdminName("admin/slider/{$this->layoutOrientation}/layout");
        $this->setRowTemplateAdminName("admin/slider/{$this->layoutOrientation}/row");                
        
        return $this;
    }

    public function getSliderType ($post_id) {
        $result = get_post_meta($post_id, '_type', true);
        if (empty($result)) {
            $result = 'default';
        }
        return $result;
    }
    
    
}