package com.xiaopeng.account.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.xiaopeng.account.model.dto.ReceiveCouponDto;
import com.xiaopeng.account.model.dto.SendCouponDto;
import com.xiaopeng.account.model.query.XpUserCouponListQuery;
import com.xiaopeng.account.model.vo.XpAppUserCouponListVo;
import com.xiaopeng.account.model.vo.XpAppUserCouponTotalVo;
import com.xiaopeng.account.model.vo.XpAppUserCouponVo;
import com.xiaopeng.account.service.IXpAppUserCouponService;
import com.xiaopeng.api.dto.account.GetUserCouponDto;
import com.xiaopeng.api.dto.account.NavigationCouponPickerRequest;
import com.xiaopeng.api.vo.account.NavigationCouponPickerVo;
import com.xiaopeng.api.dto.account.UseUserCouponDto;
import com.xiaopeng.api.feignClient.account.UserResourcesClient;
import com.xiaopeng.api.feignClient.operation.XpCouponClient;
import com.xiaopeng.api.feignClient.operation.XpOpenCityClient;
import com.xiaopeng.api.model.account.XpAppUserCoupon;
import com.xiaopeng.api.model.operation.XpCoupon;
import com.xiaopeng.api.vo.account.UserCouponVo;
import com.xiaopeng.common.core.domain.R;
import com.xiaopeng.unifiedverification.interceptor.XpClientCheck;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * 用户优惠券 前端控制器
 * </p>
 *
 * @author mitao
 * @since 2026-02-03
 */
@RestController
@RequestMapping("")
public class XpAppUserCouponController {


    private final IXpAppUserCouponService xpAppUserCouponService;
    private final XpOpenCityClient xpOpenCityClient;
    private final UserResourcesClient userResourcesClient;
    private final XpCouponClient xpCouponClient;


    public XpAppUserCouponController(IXpAppUserCouponService xpAppUserCouponService, XpOpenCityClient xpOpenCityClient, UserResourcesClient userResourcesClient, XpCouponClient xpCouponClient) {
        this.xpAppUserCouponService = xpAppUserCouponService;
        this.xpOpenCityClient = xpOpenCityClient;
        this.userResourcesClient = userResourcesClient;
        this.xpCouponClient = xpCouponClient;
    }


    @PostMapping("/logan/inner/appUserCoupon/getUserCoupon")
    public R<UserCouponVo> getUserCoupon(@RequestBody GetUserCouponDto dto) {
//        String phone ="18888888888";
//        if(dto.getUserId()>1){
//            UserResourcesDto baseUserByUid = userResourcesClient.getBaseUserByUid(dto.getUserId().toString());
//            if(baseUserByUid!=null){
//                Object data = baseUserByUid.getData();
//                phone = JSONObject.parseObject(data.toString()).getString("mobile");
//            }
//        }


        UserCouponVo userCouponVo = new UserCouponVo();
        // 获取用户所有优惠券
        List<XpAppUserCoupon> couponList = xpAppUserCouponService.list(new LambdaQueryWrapper<XpAppUserCoupon>().eq(dto.getUserCouponId()!=null,XpAppUserCoupon::getId, dto.getUserCouponId()).eq(XpAppUserCoupon::getStatus, 1).eq(XpAppUserCoupon::getAppUserId,dto.getUserId()).apply("(FIND_IN_SET({0}, open_city_id) or open_city_id='0')", dto.getOpenCityId()) );
        if(couponList.isEmpty()){
            return R.ok(userCouponVo);
        }
        // 计算使用时间规则
        couponList = xpAppUserCouponService.timeRule(couponList);
        if(couponList.isEmpty()){
            if(dto.getUserCouponId()!=null){
                userCouponVo.setStatus(2);
            }
            return R.ok(userCouponVo);
        }
        if(dto.getUserCouponId()!=null){
            XpAppUserCoupon coupon = couponList.get(0);
            // 判断是否满足金额
            if(coupon.getCouponType()==2){
                if(dto.getTotalAmount()<coupon.getFullMoney().doubleValue()){
                    userCouponVo.setStatus(2);
                }
            }
        }

