package com.ruoyi.account.controller;


import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.ruoyi.account.api.dto.CouponListDto;
import com.ruoyi.account.api.dto.GrantCouponDto;
import com.ruoyi.account.api.model.TAppCoupon;
import com.ruoyi.account.api.model.TAppUser;
import com.ruoyi.account.api.model.TAppUserCar;
import com.ruoyi.account.api.model.TAppUserTag;
import com.ruoyi.account.api.vo.AppUserWhitelistMatchVO;
import com.ruoyi.account.api.query.ExchangeRecordGoodsQuery;
import com.ruoyi.account.service.TAppUserService;
import com.ruoyi.account.service.TAppUserTagService;
import com.ruoyi.account.service.TAppUserWhitelistService;
import com.ruoyi.chargingPile.api.feignClient.ChargingGunClient;
import com.ruoyi.chargingPile.api.model.TChargingGun;
import com.ruoyi.chargingPile.api.model.TChargingPile;
import com.ruoyi.common.core.utils.ServletUtils;
import com.ruoyi.common.log.annotation.Log;
import com.ruoyi.common.log.enums.BusinessType;
import com.ruoyi.common.log.enums.OperatorType;
import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.other.api.vo.CouponListVOVO;
import com.ruoyi.account.api.vo.ExchangeRecordVO;
import com.ruoyi.account.service.TAppCouponService;
import com.ruoyi.account.service.TAppUserCarService;
import com.ruoyi.chargingPile.api.feignClient.ChargingPileClient;
import com.ruoyi.chargingPile.api.vo.SiteInfoVO;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.web.domain.AjaxResult;
import com.ruoyi.common.core.web.page.BasePage;
import com.ruoyi.common.core.web.page.PageInfo;
import com.ruoyi.common.security.service.TokenService;
import com.ruoyi.order.api.feignClient.ChargingOrderClient;
import com.ruoyi.other.api.domain.TCoupon;
import com.ruoyi.other.api.dto.ExchangeCodeBindDTO;
import com.ruoyi.other.api.feignClient.OtherClient;
import com.ruoyi.other.api.vo.ExchangeCodeBindResultVO;
import io.swagger.annotations.ApiModelProperty;
import io.swagger.annotations.ApiOperation;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author luodangjia
 * @since 2024-08-06
 */
@RestController
@RequestMapping("/t-app-coupon")
public class TAppCouponController {
    @Autowired
    private TAppCouponService tAppCouponService;
    @Resource
    private OtherClient otherClient;

    @Autowired
    private TAppUserCarService appUserCarService;
    @Resource
    private TokenService tokenService;
    @Resource
    private ChargingPileClient chargingPileClient;
    @Resource
    private ChargingOrderClient chargingOrderClient;
    @Resource
    private ChargingGunClient chargingGunClient;
    
    @Autowired
    private TAppUserTagService appUserTagService;
    @Autowired
    private TAppUserService appUserService;
    @Resource
    private TAppUserWhitelistService whitelistService;

    @Autowired
    private RedissonClient redissonClient;
    

