#!/usr/bin/env php
<?php
function do_curl($url, $opts)
{
    $curl = curl_init($url);
    curl_setopt_array($curl, $opts);
    $result = curl_exec($curl);
    curl_close($curl);

    return $result;
}

$opts = getopt('adm', $argv);
$sep = array_search('--', $argv);
$files = array_slice($argv, $sep ? ++$sep : count($opts) + 1);
if (count($files) === 0 || count($files) > 2) {
    die("Usage: lilybin [-adm] file [file]\n");
}

$all = isset($opts['a']);
$download = isset($opts['d']);

$midi = isset($opts['m']);
if ($midi) {
    $ext = '.midi';
} else {
    $ext = '.pdf';
}

if ($all || !$download) {
    $url = 'https://7icpm9qr6a.execute-api.us-west-2.amazonaws.com/prod/prepare_preview/stable';
    $result = json_decode(do_curl($url, [
        CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
        CURLOPT_POST => 1,
        CURLOPT_POSTFIELDS => json_encode(['code' =>
file_get_contents($files[0])]),
        CURLOPT_RETURNTRANSFER => true,
    ]));
    if (!$result->id) {
        echo "ERROR:\n", $result->stderr;
        exit(1);
    }
    if ($all) {
        $files[0] = $result->id . $ext;
    } else {
        echo $argv[0], ' -d ', $result->id, $ext . "\n";
        exit;
    }
}

if ($all || $download) {
    $url = 'https://s3-us-west-2.amazonaws.com/lilybin-scores/' . $files[0];
    $file = fopen(@$files[1] ?: $files[0], 'w');
    do_curl($url, [CURLOPT_FILE => $file]);
    fclose($file);
}