package com.yssh.service;

import com.yssh.entity.Location;
import com.yssh.mapper.LocationMapper;
import com.yssh.utils.CalculateUtils;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;

@Service
public class LocationService {
    @Resource
    private LocationMapper mapper;

    private static List<Location> vocAddrs = null;

    public List<Location> query(String name, String type) {
        return mapper.query(name, type);
    }

    public List<Location> getAll() {
        return mapper.getAll();
    }

    public int insertLocation(Location location) {
        return mapper.insertLocation(location);
    }

    public int deleteLocation(String id) {
        return mapper.deleteLocation(id);
    }

    public List<Location> selectVocAddrs(double x, double y) {
        if (null == vocAddrs) {
            vocAddrs = mapper.selectVocAddrs();

            for (Location loc : vocAddrs) {
                double X = CalculateUtils.getLon((int) loc.getLon(), (int) loc.getLat());
                double Y = CalculateUtils.getLat((int) loc.getLon(), (int) loc.getLat());
                loc.setLon(X);
                loc.setLat(Y);
            }
        }

        List<Location> list = new ArrayList<>();
        // 1米=0.0000089932
        for (Location loc : vocAddrs) {
            if (Math.abs(loc.getLon() - x) <= 0.0009 && Math.abs(loc.getLat() - y) <= 0.0009) {
                list.add(loc);
            }
        }

        return list;
    }
}