    /**
     * 后台退款 回退优惠券使用状态
     * @return
     */
    @PostMapping(value = "/refund/{id}")
    public R refund(@PathVariable("id") String id) {
        TAppCoupon byId = tAppCouponService.getById(id);
        byId.setStatus(1);
        tAppCouponService.updateById(byId);
        return R.ok();
    }
    /**
     * 小程序扫一扫 添加车辆
     * @param dto
     * @return
     */
    @Log(title = "【扫一扫】添加车辆", businessType = BusinessType.INSERT,operatorType = OperatorType.MOBILE)
    @ApiOperation(value = "添加车辆", tags = {"小程序-扫一扫"})
    @PostMapping(value = "/scan/addCar")
    public AjaxResult addCar(@RequestBody TAppUserCar dto) {
        Long userId = tokenService.getLoginUserApplet().getUserId();
        RLock lock = redissonClient.getLock("CREATE_CAR:" + userId);
        try {
            boolean tryLock = lock.tryLock(2, 10, TimeUnit.SECONDS);
            if(tryLock){
                dto.setAppUserId(userId);
                TAppUserCar one = appUserCarService.getOne(new LambdaQueryWrapper<TAppUserCar>()
                        .eq(TAppUserCar::getLicensePlate, dto.getLicensePlate())
                        .eq(TAppUserCar::getAppUserId, dto.getAppUserId())
                        .eq(TAppUserCar::getDelFlag, 0));
                if(null != one){
                    return AjaxResult.error("车辆已存在");
                }
                appUserCarService.save(dto);
            }
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }finally {
            lock.unlock();
        }
        return AjaxResult.success();
    }
    /**
     * 查询用户可用优惠券数量
     * @return
     */
    @ApiOperation(value = "通过充电枪id和预付金额获取电站详情", tags = {"小程序-扫一扫"})
    @PostMapping(value = "/scan/siteInfo")
    public AjaxResult<SiteInfoVO> siteInfo(Integer id, BigDecimal money) {
        if (id == null || money == null) {
            return AjaxResult.error("充电枪和预付金额不能为空");
        }
        R<TChargingGun> chargingGunResult = chargingGunClient.getChargingGunById(id);
        TChargingGun chargingGun = chargingGunResult == null ? null : chargingGunResult.getData();
        if (chargingGun == null) {
            return AjaxResult.error("充电枪不存在或已停用");
        }
        R<TChargingPile> chargingPileResult = chargingPileClient.getChargingPileById(chargingGun.getChargingPileId());
        TChargingPile chargingPile = chargingPileResult == null ? null : chargingPileResult.getData();
        if (chargingPile == null || chargingPile.getCode() == null) {
            return AjaxResult.error("充电桩不存在或已停用");
        }
        R<SiteInfoVO> siteInfoResult = chargingPileClient.getSiteInfoByNumber1(chargingPile.getCode().toString());
        SiteInfoVO data = siteInfoResult == null ? null : siteInfoResult.getData();
        if (data == null) {
            String message = siteInfoResult == null ? null : siteInfoResult.getMsg();
            return AjaxResult.error(StringUtils.hasLength(message) ? message : "获取电站计费信息失败");
        }
        data.setChargingGunId(id);
        data.setSiteId(chargingGun.getSiteId());
        data.setChargeMode(chargingGun.getChargeMode());

        String token = SecurityUtils.getToken(ServletUtils.getRequest());
        if(com.ruoyi.common.core.utils.StringUtils.isNotEmpty(token)){
            List<TAppUserCar> cars = appUserCarService.list(new QueryWrapper<TAppUserCar>()
                        .eq("app_user_id",tokenService.getLoginUserApplet().getUserId())
                            .eq("del_flag", 0)
                    .orderByDesc("create_time"));
            if (!cars.isEmpty()){
                data.setLicensePlate(cars.get(0).getLicensePlate());
                data.setVin(cars.get(0).getVin());
                data.setVehicleBrand(cars.get(0).getVehicleBrand());
                data.setId(cars.get(0).getId().toString());
            }
            AppUserWhitelistMatchVO whitelist = whitelistService.matchWhitelist(tokenService.getLoginUserApplet().getUserId(), chargingGun.getSiteId());
            data.setWhitelistMatched(Boolean.TRUE.equals(whitelist.getMatched()));
            if (Boolean.TRUE.equals(whitelist.getMatched())) {
                // 充电页余额显示：按白名单所属公司账户模式下发账户可用余额（共享=公司余额，分配=白名单余额）
                data.setWhitelistBalance(whitelistService.resolveWhitelistAccountBalance(whitelist));
            }
            // 白名单权益已下线（充电完全按企业优惠结算），不再下发权益类型与名称，仅保留命中标识
            data.setWhitelistBenefitType(null);
            data.setWhitelistBenefitName(null);
        }
        Integer data2 = otherClient.getAddCarIntegral().getData();
        data.setIntegral(data2);

