<?php

namespace App\Http\Controllers\Api\V1\Admin\Jackpot;

use App\Models\JackpotPool;
use App\Support\ApiResponse;
use Illuminate\Http\Request;
use App\Models\JackpotPayoutLog;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;

final class AdminJackpotPoolManualBurstController extends Controller
{
    public function __invoke(Request $request, JackpotPool $pool): JsonResponse
    {
        $data = $request->validate([
            'draw_id' => 'required|integer|exists:draws,id',
            'amount' => 'nullable|integer|min:1',
        ]);

        $payload = DB::transaction(function () use ($pool, $data): array {
            /** @var JackpotPool $locked */
            $locked = JackpotPool::query()->whereKey($pool->id)->lockForUpdate()->firstOrFail();
            $poolBefore = (int) $locked->current_amount;
            $amount = isset($data['amount']) ? min((int) $data['amount'], $poolBefore) : $poolBefore;

            if ($amount <= 0) {
                return [
                    'current_amount' => $poolBefore,
                    'burst_amount' => 0,
                    'log_id' => null,
                ];
            }

            $drawId = (int) $data['draw_id'];

            $locked->forceFill([
                'current_amount' => $poolBefore - $amount,
                'last_trigger_draw_id' => $drawId,
            ])->save();

            $log = JackpotPayoutLog::query()->create([
                'draw_id' => $drawId,
                'jackpot_pool_id' => $locked->id,
                'trigger_type' => 'manual',
                'total_payout_amount' => $amount,
                'winner_count' => 0,
                'trigger_snapshot_json' => [
                    'pool_amount_before' => $poolBefore,
                    'manual' => true,
                ],
            ]);

            return [
                'current_amount' => (int) $locked->current_amount,
                'burst_amount' => $amount,
                'log_id' => (int) $log->id,
            ];
        });

        return ApiResponse::success($payload);
    }
}