import { GetSystemInfoOptions, GetSystemInfo, GetSystemInfoResult, SafeArea, SafeAreaInsets, GetSystemInfoSync, GetWindowInfo, GetWindowInfoResult } from "../interface.uts";
import UTSAndroid from 'io.dcloud.uts.UTSAndroid';
import PackageManager from 'android.content.pm.PackageManager';
import Build from 'android.os.Build';
import { DeviceUtil } from './device/SystemInfoDeviceUtil.uts'
import CountDownLatch from 'java.util.concurrent.CountDownLatch';
import Looper from 'android.os.Looper';
import Handler from 'android.os.Handler';

export const getSystemInfo : GetSystemInfo = function (options : GetSystemInfoOptions) {
	const result = getSystemInfoSync();
	const success = options.success;
	const complete = options.complete;
	success?.(result);
	complete?.(result);
}


export const getSystemInfoSync : GetSystemInfoSync = function () : GetSystemInfoResult {
	const runnable = function(): GetSystemInfoResult | null{
		try {
			const activity = UTSAndroid.getUniActivity()!!;
		
			const appId = UTSAndroid.getAppId();
			const appLanguage = DeviceUtil.getOsLanguageNormal(activity);
			const appName = UTSAndroid.getAppName();
			const appVersion = UTSAndroid.getAppVersion()["name"].toString();
			const appVersionCode = UTSAndroid.getAppVersion()["code"].toString();
			const appWgtVersion = !UTSAndroid.isUniAppX()? UTSAndroid.getAppVersion()["name"].toString() : null;
			const brand = Build.MANUFACTURER.toLowerCase();
			const browserName = UTSAndroid.getWebViewInfo(activity)["kernel"].toString();
			const browserVersion = UTSAndroid.getWebViewInfo(activity)["version"].toString();
			const deviceId = UTSAndroid.getDeviceID(activity);
			const deviceModel = Build.MODEL;
			const deviceType = DeviceUtil.getSystemUIModeType(activity);
			const devicePixelRatio = DeviceUtil.getScaledDensity(activity);
			const deviceOrientation = DeviceUtil.getOrientation(activity);
			const language = UTSAndroid.getLanguageInfo(activity)["osLanguage"].toString();
			const osName = "android";
			const osVersion = Build.VERSION.RELEASE;
			const osLanguage = UTSAndroid.getLanguageInfo(activity)["osLanguage"].toString();
			const osTheme = UTSAndroid.getOsTheme();
			const pixelRatio = DeviceUtil.getScaledDensity(activity)
			const screenWidth = DeviceUtil.getScreenWidth();
			const screenHeight = DeviceUtil.getScreenHeight();
			const statusBarHeight = DeviceUtil.getStatusBarHeight();
			const system = "Android " + Build.VERSION.RELEASE;
			const ua = UTSAndroid.getWebViewInfo(activity)["ua"].toString();
			const uniCompileVersion = UTSAndroid.getUniCompileVersion();
			const uniPlatform = "app";
			const uniRuntimeVersion = UTSAndroid.getUniRuntimeVersion();
			const uniCompileVersionCode = convertVersionCode(uniCompileVersion);
			const uniRuntimeVersionCode = convertVersionCode(uniRuntimeVersion);
			const version = UTSAndroid.getInnerVersion();
			const romName = DeviceUtil.getRomName();
			const romVersion = DeviceUtil.getRomVersion();
			const windowWidth = screenWidth;
			const windowHeight = UTSAndroid.getWindowHeight();
			const windowTop = 0;
			const windowBottom = 0;
			const safeAreaInsetsTop = UTSAndroid.getSafeAreaInsets()["top"].toString().toInt();
			const safeAreaInsets : SafeAreaInsets = {
				left: 0,
				top: safeAreaInsetsTop,
				right: 0,
				bottom: 0
			}
			
			const safeArea : SafeArea = {
				left: safeAreaInsets.left,
				right: windowWidth - safeAreaInsets.right,
				top: safeAreaInsets.top,
				bottom: windowHeight - safeAreaInsets.bottom,
				width: windowWidth - safeAreaInsets.left - safeAreaInsets.right,
				height: windowHeight - safeAreaInsets.top - safeAreaInsets.bottom
			}
			const osAndroidAPILevel = Build.VERSION.SDK_INT;
			const oaid = UTSAndroid.getOAID();
		
