class MP_Addon_SMS_Callback {


	/**
	 * Email settings.
	 *
	 * @var mixed|void
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public $options_email;


	/**
	 * Lead settings.
	 *
	 * @var mixed|void
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public $lead_settings;

	/**
	 * Style settings.
	 *
	 * @var mixed|void
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public $options_style;


	/**
	 * Twilio account sid.
	 *
	 * @var string
	 *
	 * @since 1.0.0
	 * @access private
	 */
	private $account_sid;

	/**
	 * Twilio auth token.
	 *
	 * @var string
	 *
	 * @since 1.0.0
	 * @access private
	 */
	private $auth_token;

	/**
	 * Twilio phone number.
	 *
	 * @var string
	 *
	 * @since 1.0.0
	 * @access private
	 */
	private $twilio_number;



	/**
	 * SMS constructor.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function __construct() {
		$this->options_email = get_option( MortgagePlatform::$prefix . 'sms' );
		$this->lead_settings = get_option( MortgagePlatform::$prefix . 'leads' );
		$this->options_style = get_option( MortgagePlatform::$prefix . 'style' );

		$this->account_sid   = get_option( MortgagePlatform::$prefix . 'sms' )['account_sid'];
		$this->auth_token    = get_option( MortgagePlatform::$prefix . 'sms' )['auth_token'];
		$this->twilio_number = get_option( MortgagePlatform::$prefix . 'sms' )['twilio_phone'];
	}


	/**
	 * Callback function to response sms.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function response_sms() {

		$phone = MP_Settings::is_isset( $_POST['From'], null );
		$body  = MP_Settings::is_isset( $_POST['Body'] );

		$post_id = $this->request_lead( $phone );

		if ($post_id) {
			var_dump($post_id);

			$this->add_sms_message($post_id, $body);

			MP_Logs::set_logs( $post_id, 'incoming_sms', ' from: ' . $phone );

			update_metadata( 'post', $post_id, MortgagePlatform::$prefix . 'sms_status', true, '' );

			$this->send_message_about_new_sms();

			$this->send_thanks_message($post_id);
		} else {
			$this->send_thanks_message();
		}
	}


	/**
	 * Add SMS message for Lead page.
	 *
	 * @access private
	 * @since 1.0.0
	 *
	 * @param int|string $post_id Post id.
	 * @param string $body sms message.
	 */
	private function add_sms_message($post_id, $body) {
		$message = array(
			'date' => current_time( 'Y-m-d H:i:s' ),
			'body' => $body,
			'from' => 'user',
		);

		add_metadata( 'post', $post_id, MortgagePlatform::$prefix . 'sms', wp_slash( $message ), '' );

	}

	/**
	 * Send SMS to admin about a new SMS from the Lead.
	 *
	 * @access private
	 * @since 1.0.0
	 */
	private function send_message_about_new_sms() {

		if ( get_option( MortgagePlatform::$prefix . 'sms' )['send_sms_to_admin_from_lead'] &&
		     ( ! empty( get_option( MortgagePlatform::$prefix . 'sms' )['number_sms_to_admin'] ) ||
		       ! empty( get_option( MortgagePlatform::$prefix . 'sms' )['send_additional_sms'] ) ) ) {

			$admin_phone = MP_Settings::check_data( get_option( MortgagePlatform::$prefix . 'sms' )['number_sms_to_admin'], get_option( MortgagePlatform::$prefix . 'sms' )['send_additional_sms'] );

			return $this->send( $admin_phone, __( 'You have a new SMS from the Lead', 'CalculatorSMSAddon' ) );
		}
	}


	/**
	 * Send thank you SMS to Lead.
	 *
	 * @access private
	 * @since 1.0.0
	 *
	 * @param int|string|null $post_id Post ID of the Lead.
	 */
	private function send_thanks_message($post_id = null) {

		if ($post_id) {
			$sms_dates = get_post_meta( $post_id, MortgagePlatform::$prefix . 'sms' );

			if ($sms_dates) {
				foreach ( $sms_dates as $sms_date ) {
					$smsdate = $sms_date['date'];
					$smsdate = time() - strtotime( $smsdate );
					if ( $smsdate > 3600 ) {
						$this->thanks_message();
					}
				}
			}
		} else {
			$this->thanks_message();
		}


