<?php
/**
 * OpalEstate_User_Message
 *
 * @package    opalestate
 * @author     Opal  Team <info@wpopal.com >
 * @copyright  Copyright (C) 2019 wpopal.com. All Rights Reserved.
 * @license    GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
 *
 * @website  http://www.wpopal.com
 * @support  http://www.wpopal.com/support/forum.html
 */

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

/**
 * OpalEstate_User_Message Class
 *
 * @since 1.0.0
 */
class OpalEstate_User_Message {

	/**
	 * ID of current user id
	 *
	 * @return user_id
	 */
	protected $user_id = 0;

	/**
	 * Gets types.
	 *
	 * @return boolean $is_log
	 */
	protected $is_log;

	/**
	 * Gets a instance of this object.
	 *
	 * @return OpalEstate_User_Message
	 */
	public static function get_instance() {
		static $_instance;
		if ( ! $_instance ) {
			$_instance = new self();
		}

		return $_instance;
	}

	/**
	 * Gets types.
	 *
	 * @return array
	 */
	public function get_types() {

		return [
			'request_view' => '',
			'contact'      => '',
			'send_equiry'  => '',
		];
	}

	/**
	 *
	 */
	public function __construct() {

		add_action( 'init', [ $this, 'init' ] );

		/// process ajax send message 
		add_action( 'wp_ajax_send_email_contact', [ $this, 'process_send_email' ] );
		add_action( 'wp_ajax_nopriv_send_email_contact', [ $this, 'process_send_email' ] );

		// process ajax 
		add_action( 'wp_ajax_send_email_contact_reply', [ $this, 'process_send_reply_email' ] );
		add_action( 'wp_ajax_nopriv_send_email_contact_reply', [ $this, 'process_send_reply_email' ] );

		add_filter( 'opalestate_user_content_messages_page', [ $this, 'render_user_content_page' ] );
	}

	/**
	 * Set values when user logined in system
	 */
	public function init() {

		global $current_user;
		wp_get_current_user();

		$this->user_id = $current_user->ID;
		$this->is_log  = opalestate_get_option( 'message_log' );
	}

	/**
	 * Set values when user logined in system
	 */
	public function send_equiry( $post, $member ) {
		$default = [
			'send_equiry_name' => '',
			'action'           => '',
			'post_id'          => '',
			'sender_id'        => '',
			'email'            => '',
			'phone'            => '',
			'message'          => '',
			'message_action'   => '',
		];

		$post                  = array_merge( $default, $post );
		$post['property_link'] = (int) $post['post_id'] ? get_permalink( $post['post_id'] ) : get_home_url();
		$post['receive_name']  = isset( $member['name'] ) ? $member['name'] : '';
		$subject               = html_entity_decode( esc_html__( 'You got a message', 'opalestate-pro' ) );
		$post['receiver_name'] = $member['receiver_name'];

		$property_id           = absint( $post['post_id'] );
		$property              = get_post( $property_id );

		$output                = [
			'subject'            => $subject,
			'name'               => isset( $post['name'] ) ? $post['name'] : '',
			'receiver_email'     => $member['receiver_email'],
			'receiver_id'        => $member['receiver_id'],
			'sender_id'          => get_current_user_id(),
			'sender_email'       => $post['email'],
			'property_name'      => $property->post_title,
			'property_link'      => $property_id ? get_permalink( $property_id ) : get_home_url(),
			'property_edit_link' => get_edit_post_link( $property_id ),
			'email'              => $post['email'],
			'phone'              => $post['phone'],
			'message'            => $post['message'],
			'post_id'            => $post['post_id'],
			'type'               => 'send_enquiry',
		];

		if ( $output['sender_id'] == $output['receiver_id'] ) {
			// return false;
		}

		return $output;
	}

	/**
	 * Set values when user logined in system
	 */
	public function send_contact( $post ) {

