<?php

namespace App\Module\Transfer\Services;

use App\Module\Transfer\Dtos\TransferAppDto;
use App\Module\Transfer\Dtos\TransferOrderDto;
use App\Module\Transfer\Logics\TransferLogic;
use App\Module\Transfer\Models\TransferApp;
use App\Module\Transfer\Models\TransferOrder;
use App\Module\Transfer\Services\FeeService;

/**
 * Transfer模块对外服务接口
 * 供其他模块调用的主要服务类
 */
class TransferService
{

    /**
     * 创建转出订单
     *
     * @param int $transferAppId 划转应用ID
     * @param int $userId 用户ID
     * @param string $amount 转出金额
     * @param string $password 安全密码
     * @param string|null $googleCode 谷歌验证码
     * @param string|null $outUserId 外部用户ID
     * @param string|null $remark 备注
     * @param array $callbackData 回调数据
     * @return TransferOrderDto|string 成功返回DTO，失败返回错误信息
     */
    public static function createTransferOut(
        int     $transferAppId,
        int     $userId,
        string  $amount,
        string  $password,
        ?string $googleCode = null,
        ?string $outUserId = null,
        ?string $remark = null,
        array   $callbackData = []
    ): TransferOrderDto|string
    {
        try {
            $data = [
                'transfer_app_id' => $transferAppId,
                'user_id'         => $userId,
                'amount'          => $amount,
                'password'        => $password,
                'google_code'     => $googleCode,
                'out_user_id'     => $outUserId,
                'remark'          => $remark,
                'callback_data'   => $callbackData,
            ];

            $order = TransferLogic::createTransferOutFromArray($data);

            return TransferOrderDto::fromModel($order);
        } catch (\Exception $e) {
            return $e->getMessage();
        }
    }

    /**
     * 创建转入订单
     *
     * @param int $transferAppId 划转应用ID
     * @param int $userId 用户ID
     * @param string $businessId 业务订单ID
     * @param string $amount 转入金额
     * @param string|null $outUserId 外部用户ID
     * @param string|null $remark 备注
     * @param array $callbackData 回调数据
     * @return TransferOrderDto|string 成功返回DTO，失败返回错误信息
     */
    public static function createTransferIn(
        int     $transferAppId,
        int     $userId,
        string  $businessId,
        string  $amount,
        ?string $outUserId = null,
        ?string $remark = null,
        array   $callbackData = []
    ): TransferOrderDto|string
    {
        try {
            $data = [
                'transfer_app_id' => $transferAppId,
                'user_id'         => $userId,
                'out_order_id'     => $businessId,
                'amount'          => $amount,
                'out_user_id'     => $outUserId,
                'remark'          => $remark,
                'callback_data'   => $callbackData,
            ];

            $order = TransferLogic::createTransferInFromArray($data, $userId);

            return TransferOrderDto::fromModel($order);
        } catch (\Exception $e) {
            return $e->getMessage();
        }
    }

    /**
     * 查询订单信息
     *
     * @param int $orderId 订单ID
     * @param int|null $userId 用户ID（可选，用于权限验证）
     * @return TransferOrderDto|null
     */
    public static function getOrderInfo(int $orderId, ?int $userId = null): ?TransferOrderDto
    {
        $query = TransferOrder::where('id', $orderId);

        if ($userId !== null) {
            $query->where('user_id', $userId);
        }

        $order = $query->first();

        return $order ? TransferOrderDto::fromModel($order) : null;
    }

    /**
     * 根据外部订单ID查询订单信息
     *
     * @param string $outOrderId 外部订单ID
     * @param int $outId 开放接口ID
     * @return TransferOrderDto|null
     */
    public static function getOrderByOutId(string $outOrderId, int $outId): ?TransferOrderDto
    {
        $order = TransferOrder::where('out_order_id', $outOrderId)
            ->where('out_id', $outId)
            ->first();

        return $order ? TransferOrderDto::fromModel($order) : null;
    }

    /**
     * 获取用户可用的划转应用列表
     *
     * @param int $userId 用户ID
     * @return TransferAppDto[]
     */
    public static function getAvailableApps(int $userId): array
    {
        $apps = TransferApp::where('is_enabled', true)->get();

        return $apps->map(function ($app) {
            return TransferAppDto::fromModel($app);
        })->toArray();
    }

    /**
     * 获取用户订单列表
     *
     * @param int $userId 用户ID
     * @param array $filters 筛选条件
     * @return array
     */
    public static function getUserOrders(int $userId, array $filters = []): array
    {
        $query = TransferOrder::where('user_id', $userId);

        // 应用筛选条件
        if (isset($filters['type'])) {
            $query->where('type', $filters['type']);
        }

        if (isset($filters['status'])) {
            $query->where('status', $filters['status']);
        }

        if (isset($filters['transfer_app_id'])) {
            $query->where('transfer_app_id', $filters['transfer_app_id']);
        }

        if (isset($filters['start_date'])) {
            $query->where('created_at', '>=', $filters['start_date']);
        }

        if (isset($filters['end_date'])) {
            $query->where('created_at', '<=', $filters['end_date']);
        }

