<?php

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

use Carbon\Carbon;
use App\Models\Draw;
use App\Support\ApiResponse;
use Illuminate\Http\JsonResponse;
use App\Http\Controllers\Controller;
use App\Lottery\DrawResultBatchStatus;
use App\Services\Draw\DrawHallSnapshotBuilder;

/**
 * GET /api/v1/admin/draws/{draw} — 当期状态明细（后台查看 DB 为准 + 大厅展示态预览）。
 */
final class AdminDrawShowController extends Controller
{
    public function __construct(
        private readonly DrawHallSnapshotBuilder $hallPreview,
    ) {}

    public function __invoke(Draw $draw): JsonResponse
    {
        $nowUtc = now()->utc();
        $batchCounts = [
            'total' => $draw->resultBatches()->count(),
            'pending_review' => $draw->resultBatches()
                ->where('status', DrawResultBatchStatus::PendingReview->value)
                ->count(),
            'published' => $draw->resultBatches()
                ->where('status', DrawResultBatchStatus::Published->value)
                ->count(),
        ];

        return ApiResponse::success([
            'id' => (int) $draw->id,
            'draw_no' => $draw->draw_no,
            'business_date' => $draw->business_date instanceof Carbon
                ? $draw->business_date->format('Y-m-d')
                : (string) $draw->business_date,
            'sequence_no' => (int) $draw->sequence_no,
            /** 数据库当期状态（权威） */
            'status' => $draw->status,
            /** 与玩家大厅 snapshot 对齐的展示态（未跑 tick 时可能与 status 不一致） */
            'hall_preview_status' => $this->hallPreview->effectiveHallDisplayStatus($draw, $nowUtc),
            'start_time' => $draw->start_time?->toIso8601String(),
            'close_time' => $draw->close_time?->toIso8601String(),
            'draw_time' => $draw->draw_time?->toIso8601String(),
            'cooling_end_time' => $draw->cooling_end_time?->toIso8601String(),
            'result_source' => $draw->result_source,
            'current_result_version' => (int) $draw->current_result_version,
            'settle_version' => (int) $draw->settle_version,
            'is_reopened' => (bool) $draw->is_reopened,
            'created_at' => $draw->created_at?->toIso8601String(),
            'updated_at' => $draw->updated_at?->toIso8601String(),
            'result_batch_counts' => $batchCounts,
        ]);
    }
}