<?php

namespace App\Console\Commands;

use App\Models\BalanceLog;
use App\Services\ThirdGameBalanceService;
use Carbon\Carbon;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;

class ThirdGameBalanceUsers extends Command
{
    protected $signature = 'third-game:balance-users
        {--from= : 开始时间，例如 2026-07-14 10:00:00}
        {--to= : 结束时间，例如 2026-07-14 23:59:59}
        {--member_id=* : 只查询指定 member_id，可重复传入}
        {--csv= : CSV 输出路径，默认保存到 storage/app}
        {--show=100 : 控制台最多展示条数}';

    protected $description = '导出有三方游戏转入、失败退回或转出流水的玩家（只读，不回收余额）';

    public function handle(ThirdGameBalanceService $service): int
    {
        try {
            $from = $this->parseTimeOption('from');
            $to = $this->parseTimeOption('to');
        } catch (\InvalidArgumentException $e) {
            $this->error($e->getMessage());
            return self::FAILURE;
        }

        if ($from !== null && $to !== null && $from->greaterThan($to)) {
            $this->error('--from 不能晚于 --to');
            return self::FAILURE;
        }

        $transferInType = '三方游戏转入';
        $transferOutType = '三方游戏转出';
        $query = BalanceLog::query()
            ->whereNotNull('member_id')
            ->where('member_id', '<>', '')
            ->whereIn('change_type', [$transferInType, $transferOutType])
            ->select('member_id')
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount < 0 THEN 1 ELSE 0 END) AS transfer_in_count',
                [$transferInType]
            )
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount < 0 THEN -amount ELSE 0 END) AS transfer_in_total',
                [$transferInType]
            )
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount > 0 THEN 1 ELSE 0 END) AS refund_count',
                [$transferInType]
            )
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount > 0 THEN amount ELSE 0 END) AS refund_total',
                [$transferInType]
            )
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount > 0 THEN 1 ELSE 0 END) AS transfer_out_count',
                [$transferOutType]
            )
            ->selectRaw(
                'SUM(CASE WHEN change_type = ? AND amount > 0 THEN amount ELSE 0 END) AS transfer_out_total',
                [$transferOutType]
            )
            ->selectRaw('MIN(created_at) AS first_at, MAX(created_at) AS last_at');

        if ($from !== null) {
            $query->where('created_at', '>=', $from->format('Y-m-d H:i:s'));
        }
        if ($to !== null) {
            $query->where('created_at', '<=', $to->format('Y-m-d H:i:s'));
        }

        $memberIds = array_values(array_filter(array_map('strval', (array) $this->option('member_id'))));
        if ($memberIds !== []) {
            $query->whereIn('member_id', $memberIds);
        }

        $rows = $query->groupBy('member_id')->orderBy('member_id')->get();
        $report = [];
        foreach ($rows as $row) {
            $transferInCount = (int) $row->transfer_in_count;
            $refundCount = (int) $row->refund_count;
            $transferOutCount = (int) $row->transfer_out_count;
            $flowTypes = [];
            if ($transferInCount > 0) {
                $flowTypes[] = '转入';
            }
            if ($refundCount > 0) {
                $flowTypes[] = '失败退款';
            }
            if ($transferOutCount > 0) {
                $flowTypes[] = '转出';
            }
            $report[] = [
                'member_id' => (string) $row->member_id,
                'player_id' => $service->playerId((string) $row->member_id),
                'flow_type' => implode('+', $flowTypes),
                'transfer_in_count' => $transferInCount,
                'transfer_in_total' => $this->decimal($row->transfer_in_total),
                'refund_count' => $refundCount,
                'refund_total' => $this->decimal($row->refund_total),
                'transfer_out_count' => $transferOutCount,
                'transfer_out_total' => $this->decimal($row->transfer_out_total),
                'first_at' => (string) $row->first_at,
                'last_at' => (string) $row->last_at,
            ];
        }

        $csvPath = (string) $this->option('csv');
        if ($csvPath === '') {
            $csvPath = storage_path('app/third_game_balance_users_' . now()->format('Ymd_His') . '.csv');
        }
        if (!$this->writeCsv($csvPath, $report)) {
            return self::FAILURE;
        }

        $show = max(0, (int) $this->option('show'));
        if ($show > 0 && $report !== []) {
            $this->table(array_keys($report[0]), array_slice($report, 0, $show));
        }

        $this->info('共找到 ' . count($report) . ' 个玩家');
        $this->info('CSV：' . $csvPath);
        $this->comment('本命令只读：未请求三方接口，未修改钱包或流水。');
        return self::SUCCESS;
    }

    private function parseTimeOption(string $name): ?Carbon
    {
        $value = trim((string) $this->option($name));
        if ($value === '') {
            return null;
        }

        try {
            return Carbon::createFromFormat('Y-m-d H:i:s', $value);
        } catch (\Throwable $e) {
            throw new \InvalidArgumentException('--' . $name . ' 格式必须为 YYYY-MM-DD HH:MM:SS');
        }
    }

    private function decimal($value): string
    {
        return bcadd(is_numeric($value) ? (string) $value : '0', '0', 10);
    }

    private function writeCsv(string $path, array $rows): bool
    {
        try {
            File::ensureDirectoryExists(dirname($path));
            $handle = fopen($path, 'wb');
            if ($handle === false) {
                throw new \RuntimeException('无法创建 CSV');
            }

            fwrite($handle, "\xEF\xBB\xBF");
            $headers = $rows !== [] ? array_keys($rows[0]) : [
                'member_id', 'player_id', 'flow_type', 'transfer_in_count', 'transfer_in_total',
                'refund_count', 'refund_total', 'transfer_out_count', 'transfer_out_total',
                'first_at', 'last_at',
            ];
            fputcsv($handle, $headers);
            foreach ($rows as $row) {
                fputcsv($handle, $row);
            }
            fclose($handle);
            return true;
        } catch (\Throwable $e) {
            if (isset($handle) && is_resource($handle)) {
                fclose($handle);
            }
            $this->error('写入 CSV 失败：' . $e->getMessage());
            return false;
        }
    }
}