package com.xuekairui.payment.controller;

import com.xuekairui.common.Result;
import com.xuekairui.payment.dto.*;
import com.xuekairui.payment.service.PaymentOrderService;
import com.xuekairui.payment.service.PaymentPlanService;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 支付控制器（用户端）
 */
@Slf4j
@RestController
@RequestMapping("/api/payment")
@RequiredArgsConstructor
public class PaymentController {

    private final PaymentPlanService paymentPlanService;
    private final PaymentOrderService paymentOrderService;

    /**
     * 获取可用支付方案列表（公开）
     */
    @GetMapping("/plans")
    public Result<List<PaymentPlanResponse>> getPlans() {
        return Result.success(paymentPlanService.getActivePlans());
    }

    /**
     * 创建支付订单
     */
    @PostMapping("/order/create")
    public Result<OrderResponse> createOrder(
            @Valid @RequestBody CreateOrderRequest request,
            HttpServletRequest httpReq) {
        Long userId = (Long) httpReq.getAttribute("userId");
        return Result.success(paymentOrderService.createOrder(userId, request));
    }

    /**
     * 查询单个订单
     */
    @GetMapping("/order/{orderNo}")
    public Result<OrderResponse> queryOrder(@PathVariable String orderNo) {
        return Result.success(paymentOrderService.queryOrder(orderNo));
    }

    /**
     * 切换支付渠道并重新生成二维码
     * 用户可在订单详情页切换为其他支付方式（如微信->支付宝），后端重新调用预下单接口生成新二维码
     */
    @PostMapping("/order/{orderNo}/switch-channel")
    public Result<OrderResponse> switchChannel(
            @PathVariable String orderNo,
            @Valid @RequestBody SwitchChannelRequest request,
            HttpServletRequest httpReq) {
        Long userId = (Long) httpReq.getAttribute("userId");
        return Result.success(paymentOrderService.switchChannel(userId, orderNo, request));
    }

    /**
     * 查询用户的所有订单
     */
    @GetMapping("/orders")
    public Result<List<OrderResponse>> listMyOrders(HttpServletRequest httpReq) {
        Long userId = (Long) httpReq.getAttribute("userId");
        return Result.success(paymentOrderService.listUserOrders(userId));
    }

    /**
     * 手动确认支付（开发/测试用）
     * mock模式：模拟支付；真实支付模式：手动确认（用于测试回调流程）
     */
    @PostMapping("/order/{orderNo}/pay")
    public Result<PaymentResultResponse> confirmPay(@PathVariable String orderNo) {
        return Result.success(paymentOrderService.confirmPay(orderNo));
    }
}