package com.ruoyi.web.controller.api;


import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.dto.ShoppingCartItem;
import com.ruoyi.system.model.TCrmSupplier;
import com.ruoyi.system.model.TErpGoods;
import com.ruoyi.system.model.TErpGoodsType;
import com.ruoyi.system.model.TErpGoodsUnit;
import com.ruoyi.system.query.TErpGoodsShopQuery;
import com.ruoyi.system.service.*;
import com.ruoyi.system.vo.ShopCarVO;
import com.ruoyi.system.vo.TErpGoodsVO;
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.web.bind.annotation.*;

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

/**
 * <p>
 * erp商品 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2025-08-20
 */
@RestController
@RequestMapping("/t-erp-goods")
@Api(tags = "2.0新增海诊商城")
public class TErpGoodsShopController {


    private final TErpGoodsService erpGoodsService;
    private final TokenService tokenService;
    private final TErpGoodsTypeService erpGoodsTypeService;
    private final TErpGoodsUnitService erpGoodsUnitService;
    private final TErpSupplierWarehousingBatchService erpSupplierWarehousingBatchService;
    private final TErpSupplierWarehousingService erpSupplierWarehousingService;
    private final TErpSupplierOutboundGoodsService erpSupplierOutboundGoodsService;
    private final TErpMaintenanceReminderService erpMaintenanceReminderService;
    private final TCrmClinicService crmClinicService;
    private final TCrmSupplierService crmSupplierService;
    private final ISysUserService sysUserService;

    @Autowired
    private RedisCache redisCache;


    @Autowired
    public TErpGoodsShopController(TErpGoodsService erpGoodsService, TokenService tokenService, TErpGoodsTypeService erpGoodsTypeService, TErpGoodsUnitService erpGoodsUnitService,
                                   TErpSupplierWarehousingBatchService erpSupplierWarehousingBatchService, TErpSupplierWarehousingService erpSupplierWarehousingService,
                                   TErpSupplierOutboundGoodsService erpSupplierOutboundGoodsService, TErpMaintenanceReminderService erpMaintenanceReminderService, TCrmClinicService crmClinicService, TCrmSupplierService crmSupplierService, ISysUserService sysUserService) {
        this.erpGoodsService = erpGoodsService;
        this.tokenService = tokenService;
        this.erpGoodsTypeService = erpGoodsTypeService;
        this.erpGoodsUnitService = erpGoodsUnitService;
        this.erpSupplierWarehousingBatchService = erpSupplierWarehousingBatchService;
        this.erpSupplierWarehousingService = erpSupplierWarehousingService;
        this.erpSupplierOutboundGoodsService = erpSupplierOutboundGoodsService;
        this.erpMaintenanceReminderService = erpMaintenanceReminderService;
        this.crmClinicService = crmClinicService;
        this.crmSupplierService = crmSupplierService;
        this.sysUserService = sysUserService;
    }

    /**
     * 海诊商城分页列表
     */
    @ApiOperation(value = "海诊商城分页列表")
    @PostMapping(value = "/pageShopList")
    public R<PageInfo<TErpGoodsVO>> pageShopList(@RequestBody TErpGoodsShopQuery query) {
        return R.ok(erpGoodsService.pageShopList(query));
    }