	}


	/**
	 * Send thank you SMS to Lead.
	 *
	 * @access private
	 * @since 1.0.0
	 */
	private function thanks_message(){

		$response = new TwiML\MessagingResponse();

		$message = get_option( MortgagePlatform::$prefix . 'sms' )['send_thankyou_sms'] ? get_option( MortgagePlatform::$prefix . 'sms' )['send_thankyou_sms'] : __( 'Thank you for your message, we will reply to you shortly.', 'CalculatorSMSAddon' );
		$response->message( $message );
		print esc_attr( $response );
		wp_die();
	}


	/**
	 * Request Lead by phone number in database.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param string $phone phone
	 *
	 * @return mixed
	 */
	public function request_lead( $phone ) {

		$found = false;
		$phone_query = wp_cache_get('sms_addon_phone', MortgagePlatform::$domain, false, $found);
		if(!$found){
			$phone_query = new \WP_Query(
				array(
					'post_type'      => array( MortgagePlatform::$lead, MortgagePlatform::$abandoned_lead ),
					'posts_per_page' => - 1,
					'post_status'    => array( 'publish', 'pending' ),
					'orderby'        => array(
						'ID' => 'DESC',
					),
					'meta_query'     => array(
						'relation' => 'OR',
						array(
							'key'   => MortgagePlatform::$prefix . 'lead_phone',
							'value' => $phone,
						),
						array(
							'key'   => MortgagePlatform::$prefix . 'abandoned_lead_phone',
							'value' => ltrim( $phone, '+' ),
						),
					),
				)
			);
			wp_cache_set('sms_addon_phone', $phone_query, MortgagePlatform::$domain, WEEK_IN_SECONDS);
		}


		$leads = array();
		if ( $phone_query->have_posts() ) {

			while ( $phone_query->have_posts() ) {
				$phone_query->the_post();

				$post_id = $phone_query->post->ID;
				array_push( $leads, $post_id );

			}
		}

		wp_reset_postdata();

		return !empty($leads) ? $leads[0] : false;

	}


	/**
	 * Send Text Message.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param string $phone phone
	 * @param string $body message
	 *
	 * @return \Twilio\Rest\Api\V2010\Account\MessageInstance
	 */
	public function send( $phone, $body ) {

		$twilio  = new Client( $this->account_sid, $this->auth_token );
		$message = $twilio->messages->create(
			$phone,
			array(
				'from' => $this->twilio_number,
				'body' => $body,
			)
		);

		return $message;
	}




	/**
	 * Send manually sms to lead from the lead page.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function json_send_sms() {

		MP_Callback::check_nonce( $_POST['nonce'], 'mortgage_json-request' );

		$post_id = $_POST['leadId'];
		$number  = '+' . $_POST['leadPhone'];
		$body    = $_POST['leadSMSText'];

		$smssend = $this->send( $number, $body );

		$smssend_status = '' === $smssend->errorMessage ? 'Success' : $smssend->errorMessage;
		MP_Logs::set_logs( $post_id, 'lead_sms_manually', $smssend_status . ': SID: ' . $smssend->sid );

		$message = array(
			'date' => current_time( 'Y-m-d H:i:s' ),
			'body' => $body,
			'from' => 'admin',
		);

		add_metadata( 'post', $post_id, MortgagePlatform::$prefix . 'sms', wp_slash( $message ), '' );

		$response['status']  = $smssend_status;
		$response['message'] = $message;

		wp_send_json( $response );

	}


	/**
	 * Send SMS metabox.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function metabox_send_sms( $post_id ) {

		$site_url = get_site_url( '', '/wp-admin/post.php?post=' . $post_id . '&action=edit' );
		if ( $this->options_style['bitly'] ) {
			$bitly    = new MP_Bitly();
			$site_url = $bitly->get_short( $site_url );
		}

		if ( $this->options_email['send_sms'] &&
		   ! empty( $this->options_email['account_sid'] ) &&
		   ! empty( $this->options_email['auth_token'] ) &&
		   ! empty( $this->options_email['twilio_phone'] )

		) {

			if ( $this->options_email['send_sms_to_user'] && isset( $this->lead_settings['phone'] ) ) {
				$number  = $this->lead_settings['phone'];
				$body    = $this->options_email['body_sms_to_user'] ? $this->options_email['body_sms_to_user'] : __( 'Thank you', 'CalculatorSMSAddon' );
				$smssend = $this->send( $number, $body );

