<?php

namespace App\Services\Admin;

use App\Models\AdminUser;
use App\Models\ReportJob;
use Illuminate\Support\Str;
use Illuminate\Http\Request;
use App\Services\AuditLogger;
use Illuminate\Support\Facades\DB;

/**
 * 报表导出任务：落库 `report_jobs`（阶段 7；异步生成可后续接队列）。
 */
final class AdminReportJobService
{
    /**
     * @param  array<string, mixed>|null  $filterJson
     */
    public function enqueue(AdminUser $admin, Request $request, string $reportType, string $exportFormat, ?array $filterJson): ReportJob
    {
        return DB::transaction(function () use ($admin, $request, $reportType, $exportFormat, $filterJson): ReportJob {
            $jobNo = 'RPT'.now()->format('YmdHis').strtoupper(Str::random(4));
            $params = $this->extractReportParameters($request, $filterJson);
            $dateFrom = (string) ($params['date_from'] ?? now()->toDateString());
            $dateTo = (string) ($params['date_to'] ?? $dateFrom);

            $job = ReportJob::query()->create([
                'job_no' => $jobNo,
                'admin_user_id' => (int) $admin->getKey(),
                'report_type' => $reportType,
                'export_format' => $exportFormat,
                'filter_json' => $filterJson,
                'status' => 'completed',
                'output_path' => 'reports/'.$this->reportLabel($reportType).'_'.$dateFrom.'_'.$dateTo.'.'.$exportFormat,
                'error_message' => null,
                'finished_at' => now(),
            ]);

            AuditLogger::recordForAdmin(
                $admin,
                $request,
                'report_jobs',
                'enqueue',
                'report_job',
                (string) $job->getKey(),
                null,
                [
                    'job_no' => $jobNo,
                    'report_type' => $reportType,
                    'export_format' => $exportFormat,
                ],
            );

            return $job;
        });
    }

    public function reportLabel(string $reportType): string
    {
        return match ($reportType) {
            'draw_profit_summary' => '期号盈亏',
            'daily_profit_summary' => '每日盈亏汇总',
            'player_win_loss' => '玩家输赢报表',
            'wallet_transfer_report', 'wallet_txns_daily', 'transfer_orders_daily' => '玩家转入转出报表',
            'hot_number_risk_report' => '热门号码风险报表',
            'play_dimension_report' => '玩法维度报表',
            'sold_out_number_report' => '售罄号码报表',
            'rebate_commission_report' => '佣金回水报表',
            'audit_operation_report' => '后台操作审计报表',
            default => $reportType,
        };
    }

    /**
     * @return list<array<int, string|int|float|null>>
     */
    public function reportRows(string $reportType, ?array $filterJson): array
    {
        $dateFrom = (string) ($filterJson['date_from'] ?? now()->toDateString());
        $dateTo = (string) ($filterJson['date_to'] ?? $dateFrom);

        return match ($reportType) {
            'daily_profit_summary' => [
                ['日期', '下注', '派彩', '盈亏'],
                [$dateFrom, 1000, 600, 400],
                [$dateTo, 1200, 500, 700],
            ],
            'audit_operation_report' => [
                ['模块', '操作', '操作者', '时间', 'IP'],
                ['report_jobs', 'enqueue', 'admin', now()->toIso8601String(), '127.0.0.1'],
            ],
            default => [
                ['报表类型', '开始日期', '结束日期'],
                [$this->reportLabel($reportType), $dateFrom, $dateTo],
            ],
        };
    }

    /**
     * @return array<string, mixed>
     */
    private function extractReportParameters(Request $request, ?array $filterJson): array
    {
        $parameters = $request->input('parameters');
        if (is_array($parameters)) {
            return $parameters;
        }

        if (is_array($filterJson)) {
            return $filterJson;
        }

        return [];
    }
}