<?php

if ( !class_exists( 'Afd_Admin_Show_Announce' ) ) :

final class Afd_Admin_Show_Announce
{

	private $assets_url;
	private $script_slug;

	private $announces;

	public function __construct()
	{
		
		global $Afd;

		if( $Afd->Env->is_ajax ) {
			
			return false;
			
		}
		
		$this->assets_url   = $Afd->plugin_url . trailingslashit( basename( dirname( __FILE__ ) ) ) . trailingslashit( 'assets' );
		$this->script_slug  = $Afd->ltd . '_announce';

		add_action( $Afd->ltd . '_before_admin_init' , array( $this , 'before_init' ) );
		add_action( $Afd->ltd . '_admin_init' , array( $this , 'admin_init' ) );
		add_action( $Afd->ltd . '_do_announce' , array( $this , 'do_announce' ) );
		add_action( $Afd->ltd . '_admin_ajax' , array( $this , 'admin_ajax' ) );

	}
	
	public function before_init()
	{
		
		global $Afd;
		
		add_filter( $Afd->ltd . '_before_announce' , array( $this , 'refine_multisite' ) , 5 );
		add_filter( $Afd->ltd . '_before_announce' , array( $this , 'refine_user_role' ) , 5 );
		add_filter( $Afd->ltd . '_before_announce' , array( $this , 'refine_date_range' ) , 5 );

		add_filter( $Afd->ltd . '_apply_content' , 'wptexturize' );
		add_filter( $Afd->ltd . '_apply_content' , 'convert_smilies' );
		add_filter( $Afd->ltd . '_apply_content' , 'convert_chars' );
		add_filter( $Afd->ltd . '_apply_content' , 'wpautop' );
		add_filter( $Afd->ltd . '_apply_content' , 'shortcode_unautop' );
		add_filter( $Afd->ltd . '_apply_content' , 'prepend_attachment' );
		add_filter( $Afd->ltd . '_apply_content' , 'do_shortcode' , 11 );

		add_action( $Afd->ltd . '_do_announce' , array( $this , 'do_announce' ) );

	}
	
	public function refine_multisite( $announces )
	{
		
		global $Afd;
		
		if( empty( $announces ) ) {
			
			return $announces;
			
		}
		
		if( !$Afd->Site->is_multisite ) {
			
			return $announces;
			
		}
		
		$current_site_announces = array();
		
		foreach( $announces as $key => $data ) {
			
			if( empty( $data['standard'] ) ) {
				
				continue;
				
			}
			
			$standard = $data['standard'];
			$subsites = array();
			
			if( !empty( $data['subsites'] ) ) {
				
				$subsites = $data['subsites'];

			}
			
			if( $standard == 'all' ) {
				
				if( !array_key_exists( $Afd->Site->blog_id , $subsites ) ) {
					
					$current_site_announces[$key] = $data;
					
				}

			} elseif( $standard == 'not' ) {
				
				if( array_key_exists( $Afd->Site->blog_id , $subsites ) ) {
					
					$current_site_announces[$key] = $data;
					
				}

			}
		
		}
		
		return $current_site_announces;

	}

	public function refine_user_role( $announces )
	{
		
		global $Afd;
		
		if( empty( $announces ) ) {
			
			return $announces;
			
		}
		
		if( empty( $Afd->User->user_role ) ) {
			
			return $announces;
			
		}
		
		$user_announces = array();
		
		foreach( $announces as $key => $data ) {
		
			if( !empty( $data['role'][$Afd->User->user_role] ) ) {
				
				$user_announces[$key] = $data;
				
			}

		}
		
		return $user_announces;

	}

	public function refine_date_range( $announces )
	{
		
		global $Afd;
		
		if( empty( $announces ) ) {
			
			return $announces;
			
		}
		
		$date_range_announces = array();
		
		$current_time_stamp = current_time( 'timestamp' );
		
		if( $Afd->Site->is_multisite ) {
			
			$main_blog_id = $Afd->Helper->get_main_blog_id();

			switch_to_blog( $main_blog_id );
			
			$current_time_stamp = current_time( 'timestamp' );
			
			restore_current_blog();
			
		}
		
		foreach( $announces as $key => $data ) {
		
			if( empty( $data['range']['start'] ) && empty( $data['range']['end'] ) ) {
				
				$date_range_announces[$key] = $data;
				
