package com.xiaopeng.operation.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.xiaopeng.api.model.operation.XpOpenCity;
import com.xiaopeng.api.model.operation.XpRegion;
import com.xiaopeng.common.core.constant.CacheConstants;
import com.xiaopeng.common.core.domain.R;
import com.xiaopeng.common.redis.service.RedisService;
import com.xiaopeng.operation.query.getProvinceQuery;
import com.xiaopeng.operation.service.XpOpenCityService;
import com.xiaopeng.operation.service.XpRegionService;
import com.xiaopeng.operation.vo.RegionCascaderVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * 省市管理 前端控制器
 * </p>
 *
 */
@Api(tags = "省市管理")
@RestController
public class XpRegionController {

    private final XpRegionService regionService;
    private final RedisService redisService;
    private final XpOpenCityService openCityService;


    @Autowired
    public XpRegionController(XpRegionService regionService, RedisService redisService, XpOpenCityService openCityService) {
        this.regionService = regionService;
        this.redisService = redisService;
        this.openCityService = openCityService;
    }



    /**
     * 查询省市管理
     */
    @ApiOperation(value = "查询省市管理",tags = {"小程序-省市管理"},response = XpRegion.class)
    @GetMapping(value = "/base/v1/mini-program/open/t-region/getRegion")
    public R<List<List<XpRegion>>> geXpRegion() {
        return R.ok(regionService.getXpRegion());
    }


    /*
     * 查询市
     */
    @ApiOperation(value = "查询市",tags = {"小程序-查询市"},response = XpRegion.class)
    @PostMapping(value = "/base/v1/mini-program/open/t-region/getProvince")
    public R<List<XpRegion>> getProvince(@RequestBody getProvinceQuery query) {
        // 缓存数据
        List<Object> cacheList = redisService.getCacheList(CacheConstants.XP_REGION_CITY);
        List<XpRegion> list = Collections.emptyList();
        if (cacheList != null && !cacheList.isEmpty()) {
            try {
                list = cacheList.stream()
                        .filter(item -> item instanceof XpRegion)
                        .map(item -> (XpRegion) item)
                        .collect(Collectors.toList());
            } catch (ClassCastException e) {
                // 缓存数据结构异常，重新加载
                redisService.deleteObject(CacheConstants.XP_REGION);
            }
        }else {
            list = regionService.list(Wrappers.lambdaQuery(XpRegion.class).ne(XpRegion::getParentId, 0).orderByAsc(XpRegion::getInitial));
            redisService.setCacheList(CacheConstants.XP_REGION_CITY, list);
        }
        List<XpOpenCity> openCities = openCityService.list(new LambdaQueryWrapper<XpOpenCity>().eq(XpOpenCity::getStatus,1));
        for (XpRegion xpRegion : list) {
            for (XpOpenCity openCity : openCities) {
                if (xpRegion.getCityCode().equals(openCity.getCityCode())) {
                    xpRegion.setIsOpen(1);
                }
            }

        }

        if (query.getCityName() != null) {
            list = list.stream().filter(item -> item.getName().contains(query.getCityName())).collect(Collectors.toList());
        }
        if (query.getIsOpen() != null) {
            list = list.stream().filter(item -> item.getIsOpen().equals(query.getIsOpen())).collect(Collectors.toList());
        }

        return R.ok(list);
    }

    /**
     * 管理后台-省市区三级级联查询
     */
    @ApiOperation(value = "管理后台-省市区三级级联查询", tags = {"管理后台-省市区管理"})
    @GetMapping("/api/v1/region/cascader")
    public R<List<RegionCascaderVO>> getRegionCascader() {
        return R.ok(regionService.getRegionCascader());
    }
}