package com.mzl.flower.web.v2.coupon;


import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mzl.flower.base.BaseController;
import com.mzl.flower.base.R;
import com.mzl.flower.base.ReturnDataDTO;
import com.mzl.flower.config.exception.ValidationException;
import com.mzl.flower.dto.request.coupon.CreateCouponTemplateBO;
import com.mzl.flower.dto.request.coupon.CreateCouponTemplatePointDTO;
import com.mzl.flower.dto.request.coupon.CreateCouponTemplateUserDTO;
import com.mzl.flower.dto.request.coupon.QueryCouponDTO;
import com.mzl.flower.dto.response.coupon.CouponTemplatePointVO;
import com.mzl.flower.dto.response.coupon.CouponTemplateUserVO;
import com.mzl.flower.dto.response.coupon.CouponTemplateVO;
import com.mzl.flower.entity.coupon.CouponTemplateDO;
import com.mzl.flower.enums.CouponCategoryEnum;
import com.mzl.flower.enums.CouponGetUserTypeEnum;
import com.mzl.flower.enums.CouponTypeEnum;
import com.mzl.flower.enums.CouponUsageTypeEnum;
import com.mzl.flower.service.coupon.CouponTemplateService2;
import com.mzl.flower.utils.ConverterUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;


/**
 * @author @TaoJie
 * @since 2024-08-22
 */
@RestController
@RequestMapping("/api/v2/coupon/user")
@Api(value = "优惠券管理-用户", tags = "优惠券管理-用户")
@Validated
public class CouponTemplateUserController extends BaseController {

    @Autowired
    CouponTemplateService2 couponTemplateService;

    @PostMapping("")
    @ApiOperation(value = "新增", notes = "新增")
    public ResponseEntity<ReturnDataDTO> create(@Validated @RequestBody CreateCouponTemplateUserDTO dto) {

        if (dto.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType()) && dto.getMinOrderAmount().compareTo(dto.getCouponDiscountValue()) < 0) {
            throw new ValidationException("订单金额不能小于折扣金额");
        }

        if (dto.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType()) && dto.getMinOrderAmount().compareTo(BigDecimal.ZERO) != 0) {
            throw new ValidationException("无门槛的订单金额必须为0");
        }


        CreateCouponTemplateBO couponTemplateBO = new CreateCouponTemplateBO();
        BeanUtils.copyProperties(dto, couponTemplateBO);

        // 设置成指定用户
        couponTemplateBO.setGetUserType(CouponGetUserTypeEnum.POINT.getType());
        // 设置成积分优惠券
        couponTemplateBO.setCategory(CouponCategoryEnum.USER.getStatus());
        // 设置默认类型
        couponTemplateBO.setUsageType(CouponUsageTypeEnum.GET_AFTER_TIME.getType());

        couponTemplateService.createCouponTemplate(couponTemplateBO);

        return returnData(R.SUCCESS.getCode(), null);


    }

    @PutMapping("/{id}")
    @ApiOperation(value = "修改", notes = "修改")
    public ResponseEntity<ReturnDataDTO> update(@Validated @RequestBody CreateCouponTemplateUserDTO dto) {


        if (dto.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType()) && dto.getMinOrderAmount().compareTo(dto.getCouponDiscountValue()) < 0) {
            throw new ValidationException("订单金额不能小于折扣金额");
        }

        if (dto.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType()) && dto.getMinOrderAmount().compareTo(BigDecimal.ZERO) != 0) {
            throw new ValidationException("无门槛的订单金额必须为0");
        }


        CouponTemplateDO couponTemplateDO = couponTemplateService.getById(dto.getId());
        if (null == couponTemplateDO) {
            throw new ValidationException("优惠券不存在");
        }

        CreateCouponTemplateBO couponTemplateBO = new CreateCouponTemplateBO();
        BeanUtils.copyProperties(dto, couponTemplateBO);

         // 设置成指定用户
        couponTemplateBO.setGetUserType(CouponGetUserTypeEnum.POINT.getType());
        // 设置成积分优惠券
        couponTemplateBO.setCategory(CouponCategoryEnum.USER.getStatus());
        // 设置默认类型
        couponTemplateBO.setUsageType(CouponUsageTypeEnum.GET_AFTER_TIME.getType());


        couponTemplateService.updateCouponTemplate(couponTemplateBO);

        return returnData(R.SUCCESS.getCode(), null);
    }

    @DeleteMapping("/{id}")
    @ApiOperation(value = "删除", notes = "删除")
    public ResponseEntity<ReturnDataDTO> delete(@PathVariable String id) {

        CouponTemplateDO couponTemplateDO = couponTemplateService.getById(id);
        if (null == couponTemplateDO) {
            throw new ValidationException("优惠券不存在");
        }
        couponTemplateService.deleteCouponTemplate(id);
        return returnData(R.SUCCESS.getCode(), null);
    }

    @GetMapping("/{id}")
    @ApiOperation(value = "详情", notes = "详情")
    public ResponseEntity<ReturnDataDTO> get(@PathVariable String id) {
        CouponTemplateVO couponTemplateVO = couponTemplateService.getDetailById(id);
        return returnData(R.SUCCESS.getCode(), ConverterUtil.transObject(couponTemplateVO, CouponTemplateUserVO.class));
    }

    @GetMapping("/page")
    @ApiOperation(value = "查询-分页", notes = "查询-分页")
    public ResponseEntity<ReturnDataDTO<Page<CouponTemplatePointVO>>> page(
            Page page, QueryCouponDTO dto
    ) {
        // 设置只查询积分优惠券的
        dto.setCategory(CouponCategoryEnum.USER.getStatus());
        Page<CouponTemplateVO> resultPage = couponTemplateService.getPage(page, dto);
        return returnData(R.SUCCESS.getCode(), ConverterUtil.transPage(resultPage, CouponTemplateUserVO.class));
    }

    @GetMapping("/list")
    @ApiOperation(value = "查询-全部", notes = "查询-全部")
    public ResponseEntity<ReturnDataDTO<Page<CouponTemplateVO>>> list(QueryCouponDTO dto
    ) {
        // 设置只查询积分优惠券的
        dto.setCategory(CouponCategoryEnum.USER.getStatus());
        return returnData(R.SUCCESS.getCode(), ConverterUtil.transList(couponTemplateService.getList(dto), CouponTemplateUserVO.class));
    }


    @PutMapping("/active/{id}")
    @ApiOperation(value = "发布", notes = "发布")
    public ResponseEntity<ReturnDataDTO> active(@PathVariable String id) {

        CouponTemplateDO couponTemplateDO = couponTemplateService.getById(id);
        if (null == couponTemplateDO) {
            throw new ValidationException("优惠券不存在");
        }

        couponTemplateService.activeCouponTemplate(id);

        return returnData(R.SUCCESS.getCode(), null);
    }

    @PutMapping("/expire/{id}")
    @ApiOperation(value = "下架", notes = "下架")
    public ResponseEntity<ReturnDataDTO> expire(@PathVariable String id) {

        CouponTemplateDO couponTemplateDO = couponTemplateService.getById(id);
        if (null == couponTemplateDO) {
            throw new ValidationException("优惠券不存在");
        }

        couponTemplateService.expireCouponTemplate(id);

        return returnData(R.SUCCESS.getCode(), null);
    }


}