		$member = get_post( $post['post_id'] );

		if ( $member->post_type == 'opalestate_agent' ) {
			$receiver_id = get_post_meta( $member->ID, OPALESTATE_AGENT_PREFIX . 'user_id', true );
			$email       = get_post_meta( $member->ID, OPALESTATE_AGENT_PREFIX . 'email', true );
		} else {
			$receiver_id = get_post_meta( $member->ID, OPALESTATE_AGENCY_PREFIX . 'user_id', true );
			$email       = get_post_meta( $member->ID, OPALESTATE_AGENCY_PREFIX . 'email', true );
		}

		$member = [
			'receiver_email' => $email,
			'receiver_name'  => $member->post_title,
			'receiver_id'    => $receiver_id,
		];

		$default = [
			'send_equiry_name' => '',
			'action'           => '',
			'post_id'          => '',
			'sender_id'        => '',
			'email'            => '',
			'name'             => '',
			'phone'            => '',
			'message'          => '',
			'message_action'   => '',
		];
		$post    = array_merge( $default, $post );

		$post['link']         = (int) $post['post_id'] ? get_permalink( $post['post_id'] ) : get_home_url();
		$post['receive_name'] = $member['name'];

		$subject = html_entity_decode( esc_html__( 'You got a message contact', 'opalestate-pro' ) );

		$post['receiver_name'] = $member['receiver_name'];

		$output = [
			'subject'        => $subject,
			'receiver_email' => $member['receiver_email'],
			'receiver_id'    => $member['receiver_id'],
			'sender_id'      => get_current_user_id(),
			'sender_email'   => $post['email'],
			'name'           => $post['name'],
			'phone'          => $post['phone'],
			'message'        => $post['message'],
			'post_id'        => $post['post_id'],
			'type'           => 'send_contact',
		];

		if ( $output['sender_id'] == $output['receiver_id'] ) {
			// return false;
		}

		return $output;
	}

	/**
	 * Set values when user logined in system
	 */
	public function get_member_email_data( $post_id ) {
		return opalestate_get_member_email_data( $post_id );
	}

	/**
	 * Set values when user logined in system
	 */
	public function process_send_reply_email() {

		if ( isset( $_POST ) && $this->is_log ) {
			$id      = 2;
			$message = $this->get_message( intval( $_POST['message_id'] ) );


			if ( $message ) {

				$data = [
					'message_id'  => $message->id,
					'sender_id'   => $this->user_id,
					'receiver_id' => $message->sender_id,
					'message'     => sanitize_text_field( $_POST['message'] ),
					'created'     => current_time( 'mysql', 1 ),
				];

				$id = $this->insert_reply( $data );

				$reply = $this->get_reply( $id );

				$data['data'] = [
					'created' => $reply->created,
					'message' => $reply->message,
					'avatar'  => OpalEstate_User::get_author_picture( $message->sender_id ),
				];
				// send email for user to inbox email.
				do_action( 'opalestate_send_email_notifycation', $data );
				$return = [
					'status'  => true,
					'msg'     => esc_html__( 'Email Sent successful', 'opalestate-pro' ),
					'heading' => esc_html__( 'Sending Message', 'opalestate-pro' ),
				];
			}
		} else {
			$return = [ 'status' => false, 'msg' => esc_html__( 'Unable to send a message.', 'opalestate-pro' ), 'heading' => esc_html__( 'Sending Message', 'opalestate-pro' ) ];
		}


		echo json_encode( $return );
		die();
	}

	/**
	 * Process send email.
	 */
	public function process_send_email() {
		do_action( 'opalestate_process_send_email_before' );
		if ( isset( $_POST['type'] ) && $_POST['type'] ) {
			$content = [];
			switch ( trim( $_POST['type'] ) ) {
				case 'send_equiry':
					if ( wp_verify_nonce( $_POST['message_action'], 'send-enquiry-form' ) ) {
						$member  = $this->get_member_email_data( (int) $_POST['post_id'] );
						$content = $this->send_equiry( $_POST, $member );
					}
					break;
				case 'send_contact':
					if ( wp_verify_nonce( $_POST['message_action'], 'send-contact-form' ) ) {
						$content = $this->send_contact( $_POST );
					}
					break;
				default:
					break;
			}

			if ( $content ) {
				// only save in db for user only
				if ( $content['receiver_id'] > 0 && $this->is_log ) {
					$this->insert( $content );
				}

