<?php

// Method: POST, PUT, GET etc
// Data: array("param" => "value") ==> index.php?param=value
function CallAPI($method, $url, $data = false){
    $curl = curl_init();

    switch ($method){
    case "POST":
        curl_setopt($curl, CURLOPT_POST, 1);

        if ($data)
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        break;
    case "PUT":
        curl_setopt($curl, CURLOPT_PUT, 1);
        break;
    default:
        if ($data)
            $url = sprintf("%s?%s", $url, http_build_query($data));
    }

    // Optional Authentication:
    //curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    //curl_setopt($curl, CURLOPT_USERPWD, "username:password");

    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

    $result = curl_exec($curl);

    curl_close($curl);

    return $result;
}


// Default options : 
$lang="fr";
$public=true;
$outputname="CV-MOLINIER_Etienne";
$outputsuffix="";
$outputextension=".pdf";

// Parse options provided by client
if ( array_key_exists("privateinformationoutput",$_GET) && $_GET["privateinformationoutput"]=="true") {
	$public=false;
} else {
	$outputsuffix="_public";
}
if ( array_key_exists("lang",$_GET) && $_GET["lang"]=="en") {
        $lang="en";
	$outputname="Resume MOLINIER Etienne";
}
if ( array_key_exists("lang",$_GET) && $_GET["lang"]=="fr") {
        $lang="fr";
	$outputname="CV MOLINIER Etienne";
}


// load the latex code
$tex=file_get_contents("resume.tex");

// check if we are allowed to print private informations
if ($public) {
	// add the latex variable to display only public informations
	$tex="\def\ispublic{1}\n".$tex;
}
if ($lang=="en") {
	$tex="\\newif\ifenglish\n\\englishtrue".$tex;
} else {
	$tex="\\newif\ifenglish\n\\englishfalse".$tex;

}


// prepare the data for the query
$data =array(
	"pole"=>$tex,
	"pdf"=>"PDF",
	"preklad"=>"latex",
	"pruchod"=>"1",
	".cgifields"=>"komprim"
	);

// and call the API
$result = CallApi("POST","https://tex.mendelu.cz/en/",$data);

//return the file.
header('Content-Type: application/octet-stream');
header("Content-Transfer-Encoding: Binary"); 
header("Content-disposition: attachment; filename=\"" . ($outputname.$outputsuffix.$outputextension) . "\""); 
//readfile($file_url); // do the double-download-dance (dirty but worky)
echo $result;

?>