package com.ruoyi.system.util;

import com.ruoyi.common.core.domain.entity.OrderInfo;
import com.ruoyi.common.core.domain.dto.PaymentRequest;
import com.ruoyi.common.utils.StringUtils;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;

/**
 * 支付工具类
 * 
 * @author ruoyi
 * @date 2025-01-27
 */
@Component
public class PaymentUtil {

    /**
     * 处理支付宝支付
     */
    public Map<String, Object> processAliPay(OrderInfo orderInfo, PaymentRequest request) {
        Map<String, Object> result = new HashMap<>();
        
        // TODO: 调用支付宝SDK进行支付
        // 这里只是模拟返回支付参数
        
        // 构建支付宝支付参数
        Map<String, Object> aliPayParams = new HashMap<>();
        aliPayParams.put("out_trade_no", orderInfo.getOrderId().toString());
        aliPayParams.put("total_amount", orderInfo.getAmount() / 100.0);
        aliPayParams.put("subject", StringUtils.isNotEmpty(request.getSubject()) ? request.getSubject() : orderInfo.getOrderName());
        aliPayParams.put("body", StringUtils.isNotEmpty(request.getBody()) ? request.getBody() : "购买VIP会员服务");
        aliPayParams.put("timeout_express", (request.getTimeoutMinutes() != null ? request.getTimeoutMinutes() : 30) + "m");
        aliPayParams.put("product_code", "QUICK_WAP_WAY");
        
        result.put("paymentUrl", "https://openapi.alipay.com/gateway.do?");
        result.put("orderId", orderInfo.getOrderId());
        result.put("amount", orderInfo.getAmount());
        result.put("payType", "aliPay");
        result.put("params", aliPayParams);
        
        return result;
    }

    /**
     * 处理微信支付
     */
    public Map<String, Object> processWechatPay(OrderInfo orderInfo, PaymentRequest request) {
        Map<String, Object> result = new HashMap<>();
        
        // TODO: 调用微信支付SDK进行支付
        // 这里只是模拟返回支付参数
        
        // 构建微信支付参数
        Map<String, Object> wechatPayParams = new HashMap<>();
        wechatPayParams.put("out_trade_no", orderInfo.getOrderId().toString());
        wechatPayParams.put("total_fee", orderInfo.getAmount());
        wechatPayParams.put("body", StringUtils.isNotEmpty(request.getBody()) ? request.getBody() : orderInfo.getOrderName());
        wechatPayParams.put("attach", StringUtils.isNotEmpty(request.getAttach()) ? request.getAttach() : "VIP会员服务");
        
        if (StringUtils.isNotEmpty(request.getOpenid())) {
            wechatPayParams.put("openid", request.getOpenid());
        }
        
        result.put("prepayId", "wx_prepay_id_" + System.currentTimeMillis());
        result.put("orderId", orderInfo.getOrderId());
        result.put("amount", orderInfo.getAmount());
        result.put("payType", "wechatPay");
        result.put("params", wechatPayParams);
        
        return result;
    }

    /**
     * 处理Apple Pay支付
     */
    public Map<String, Object> processApplePay(OrderInfo orderInfo, PaymentRequest request) {
        Map<String, Object> result = new HashMap<>();
        
        // TODO: 调用Apple Pay SDK进行支付
        // 这里只是模拟返回支付参数
        
        // 构建Apple Pay支付参数
        Map<String, Object> applePayParams = new HashMap<>();
        applePayParams.put("orderId", orderInfo.getOrderId().toString());
        applePayParams.put("amount", orderInfo.getAmount() / 100.0);
        applePayParams.put("currency", "CNY");
        applePayParams.put("merchantIdentifier", StringUtils.isNotEmpty(request.getMerchantIdentifier()) ? 
            request.getMerchantIdentifier() : "merchant.com.example");
        
        if (StringUtils.isNotEmpty(request.getPaymentToken())) {
            applePayParams.put("paymentToken", request.getPaymentToken());
        }
        
        result.put("paymentToken", "apple_payment_token_" + System.currentTimeMillis());
        result.put("orderId", orderInfo.getOrderId());
        result.put("amount", orderInfo.getAmount());
        result.put("payType", "applePay");
        result.put("params", applePayParams);
        
        return result;
    }

    /**
     * 验证支付回调
     */
    public boolean verifyPaymentCallback(String orderId, String tradeNo, String payType, String signature) {
        // TODO: 根据不同的支付方式验证回调签名
        // 这里只是模拟验证
        
        if (StringUtils.isEmpty(orderId) || StringUtils.isEmpty(tradeNo) || StringUtils.isEmpty(payType)) {
            return false;
        }
        
        // 验证签名逻辑
        switch (payType) {
            case "aliPay":
                return verifyAliPayCallback(signature);
            case "wechatPay":
                return verifyWechatPayCallback(signature);
            case "applePay":
                return verifyApplePayCallback(signature);
            default:
                return false;
        }
    }

    /**
     * 验证支付宝回调
     */
    private boolean verifyAliPayCallback(String signature) {
        // TODO: 实现支付宝回调验证
        return true;
    }

    /**
     * 验证微信支付回调
     */
    private boolean verifyWechatPayCallback(String signature) {
        // TODO: 实现微信支付回调验证
        return true;
    }

    /**
     * 验证Apple Pay回调
     */
    private boolean verifyApplePayCallback(String signature) {
        // TODO: 实现Apple Pay回调验证
        return true;
    }

    /**
     * 处理退款
     */
    public boolean processRefund(String orderId, Long refundAmount, String payType) {
        // TODO: 根据不同的支付方式调用相应的退款接口
        
        switch (payType) {
            case "aliPay":
                return processAliPayRefund(orderId, refundAmount);
            case "wechatPay":
                return processWechatPayRefund(orderId, refundAmount);
            case "applePay":
                return processApplePayRefund(orderId, refundAmount);
            default:
                return false;
        }
    }

    /**
     * 处理支付宝退款
     */
    private boolean processAliPayRefund(String orderId, Long refundAmount) {
        // TODO: 调用支付宝退款接口
        return true;
    }

    /**
     * 处理微信支付退款
     */
    private boolean processWechatPayRefund(String orderId, Long refundAmount) {
        // TODO: 调用微信支付退款接口
        return true;
    }

    /**
     * 处理Apple Pay退款
     */
    private boolean processApplePayRefund(String orderId, Long refundAmount) {
        // TODO: 调用Apple Pay退款接口
        return true;
    }
} 