				// Send email for user to inbox email.
				do_action( 'opalestate_send_email_notifycation', $content );
			}
		}

		$return = [ 'status' => false, 'msg' => esc_html__( 'Unable to send a message.', 'opalestate-pro' ) ];

		echo json_encode( $return );
		die();
	}

	/**
	 *
	 */
	public function insert( $data ) {
		global $wpdb;

		$args = [
			'subject'      => '',
			'message'      => '',
			'sender_email' => '',
			'phone'        => '',
			'sender_id'    => '',
			'created'      => current_time( 'mysql', 1 ),
			'receiver_id'  => '',
			'post_id'      => '',
			'type'         => '',
		];

		foreach ( $args as $key => $value ) {
			if ( isset( $data[ $key ] ) ) {
				$args[ $key ] = $data[ $key ];
			}
		}

		$id = $wpdb->insert( $wpdb->prefix . 'opalestate_message', $args );

		return $wpdb->insert_id;
	}

	public function insert_reply( $data ) {
		global $wpdb;

		$args = [
			'message_id'  => '',
			'message'     => '',
			'sender_id'   => '',
			'created'     => current_time( 'mysql', 1 ),
			'receiver_id' => '',
		];

		foreach ( $args as $key => $value ) {
			if ( isset( $data[ $key ] ) ) {
				$args[ $key ] = $data[ $key ];
			}
		}

		$id = $wpdb->insert( $wpdb->prefix . 'opalestate_message_reply', $args );

		return $wpdb->insert_id;
	}

	public function get_reply( $id ) {
		global $wpdb;

		$query = " SELECT * FROM " . $wpdb->prefix . "opalestate_message_reply where id=" . (int) $id;
		$reply = $wpdb->get_row( $query );

		return $reply;
	}

	/**
	 *
	 */
	public static function install() {
		try {
			if ( ! function_exists( 'dbDelta' ) ) {
				require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
			}

			global $wpdb;

			$charset_collate = $wpdb->get_charset_collate();

			$sql = 'CREATE TABLE IF NOT EXISTS ' . $wpdb->prefix . 'opalestate_message' . ' (
									  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
									  `subject` varchar(191) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
									  `message` text COLLATE utf8mb4_unicode_ci NOT NULL,
									  `name` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,
									  `phone` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,
									  `sender_email` varchar(191) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
									  `sender_id` int(11) DEFAULT NULL,
									  `created` datetime NOT NULL,
									  `receiver_id` int(11) NOT NULL,
									  `post_id` int(11) NOT NULL,
									  `type` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,
									  `isread` tinyint(1) NOT NULL,
									  PRIMARY KEY  (id)
					) ' . $charset_collate;
			dbDelta( $sql );

			///

			$sql = 'CREATE TABLE IF NOT EXISTS ' . $wpdb->prefix . 'opalestate_message_reply' . ' (
									      `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
										  `message_id` int(11) NOT NULL,
										  `sender_id` int(11) NOT NULL,
										  `message` text NOT NULL,
										  `created` datetime NOT NULL,
										  `receiver_id` int(11) NOT NULL,
										  PRIMARY KEY  (id)
					) ' . $charset_collate;
			dbDelta( $sql );


		} catch ( Exception $e ) {

		}
	}


	/**
	 *
	 */
	public function do_delete( $id ) {

		global $wpdb;
		if ( $this->user_id ) {
			$wpdb->delete( $wpdb->prefix . "opalestate_message", [ "id" => $id, 'user_id' => $this->user_id ], [ '%d' ] );
		}
	}

	/**
	 *
	 */
	public function get_list( $args = [] ) {

		global $wpdb;

		$default = [
			'cpage'          => 1,
			'items_per_page' => 3,
		];

		$args           = array_merge( $default, $args );
		$items_per_page = $args['items_per_page'];
		$offset         = ( $args['cpage'] * $items_per_page ) - $items_per_page;

