<?php

class WP3CXC2C_ClickToTalkForm {

	const post_type = 'wp3cxc2c_c2c_form';

	private static $found_items = 0;
	private static $current = null;

	private $id;
	private $name;
	private $title;
	private $locale;
	private $properties = array();
	private $unit_tag;
	private $responses_count = 0;
	private $scanned_form_tags;
	private $shortcode_atts = array();

	public static function count() {
		return self::$found_items;
	}

	public static function get_current() {
		return self::$current;
	}

	public static function register_post_type() {
		register_post_type( self::post_type, array(
			'labels' => array(
				'name' => __( 'Click To Talk items', '3cx-clicktotalk' ),
				'singular_name' => __( 'Click To Talk item', '3cx-clicktotalk' ),
			),
			'rewrite' => false,
			'query_var' => false,
		) );
	}

	public static function find( $args = '' ) {
		$defaults = array(
			'post_status' => 'any',
			'posts_per_page' => -1,
			'offset' => 0,
			'orderby' => 'ID',
			'order' => 'ASC',
		);

		$args = wp_parse_args( $args, $defaults );

		$args['post_type'] = self::post_type;

		$q = new WP_Query();
		$posts = $q->query( $args );

		self::$found_items = $q->found_posts;

		$objs = array();

		foreach ( (array) $posts as $post ) {
			$objs[] = new self( $post );
		}

		return $objs;
	}

	public static function get_template( $args = '' ) {
		global $l10n;

		$defaults = array( 'locale' => null, 'title' => '' );
		$args = wp_parse_args( $args, $defaults );

		$locale = $args['locale'];
		$title = $args['title'];

		if ( $locale ) {
			$mo_orig = $l10n['3cx-clicktotalk'];
			wp3cxc2c_load_textdomain( $locale );
		}

		self::$current = $clicktotalk_form = new self;
		$clicktotalk_form->title =
			( $title ? $title : __( 'Untitled', '3cx-clicktotalk' ) );
		$clicktotalk_form->locale = ( $locale ? $locale : get_user_locale() );

		$properties = $clicktotalk_form->get_properties();
		
		$clicktotalk_form->properties = $properties;

		$clicktotalk_form = apply_filters( 'wp3cxc2c_clicktotalk_form_default_pack',
			$clicktotalk_form, $args );

		if ( isset( $mo_orig ) ) {
			$l10n['3cx-clicktotalk'] = $mo_orig;
		}

		return $clicktotalk_form;
	}

	public static function get_instance( $post ) {
		$post = get_post( $post );

		if ( ! $post || self::post_type != get_post_type( $post ) ) {
			return false;
		}

		return self::$current = new self( $post );
	}

	private static function get_unit_tag( $id = 0 ) {
		static $global_count = 0;

		$global_count += 1;

		if ( in_the_loop() ) {
			$unit_tag = sprintf( 'wp3cxc2c-f%1$d-p%2$d-o%3$d',
				absint( $id ), get_the_ID(), $global_count );
		} else {
			$unit_tag = sprintf( 'wp3cxc2c-f%1$d-o%2$d',
				absint( $id ), $global_count );
		}

		return $unit_tag;
	}

	private function __construct( $post = null ) {
		$post = get_post( $post );

		if ( $post && self::post_type == get_post_type( $post ) ) {
			$this->id = $post->ID;
			$this->name = $post->post_name;
			$this->title = $post->post_title;
			$this->locale = get_post_meta( $post->ID, '_locale', true );

			$properties = $this->get_properties();

			foreach ( $properties as $key => $value ) {
				if ( metadata_exists( 'post', $post->ID, '_' . $key ) ) {
					$properties[$key] = get_post_meta( $post->ID, '_' . $key, true );
				} elseif ( metadata_exists( 'post', $post->ID, $key ) ) {
					$properties[$key] = get_post_meta( $post->ID, $key, true );
				}
			}

