<?php

class Crunchbutton_Order_Eta extends Cana_Table {
	public function __construct($id = null) {
		parent::__construct();
		$this
			->table('order_eta')
			->idVar('id_order_eta')
			->load($id);
	}
	
	public function exports() {
		return [
			'distance' => $this->distance,
			'time' => $this->time,
			'date' => $this->date
		];
	}
	
	public static function create($order, $method = null) {
		// right now we only have one method. google
		
		$method = 'google-directions-php';

		$ret = self::_methodGoogle($order);

		$eta = new Order_Eta([
			'id_order' => $order->id_order,
			'time' => $ret->time,
			'distance' => $ret->distance,
			'date' => date('Y-m-d h:i:s'),
			'method' => $method
		]);
		$eta->save();

		return $eta;
	}
	
	private static function _methodGoogle($order) {
		$status = $order->status()->last()['status'];

		if (!$status) {
			$time = $order->restaurant()->delivery_estimated_time;
		} elseif ($status == 'delivered') {
			$time = 0;
		} else {
			$ret = self::_getGoogleEta($order);
			$time = $ret->time;
			
			if ($status == 'accepted' || $status == 'transferred') {
				if ($order->restaurant()->formal_relationship == 1 || $order->restaurant()->order_notifications_sent) {
					$time += 5;
				} else {
					$time += 15;
				}
			}
		}
		
		return (object)[
			'time' => $time,
			'distance' => $ret->distance
		];
	}
	
	private static function _getGoogleEta($order) {

		$status = $order->status()->last()['status'];
		
		$driver = $order->driver()->location()->lat.','.$order->driver()->location()->lon;
		$customer = urlencode($order->address);
		$restaurant = $order->restaurant()->loc_lat.','.$order->restaurant()->loc_long;
		
		$url = 'https://maps.googleapis.com/maps/api/directions/json?';

		if ($status == 'pickedup') {
			$url .= 'origin='.$driver.'&destination='.$customer;

		} elseif ($status == 'accepted' || $status == 'transfered') {
			$url .= 'origin='.$driver.'&destination='.$customer.'&waypoints='.$restaurant;
		}

		$url = 'https://maps.googleapis.com/maps/api/directions/json?origin=33.9848,-118.446&destination=1120%20princeton,%20marina%20del%20rey%20ca%2090292&waypoints=33.1751,-96.6778';

		$res = @json_decode(@file_get_contents($url));
		$eta = 0;
		$distance = 0;

		if ($res) {
			foreach ($res->routes[0]->legs as $leg) {
				$eta += $leg->duration->value/60;
				$distance += $leg->distance->value * 0.000621371;
			}
		}

		return (object)[
			'time' => $eta,
			'distance' => $distance
		];
		
		//&key=API_KEY
	}

	public function order() {
		return Order::o($this->id_order);
	}
}