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.*;
import com.mzl.flower.dto.response.coupon.CouponTemplateVO;
import com.mzl.flower.dto.response.coupon.CouponTemplateVipVO;
import com.mzl.flower.entity.coupon.CouponTemplateDO;
import com.mzl.flower.entity.menber.Member;
import com.mzl.flower.enums.CouponCategoryEnum;
import com.mzl.flower.enums.CouponTypeEnum;
import com.mzl.flower.service.coupon.CouponTemplateService2;
import com.mzl.flower.service.menber.MemberService;
import com.mzl.flower.utils.ConverterUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.lang3.StringUtils;
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;

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

    @Autowired
    CouponTemplateService2 couponTemplateService;

    @Autowired
    MemberService memberService;

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

        // 信息验证
        valid(dto);

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

        // 设置成会员优惠券
        couponTemplateBO.setCategory(CouponCategoryEnum.MEMBER.getStatus());

        couponTemplateService.createCouponTemplate(couponTemplateBO);

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

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

        dto.setId(id);
        // 信息验证
        valid(dto);

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

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

        // 设置成会员优惠券
        couponTemplateBO.setCategory(CouponCategoryEnum.MEMBER.getStatus());

        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, CouponTemplateVipVO.class));
    }

    @GetMapping("/page")
    @ApiOperation(value = "查询-分页", notes = "查询-分页")
    public ResponseEntity<ReturnDataDTO<Page<CouponTemplateVipVO>>> page(
            Page page, QueryCouponDTO dto
    ) {
        // 设置只查询会员优惠券的
        dto.setCategory(CouponCategoryEnum.MEMBER.getStatus());
        Page<CouponTemplateVO> resultPage = couponTemplateService.getPage(page, dto);
        return returnData(R.SUCCESS.getCode(), ConverterUtil.transPage(resultPage, CouponTemplateVipVO.class));

    }

    @GetMapping("/list")
    @ApiOperation(value = "查询-全部", notes = "查询-全部")
    public ResponseEntity<ReturnDataDTO<Page<CouponTemplateVipVO>>> list(QueryCouponDTO dto
    ) {
        dto.setCategory(CouponCategoryEnum.MEMBER.getStatus());
        return returnData(R.SUCCESS.getCode(), ConverterUtil.transList(couponTemplateService.getList(dto), CouponTemplateVipVO.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);
    }


    private void valid(CreateCouponTemplateVipDTO dto){

        final Member member = memberService.getById(dto.getMemberId());

        if(null==member){
            throw new ValidationException("会员等级不存在");
        }

        if (StringUtils.isNotBlank(dto.getCouponDiscountType())
                && 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 (StringUtils.isNotBlank(dto.getCouponDiscountType())
                && dto.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType())
                && dto.getCouponDiscountValue().compareTo(BigDecimal.ZERO) <= 0) {
            throw new ValidationException("折扣金额必须大于0");
        }

        if (StringUtils.isNotBlank(dto.getCouponDiscountType())
                && 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");
        }

    }
}