<?php

class Hotel_Booking {

	private $bookingId;
	private $bookingData;
	private $userData;

	public function __construct($data) {

		$defaultData = array(
			'bookingId' => '',
			'bookingData' => '',
			'userData' => ''
		);

		$data = array_merge($defaultData, $data);

		// Booking Data		

		if (empty($data['bookingData'])) {
			$data['bookingData'] = false;
		} else {
			$data['bookingData'] = json_decode($data['bookingData'], true);
			$data['bookingId'] = $data['bookingData']['id'];
		}

		// User Data

		if (empty($data['userData'])) {
			$data['userData'] = false;
		} else {
			$data['userData'] = json_decode($data['userData'], true);
		}

		// Set Variables

		$this->bookingId = $data['bookingId'];
		$this->bookingData = $data['bookingData'];
		$this->userData = $data['userData'];
	}

	public function validBookingData() {

		if (empty($this->bookingId) || !$this->bookingData || empty($this->bookingData)) {

			return false;
		}

		return true;
	}

	public function validUserData() {

		return true;
	}

	//

	public function prepareOrderData() {

		if (!$this->bookingData) {

			return false;
		}

		$orderData = array(
			'room_name' => '',
			'room_price' => '',
			'guests' => '',
			'dates' => $this->bookingData['check_in'] . ' - ' . $this->bookingData['check_out'],
			'total_price' => '$999',
			'total_price_value' => '',
			'total_price_currency' => ''
		);

		// Room Data

		$roomData = Hotel_Content::roomItem($this->bookingData['room_id']);

		if (!$roomData) {

			return false;
		}

		$orderData['room_name'] = $roomData['name'];

		$orderData['room_price'] = $roomData['price'];

		$orderData['room_number'] = 0;

		$orderData['guest_number'] = 0;
		
		$orderData['guest'] = '';

		// Guest

		if (!empty($this->bookingData['adults'])) {
			$orderData['guest'] .= $this->bookingData['adults'] . ' Adults, ';
		}

		if (!empty($this->bookingData['children'])) {
			$orderData['guest'] .= $this->bookingData['children'] . ' Children, ';
		}

		$orderData['guest'] = substr($orderData['guest'], 0, -2);

		//

		$orderSummary = $this->orderSummary(array(
			'adults' => $this->bookingData['adults'],
			'children' => $this->bookingData['children'],
			'roomSize' => $roomData['guest'],
			'price' => $roomData['price_value'],
			'currency' => $roomData['currency'],
			'checkInTime' => $this->bookingData['check_in_time'],
			'checkOutTime' => $this->bookingData['check_out_time']
		));

		$orderData['rooms'] = $orderSummary['rooms'];

		$orderData['totalPrice'] = $orderSummary['price'];

		$orderData['totalPriceFormatted'] = $orderSummary['priceFormatted'];

		//

		return $orderData;
	}

	public function registerNewOrder() {

		if (!empty($_SESSION['booking-order-' . $this->bookingId])) {

			return false;
		}

		//

		$roomData = Hotel_Content::roomItem($this->bookingData['room_id']);

		$orderData = $this->orderSummary(array(
			'adults' => $this->bookingData['adults'],
			'children' => $this->bookingData['children'],
			'roomSize' => $roomData['guest'],
			'price' => $roomData['price_value'],
			'currency' => $roomData['currency'],
			'checkInTime' => $this->bookingData['check_in_time'],
			'checkOutTime' => $this->bookingData['check_out_time']
		));

		//

		$orderSummary = array();

		$orderSummary[] = array('header', 'Room Info');
		$orderSummary[] = array('Room Name:', $roomData['name']);
		$orderSummary[] = array('Room Price:', $roomData['price']);

		//

		$orderSummary[] = array('header', 'Order Info');
		$orderSummary[] = array('Check In Date:', $this->bookingData['check_in']);
		$orderSummary[] = array('Check Out Date:', $this->bookingData['check_out']);
		$orderSummary[] = array('Adults:', $this->bookingData['adults']);
		$orderSummary[] = array('Children:', $this->bookingData['children']);
		$orderSummary[] = array('Days:', $orderData['days']);
		$orderSummary[] = array('Rooms:', $orderData['rooms']);
		$orderSummary[] = array('Total Price:', $orderData['priceFormatted']);
		//

		$orderSummary[] = array('header', 'Client Data');
		$orderSummary[] = array('First Name:', $this->userData['first_name']);
		$orderSummary[] = array('Last Name:', $this->userData['last_name']);
		$orderSummary[] = array('City:', $this->userData['city']);
		$orderSummary[] = array('ZIP / Postcode:', $this->userData['postcode']);
		$orderSummary[] = array('State:', $this->userData['state']);
		$orderSummary[] = array('Country:', $this->userData['country']);
		$orderSummary[] = array('Address Line 1:', $this->userData['address_line_1']);
		$orderSummary[] = array('Address Line 2:', $this->userData['address_line_2']);
		$orderSummary[] = array('Special Requirements:', $this->userData['requirements']);

		//

		$htmlMail = $this->orderMailHtml($orderSummary);

		wp_mail(Hotel_Content::getSetting('notify_email'), get_bloginfo('name') . ' / New Order', $htmlMail);

		//

		return true;
	}

	private function orderSummary($data) {

		$defaultData = array(
			'adults' => '',
			'children' => '',
			'roomSize' => '',
			'price' => '',
			'currency' => '',
			'checkInTime' => '',
			'checkOutTime' => ''
		);

		$data = array_merge($defaultData, $data);

		$data['adults'] *= 1;
		$data['children'] *= 1;
		$data['roomSize'] *= 1;
		$data['price'] *= 1;
		$data['checkInTime'] *= 1;
		$data['checkOutTime'] *= 1;

		//

		$guestSum = $data['adults'] + $data['children'];
		$roomNumber = ceil($guestSum / $data['roomSize']); // number of rooms per day
		$daysNumber = ceil(($data['checkOutTime'] - $data['checkInTime']) / (3600 * 24)); // (check out - check in) / days

		$totalPrice = $roomNumber * $data['price'] * $daysNumber;

		//

		return array(
			'guest' => $guestSum,
			'days' => $daysNumber,
			'price' => $totalPrice,
			'rooms' => $roomNumber,
			'priceFormatted' => Hotel_Content::renderPrice($totalPrice, $data['currency'])
		);
	}

	private function orderMailHtml($arr) {

		$html = '';

		$html .= '<h2>' . get_bloginfo('name') . ' / New Order</h2>';

		foreach ($arr as $e) {

			if ($e[0] == 'header') {

				$html .= '<h3>' . $e[1] . '</h3>';
			} else {

				$html .=
						'<p>' .
						'<span style="display: inline-block; width: 150px;">' . $e[0] . '</span>' .
						'<span style="display: inline-block;">' . $e[1] . '</span>' .
						'</p>';
			}
		}

		require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
		require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php');
		$filesystem = new WP_Filesystem_Direct(array());
		$mail_path = __DIR__ .'/../_mail_structure.html';
		$htmlStructure = $filesystem->get_contents($mail_path);

		$html = str_replace('{{content}}', $html, $htmlStructure);

		return $html;
	}

}