			$this->properties = $properties;
			$this->upgrade();
		}

		do_action( 'wp3cxc2c_clicktotalk_form', $this );
	}

	public function __get( $name ) {
		$message = __( '<code>%1$s</code> property of a <code>WP3CXC2C_ClickToTalkForm</code> object is <strong>no longer accessible</strong>. Use <code>%2$s</code> method instead.', '3cx-clicktotalk' );

		if ( 'id' == $name ) {
			if ( WP_DEBUG ) {
				trigger_error( sprintf( $message, 'id', 'id()' ) );
			}

			return $this->id;
		} elseif ( 'title' == $name ) {
			if ( WP_DEBUG ) {
				trigger_error( sprintf( $message, 'title', 'title()' ) );
			}

			return $this->title;
		} elseif ( $prop = $this->prop( $name ) ) {
			if ( WP_DEBUG ) {
				trigger_error(
					sprintf( $message, $name, 'prop(\'' . $name . '\')' ) );
			}

			return $prop;
		}
	}

	public function initial() {
		return empty( $this->id );
	}

	public function prop( $name ) {
		$props = $this->get_properties();
		return isset( $props[$name] ) ? $props[$name] : null;
	}

	public function get_properties() {
		$properties = (array) $this->properties;

		$properties = wp_parse_args( $properties, array(
			'form' => '',
			'config' => array()
		) );

		$properties = (array) apply_filters( 'wp3cxc2c_clicktotalk_form_properties',
			$properties, $this );

		return $properties;
	}

	public function set_properties( $properties ) {
		$defaults = $this->get_properties();

		$properties = wp_parse_args( $properties, $defaults );
		$properties = array_intersect_key( $properties, $defaults );

		$this->properties = $properties;
	}

	public function id() {
		return $this->id;
	}

	public function name() {
		return $this->name;
	}

	public function title() {
		return $this->title;
	}

	public function set_title( $title ) {
		$title = strip_tags( $title );
		$title = trim( $title );

		if ( '' === $title ) {
			$title = __( 'Untitled', '3cx-clicktotalk' );
		}

		$this->title = $title;
	}

	public function locale() {
		if ( wp3cxc2c_is_valid_locale( $this->locale ) ) {
			return $this->locale;
		} else {
			return '';
		}
	}

	public function set_locale( $locale ) {
		$locale = trim( $locale );

		if ( wp3cxc2c_is_valid_locale( $locale ) ) {
			$this->locale = $locale;
		} else {
			$this->locale = 'en_US';
		}
	}

	public function shortcode_attr( $name ) {
		if ( isset( $this->shortcode_atts[$name] ) ) {
			return (string) $this->shortcode_atts[$name];
		}
	}

	// Return true if this form is the same one as currently POSTed.
	public function is_posted() {

		if ( empty( $_POST['_wp3cxc2c_unit_tag'] ) ) {
			return false;
		}

		return $this->unit_tag == $_POST['_wp3cxc2c_unit_tag'];
	}

	/* Generating item HTML */

	public function form_html( $args = '' ) {
		$args = wp_parse_args( $args, array(
			'html_id' => '',
			'html_name' => '',
			'html_class' => '',
			'output' => 'form',
		) );

		$this->shortcode_atts = $args;

		if ( 'raw_form' == $args['output'] ) {
			return '<pre class="wp3cxc2c-raw-form"><code>'
				. esc_html( $this->prop( 'form' ) ) . '</code></pre>';
		}

		$this->unit_tag = self::get_unit_tag( $this->id );

		$lang_tag = str_replace( '_', '-', $this->locale );

		if ( preg_match( '/^([a-z]+-[a-z]+)-/i', $lang_tag, $matches ) ) {
			$lang_tag = $matches[1];
		}
		
		$config = $this->properties['config'];
		//error_log(print_r($config,true));
		