        BigDecimal electrovalence = data.getElectrovalence();
        BigDecimal vipElectrovalence = data.getVipElectrovalence();
        if (electrovalence == null || electrovalence.compareTo(BigDecimal.ZERO) <= 0) {
            return AjaxResult.error("当前时段未配置有效费率");
        }
        if (vipElectrovalence == null) {
            vipElectrovalence = electrovalence;
        }
        // 计算预付金额能充多少度普通电
        BigDecimal divide1 = money.divide(electrovalence, 2, BigDecimal.ROUND_HALF_UP);
        // 计算冲会员充电需要多少钱
        BigDecimal vipMoney = divide1.multiply(vipElectrovalence).setScale(2,BigDecimal.ROUND_HALF_UP);
//        BigDecimal subtract = divide.subtract(divide1);
        // 优惠金额
        data.setMoney(electrovalence.multiply(divide1).subtract(vipMoney).setScale(2, BigDecimal.ROUND_DOWN));
        return AjaxResult.ok(data);
    }
    /**
     * 查询用户可用优惠券数量
     * @param dto
     * @return
     */
    @ApiOperation(value = "选择优惠券分页查询", tags = {"小程序-扫一扫"})
    @PostMapping(value = "/scan/couponList")
    public AjaxResult<PageInfo<CouponListVOVO>> couponList(@RequestBody CouponListDto dto) {
        PageInfo<CouponListVOVO> res = tAppCouponService.couponList(dto);
        return AjaxResult.ok(res);
    }
    /**
     * 选择车辆列表 远程调用
     * @return
     */
    @ApiOperation(value = "选择车辆列表", tags = {"小程序-扫一扫"})
    @PostMapping(value = "/scan/carList")
    public R<List<TAppUserCar>> carList() {
        String token = SecurityUtils.getToken(ServletUtils.getRequest());
        if(!StringUtils.hasLength(token)){
            return R.ok(new ArrayList<>());
        }
        List<TAppUserCar> appUserId = appUserCarService.list(new QueryWrapper<TAppUserCar>()
                .eq("app_user_id",tokenService.getLoginUserApplet().getUserId()).eq("del_flag", 0));
        appUserId.forEach(s->s.setId_(s.getId().toString()));
        return R.ok(appUserId);
    }

    /**
     * 管理后台远程调用 根据优惠券ids 查询对应的发放数量
     * @return 优惠券ids 查询每个优惠券的发放数量
     */
    @PostMapping("/getCountByCouponIds/{couponIds}")
    public R<List<Integer>> getCountByCouponIds(@PathVariable("couponIds")String couponIds) {
        // 最终结果 和优惠券id一一对应
        List<Integer> res = new ArrayList<>();
        String[] split = couponIds.split(",");
        // 查询每个优惠券的发放数量
        for (String s : split) {
            res.add(tAppCouponService.list(new QueryWrapper<TAppCoupon>()
                    .eq("coupon_id", s)
                    .eq("del_flag",0)
            ).size());
        }
        return R.ok(res);
    }

    /**
     * 后台远程调用 根据优惠券id 查询使用数量
     * @param couponId
     * @return
     */
    @PostMapping("/getUseCountByCouponId/{couponId}")
    public R<Integer> getUseCountByCouponId(@PathVariable("couponId") Integer couponId){
        return R.ok(tAppCouponService.list(new QueryWrapper<TAppCoupon>()
                .eq("coupon_id", couponId)
                .eq("status",2)).size());
    }
    /**
     * 后台远程调用 根据优惠券id 查询领取记录
     * @param couponId
     * @return
     */
    @PostMapping("/getExchangeRecordByCouponId")
    public R<List<ExchangeRecordVO>> getExchangeRecordByCouponId(@RequestBody ExchangeRecordGoodsQuery couponId){
        return R.ok(tAppCouponService.pagelist(couponId));
    }
    
    @ApiOperation(value = "优惠卷可用数量", tags = {"小程序-站点管理-站点详情"})
    @GetMapping(value = "/couponCount")
    public R<Long> couponCount() {
        Long userId = tokenService.getLoginUserApplet().getUserId();
        Long count = tAppCouponService.lambdaQuery().eq(TAppCoupon::getAppUserId, userId).ge(TAppCoupon::getEndTime, LocalDateTime.now()).eq(TAppCoupon::getStatus, 1).count();
        if(Objects.isNull(count)){
            count = 0L;
        }
        return R.ok(count);
    }

    @ApiOperation(value = "兑换码绑定", tags = {"小程序-兑换码"})
    @PostMapping(value = "/exchangeCode/bind")
    public AjaxResult<ExchangeCodeBindResultVO> bindExchangeCode(@RequestBody ExchangeCodeBindDTO dto) {
        Long userId = tokenService.getLoginUserApplet().getUserId();
        TAppUser user = appUserService.getById(userId);
        ExchangeCodeBindResultVO data = otherClient.bindExchangeCode(dto, userId, user == null ? "" : user.getPhone()).getData();
        return AjaxResult.ok(data);
    }

    