		$query = " SELECT * FROM " . $wpdb->prefix . "opalestate_message where receiver_id=" . $this->user_id . ' OR sender_id=' . $this->user_id;
		$query .= ' ORDER BY id DESC LIMIT ' . $offset . ', ' . $items_per_page;

		return $wpdb->get_results( $query );
	}

	public function get_total() {

		global $wpdb;
		$query = " SELECT count(1) as total FROM " . $wpdb->prefix . "opalestate_message where receiver_id=" . $this->user_id . ' OR sender_id=' . $this->user_id;

		return $wpdb->get_var( $query );
	}

	/**
	 *
	 */
	public function get_message( $id ) {

		global $wpdb;

		$query   = " SELECT * FROM " . $wpdb->prefix . "opalestate_message where ( sender_id=" . $this->user_id . " OR receiver_id=" . $this->user_id . ') and id=' . (int) $id;
		$message = $wpdb->get_results( $query );

		if ( isset( $message[0] ) ) {
			return $message[0];
		}

		return [];
	}

	public function get_replies( $id ) {

		global $wpdb;

		$query    = " SELECT * FROM " . $wpdb->prefix . "opalestate_message_reply where message_id=" . (int) $id . ' ORDER BY created ';
		$messages = $wpdb->get_results( $query );

		return $messages;
	}

	/**
	 *
	 */
	public function is_saved() {

	}

	/**
	 *
	 */
	public function get_equiry_form_fields( $msg = '' ) {

		$prefix = '';

		$id           = '';
		$sender_id    = '';
		$post_id      = get_the_ID();
		$email        = '';
		$current_user = wp_get_current_user();
		$name         = '';

		if ( 0 != $current_user->ID ) {
			$email     = $current_user->user_email;
			$name      = $current_user->user_firstname . ' ' . $current_user->user_lastname;
			$sender_id = $current_user->ID;
		}

		$fields = [

			[
				'id'          => "type",
				'name'        => esc_html__( 'Type', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => 'send_equiry',
				'description' => "",
			],
			[
				'id'          => "post_id",
				'name'        => esc_html__( 'Property ID', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => $post_id,
				'description' => "",
			],

			[
				'id'          => "sender_id",
				'name'        => esc_html__( 'Sender ID', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => $sender_id,
				'description' => "",
			],

			[
				'id'          => "{$prefix}name",
				'name'        => esc_html__( 'Name', 'opalestate-pro' ),
				'type'        => 'text',
				'before_row'  => '',
				'required'    => 'required',
				'default'     => $name,
				'description' => "",
			],
			[
				'id'          => "{$prefix}email",
				'name'        => esc_html__( 'Email', 'opalestate-pro' ),
				'type'        => 'text',
				'default'     => $email,
				'description' => "",
				'required'    => 'required',
			],

			[
				'id'          => "{$prefix}phone",
				'name'        => esc_html__( 'Phone', 'opalestate-pro' ),
				'type'        => 'text',
				'description' => "",
				'required'    => 'required',
			],

			[
				'id'          => "{$prefix}message",
				'name'        => esc_html__( 'Message', 'opalestate-pro' ),
				'type'        => 'textarea',
				'description' => "",
				'default'     => $msg,
				'required'    => 'required',
			],

		];

		return $fields;
	}

	public function get_reply_form_fields() {
		$prefix = '';
		$fields = [
			[
				'id'          => "type",
				'name'        => esc_html__( 'Type', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => 'send_contact',
				'description' => "",
			],
			[
				'id'          => "{$prefix}message",
				'name'        => esc_html__( 'Message', 'opalestate-pro' ),
				'type'        => 'textarea',
				'description' => "",
				'required'    => 'required',
			],
		];

		return $fields;
	}

	/**
	 *
	 */
	public function get_contact_form_fields( $msg = '' ) {

		$prefix       = '';
		$id           = '';
		$sender_id    = '';
		$post_id      = get_the_ID();
		$email        = '';
		$current_user = wp_get_current_user();
		$name         = '';

		if ( 0 != $current_user->ID ) {
			$email     = $current_user->user_email;
			$name      = $current_user->user_firstname . ' ' . $current_user->user_lastname;
			$sender_id = $current_user->ID;
		}