		$pbxurl = $config['pbxurl'];
		$p = explode('/callus#',$pbxurl.'/callus#');
		$phonesystemurl = $p[0];
		$party = $p[1];
		$enablephone = ($config['aspect'] == 'both' || $config['aspect'] == 'phone') ? 'true' : 'false';
		$minimized = ($config['minimized']) ? 'true' : 'false';
		$enablevideo = ($config['enablevideo']) ? 'true' : 'false';
		
		$tag='call-us';
		if ($config['aspect']=='phone'){
				$tag='call-us-phone';
		}
		
		$html='<'.$tag.' id="'.$this->id.'" style="position: fixed; bottom: 8px; right: 8px;"
         phonesystem-url="'.$phonesystemurl.'"
         party="'.$party.'"';
		if ($tag=='call-us'){
				 $html.='invite-message="'.$config['welcomemessage'].'" 
		 allow-call="'.$enablephone.'"
		 operator-name="'.$config['welcomemessagesender'].'" 
				 allow-video="'.$enablevideo.'"
				 minimized="'.$minimized.'"
				 window-title="'.$config['chatboxtitle'].'" 
         authentication="'.$config['requireidentity'].'"';
		} else {
			$html.='call-title="'.$config['phoneboxtitle'].'"';
		}
		$html.='></'.$tag.'>';
				 

		
		return $html;
	}

	/* Upgrade */

	private function upgrade() {
		$config = $this->prop( 'config' );
		$this->properties['config'] = $config;
	}

	/* Save */

	public function save() {
		$props = $this->get_properties();

		$post_content = implode( "\n", wp3cxc2c_array_flatten( $props ) );

		if ( $this->initial() ) {
			$post = array(
				'post_type' => self::post_type,
				'post_status' => 'publish',
				'post_title' => $this->title,
				'post_content' => trim( $post_content ),
			);
			$post_id = wp_insert_post( $post );
		} else {
			$post = array(
				'ID' => (int) $this->id,
				'post_status' => 'publish',
				'post_title' => $this->title,
				'post_content' => trim( $post_content ),
			);
			$post_id = wp_update_post( $post );
		}
		
		if ( $post_id ) {
			foreach ( $props as $prop => $value ) {
				update_post_meta( $post_id, '_' . $prop,
					wp3cxc2c_normalize_newline_deep( $value ) );
			}

			if ( wp3cxc2c_is_valid_locale( $this->locale ) ) {
				update_post_meta( $post_id, '_locale', $this->locale );
			}

			if ( $this->initial() ) {
				$this->id = $post_id;
				do_action( 'wp3cxc2c_after_create', $this );
			} else {
				do_action( 'wp3cxc2c_after_update', $this );
			}

			do_action( 'wp3cxc2c_after_save', $this );
		}

		return $post_id;
	}

	public function copy() {
		$new = new self;
		$new->title = $this->title . '_copy';
		$new->locale = $this->locale;
		$new->properties = $this->properties;

		return apply_filters( 'wp3cxc2c_copy', $new, $this );
	}

	public function delete() {
		if ( $this->initial() ) {
			return;
		}

		if ( wp_delete_post( $this->id, true ) ) {
			$this->id = 0;
			return true;
		}

		return false;
	}

	public function shortcode( $args = '' ) {
		$args = wp_parse_args( $args, array(
			'use_old_format' => false ) );

		$title = str_replace( array( '"', '[', ']' ), '', $this->title );

		if ( $args['use_old_format'] ) {
			$old_unit_id = (int) get_post_meta( $this->id, '_old_cf7_unit_id', true );

			if ( $old_unit_id ) {
				$shortcode = sprintf( '[clicktotalk-form %1$d "%2$s"]', $old_unit_id, $title );
			} else {
				$shortcode = '';
			}
		} else {
			$shortcode = sprintf( '[3cx-clicktotalk id="%1$d" title="%2$s"]',
				$this->id, $title );
		}

		return apply_filters( 'wp3cxc2c_clicktotalk_form_shortcode', $shortcode, $args, $this );
	}
}