package com.cm.population.utils;

import com.cm.common.plugin.pojo.dtos.dataarea.DataAreaDTO;
import com.cm.population.pojo.dtos.areatree.AreaZtreeDTO;
import com.cm.population.service.populationinfo.IPopulationInfoService;
import com.cm.population.service.populationinfo.impl.PopulationInfoServiceImpl;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;

@Component
public class AreaUtils {

    @Autowired
    private IPopulationInfoService PopulationInfoService;
    private static IPopulationInfoService PopulationInfoStaticService;
    private static final Map<Integer, Map<String, AreaZtreeDTO>> aree = new ConcurrentSkipListMap<Integer, Map<String, AreaZtreeDTO>>();
    private static final Map<String, AreaZtreeDTO> area0 = new ConcurrentSkipListMap<String, AreaZtreeDTO>();//省
    private static final Map<String, AreaZtreeDTO> area1 = new ConcurrentSkipListMap<String, AreaZtreeDTO>();//市
    private static final Map<String, AreaZtreeDTO> area2 = new ConcurrentSkipListMap<String, AreaZtreeDTO>();//线
    private static final Map<String, AreaZtreeDTO> area3 = new ConcurrentSkipListMap<String, AreaZtreeDTO>();//街道
    private static final Map<String, AreaZtreeDTO> area4 = new ConcurrentSkipListMap<String, AreaZtreeDTO>();//社区

    @PostConstruct
    public void init() {
        PopulationInfoStaticService = PopulationInfoService;
        initArea0();
        initArea1();
        initArea2();
        initArea3();
        initArea4();
        aree.put(0, area0);
        aree.put(1, area1);
        aree.put(2, area2);
        aree.put(3, area3);
        aree.put(4, area4);
    }

    public List<AreaZtreeDTO> getList(String id) {
        id = "0".equals(id) ? "" : id;
        List<AreaZtreeDTO> list = new ArrayList<AreaZtreeDTO>();
        Integer level = -1;
        Integer subCount = 0;
        // 确定级别
        if (!StringUtils.isEmpty(id) ) {
            AreaZtreeDTO areaDTO = PopulationInfoStaticService.getAreaByAreaId(id);
            level = Integer.valueOf(areaDTO.getAreaLevel());
            subCount = areaDTO.getSubCount();
        }
        Map<String, AreaZtreeDTO> dataMap = aree.get(level + 1);
        if (dataMap != null) {
            // 找出所有的子类
            for(Map.Entry<String, AreaZtreeDTO> m : dataMap.entrySet()) {
                AreaZtreeDTO ztreeDTO = m.getValue();
                String pId = ztreeDTO.getpId();
                String title = ztreeDTO.getTitle();
                if(!StringUtils.isEmpty(id) && pId.equals(id)) {
                    if (StringUtils.isEmpty(title)) {
                        ArrayList<String> names = new ArrayList<>();
                        getParent(level, names, id);
                        String newName = StringUtils.join(names, "/") + "/" + ztreeDTO.getName();
                        ztreeDTO.setTitle(newName);
                    }
                    list.add(ztreeDTO);
                    if (list.size() == subCount) {
                        break;
                    }
                }
                if(StringUtils.isEmpty(id)) {
                    ztreeDTO.setTitle(ztreeDTO.getName());
                    list.add(ztreeDTO);
                }

            }
        }
        return  list;
    }

    // 递归拼接全名称
    public void getParent(Integer level, ArrayList<String> names, String pId) {
        Map<String, AreaZtreeDTO> dataMap = aree.get(level);
        if (level > -1 && dataMap != null) {
            level--;
            for(Map.Entry<String, AreaZtreeDTO> m : dataMap.entrySet()) {
                String id = m.getValue().getId();
                if(pId.equals(id)) {
                    names.add(0, m.getValue().getName());
                    getParent(level, names,  m.getValue().getpId());
                    break;
                }
            }

        }
    }

    private static void initArea0() {
        List<AreaZtreeDTO> dto = PopulationInfoStaticService.getAreaListByLevel("0", -1);
        for(AreaZtreeDTO areaDTO : dto) {
            if (areaDTO.getSubCount() > 0 ) {
                areaDTO.setIsParent(true);
            }
            area0.put(areaDTO.getId(), areaDTO);
        }
    }

    private static void initArea1() {
        List<AreaZtreeDTO> dto = PopulationInfoStaticService.getAreaListByLevel("1", -1);
        for(AreaZtreeDTO areaDTO : dto) {
            if (areaDTO.getSubCount() > 0 ) {
                areaDTO.setIsParent(true);
            }
            area1.put(areaDTO.getId(), areaDTO);
        }
    }

    private static void initArea2() {
        List<AreaZtreeDTO> dto = PopulationInfoStaticService.getAreaListByLevel("2", -1);
        for(AreaZtreeDTO areaDTO : dto) {
            if (areaDTO.getSubCount() > 0 ) {
                areaDTO.setIsParent(true);
            }
            area2.put(areaDTO.getId(), areaDTO);
        }
    }

    private static void initArea3() {
        for(int i = 0 ; i < 9 ; i++ ) {
            List<AreaZtreeDTO> dto = PopulationInfoStaticService.getAreaListByLevel("3", i);
            for(AreaZtreeDTO areaDTO : dto) {
                if (areaDTO.getSubCount() > 0 ) {
                    areaDTO.setIsParent(true);
                }
                area3.put(areaDTO.getId(), areaDTO);
            }
        }
    }

    private static void initArea4() {
        for(int i = 0 ; i < 67 ; i++ ) {
            List<AreaZtreeDTO> dto = PopulationInfoStaticService.getAreaListByLevel("4", i);
            for(AreaZtreeDTO areaDTO : dto) {
                if (areaDTO.getSubCount() > 0 ) {
                    areaDTO.setIsParent(true);
                }
                area4.put(areaDTO.getId(), areaDTO);
            }
        }
    }

}