		$fields = [
			[
				'id'          => "type",
				'name'        => esc_html__( 'Type', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => 'send_contact',
				'description' => "",
			],
			[
				'id'          => "post_id",
				'name'        => esc_html__( 'Property ID', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => $post_id,
				'description' => "",
			],
			[
				'id'          => "sender_id",
				'name'        => esc_html__( 'Sender ID', 'opalestate-pro' ),
				'type'        => 'hidden',
				'default'     => $sender_id,
				'description' => "",
			],
			[
				'id'          => "{$prefix}name",
				'name'        => esc_html__( 'Name', 'opalestate-pro' ),
				'type'        => 'text',
				'default'     => $name,
				'required'    => 'required',
				'description' => "",
			],
			[
				'id'          => "{$prefix}email",
				'name'        => esc_html__( 'Email', 'opalestate-pro' ),
				'type'        => 'text',
				'default'     => $email,
				'description' => "",
				'required'    => 'required',
			],

			[
				'id'          => "{$prefix}phone",
				'name'        => esc_html__( 'Phone', 'opalestate-pro' ),
				'type'        => 'text',
				'description' => "",
				'required'    => 'required',
			],

			[
				'id'          => "{$prefix}message",
				'name'        => esc_html__( 'Message', 'opalestate-pro' ),
				'type'        => 'textarea',
				'description' => "",
				'default'     => $msg,
				'required'    => 'required',
			],

		];

		return $fields;
	}

	public function get_request_review_form_fields( $msg = '' ) {
		global $wp_query;

		$prefix       = '';
		$id           = '';
		$sender_id    = '';
		$post_id      = $wp_query->post->ID;
		$email        = '';
		$current_user = wp_get_current_user();
		$name         = '';

		if ( 0 != $current_user->ID ) {
			$email     = $current_user->user_email;
			$name      = $current_user->user_firstname . ' ' . $current_user->user_lastname;
			$sender_id = $current_user->ID;
		}

		$fields = [
			[
				'id'      => 'type',
				'name'    => esc_html__( 'Type', 'opalestate-pro' ),
				'type'    => 'hidden',
				'default' => 'send_request_review',
			],
			[
				'id'      => 'post_id',
				'name'    => esc_html__( 'Property ID', 'opalestate-pro' ),
				'type'    => 'hidden',
				'default' => $post_id,
			],
			[
				'id'      => 'sender_id',
				'name'    => esc_html__( 'Sender ID', 'opalestate-pro' ),
				'type'    => 'hidden',
				'default' => $sender_id,
			],
			[
				'id'         => "{$prefix}date",
				'name'       => esc_html__( 'Schedule', 'opalestate-pro' ),
				'type'       => 'date',
				'before_row' => '',
				'required'   => 'required',
			],
			[
				'id'      => "{$prefix}time",
				'name'    => esc_html__( 'Time', 'opalestate-pro' ),
				'type'    => 'select',
				'options' => opalestate_get_request_viewing_time_list(),
			],
			[
				'id'       => "{$prefix}phone",
				'name'     => esc_html__( 'Phone', 'opalestate-pro' ),
				'type'     => 'text',
				'required' => 'required',
			],
			[
				'id'       => "{$prefix}message",
				'name'     => esc_html__( 'Message', 'opalestate-pro' ),
				'type'     => 'textarea',
				'default'  => $msg,
				'required' => 'required',
			],
		];

		return $fields;
	}


	public function render_user_content_page() {

		if ( isset( $_GET['message_id'] ) ) {

			$message = $this->get_message( absint( $_GET['message_id'] ) );

			return opalestate_load_template_path( 'user/read-messages',
				[
					'message' => $message,
					'fields'  => $this->get_reply_form_fields(),
					'replies' => $this->get_replies( absint( $_GET['message_id'] ) ),
				]
			);

		} else {
			return opalestate_load_template_path( 'user/messages' );
		}
	}
}

OpalEstate_User_Message::get_instance();