    /**
     * 后台远程调用 给用户发放优惠券
     */
    @PostMapping("/grantCoupon")
    public R  grantCoupon(@RequestBody GrantCouponDto dto){
        if (dto.getWaysToObtain()==null){
        dto.setWaysToObtain(3);
        }
        List<TAppCoupon> res = new ArrayList<>();
        TCoupon coupon = otherClient.getCouponById(dto.getCouponId()).getData();

        switch (dto.getType()){
            case 1:
                // 根据标签ids 查询用户ids
                List<Long> collect = appUserTagService.list(new QueryWrapper<TAppUserTag>()
                        .in("user_tag_id", Arrays.asList(dto.getTags().split(","))))
                        .stream().map(TAppUserTag::getAppUserId).collect(Collectors.toList());
                for (Long l : collect) {
                    TAppCoupon tAppCoupon = new TAppCoupon();
                    tAppCoupon.setAppUserId(l);
                    tAppCoupon.setCouponId(dto.getCouponId());
                    tAppCoupon.setEndTime(dto.getEndTime());
                    tAppCoupon.setWaysToObtain(dto.getWaysToObtain());
                    tAppCoupon.setStatus(1);
                    tAppCoupon.setCouponJson(JSON.toJSONString(coupon));
                    res.add(tAppCoupon);
                }
                tAppCouponService.saveBatch(res);
                break;
            case 2:
                // 根据市codes 查询用户ids
                List<Long> collect1 = new ArrayList<>();
                // 根据市codes 查询用户ids
                if (StringUtils.hasLength(dto.getProvinceCode())){
                    List<Long> collect2 = appUserService.list(new QueryWrapper<TAppUser>()
                            .in("province_code", Arrays.asList(dto.getProvinceCode().split(","))))
                            .stream().map(TAppUser::getId).collect(Collectors.toList());
                    collect1.addAll(collect2);
                }
                if (StringUtils.hasLength(dto.getCityCode())){
                    List<Long> collect2 = appUserService.list(new QueryWrapper<TAppUser>()
                            .in("city_code", Arrays.asList(dto.getCityCode().split(","))))
                            .stream().map(TAppUser::getId).collect(Collectors.toList());
                    collect1.addAll(collect2);
                }
                for (Long l : collect1) {
                    TAppCoupon tAppCoupon = new TAppCoupon();
                    tAppCoupon.setAppUserId(l);
                    tAppCoupon.setCouponId(dto.getCouponId());
                    tAppCoupon.setEndTime(dto.getEndTime());
                    tAppCoupon.setWaysToObtain(dto.getWaysToObtain());
                    tAppCoupon.setStatus(1);
                    tAppCoupon.setCouponJson(JSON.toJSONString(coupon));
                    res.add(tAppCoupon);
                }
                tAppCouponService.saveBatch(res);
                break;
            case 3:
                for (String s : dto.getUserIds().split(",")) {
                    TAppCoupon tAppCoupon = new TAppCoupon();
                    tAppCoupon.setAppUserId(Long.valueOf(s));
                    tAppCoupon.setCouponId(dto.getCouponId());
                    tAppCoupon.setEndTime(dto.getEndTime());
                    tAppCoupon.setWaysToObtain(dto.getWaysToObtain());
                    tAppCoupon.setStatus(1);
                    tAppCoupon.setCouponJson(JSON.toJSONString(coupon));
                    res.add(tAppCoupon);
                }
                tAppCouponService.saveBatch(res);
                break;
        }



        return R.ok();
    }
    
    
    /**
     * 根据id获取优惠券领取记录
     * @param id
     * @return
     */
    @PostMapping("/getAppCouponById")
    public R<TAppCoupon> getAppCouponById(@RequestParam("id") Long id){
        TAppCoupon appCoupon = tAppCouponService.getById(id);
        return R.ok(appCoupon);
    }

    @PostMapping("/getAppCouponByIds")
    public R<List<TAppCoupon>> getAppCouponByIds(@RequestBody List<Long> ids){
        if (ids == null || ids.isEmpty()) {
            return R.ok(new ArrayList<>());
        }
        return R.ok(tAppCouponService.listByIds(ids));
    }
    
    /**
     * 修改用户优惠券
     * @param appCoupon
     * @return
     */
    @PostMapping("/updateAppCoupon")
    public R updateAppCoupon(@RequestBody TAppCoupon appCoupon){
        tAppCouponService.updateById(appCoupon);
        return R.ok();
    }
}