package cn.flightfeather.thirdappmodule.util;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.support.v7.app.AlertDialog;
import android.widget.Toast;

import com.amap.api.maps.model.LatLng;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by note_ff_1602 on 2018/2/26.
 * 开始高德导航
 */

public class AmapNavi {
    private Context context;

    public AmapNavi(Context context) {
        this.context = context;
    }
    //开始导航功能，坐标为高德坐标
    public void startNavi(final double lat, final double lng){

        if (lat!=0&&lng!=0){
            if (isAvilible(context,"com.autonavi.minimap")){
                AlertDialog.Builder dialog = new AlertDialog.Builder(context);
                dialog.setTitle("要开始导航吗");
                dialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        LatLng latlng = new LatLng(lat,lng);
                        goToGaode(latlng.latitude,latlng.longitude);
                    }
                });
                dialog.setNegativeButton("取消",null);
                dialog.show();

            }else Toast.makeText(context, "请安装高德地图来启用导航功能", Toast.LENGTH_SHORT).show();


        }else {
            Toast.makeText(context, "无定位不能导航", Toast.LENGTH_SHORT).show();
        }
    }

    public static boolean isAvilible(Context context, String packageName){
        //获取packagemanager
        final PackageManager packageManager = context.getPackageManager();
        //获取所有已安装程序的包信息
        List<PackageInfo> packageInfos = packageManager.getInstalledPackages(0);
        //用于存储所有已安装程序的包名
        List<String> packageNames = new ArrayList<String>();
        //从pinfo中将包名字逐一取出，压入pName list中
        if(packageInfos != null){
            for(int i = 0; i < packageInfos.size(); i++){
                String packName = packageInfos.get(i).packageName;
                packageNames.add(packName);
            }
        }
        //判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE
        return packageNames.contains(packageName);
    }


    //高德
    private void goToGaode(double lat, double lon) {

        StringBuffer stringBuffer = new StringBuffer("androidamap://route?sourceApplication=").append("amap");

        stringBuffer.append("&dlat=").append(""+lat)
                .append("&dlon=").append(""+lon)
                .append("&dev=").append(0)
                .append("&t=").append(0);

        Intent intent = new Intent("android.intent.action.VIEW", android.net.Uri.parse(stringBuffer.toString()));
        intent.setPackage("com.autonavi.minimap");
        context.startActivity(intent);
    }
}