        // 分页参数
        $page    = $filters['page'] ?? 1;
        $perPage = $filters['per_page'] ?? 20;

        $orders = $query->orderBy('created_at', 'desc')
            ->paginate($perPage, [ '*' ], 'page', $page);

        return [
            'data'         => $orders->items(),
            'current_page' => $orders->currentPage(),
            'per_page'     => $orders->perPage(),
            'total'        => $orders->total(),
            'last_page'    => $orders->lastPage(),
        ];
    }

    /**
     * 获取应用配置信息
     *
     * @param int $appId 应用ID
     * @return TransferAppDto|null
     */
    public static function getAppConfig(int $appId): ?TransferAppDto
    {
        $app = TransferApp::find($appId);

        return $app ? TransferAppDto::fromModel($app) : null;
    }

    /**
     * 根据应用标识获取配置信息
     *
     * @param string $keyname 应用标识
     * @return TransferAppDto|null
     */
    public static function getAppByKeyname(string $keyname): ?TransferAppDto
    {
        $app = TransferApp::where('keyname', $keyname)
            ->where('is_enabled', true)
            ->first();

        return $app ? TransferAppDto::fromModel($app) : null;
    }

    /**
     * 处理回调结果
     *
     * @param array $callbackData 回调数据
     * @return bool
     */
    public static function processCallback(array $callbackData): bool
    {
        try {
            return TransferLogic::processCallback($callbackData);
        } catch (\Exception $e) {
            \Log::error('Transfer callback processing failed', [
                'error' => $e->getMessage(),
                'data'  => $callbackData
            ]);

            return false;
        }
    }

    /**
     * 快速创建转出订单（简化版本，用于测试或内部调用）
     *
     * @param int $transferAppId 划转应用ID
     * @param int $userId 用户ID
     * @param string $amount 转出金额
     * @param string $password 安全密码
     * @return TransferOrderDto|string
     */
    public static function quickCreateTransferOut(
        int    $transferAppId,
        int    $userId,
        string $amount,
        string $password
    ): TransferOrderDto|string
    {
        return self::createTransferOut(
            transferAppId: $transferAppId,
            userId:        $userId,
            amount:        $amount,
            password:      $password
        );
    }

    /**
     * 快速创建转入订单（简化版本，用于测试或内部调用）
     *
     * @param int $transferAppId 划转应用ID
     * @param int $userId 用户ID
     * @param string $businessId 业务订单ID
     * @param string $amount 转入金额
     * @return TransferOrderDto|string
     */
    public static function quickCreateTransferIn(
        int    $transferAppId,
        int    $userId,
        string $businessId,
        string $amount
    ): TransferOrderDto|string
    {
        return self::createTransferIn(
            transferAppId: $transferAppId,
            userId:        $userId,
            businessId:    $businessId,
            amount:        $amount
        );
    }


    /**
     * 获取应用的手续费配置
     *
     * @param int $transferAppId 划转应用ID
     * @return array
     */
    public static function getFeeConfig(int $transferAppId): array
    {
        try {
            $app = TransferApp::findOrFail($transferAppId);

            return FeeService::getFeeConfig($app);
        } catch (\Exception $e) {
            return [
                'error'       => $e->getMessage(),
                'in'          => [ 'rate' => 0, 'min' => 0, 'max' => 0, 'enabled' => false ],
                'out'         => [ 'rate' => 0, 'min' => 0, 'max' => 0, 'enabled' => false ],
                'account_uid' => 0,
            ];
        }
    }

    /**
     * 获取手续费统计信息
     *
     * @param int $appId 应用ID（0表示所有应用）
     * @param string $startDate 开始日期
     * @param string $endDate 结束日期
     * @return array
     */
    public static function getFeeStatistics(int $appId = 0, string $startDate = '', string $endDate = ''): array
    {
        try {
            return FeeService::getFeeStatistics($appId, $startDate, $endDate);
        } catch (\Exception $e) {
            return [
                'error'        => $e->getMessage(),
                'total_orders' => 0,
                'total_fee'    => 0,
                'avg_fee_rate' => 0,
                'in_orders'    => 0,
                'in_fee'       => 0,
                'out_orders'   => 0,
                'out_fee'      => 0,
            ];
        }
    }

    /**
     * 获取应用的手续费收入统计
     *
     * @param int $appId 应用ID
     * @param int $days 统计天数
     * @return array
     */
    public static function getAppFeeIncome(int $appId, int $days = 30): array
    {
        try {
            return FeeService::getAppFeeIncome($appId, $days);
        } catch (\Exception $e) {
            return [
                'error'         => $e->getMessage(),
                'app_id'        => $appId,
                'days'          => $days,
                'total_fee'     => 0,
                'total_orders'  => 0,
                'avg_daily_fee' => 0,
                'daily_stats'   => [],
            ];
        }
    }

}