<?php
namespace MSFD\Services;
use MSFD\Errors\ApiException;
use \Exception;


class API
{
    public $url;
    public $isBasicAuth;
    private $curl;


    public function __construct($url)
    {
        $this->url = $url;
        $this->curl = curl_init();
    }

    public function get($endpoint, $data = [])
    {
        $url = $this->url . $endpoint;
        curl_setopt($this->curl, CURLOPT_URL, $url);
        curl_setopt($this->curl, CURLOPT_HTTPHEADER, $this->headers);

        // Initialize cURL
        if ($this->isBasicAuth) {
            curl_setopt($this->curl, CURLOPT_USERPWD, "$this->username:$this->password");
            curl_setopt($this->curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
        }

        // Set cURL options
        curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($this->curl, CURLOPT_HTTPGET, true);
        curl_setopt($this->curl, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($this->curl, CURLOPT_MAXREDIRS, 10);
        curl_setopt($this->curl, CURLOPT_TIMEOUT, 30);
        if (!empty($this->headers["Authorization"])) {
            curl_setopt($this->curl, CURLOPT_HTTPHEADER, $this::convert_headers($this->headers));
        }


        if (!empty($data)) {
            // Set the HTTP method to GET
            curl_setopt($this->curl, CURLOPT_URL, $url . "?" . http_build_query($data));
        }

        if ($this->hasFile) {
            header('Content-Type: application/zip');
            header("Content-Transfer-Encoding: Binary");
            header("Content-disposition: attachment; filename=\"" . basename($url) . ".zip\"");
            readfile($url . "?" . http_build_query($data));
            exit();
        }

        // Check for errors
        if (curl_errno($this->curl)) {
            throw new \Exception(curl_error($this->curl));
        }

        return curl_exec($this->curl);
    }

    public function post($endpoint, $data = [], $isAuth = FALSE)
    {
        $url = $this->url . $endpoint;
        curl_setopt($this->curl, CURLOPT_URL, $url);

        // Set cURL options
        curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($this->curl, CURLOPT_FOLLOWLOCATION, TRUE);
        curl_setopt($this->curl, CURLOPT_MAXREDIRS, 10);
        curl_setopt($this->curl, CURLOPT_TIMEOUT, 30);
        curl_setopt($this->curl, CURLOPT_POST, TRUE);
        curl_setopt($this->curl, CURLOPT_POSTFIELDS, $data);

        if (!empty($this->headers["Authorization"])) {
            curl_setopt($this->curl, CURLOPT_HTTPHEADER, $this::convert_headers($this->headers));
        }

        if ($isAuth) {
            curl_setopt($this->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
            curl_setopt($this->curl, CURLINFO_HEADER_OUT, TRUE);
        }

        // Send the request

        // Check for errors
        if (curl_errno($this->curl)) {
            throw new ApiException(curl_error($this->curl));
        }

        return curl_exec($this->curl);
    }


    public static function convert_headers($headerArray) {
        foreach($headerArray as $key => $header) {
            $headers[] = "{$key}: $header";
        }

        return $headers;
    }


    public function __destruct() {
        curl_close($this->curl);
    }
}