package com.zy.common.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;

import java.io.*;
import java.util.ArrayList;

/**
 * A*算法地图获取类
 */
public class NavigateMapData {

    public int[][] getData() {
        return getData("in");
    }

    public int[][] getData(String mapType) {
        try {
            String mapFilename = "";
            if (mapType.equals("in")) {
                mapFilename = "mapIn.json";
            }else {
                mapFilename = "mapOut.json";
            }

            String fileName = this.getClass().getClassLoader().getResource(mapFilename).getPath();//获取文件路径
            File file = new File(fileName);
            StringBuffer stringBuffer = new StringBuffer();
            if (file.isFile() && file.exists()) {
                InputStreamReader isr = new InputStreamReader(new FileInputStream(file), "GBK");
                BufferedReader br = new BufferedReader(isr);
                String lineTxt = null;
                while ((lineTxt = br.readLine()) != null) {
                    stringBuffer.append(lineTxt);
                }
                br.close();

                //解析json地图数据
                ArrayList arrayList = JSON.parseObject(stringBuffer.toString(), ArrayList.class);
                int[][] map = new int[arrayList.size()][];
                int j = 0;
                for (Object obj : arrayList) {
                    ArrayList list = JSON.parseObject(obj.toString(), ArrayList.class);
                    int[] tmp = new int[list.size()];
                    int i = 0;
                    for (Object o : list) {
                        JSONObject jsonObject = JSON.parseObject(o.toString());
                        //将数据添加进二维数组
                        tmp[i++] = Integer.parseInt(jsonObject.get("value").toString());
                    }
                    //数据添加进一维数组
                    map[j++] = tmp;
                }

                return map;
            } else {
                System.out.println("文件不存在!");
            }
        } catch (IOException ioException) {
            ioException.printStackTrace();
        }
        return null;
    }

}