			const result = {
				SDKVersion: "",
				appId: appId,
				appLanguage: appLanguage,
				appName: appName,
				appVersion: appVersion,
				appVersionCode: appVersionCode,
				appWgtVersion: appWgtVersion,
				brand: brand,
				browserName: browserName,
				browserVersion: browserVersion,
				deviceId: deviceId,
				deviceBrand: brand,
				deviceModel: deviceModel,
				deviceType: deviceType,
				devicePixelRatio: devicePixelRatio,
				deviceOrientation: deviceOrientation,
				language: language,
				model: deviceModel,
				osName: osName,
				osVersion: osVersion,
				osLanguage: osLanguage,
				osTheme: osTheme,
				pixelRatio: pixelRatio,
				platform: osName,
				screenWidth: screenWidth,
				screenHeight: screenHeight,
				statusBarHeight: statusBarHeight,
				system: system,
				ua: ua,
				uniCompileVersion: uniCompileVersion,
				uniPlatform: uniPlatform,
				uniRuntimeVersion: uniRuntimeVersion,
				uniCompileVersionCode: uniCompileVersionCode,
				uniRuntimeVersionCode: uniRuntimeVersionCode,
				version: version,
				romName: romName,
				romVersion: romVersion,
				windowWidth: windowWidth,
				windowHeight: windowHeight,
				windowTop: windowTop,
				windowBottom: windowBottom,
				safeAreaInsets: safeAreaInsets,
				safeArea: safeArea,
				oaid: oaid,
				osAndroidAPILevel: osAndroidAPILevel,
			} as GetSystemInfoResult;
			return result;
		} catch (e : Exception) {
			return null;
		}
	}
	
	let result : GetSystemInfoResult | null = null;
	if(Looper.myLooper() == Looper.getMainLooper()){
		result = runnable();
	}else{
		const latch = new CountDownLatch(1);
		new RunnableTask(Looper.getMainLooper(), () => {
			result = runnable();
			latch.countDown();
		}).execute();
		latch.await();
	}

	return result!!;
};


export const getWindowInfo: GetWindowInfo = function(): GetWindowInfoResult {
	const activity = UTSAndroid.getUniActivity()!!;
	const pixelRatio = DeviceUtil.getScaledDensity(activity)
	const screenWidth = DeviceUtil.getScreenWidth();
	const screenHeight = DeviceUtil.getScreenHeight();
	const statusBarHeight = DeviceUtil.getStatusBarHeight();
	const windowWidth = screenWidth;
	const windowHeight = UTSAndroid.getWindowHeight();
	const windowTop = 0;
	const windowBottom = 0;
	const safeAreaInsetsTop = UTSAndroid.getSafeAreaInsets()["top"] as Int;
	const safeAreaInsets : SafeAreaInsets = {
		left: 0,
		top: safeAreaInsetsTop,
		right: 0,
		bottom: 0
	}
	const safeArea : SafeArea = {
		left: safeAreaInsets.left,
		right: windowWidth - safeAreaInsets.right,
		top: safeAreaInsets.top,
		bottom: windowHeight - safeAreaInsets.bottom,
		width: windowWidth - safeAreaInsets.left - safeAreaInsets.right,
		height: windowHeight - safeAreaInsets.top - safeAreaInsets.bottom
	}
	const screenTop = windowTop;
	
    let result = {
		pixelRatio: pixelRatio,
		screenWidth: screenWidth,
		screenHeight: screenHeight,
		windowWidth: windowWidth,
		windowHeight: windowHeight,
		statusBarHeight: statusBarHeight,
		windowTop: windowTop,
		windowBottom: windowBottom,
		safeArea: safeArea,
		safeAreaInsets: safeAreaInsets,
		screenTop: screenTop
	} as GetWindowInfoResult;
	return result;
};

const convertVersionCode = function(version: string): number {
	let str = "";
	let radixLength = 2;
	let findDot = false;
	const dotChar = ".".get(0);
	for (let i = 0; i < version.length; i++) {
		const char = version.get(i);
		if(findDot){
			if(char.isDigit()){
				str += char;
			}
			radixLength --;
			if(radixLength == 0){
				break;
			}
		}else{
			if(char.isDigit()){
				str += char;
			}else{
				if(char == dotChar){
					findDot = true;
					str += char;
				}
			}
		}
	}
	
	return parseFloat(str);
}

const getHostVersion = function () : string {
	const context = UTSAndroid.getAppContext()!!;
	let packageManager = context.getPackageManager();
	let applicationInfo = packageManager.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
	return applicationInfo.versionName;
}

class RunnableTask extends Runnable {
	private callback : () => void | null;
	private looper : Looper | null = null;
	constructor(looper : Looper | null, callback : () => void) {
		super();
		this.looper = looper;
		this.callback = callback
	}

	override run() {
		this.callback?.()
	}

	public execute() {
		if (this.looper == null) {
			this.run();
		} else {
			new Handler(this.looper!!).post(this);
		}
	}
}