<?php

namespace App\Console\Commands;

use App\Services\ThirdGameOrderService;
use Carbon\Carbon;
use Illuminate\Console\Command;

class ThirdGameOrderBackfill extends Command
{
    protected $signature = 'third-game:backfill-orders
        {--days=15 : 未指定时间时回填最近几天，1-15}
        {--start= : 开始时间，格式 Y-m-d H:i:s}
        {--end= : 结束时间，格式 Y-m-d H:i:s}';

    protected $description = '分段回填 api-bet 最近 15 天内的三方游戏历史订单';

    public function handle(ThirdGameOrderService $service): int
    {
        $timezone = config('app.timezone', 'Asia/Shanghai');
        $now = Carbon::now($timezone);
        $startOption = trim((string) $this->option('start'));
        $endOption = trim((string) $this->option('end'));

        if (($startOption === '') !== ($endOption === '')) {
            $this->error('--start 和 --end 必须同时提供');
            return self::FAILURE;
        }

        try {
            if ($startOption !== '') {
                $start = Carbon::createFromFormat('Y-m-d H:i:s', $startOption, $timezone);
                $end = Carbon::createFromFormat('Y-m-d H:i:s', $endOption, $timezone);
            } else {
                $days = (int) $this->option('days');
                if ($days < 1 || $days > 15) {
                    $this->error('--days 必须是 1-15');
                    return self::FAILURE;
                }
                $end = $now->copy();
                $start = $end->copy()->subDays($days);
                if ($days === 15) {
                    $start->addMinute();
                }
            }
        } catch (\Throwable $e) {
            $this->error('时间格式错误，应为 Y-m-d H:i:s');
            return self::FAILURE;
        }

        if ($start->gte($end)) {
            $this->error('开始时间必须小于结束时间');
            return self::FAILURE;
        }
        if ($start->diffInSeconds($end) > 15 * 24 * 60 * 60) {
            $this->error('历史回填范围不能超过15天');
            return self::FAILURE;
        }
        if ($start->lt($now->copy()->subDays(15))) {
            $this->error('只能回填最近15天内的订单');
            return self::FAILURE;
        }

        $cursor = $start->copy();
        $totalSynced = 0;
        $windowCount = 0;
        $this->info(sprintf(
            '开始回填三方订单：%s 至 %s',
            $start->format('Y-m-d H:i:s'),
            $end->format('Y-m-d H:i:s')
        ));

        while ($cursor->lt($end)) {
            $windowEnd = $cursor->copy()->addHours(6);
            if ($windowEnd->gt($end)) {
                $windowEnd = $end->copy();
            }

            $page = 1;
            do {
                $result = $this->syncWithRateLimitRetry(
                    $service,
                    $cursor->format('Y-m-d H:i:s'),
                    $windowEnd->format('Y-m-d H:i:s'),
                    $page
                );
                if ($result === null) {
                    return self::FAILURE;
                }

                $totalSynced += (int) ($result['synced'] ?? 0);
                $this->line(sprintf(
                    '%s - %s page=%d received=%d synced=%d unmatched=%d',
                    $cursor->format('Y-m-d H:i:s'),
                    $windowEnd->format('Y-m-d H:i:s'),
                    $page,
                    (int) ($result['received'] ?? 0),
                    (int) ($result['synced'] ?? 0),
                    (int) ($result['unmatched_orders'] ?? 0)
                ));

                if (empty($result['has_more'])) {
                    break;
                }
                if ($page >= 1000) {
                    $this->error('单个时间段分页超过1000页，已停止回填');
                    return self::FAILURE;
                }

                sleep(10);
                $page++;
            } while (true);

            $windowCount++;
            $cursor = $windowEnd;
        }

        $this->info("历史订单回填完成：{$windowCount} 个时间段，写入或更新 {$totalSynced} 条");
        return self::SUCCESS;
    }

    private function syncWithRateLimitRetry(
        ThirdGameOrderService $service,
        string $startTime,
        string $endTime,
        int $page
    ): ?array {
        while (true) {
            try {
                $result = $service->syncHistory($startTime, $endTime, $page, 2000);
            } catch (\Throwable $e) {
                $this->error($e->getMessage());
                return null;
            }

            if (!empty($result['ok'])) {
                return $result;
            }

            $message = (string) ($result['msg'] ?? '三方订单同步失败');
            if (!preg_match('/请在(\d+)秒后重试/u', $message, $matches)) {
                $this->error($message);
                return null;
            }

            $waitSeconds = max(1, (int) $matches[1] + 1);
            $this->warn("{$message}，命令将在 {$waitSeconds} 秒后自动继续");
            sleep($waitSeconds);
        }
    }
}