<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Concerns\ProxiesBackend;
use App\Services\BackendHttpClient;

use Illuminate\Http\Request;

class BonusesController extends Controller
{
    use ProxiesBackend;

    public function __construct(private readonly BackendHttpClient $client)
    {
    }

    /**
     * Lightweight JSON for the in-app Bonuses page.
     * Authenticated web users only (route middleware handles auth+throttle).
     */
    public function appIndex(Request $request)
    {
        try {
            $res = $this->client->get($request, '/bonuses/app', [
                'limit' => min(100, (int) $request->query('limit', 50)),
            ], retry: true);

            if ($res->successful()) {
                $body = $res->json() ?: [];
                $available = $body['available'] ?? $body['bonuses'] ?? [];
                $active = $body['active'] ?? [];
                $history = $body['history'] ?? [];

                // Normalize available list to fields expected by UI (keep unknowns as-is)
                $availableDto = [];
                foreach ((array) $available as $b) {
                    if (!is_array($b)) continue;
                    $availableDto[] = [
                        'id' => $b['id'] ?? null,
                        'title' => $b['title'] ?? null,
                        'type' => $b['type'] ?? null,
                        'amount_value' => isset($b['amount_value']) ? (float) $b['amount_value'] : (isset($b['amount']) ? (float) $b['amount'] : null),
                        'amount_unit' => $b['amount_unit'] ?? $b['unit'] ?? null,
                        'min_deposit' => isset($b['min_deposit']) ? (float) $b['min_deposit'] : null,
                        'max_amount' => isset($b['max_amount']) ? (float) $b['max_amount'] : null,
                        'currency' => $b['currency'] ?? null,
                        'code' => $b['code'] ?? null,
                        'starts_at' => $b['starts_at'] ?? null,
                        'expires_at' => $b['expires_at'] ?? null,
                        'description' => $b['description'] ?? null,
                    ];
                }

                return response()->json([
                    'available' => $availableDto,
                    'active' => $active,
                    'history' => $history,
                    'now' => $body['now'] ?? now()->toIso8601String(),
                ], 200);
            }

            if ($res->clientError()) return $this->mapClientError($res);
            if ($res->serverError()) return $this->mapServiceUnavailable($res);
            return $this->mapBadGateway();
        } catch (\Throwable $e) {
            return $this->mapBadGateway('API server not reachable');
        }
    }
}