<?php

namespace App\Services\Wallet;

use App\Models\Player;
use Illuminate\Support\Facades\Http;

/**
 * 查询主站钱包余额（供玩家端余额接口填充 main_balance）。
 */
final class HttpMainSiteWalletBalanceClient
{
    public function fetch(Player $player, string $currencyCode): ?int
    {
        $base = rtrim((string) config('lottery.main_site.wallet_api_url'), '/');
        if ($base === '') {
            return null;
        }

        $path = (string) config('lottery.main_site.wallet_balance_path', '/wallet/balance');
        $url = $base.'/'.ltrim($path, '/');
        $timeout = (int) config('lottery.main_site.wallet_timeout', 10);
        $apiKey = config('lottery.main_site.wallet_api_key');

        $headers = ['Accept' => 'application/json'];
        if (is_string($apiKey) && $apiKey !== '') {
            $headers['Authorization'] = 'Bearer '.$apiKey;
        }

        try {
            $response = Http::withHeaders($headers)
                ->timeout($timeout)
                ->acceptJson()
                ->get($url, [
                    'site_code' => $player->site_code,
                    'site_player_id' => $player->site_player_id,
                    'currency_code' => $currencyCode,
                ]);
        } catch (\Throwable) {
            return null;
        }

        if (! $response->successful()) {
            return null;
        }

        $payload = $response->json();
        if (! is_array($payload)) {
            return null;
        }

        $raw = data_get($payload, 'data.main_balance')
            ?? data_get($payload, 'main_balance');

        if (! is_numeric($raw)) {
            return null;
        }

        return max(0, (int) $raw);
    }
}