#!/usr/bin/php
<?php
chdir(__DIR__);
require_once __DIR__ . "/vendor/autoload.php";

use \GuzzleHttp\Client as Guzzle;
use \MaddHatter\MarkdownTable\Builder as TableBuilder;

$client = new Guzzle();
$images = ['gone/php', 'gone/node', 'gone/marshall', ];
$results = [];
foreach($images as $image) {
    $results[$image] = [];
    $url = "https://hub.docker.com/v2/repositories/{$image}/tags/";
    $allLoaded = false;
    while ($allLoaded == false) {
        $data = $client->get($url)->getBody()->getContents();
        $json = json_decode($data, true);

        $results[$image] = array_merge($results[$image], $json['results']);
        if ($json['next']) {
            $url = $json['next'];
        } else {
            $allLoaded = true;
        }
    }
}

$tableBuilder = new TableBuilder();

$tableBuilder->headers(['Name', 'Architecture', 'Size', 'Last Updated', 'Microbadger']);
$tableBuilder->align(['L','L', 'R','R','C']);

foreach($results as $image => $variants){
    foreach($variants as $variant) {
        $fullImageName = $image . ":" . $variant['name'];
        $megabytes = number_format($variant['full_size'] / 1024 / 1024, 2);
        $sizeColour = 'green';
        if($megabytes > 150){
            $sizeColour = 'orange';
        }
        if($megabytes > 180){
            $sizeColour = 'red';
        }

        $arches = [];
        foreach($variant['images'] as $archSpecificImage){
            $arches[] = $archSpecificImage['architecture'];
        }
        $tableBuilder->row([
            $fullImageName,
            strtoupper(implode(", ", $arches)),
            "[![Layers](https://img.shields.io/badge/{$megabytes}MB-{$sizeColour}.svg)](https://hub.docker.com/r/{$image})",
            date("Y-m-d H:i:s", strtotime($variant['last_updated'])),
            "[![](https://images.microbadger.com/badges/image/{$fullImageName}.svg)](https://microbadger.com/images/{$fullImageName} \"Get your own image badge on microbadger.com\")",
        ]);
    }
}

$readme = file_get_contents(__DIR__ ."/../README.template");

$readme = str_replace("{{TABLE}}", $tableBuilder->render(), $readme);

file_put_contents(__DIR__ . "/../README.md", $readme);