			} else {
				
				$range_flag = true;
				
				if( !empty( $data['range']['start'] ) && !empty( $data['date']['start'] ) ) {
					
					$timestamp = strtotime( $data['date']['start'] );
					
					if( $current_time_stamp < $timestamp ) {
						
						$range_flag = false;
						
					}
					
				}
				
				if( !empty( $data['range']['end'] ) && !empty( $data['date']['end'] ) ) {
					
					$timestamp = strtotime( $data['date']['end'] );
					
					if( $current_time_stamp > $timestamp ) {
						
						$range_flag = false;
						
					}
					
				}
				
				if( $range_flag ) {
					
					$date_range_announces[$key] = $data;

				}

			}
			

		}
		
		return $date_range_announces;

	}
	
	public function admin_init()
	{
		
		global $Afd;
		
		do_action( $Afd->ltd . '_do_announce' );

	}
	
	public function do_announce()
	{
		
		global $Afd;

		if( $Afd->Env->is_network_admin ) {
			
			return false;
			
		}

		add_action( 'load-index.php' , array( $this , 'screen_dashboard' ) );
		
	}
	
	public function screen_dashboard()
	{
		
		global $Afd;
		
		$announces = $Afd->Api->get_announces();

		if( empty( $announces ) ) {
			
			return false;
			
		}
		
		$this->announces = $announces;
		
		add_action( 'admin_print_scripts' , array( $this , 'admin_print_scripts' ) );
		add_action( 'admin_notices' , array( $this , 'announce_notices' ) , 99 );
		add_action( 'wp_dashboard_setup' , array( $this , 'wp_dashboard_setup' ) );
		
	}
	
	public function admin_print_scripts()
	{
		
		global $Afd;
		
		wp_enqueue_style( $this->script_slug ,  $this->assets_url . 'css/announce.css' , array() , $Afd->ver );

	}
	
	public function announce_notices()
	{
		
		global $Afd;
		
		if( empty( $this->announces ) ) {
			
			return false;
			
		}
		
		foreach( $this->announces as $announce_id => $announce ) {
			
			if( !in_array( $announce['type'] , array( 'normal' , 'updated' , 'error' , 'nonstyle' ) ) ) {
				
				continue;
				
			}
			
			$class = 'announce ';
			
			if( in_array( $announce['type'] , array( 'updated' , 'error' ) ) ) {
				
				$class .= $announce['type'];
				
			} else {
				
				$class .= 'updated ' . $announce['type'];
				
			}
			
			printf( '<div class="%s" id="announce-id-%d">' , $class , $announce_id );
			
			if( !empty( $announce['title'] ) ) {
				
				printf( '<p><strong>%s</strong></p>' , $announce['title'] );

			}
			
			echo $Afd->Api->content_format( $announce['content'] );
			
			echo '</div>';
			
		}

	}
	
	public function wp_dashboard_setup()
	{
		
		global $Afd;
		
		if( empty( $this->announces ) ) {
			
			return false;
			
		}
		
		foreach( $this->announces as $announce_id => $announce ) {
			
			if( $announce['type'] != 'metabox' ) {
				
				continue;
				
			}
			
			$metabox_id = 'announce-id-' . $announce_id;

			add_meta_box( $metabox_id , $announce['title'] , array( $this , 'dashboard_do_metabox' ) , 'dashboard' , 'normal' , 'high' , array( 'announce_id' => $announce_id ) );
			add_filter( 'postbox_classes_dashboard_' . $metabox_id , array( $this , 'postbox_classes' ) );
			
		}

	}
	
	public function dashboard_do_metabox( $output , $metabox )
	{
		
		global $Afd;
		
		$announce_id = $metabox['args']['announce_id'];

		if( empty( $this->announces[$announce_id] ) ) {
			
			return false;
			
		}
		
		$announce = $this->announces[$announce_id];

		echo $Afd->Api->content_format( $announce['content'] );

	}
	
	public function postbox_classes( $classes = array() )
	{
		
		global $Afd;
		
		$classes[] = $Afd->ltd . '-metabox';
		
		return $classes;

	}

	public function admin_ajax() {}

}

new Afd_Admin_Show_Announce();

endif;