import {
    UTSAndroid
} from "io.dcloud.uts";

import ActivityCompat from "androidx.core.app.ActivityCompat";
import Manifest from "android.Manifest";
import Looper from "android.os.Looper";
import TencentLocationManager from "com.tencent.map.geolocation.TencentLocationManager";
import TencentLocationListener from "com.tencent.map.geolocation.TencentLocationListener";
import TencentLocation from "com.tencent.map.geolocation.TencentLocation";
import TencentLocationRequest from "com.tencent.map.geolocation.TencentLocationRequest";
import PackageManager from "android.content.pm.PackageManager";


export function requestPremission() {
	
	/**
	 * 同意隐私协议。重要！！
	 * 说明文档：https://lbs.qq.com/mobile/androidLocationSDK/androidGeoGuide/agreePrivacy
	 */
	TencentLocationManager.setUserAgreePrivacy(true);
	
	// 注册一个请求回调
	UTSAndroid.onAppActivityRequestPermissionsResult((requestCode: number,
                                                     permissions: MutableList<string>,
                                                     grantResults: MutableList<number>) => {
		/**
		 * 0 已同意
		 * -1 已拒绝
		 */
		console.log(grantResults);
		console.log(permissions);
		console.log(requestCode);
	});
	
	// 发起权限申请
	ActivityCompat.requestPermissions(
	            UTSAndroid.getUniActivity()!,
	            arrayOf(Manifest.permission.ACCESS_COARSE_LOCATION,Manifest.permission.ACCESS_FINE_LOCATION), 1001);
	
  // 请求权限
  return { name: "requestPremission"};
}


/**
 * 定位请求参数封装
 */
type LocationOptions = {
	geocode:boolean,
	success: (response:LocationResponse) => void;
};

/**
 * 定位返回结果封装
 */
type LocationResponse = {
	name?:string,
	address?:string,
	latitude?:number,
	longitude?:number
}


/**
 * 定位监听结果包装类
 */
class LocationOptionsWapper{
	
	hostOption:LocationOptions;
	
	constructor(option: LocationOptions){
		this.hostOption = option
	}
	
	onLocationChanged(location:TencentLocation , _error:Int ,
								  _reason:string){
		
		let response = {
			name:location.name,
			address:location.address,
			latitude:location.latitude,
			longitude:location.longitude
		};
		this.hostOption.success(response);
	}
	
	
	onStatusUpdate(_name:string, _status:Int, _desc:string){
		// 定位状态发生变化
	}
};


/**
 * Tencent 定位监听实现类
 */
class SingleLocationListener extends TencentLocationListener {
    
	
	hostOptionWraper:LocationOptionsWapper;
	
	constructor(option: LocationOptionsWapper){
		super();
		this.hostOptionWraper = option
	}
	
	override onLocationChanged(location:TencentLocation , error:Int ,
								  reason:string ):void{
									  console.log(error);
									  console.log(reason);
		console.log(error);
		this.hostOptionWraper.onLocationChanged(location,error,reason);
	}

	override onStatusUpdate(name:string, status:Int, desc:string ):void{
		console.log(name);
		this.hostOptionWraper.onStatusUpdate(name,status,desc);
	}
	
}

/**
 * 检查定位的相关配置是否正确
 */
function checkLocationConfig():boolean{
	
	let packageName = UTSAndroid.getAppContext()!.getPackageName();
	let appInfo = UTSAndroid.getAppContext()!.getPackageManager()!.getApplicationInfo(packageName,PackageManager.GET_META_DATA)
	
	let metaData = appInfo.metaData
	if (metaData == null) {
		 return false;
	}
	let adId = metaData.getString("TencentMapSDK")
	let splitArray = adId!.split("-")
	let keyCharNum = splitArray.size
	
	if(keyCharNum > 5){
		// 存在超过5个-，说明是符合规则的appkey
		return true;
	}
	// 不符合校验规则，打回
	return false;
}

/**
 * 腾讯地图获取定位信息
 * 参考文档:https://lbs.qq.com/mobile/androidLocationSDK/androidGeoGuide/androidGeoAdapt
 */
export function getLocation(locationOptions: LocationOptions):boolean {
	
   if(!checkLocationConfig()){
	   /**
		* 未通过配置预校验，通常是app key 配置错误
		*/
		return false
   }
  
  let mLocationManager = TencentLocationManager.getInstance(UTSAndroid.getAppContext());
  // 定位监听器封装
  let locationOptionWrapper = new LocationOptionsWapper(locationOptions);
  let mLocationListener = new SingleLocationListener(locationOptionWrapper);
  // 发起单次请求
  let locationRequest = TencentLocationRequest.create()
  // 是否需要逆地理编码
  if(locationOptions.geocode){
	  locationRequest.setRequestLevel(TencentLocationRequest.REQUEST_LEVEL_ADMIN_AREA);
  }else{
	  locationRequest.setRequestLevel(TencentLocationRequest.REQUEST_LEVEL_GEO);
  }
  
  console.log("requestSingleFreshLocation");
  
  mLocationManager.requestSingleFreshLocation(locationRequest, mLocationListener, Looper.getMainLooper());
  
  return true;
}

/**
 * 持续监听位置变化
 */
@Suppress("unuse")
export function watchPosition(_locationOptions: LocationOptions) {
	//todo
}

/**
 * 关闭监听位置变化
 */
export function clearWatch() {
	//todo
}