<?php

namespace App\Service;

class InsuranceConnector
{
    protected $base_url;
    protected $username;
    protected $password;
    protected $hash;

    public function __construct($base_url, $username, $password)
    {
        $this->base_url = $base_url;
        $this->username = $username;
        $this->password = $password;
        $this->hash = $this->generateHash();
    }

    public function createApplication($notif_url, $client_info, $client_contact_info, $car_info)
    {
        $body = [
            'notif_url' => $notif_url,
            'client_info' => $client_info,
            'client_contact_info' => $client_contact_info,
            'car_info' => $car_info,
        ];

        return $this->doRequest('/api/v1/ctpl/applications', true, $body);
    }

    public function tagApplicationPaid($application_id)
    {
        $url = '/api/v1/ctpl/application/' . $application_id . '/paid';
        return $this->doRequest($url, true);
    }

    public function getVehicleMakers()
    {
        return $this->doRequest('/api/v1/ctpl/vehicle-makers');
    }

    public function getVehicleModels()
    {
        return $this->doRequest('/api/v1/ctpl/vehicle-models');
    }

    public function getVehicleTrims()
    {
        return $this->doRequest('/api/v1/ctpl/vehicle-trims');
    }

    protected function generateHash()
    {
        return base64_encode($this->username . ":" . $this->password);
    }

    protected function doRequest($url, $is_post = false, $body = [])
    {
        $curl = curl_init();

        $options = [
            CURLOPT_URL => $this->base_url . '/' . $url,
            CURLOPT_POST => $is_post,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => [
                'Content-Type: application/json',
                'Authorization: Basic ' . $this->hash,
            ],
        ];

        // add post body if present
        if (!empty($body)) {
            $options[CURLOPT_POSTFIELDS] = json_encode($body);
        }

        curl_setopt_array($curl, $options);
        $res = curl_exec($curl);

        curl_close($curl);

        error_log('Insurance API connector');
        error_log(print_r($options, true));
        error_log($res);

        // response
        return $this->handleResponse($res);
    }

    protected function handleResponse($res)
    {
        $inv_res = json_decode($res, true);

        // make sure result is always an array
        if ($inv_res == null)
            return [];

        return $inv_res;
    }
}