				$smssend_status = '' === $smssend->errorMessage ? 'Success' : $smssend->errorMessage;
				MP_Logs::set_logs( $post_id, 'user_sms', $smssend_status . ': SID: ' . $smssend->sid );

			}

			if ( $this->options_email['send_sms_to_admin'] && $this->options_email['number_sms_to_admin'] ) {

				$number          = $this->options_email['number_sms_to_admin'] ? $this->options_email['number_sms_to_admin'] : null;
				$addition_number = $this->options_email['send_additional_sms'] ? $this->options_email['send_additional_sms'] : null;
				$body            = ! empty( $this->options_email['body_sms_to_admin'] ) ? $this->options_email['body_sms_to_admin'] . $site_url : __( 'New Lead: ', 'CalculatorSMSAddon' ) . $site_url;

				if ( $number ) {
					$smssend_admin = $this->send( $number, $body );}
				if ( $addition_number ) {
					$smssend_additional = $this->send( $addition_number, $body );}
				$smssend_admin_status      = '' === $smssend_admin->errorMessage ? 'Success' : $smssend_admin->errorMessage;
				$smssend_additional_status = '' === $smssend_additional->errorMessage ? 'Success' : $smssend_additional->errorMessage;
				MP_Logs::set_logs( $post_id, 'admin_sms', $smssend_admin_status . ': SID: ' . $smssend_admin->sid );
				MP_Logs::set_logs( $post_id, 'adiitional_sms', $smssend_additional_status . ': SID: ' . $smssend_additional->sid );

			}
		}
	}



	/**
	 * Callback create API.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function create_api() {

		MP_Callback::check_nonce( $_POST['nonce'], 'mortgage_json-request' );

		$chat = new MP_Addon_SMS_LiveChat();
		$chat->get_api( MortgagePlatform::$plugin_name );
		$chat->get_service( MortgagePlatform::$plugin_name );

		wp_die();

	}


	/**
	 * Create Token for Frontend widget.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function token() {

		MP_Callback::check_nonce( $_POST['nonce'], 'mortgage_sms-widget' );

		// get user info from user ip address and from $_SERVER

		$ip = $_SERVER['REMOTE_ADDR'];

		$identity = MP_Settings::is_isset( $_POST['identity'], 'user_' . time() );
		$email    = MP_Settings::is_isset( $_POST['email'] );

		$chat        = new MP_Addon_SMS_LiveChat();
		$service_sid = $chat->get_service( MortgagePlatform::$plugin_name );

		$token = $chat->create_token( $identity );

		$channel = $chat->get_channel( $identity );

		if ( ! $channel ) {
			$channel_sid = $chat->create_channel(
				array(
					'Identity'     => $identity,
					'UniqueName'   => $identity,
					'FriendlyName' => $identity . ' Chat Channel',
					'CreatedBy'    => 'Admin',
					'Type'         => 'private',
					'Attributes'   => '{"ip": "' . $ip . '"}',
				)
			);

			$role_sid     = $chat->get_role( $service_sid, 'channel admin' );
			$admin_member = $chat->set_member( $service_sid, $channel_sid, 'Admin', array( 'roleSid' => $role_sid ) );
			$user_member  = $chat->set_member( $service_sid, $channel_sid, $identity );

		}

		wp_send_json( $token );

	}


	/**
	 * Create token for admin.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function admin_chats() {

		MP_Callback::check_nonce( $_POST['nonce'], 'mortgage_json-request' );

		$identity = 'Admin';

		$chat = new MP_Addon_SMS_LiveChat();

		$token = $chat->create_token( $identity );

		//$serviceSid = $chat->get_service(MortgagePlatform::$plugin_name);
		//$chat->del_channel($serviceSid, '');

		wp_send_json( $token );

	}


	/**
	 * Get User Address.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function get_user_address() {

		MP_Callback::check_nonce( $_POST['nonce'], 'mortgage_json-request' );

		$ip = MP_Settings::is_isset( $_POST['ip'], null );

		if ( $ip ) {
			$geo = new MP_Geo();

			$city = $geo->get_city( $ip );

			wp_send_json( $city );
		}

		wp_die();
	}




}