<?php

declare(strict_types=1);

namespace App\Commands;

use App\Libraries\Mongo;
use CodeIgniter\CLI\BaseCommand;
use CodeIgniter\CLI\CLI;

/**
 * Crawls real cover art from the Steam CDN and updates the games collection.
 *
 * Usage: php spark gg:crawl-covers
 *
 * Cover sources (in order of preference):
 *   1. Steam store header  (460x215)  — https://cdn.cloudflare.steamstatic.com/steam/apps/{appid}/header.jpg
 *   2. Steam capsule       (616x353)  — https://cdn.cloudflare.steamstatic.com/steam/apps/{appid}/capsule_616x353.jpg
 *   3. Existing SVG placeholder (kept)
 */
class CrawlCovers extends BaseCommand
{
    protected $group       = 'GGDeals';
    protected $name        = 'gg:crawl-covers';
    protected $description = 'Crawls real cover art from the Steam CDN and updates games.';
    protected $usage       = 'gg:crawl-covers';

    /** slug => steam appid */
    public const APP_IDS = [
        'age-of-empires-iv'              => 1466860,
        'alan-wake-2'                    => 2379780,
        'balan-wonderworld'              => 1336480,
        'baldurs-gate-3'                 => 1086940,
        'cities-skylines-ii'             => 949230,
        'control'                        => 870780,
        'counter-strike-2'               => 730,
        'cuphead'                        => 268910,
        'cyberpunk-2077'                 => 1091500,
        'dark-souls-iii'                 => 374320,
        'dead-cells'                     => 588650,
        'death-stranding'                => 1190460,
        'deep-rock-galactic'             => 548430,
        'diablo-iv'                      => 2344520,
        'disco-elysium'                  => 632470,
        'dishonored-2'                   => 403640,
        'divinity-original-sin-2'        => 435150,
        'doom-eternal'                   => 782330,
        'ea-sports-fc-24'                => 2195250,
        'efootball-2024'                 => 2349380,
        'elden-ring'                     => 1245620,
        'enshrouded'                     => 1203620,
        'factorio'                       => 427520,
        'forza-horizon-5'                => 1551360,
        'god-of-war'                     => 1593500,
        'grand-theft-auto-v'             => 271590,
        'hades-ii'                       => 1145350,
        'helldivers-2'                   => 553850,
        'hogwarts-legacy'                => 990080,
        'hollow-knight'                  => 367520,
        'horizon-forbidden-west'         => 2420110,
        'it-takes-two'                   => 1426210,
        'kingdom-come-deliverance'       => 379430,
        'lethal-company'                 => 1966720,
        'manor-lords'                    => 1363080,
        'marvels-spider-man-2'           => 2651290,
        'marvels-spider-man-remastered'  => 1817070,
        'metro-exodus'                   => 412020,
        'microsoft-flight-simulator'     => 1250410,
        'monster-hunter-rise'            => 1446780,
        'nier-automata'                  => 524220,
        'ori-and-the-will-of-the-wisps'  => 1057090,
        'outer-wilds'                    => 753640,
        'palworld'                       => 1623730,
        'persona-5-royal'                => 1687950,
        'ready-or-not'                   => 1144200,
        'red-dead-redemption-2'          => 1174180,
        'resident-evil-4'                => 2050650,
        'rimworld'                       => 294100,
        'sekiro-shadows-die-twice'       => 814380,
        'slay-the-spire'                 => 646570,
        'sonic-frontiers'                => 1237320,
        'stardew-valley'                 => 413150,
        'starfield'                      => 1716740,
        'street-fighter-6'               => 1364780,
        'terraria'                       => 105600,
        'the-last-of-us-part-i'          => 1888930,
        'the-witcher-3-wild-hunt'        => 292030,
        'total-war-warhammer-iii'        => 1142710,
        'valheim'                        => 892970,
        'warhammer-40000-darktide'       => 1361210,
    ];

    private const CDN = 'https://cdn.cloudflare.steamstatic.com/steam/apps/%d/';
    private const OUT_DIR = WRITEPATH . '../public/img/covers/';

    private const UA = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36';

    public function run(array $params): void
    {
        $games = Mongo::collection('games')->find()->toArray();

        if (! is_dir(self::OUT_DIR)) {
            mkdir(self::OUT_DIR, 0777, true);
        }

        $ok = 0;
        $fail = [];
        $skipped = 0;

        foreach ($games as $game) {
            $slug = $game['slug'];
            $appid = self::APP_IDS[$slug] ?? null;

            if ($appid === null) {
                $skipped++;
                continue;
            }

            $filename = $slug . '.jpg';
            $dest = self::OUT_DIR . $filename;

            $downloaded = $this->download(
                sprintf(self::CDN, $appid) . 'header.jpg',
                $dest
            );

            if (! $downloaded) {
                // try the capsule variant as a fallback
                $downloaded = $this->download(
                    sprintf(self::CDN, $appid) . 'capsule_616x353.jpg',
                    $dest
                );
            }

            if ($downloaded) {
                Mongo::collection('games')->updateOne(
                    ['slug' => $slug],
                    ['$set' => ['cover' => ['file' => '/img/covers/' . $filename, 'from' => '#000000', 'to' => '#000000']]]
                );
                $ok++;
                CLI::write('  ✓ ' . $slug . ' (' . $appid . ')', 'green');
            } else {
                $fail[] = $slug;
                CLI::write('  ✗ ' . $slug . ' (' . $appid . ')', 'red');
            }

            usleep(120000); // be gentle with the CDN
        }

        CLI::write('');
        CLI::write(sprintf('Downloaded %d covers, skipped %d (no appid), failed %d.', $ok, $skipped, count($fail)), 'cyan');
        if ($fail !== []) {
            CLI::write('Failed: ' . implode(', ', $fail), 'yellow');
        }
    }

    private function download(string $url, string $dest): bool
    {
        $ch = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT        => 20,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_USERAGENT      => self::UA,
            CURLOPT_SSL_VERIFYPEER => true,
        ]);

        $body = curl_exec($ch);
        $code = (int) curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
        $type = (string) curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
        curl_close($ch);

        if ($code !== 200 || $body === false || strlen($body) < 1000) {
            return false;
        }

        // ensure it's an image
        if (! str_starts_with($type, 'image/')) {
            return false;
        }

        return file_put_contents($dest, $body) !== false;
    }
}