        if(dto.getUserCouponId()!=null){
            XpAppUserCoupon coupon = couponList.get(0);
            userCouponVo.setId(coupon.getId());
            userCouponVo.setMoney(coupon.getMoney().doubleValue());
            return R.ok(userCouponVo);
        }else {
            // 优先用满足条件且抵扣金额最大的
            List<XpAppUserCoupon> discountUserCoupons = couponList.stream().filter(e -> e.getCouponType() == 1).sorted(Comparator.comparing(XpAppUserCoupon::getMoney).reversed()).collect(Collectors.toList());
            if(!discountUserCoupons.isEmpty()){
                userCouponVo.setId(discountUserCoupons.get(0).getId());
                userCouponVo.setMoney(discountUserCoupons.get(0).getMoney().doubleValue());
                return R.ok(userCouponVo);
            }
            List<XpAppUserCoupon> fullUserCoupons = couponList.stream().filter(e -> e.getCouponType() == 2 && dto.getTotalAmount() >= e.getFullMoney().doubleValue()).sorted(Comparator.comparing(XpAppUserCoupon::getMoney).reversed()).collect(Collectors.toList());
            if(!fullUserCoupons.isEmpty()){
                userCouponVo.setId(fullUserCoupons.get(0).getId());
                userCouponVo.setMoney(fullUserCoupons.get(0).getMoney().doubleValue());
                return R.ok(userCouponVo);
            }
            return R.ok(userCouponVo);
        }

    }
    @PostMapping("/logan/inner/appUserCoupon/useUserCoupon")
    public R<BigDecimal> useUserCoupon(@RequestBody UseUserCouponDto dto) {
        XpAppUserCoupon appUserCoupon = xpAppUserCouponService.getById(dto.getUserCouponId());
        appUserCoupon.setStatus(2);
        appUserCoupon.setUseTime(LocalDateTime.now());
        appUserCoupon.setAppUserId(null);
        xpAppUserCouponService.updateById(appUserCoupon);
        return R.ok(appUserCoupon.getMoney());
    }

    /**
     * 退回用户的优惠卷
     * @param dto
     * @return
     */
    @PostMapping("/logan/inner/appUserCoupon/backUserCoupon")
    public R<BigDecimal> backUserCoupon(@RequestBody UseUserCouponDto dto) {
        if(dto.getUserCouponId() == null){
            return R.ok();
        }
        XpAppUserCoupon appUserCoupon = xpAppUserCouponService.getById(dto.getUserCouponId());
        //状态(1=未使用，2=已使用，3=已过期  0=待领取 4=占用中)
        if(appUserCoupon.getExpirationTime().isAfter(LocalDateTime.now())){
            appUserCoupon.setStatus(3);
        }else{
            appUserCoupon.setStatus(1);
        }
        appUserCoupon.setUseTime(null);
        appUserCoupon.setAppUserId(null);
        xpAppUserCouponService.updateById(appUserCoupon);
        return R.ok();
    }





    /**
     * 获取优惠券列表
     */
    @PostMapping("/api/v1/mini-program/coupon/navigation-picker")
    @ApiOperation(value = "导航下单-选券弹窗（排序、最佳优惠、气泡文案）", tags = {"小程序-优惠券"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<NavigationCouponPickerVo> navigationCouponPicker(@RequestBody @Valid NavigationCouponPickerRequest request,
                                                              HttpServletRequest httpRequest) {
        String uid = httpRequest.getHeader("XP-Uid");
        return R.ok(xpAppUserCouponService.navigationCouponPicker(Long.valueOf(uid), request));
    }

    @PostMapping("/api/v1/mini-program/coupon/list")
    @ApiOperation(value = "获取用户获取优惠券列表", tags = {"小程序-获取用户获取优惠券列表"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<XpAppUserCouponVo> list(@RequestBody XpUserCouponListQuery query, HttpServletRequest request) {
        // uid已通过拦截器otp校验，可以直接使用
        String uid = request.getHeader("XP-Uid");
//        String phone ="18888888888";
//        UserResourcesDto baseUserByUid = userResourcesClient.getBaseUserByUid(uid);
//        if(baseUserByUid!=null){
//            Object data = baseUserByUid.getData();
//            phone = JSONObject.parseObject(data.toString()).getString("mobile");
//        }

        XpAppUserCouponVo vo = xpAppUserCouponService.userCouponList(query, uid);
        return R.ok(vo);
    }

