<?php

namespace App\Services\Rebrickable;

use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;

class RebrickableClient
{
    protected static string $cachePrefix = 'rebrickable';

    public function __construct(protected array $config)
    {
    }

    /**
     * Search for LEGO set Id, which will return a rebrickable set num
     */
    public function searchSet(string $setId)
    {
        $response = $this->get(sprintf('sets/?search=%s', $setId));
        $options  = [];

        foreach ($response['results'] as $result) {
            $options[$result['set_num']] = $result['name'];
        }

        return $options;
    }

    /**
     * Get a specific set from its rebrickable ID
     */
    public function getSet(string $setId)
    {
        return $this->get(sprintf('sets/%s/', $setId));
    }

    /**
     * Get a specific theme from its rebrickable ID
     */
    public function getTheme(string $themeId)
    {
        return $this->get(sprintf('themes/%s/', $themeId));
    }

    /**
     * Return minifigs associated to the set
     */
    public function getMinifigs(string $setId)
    {
        return $this->get(sprintf('sets/%s/minifigs/', $setId))['results'];
    }

    /**
     * Cache and return the result of a GET request
     */
    private function get(string $url)
    {
        $key      = $this->config['key'];
        $baseUrl  = $this->config['base_url'];
        $cacheKey = sprintf('%s_%s', static::$cachePrefix, Str::slug($url));

        if (Cache::has($cacheKey)) {
            return Cache::get($cacheKey);
        }

        $response = Http::throw()
            ->withHeader('Authorization', sprintf('key %s', $key))
            ->get(sprintf('%s/%s', $baseUrl, $url))->json();

        Cache::put($cacheKey, $response, now()->addDays(7));

        return $response;
    }
}