<?php

namespace App\Module\UrsPromotion\Services;

use App\Module\UrsPromotion\Logics\UrsTransferFeeLogic;
use App\Module\UrsPromotion\Dtos\UrsTransferFeeConfigDto;
use Illuminate\Support\Facades\Log;

/**
 * URS转账手续费服务
 *
 * 对外提供URS推广模块的转入/转出手续费相关服务接口
 */
class UrsTransferFeeService
{
    /**
     * 根据用户ID获取最优手续费率
     *
     * @param int $userId 农场用户ID
     * @param string $transferType 转账类型：'in'转入，'out'转出
     * @return float 手续费率
     */
    public static function getBestFeeRateForUser(int $userId, string $transferType = 'out'): float
    {
        try {
            $logic = new UrsTransferFeeLogic();
            return $logic->getBestFeeRateForUser($userId, $transferType);

        } catch (\Exception $e) {
            Log::error('URS转账手续费率获取失败', [
                'user_id' => $userId,
                'transfer_type' => $transferType,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            // 返回默认费率（转入通常免费，转出5%）
            return $transferType === 'in' ? 0.0 : 0.05;
        }
    }

    /**
     * 根据房屋等级和达人等级计算最优手续费率
     *
     * @param int $houseLevel 房屋等级
     * @param int $talentLevel 达人等级
     * @param string $transferType 转账类型：'in'转入，'out'转出
     * @return float 手续费率
     */
    public static function calculateBestFeeRate(int $houseLevel, int $talentLevel, string $transferType = 'out'): float
    {
        try {
            $logic = new UrsTransferFeeLogic();
            return $logic->calculateBestFeeRate($houseLevel, $talentLevel, $transferType);

        } catch (\Exception $e) {
            Log::error('URS转账手续费率计算失败', [
                'house_level' => $houseLevel,
                'talent_level' => $talentLevel,
                'transfer_type' => $transferType,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            // 返回默认费率（转入通常免费，转出5%）
            return $transferType === 'in' ? 0.0 : 0.05;
        }
    }

    /**
     * 获取所有手续费配置
     *
     * @return array<UrsTransferFeeConfigDto>
     */
    public static function getAllConfigs(): array
    {
        try {
            $logic = new UrsTransferFeeLogic();
            return $logic->getAllConfigs();

        } catch (\Exception $e) {
            Log::error('获取URS转出手续费配置失败', [
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return [];
        }
    }

    /**
     * 清除用户手续费率缓存
     *
     * @param int $userId 农场用户ID
     * @return void
     */
    public static function clearUserFeeRateCache(int $userId): void
    {
        try {
            $logic = new UrsTransferFeeLogic();
            $logic->clearUserFeeRateCache($userId);

            Log::info('URS转出手续费率缓存已清除', [
                'user_id' => $userId
            ]);

        } catch (\Exception $e) {
            Log::error('清除URS转出手续费率缓存失败', [
                'user_id' => $userId,
                'error' => $e->getMessage()
            ]);
        }
    }

    /**
     * 清除所有手续费率缓存
     *
     * @return void
     */
    public static function clearAllFeeRateCache(): void
    {
        try {
            $logic = new UrsTransferFeeLogic();
            $logic->clearAllFeeRateCache();

            Log::info('所有URS转出手续费率缓存已清除');

        } catch (\Exception $e) {
            Log::error('清除所有URS转出手续费率缓存失败', [
                'error' => $e->getMessage()
            ]);
        }
    }

    /**
     * 获取用户的手续费优惠信息
     *
     * @param int $userId 农场用户ID
     * @return array 包含手续费率、优惠信息等
     */
    public static function getUserFeeInfo(int $userId): array
    {
        try {
            $logic = new UrsTransferFeeLogic();

            // 获取用户的最优手续费率
            $feeRate = $logic->getBestFeeRateForUser($userId);

            // 获取默认费率用于比较
            $defaultRate = 0.05; // 5%

            // 计算优惠幅度
            $discountAmount = $defaultRate - $feeRate;
            $discountPercentage = $defaultRate > 0 ? ($discountAmount / $defaultRate) * 100 : 0;

            return [
                'fee_rate' => $feeRate,
                'fee_rate_percentage' => number_format($feeRate * 100, 2) . '%',
                'default_rate' => $defaultRate,
                'default_rate_percentage' => number_format($defaultRate * 100, 2) . '%',
                'discount_amount' => $discountAmount,
                'discount_percentage' => number_format($discountPercentage, 2) . '%',
                'has_discount' => $feeRate < $defaultRate,
            ];

        } catch (\Exception $e) {
            Log::error('获取用户手续费优惠信息失败', [
                'user_id' => $userId,
                'error' => $e->getMessage()
            ]);

            // 返回默认信息
            return [
                'fee_rate' => 0.05,
                'fee_rate_percentage' => '5.00%',
                'default_rate' => 0.05,
                'default_rate_percentage' => '5.00%',
                'discount_amount' => 0,
                'discount_percentage' => '0.00%',
                'has_discount' => false,
            ];
        }
    }
}