    /**
     * 领取优惠券
     */
    @PostMapping("/api/v1/mini-program/coupon/receive")
    @ApiOperation(value = "领取优惠券", tags = {"小程序-领取优惠券"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<String> receive(@RequestBody ReceiveCouponDto dto, HttpServletRequest request) {
        // uid已通过拦截器otp校验，可以直接使用
        String uid = request.getHeader("XP-Uid");
        boolean result = xpAppUserCouponService.receive(dto,uid);
        if(result){
            return R.ok();
        }
        return R.fail();
    }



    /**
     * 获取优惠券详情
     */
    @GetMapping("/api/v1/mini-program/coupon/detail/{couponId}")
    @ApiOperation(value = "获取用户获取优惠券详情", tags = {"小程序-获取用户获取优惠券详情"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<XpAppUserCouponListVo> detail(@PathVariable("couponId") Long couponId, HttpServletRequest request) {
        // uid已通过拦截器otp校验，可以直接使用
        String uid = request.getHeader("XP-Uid");
//        String phone ="18888888888";
//        UserResourcesDto baseUserByUid = userResourcesClient.getBaseUserByUid(uid);
//        if(baseUserByUid!=null){
//            Object data = baseUserByUid.getData();
//            phone = JSONObject.parseObject(data.toString()).getString("mobile");
//        }
        XpAppUserCoupon coupon = xpAppUserCouponService.getById(couponId);
        if(uid.equals(coupon.getAppUserId().toString())){
            XpAppUserCouponListVo vo = new XpAppUserCouponListVo();
            vo.setCouponId(coupon.getId().toString());
            vo.setTitle(coupon.getCouponName());
            vo.setExpireTime(coupon.getExpirationTime());
            vo.setTimeRule(coupon.getTimeJson());
            if("0".equals(vo.getCouponId())){
                vo.setApplicableCities(Arrays.asList("不限"));
            }else {
                R<List<String>> r = xpOpenCityClient.pageList(coupon.getOpenCityId());
                if(r.getCode()==200){
                    vo.setApplicableCities(r.getData());
                }
            }
            R<XpCoupon> coupon1 = xpCouponClient.getCouponById(coupon.getCouponId());
            if(coupon1!=null){
                XpCoupon xpCoupon = coupon1.getData();
                vo.setCouponDesc(xpCoupon.getCouponDescription());
            }
            return R.ok(vo);
        }
        return R.ok(null);
    }

    /**
     * 获取优惠券列表total
     */
    @GetMapping("/api/v1/mini-program/coupon/total")
    @ApiOperation(value = "获取用户获取优惠券数量", tags = {"小程序-获取用户获取优惠券数量"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<XpAppUserCouponTotalVo> total(HttpServletRequest request) {
        // uid已通过拦截器otp校验，可以直接使用
        String uid = request.getHeader("XP-Uid");
//        String phone ="18888888888";
//        UserResourcesDto baseUserByUid = userResourcesClient.getBaseUserByUid(uid);
//        if(baseUserByUid!=null){
//            Object data = baseUserByUid.getData();
//            phone = JSONObject.parseObject(data.toString()).getString("mobile");
//        }
        XpAppUserCouponTotalVo vo = xpAppUserCouponService.userCouponTotal(uid);
        return R.ok(vo);
    }


    /**
     * 发放优惠券
     */
    @PostMapping("/api/v1/appUserCoupon/send")
    @ApiOperation(value = "发放优惠券", tags = {"管理后台-发放优惠券"})
    public R<String> send(@RequestBody SendCouponDto dto) {
        xpAppUserCouponService.send(dto);
        return R.ok();
    }


    /**
     * 1.0获取用户可用优惠券数量
     */
    @GetMapping("/api/v1/mini-program/getUserCouponNum")
    @ApiOperation(value = "1.0获取用户可用优惠券数量", tags = {"小程序-获取用户可用优惠券数量"})
    @XpClientCheck(checkToken = false, checkOtpToken = true)
    public R<Integer> getUserCouponNum(HttpServletRequest request) {
        // uid已通过拦截器otp校验，可以直接使用
        String uid = request.getHeader("XP-Uid");
        Integer num = xpAppUserCouponService.getUserCouponNum(uid);
        return R.ok(num);
    }

}