<?php

namespace App\Services;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;

class SteamGridDbService
{
    private const BASE_URI = 'https://www.steamgriddb.com/api/v2/';
    private Client $client;
    private ?string $apiKey;

    public function __construct(?string $apiKey = null)
    {
        $this->apiKey = $apiKey ?? $_ENV['STEAMGRIDDB_API_KEY'] ?? null;
        $this->client = new Client([
            'base_uri' => self::BASE_URI,
            'headers' => [
                'Authorization' => 'Bearer ' . $this->apiKey,
                'Accept' => 'application/json',
            ],
            'http_errors' => false,
        ]);
    }

    /**
     * Search for games by name
     */
    public function searchGames(string $query): array
    {
        try {
            $response = $this->client->get('search/autocomplete/' . urlencode($query));
            $data = json_decode($response->getBody()->getContents(), true);
            return $data['data'] ?? [];
        } catch (GuzzleException $e) {
            return [];
        }
    }

    /**
     * Get game by ID
     */
    public function getGame(int $gameId): ?array
    {
        try {
            $response = $this->client->get('games/id/' . $gameId);
            $data = json_decode($response->getBody()->getContents(), true);
            return $data['data'] ?? null;
        } catch (GuzzleException $e) {
            return null;
        }
    }

    /**
     * Get game grids (covers)
     */
    public function getGrids(int $gameId, array $options = []): array
    {
        return $this->getMedia('grids/game/' . $gameId, $options);
    }

    /**
     * Get game heroes (backgrounds)
     */
    public function getHeroes(int $gameId, array $options = []): array
    {
        return $this->getMedia('heroes/game/' . $gameId, $options);
    }

    /**
     * Get game icons
     */
    public function getIcons(int $gameId, array $options = []): array
    {
        return $this->getMedia('icons/game/' . $gameId, $options);
    }

    /**
     * Get game logos
     */
    public function getLogos(int $gameId, array $options = []): array
    {
        return $this->getMedia('logos/game/' . $gameId, $options);
    }

    /**
     * Download a media file
     */
    public function downloadMedia(string $url): ?string
    {
        try {
            $response = $this->client->get($url, ['stream' => true]);
            
            if ($response->getStatusCode() !== 200) {
                return null;
            }

            $tempFile = tempnam(sys_get_temp_dir(), 'sgdb_');
            file_put_contents($tempFile, $response->getBody());
            
            return $tempFile;
        } catch (GuzzleException $e) {
            return null;
        }
    }

    private function getMedia(string $endpoint, array $options = []): array
    {
        $query = [];
        if (!empty($options['styles'])) {
            $query['styles'] = is_array($options['styles']) ? implode(',', $options['styles']) : $options['styles'];
        }
        if (!empty($options['dimensions'])) {
            $query['dimensions'] = is_array($options['dimensions']) ? implode(',', $options['dimensions']) : $options['dimensions'];
        }
        if (!empty($options['mimes'])) {
            $query['mimes'] = is_array($options['mimes']) ? implode(',', $options['mimes']) : $options['mimes'];
        }
        if (!empty($options['types'])) {
            $query['types'] = is_array($options['types']) ? implode(',', $options['types']) : $options['types'];
        }

        try {
            $response = $this->client->get($endpoint, ['query' => $query]);
            $data = json_decode($response->getBody()->getContents(), true);
            return $data['data'] ?? [];
        } catch (GuzzleException $e) {
            return [];
        }
    }
}