    /**
     * 海诊商城-商品详情
     */
    @ApiOperation(value = "海诊商城-商品详情")
    @GetMapping(value = "/shopDetail")
    public R<TErpGoodsVO> pageShopList(String id) {
        TErpGoods goods = erpGoodsService.getById(id);
        TErpGoodsVO res = new TErpGoodsVO();
        BeanUtils.copyProperties(goods, res);
        TCrmSupplier supplier = crmSupplierService.getById(goods.getSupplierClinicId());
        if (supplier != null) res.setSupplierName(supplier.getSupplierName());
        TErpGoodsType erpGoodsType = erpGoodsTypeService.getById(goods.getTypeId());
        if (erpGoodsType != null) res.setTypeName(erpGoodsType.getTypeName());
        if (goods.getPackingUnitId() != null) {
            TErpGoodsUnit goodsUnit = erpGoodsUnitService.getById(goods.getPackingUnitId());
            if (goodsUnit != null) res.setPackingUnitName(goodsUnit.getUnitName());
        }
        return R.ok(res);
    }
    @ApiOperation(value = "海诊商城-清空购物车")
    @GetMapping(value = "/clear")
    public R clearAll() {
        Long userId = tokenService.getLoginUser().getUserId();
        redisCache.deleteObject("shopCart:"+userId);
        return R.ok();
    }
    @ApiOperation(value = "海诊商城-购买后删除购物车商品")
    @GetMapping(value = "/clearByIds")
    public void clearByIds(String ids) {
        List<String> list = Arrays.asList(ids.split(","));
        Long userId = tokenService.getLoginUser().getUserId();
        List<ShoppingCartItem> cacheList = redisCache.getCacheList("shopCart:"+userId);
        List<ShoppingCartItem> res = new ArrayList<>();
        redisCache.deleteObject("shopCart:"+userId);
        for (ShoppingCartItem shoppingCartItem : cacheList) {
            if (!list.contains(shoppingCartItem.getId())){
                res.add(shoppingCartItem);
            }
        }
        if (!res.isEmpty()){
            redisCache.setCacheList("shopCart:"+userId, res);
        }
    }
    @ApiOperation(value = "海诊商城-单删购物车")
    @GetMapping(value = "/clearById")
    public R clear(String id) {
        Long userId = tokenService.getLoginUser().getUserId();
        List<ShoppingCartItem> cacheList = redisCache.getCacheList("shopCart:"+userId);
        List<ShoppingCartItem> res = new ArrayList<>();
        redisCache.deleteObject("shopCart:"+userId);
        for (ShoppingCartItem shoppingCartItem : cacheList) {
            if (!shoppingCartItem.getId().equals(id)){
                res.add(shoppingCartItem);
            }
        }
        if (!res.isEmpty()){
            redisCache.setCacheList("shopCart:"+userId, res);
        }
        return R.ok();
    }
    /**
     * 海诊商城-加入购物车
     */
    @ApiOperation(value = "海诊商城-加入购物车")
    @GetMapping(value = "/addShopCar")
    public R addShopCar(String id, Integer num) {
        ShoppingCartItem shoppingCartItem = new ShoppingCartItem();
        shoppingCartItem.setId(id);
        shoppingCartItem.setNum(num);
        Long userId = tokenService.getLoginUser().getUserId();
        List<ShoppingCartItem> cacheList = redisCache.getCacheList("shopCart:"+userId);
        if (cacheList==null){
            cacheList = new ArrayList<>();
        }
        redisCache.deleteObject("shopCart:"+userId);
        if (num==0){
            // 移除
            List<ShoppingCartItem> res = new ArrayList<>();
            for (ShoppingCartItem cartItem : cacheList) {
                if (!cartItem.getId().equals( id)){
                    res.add(cartItem);
                }
            }
            redisCache.setCacheList("shopCart:"+userId, res);
        }else{
            ShoppingCartItem temp = cacheList.stream().filter(e -> e.getId().equals(id)).findFirst().orElse(null);
            if (temp != null){
                // 修改数量
                for (ShoppingCartItem cartItem : cacheList) {
                    if (cartItem.getId().equals(id)) {
                        cartItem.setNum(num);
                        break;
                    }
                }
                redisCache.setCacheList("shopCart:"+userId, cacheList);
            }else{
                // 新增
                cacheList.add(shoppingCartItem);
                redisCache.setCacheList("shopCart:"+userId, cacheList);

            }

        }
        return R.ok();
    }

    /**
     * 海诊商城-查询购物车
     */
    @ApiOperation(value = "海诊商城-查询购物车")
    @GetMapping(value = "/queryShopCar")
    public R<ShopCarVO> queryShopCar() {
        ShopCarVO res = new ShopCarVO();
        Long userId = tokenService.getLoginUser().getUserId();
        List<ShoppingCartItem> cacheList = redisCache.getCacheList("shopCart:"+userId);
        List<String> goodsIds = cacheList.stream().map(ShoppingCartItem::getId).collect(Collectors.toList());
        if (goodsIds.isEmpty()){
            ShopCarVO shopCarVO = new ShopCarVO();
            shopCarVO.setTotalPrice(BigDecimal.ZERO);
            shopCarVO.setList(new ArrayList<>());
            return R.ok(shopCarVO);
        }
        TErpGoodsShopQuery tErpGoodsShopQuery = new TErpGoodsShopQuery();
        tErpGoodsShopQuery.setGoodsIds(goodsIds);
//        PageInfo<TErpGoodsVO> tErpGoodsVOPageInfo = erpGoodsService.pageShopList(tErpGoodsShopQuery);
//        List<TErpGoodsVO> records = tErpGoodsVOPageInfo.getRecords();
//        for (TErpGoodsVO record : records) {
//            for (ShoppingCartItem cartItem : cacheList) {
//                if (cartItem.getId().equals(record.getId())) {
//                    record.setNumber(cartItem.getNum());
//                    record.setPrice(record.getSalesAmount().multiply(new BigDecimal(record.getNumber())).setScale(2, RoundingMode.HALF_UP));
//                }
//            }
//        }
        List<TErpGoodsVO> listAll = erpGoodsService.pageShopListAll(tErpGoodsShopQuery);
        for (TErpGoodsVO record : listAll) {
            for (ShoppingCartItem cartItem : cacheList) {
                if (cartItem.getId().equals(record.getId())) {
                    record.setNumber(cartItem.getNum());
                    record.setPrice(record.getSalesAmount().multiply(new BigDecimal(record.getNumber())).setScale(2, RoundingMode.HALF_UP));
                }
            }
        }
        BigDecimal totalPrice = listAll.stream().map(TErpGoodsVO::getPrice).filter(Objects::nonNull).reduce(BigDecimal.ZERO, BigDecimal::add);
        res.setList(listAll);
        res.setTotalPrice(totalPrice);
        return R.ok(res);
    }


}