import { UnregisterRequestPermissionTipsListener, RegisterRequestPermissionTipsListener, RequestPermissionTipsListener, SetRequestPermissionTips } from "../interface";
import RelativeLayout from 'android.widget.RelativeLayout';
import LinearLayout from 'android.widget.LinearLayout';
import Color from 'android.graphics.Color';
import TextView from 'android.widget.TextView';
import ViewGroup from 'android.view.ViewGroup';
import Activity from 'android.app.Activity';
import HashMap from 'java.util.HashMap';
import AnimationUtils from 'android.view.animation.AnimationUtils';
import R from 'io.dcloud.uts.permissionrequest.R'
import Html from 'android.text.Html';
import View from 'android.view.View';
import Context from 'android.content.Context';
import WindowManager from 'android.view.WindowManager';

let PermissionTipsView : View | null = null
let permissionTips : HashMap<String, String> = new HashMap<String, String>()
var permissionListener : RequestPermissionListener | null = null
var listener : RequestPermissionTipsListener | null = null
export const unregisterRequestPermissionTipsListener : UnregisterRequestPermissionTipsListener = (_ : RequestPermissionTipsListener | null) => {
	listener = null;
	if (permissionListener != null) {
		permissionListener!.stop()
		permissionListener = null
	}
	if (PermissionTipsView != null) {
		if (PermissionTipsView!.getParent() != null) {
			PermissionTipsView!.setAnimation(null);
			((PermissionTipsView!.getParent()) as ViewGroup).removeView(PermissionTipsView)
		}
		PermissionTipsView = null
	}
}

export const registerRequestPermissionTipsListener : RegisterRequestPermissionTipsListener = (l : RequestPermissionTipsListener | null) => {
	listener = l
	if (permissionListener == null) {
		permissionListener = uni.createRequestPermissionListener()
		permissionListener!.onRequest((permissions : Array<string>) => {
			if (listener != null)
				listener!.onRequest?.invoke(permissions)
		})
		permissionListener!.onConfirm((permissions : Array<string>) => {
			let activity = UTSAndroid.getUniActivity()!
			if (PermissionTipsView != null && PermissionTipsView!.getParent() != null) {
				PermissionTipsView!.setAnimation(null);
				((PermissionTipsView!.getParent()) as ViewGroup).removeView(PermissionTipsView)
			}
			if (permissions.length > 0) {
				PermissionTipsView = createPermissionWindow(activity, permissions);
				if (PermissionTipsView != null) {
					(activity.findViewById(android.R.id.content) as ViewGroup).addView(PermissionTipsView!)
				}
			}
			if (listener != null)
				listener!.onConfirm?.invoke(permissions)

		})
		permissionListener!.onComplete((permissions : Array<string>) => {
			// clearTimeout(timeoutRequestId)
			let activity = UTSAndroid.getUniActivity()!
			if (PermissionTipsView != null) {
				PermissionTipsView!.setAnimation(AnimationUtils.loadAnimation(activity, R.anim.popupwindow_exit));
				((PermissionTipsView!.getParent()) as ViewGroup).removeView(PermissionTipsView!)
				PermissionTipsView = null
			}
			if (listener != null) {
				var permissionStatus = {}
				for (var p in permissions) {
					permissionStatus[p] = UTSAndroid.checkSystemPermissionGranted(UTSAndroid.getUniActivity()!, [p]) ? "grant" : "denied"
				}
				listener!.onComplete?.invoke(permissionStatus)
			}
		})
	}
}

export const setRequestPermissionTips : SetRequestPermissionTips = (tips : UTSJSONObject) => {
	permissionTips.clear()
	for (var k in tips) {
		permissionTips.put(k, tips[k] != null ? tips[k].toString() : "")
	}
}

function createPermissionWindow(activity : Activity, permissions : Array<string>) : ViewGroup | null {
	let rootView = new RelativeLayout(activity);
	rootView.setBackgroundColor(Color.TRANSPARENT);
	let backgroundView = new LinearLayout(activity);
	backgroundView.setPadding(30, 0, 30, 30);
	backgroundView.setOrientation(1)
	backgroundView.setBackgroundResource(R.drawable.dcloud_permission_background);
	let permissionTipsList : Array<string> = new Array<string>()
	for (var p in permissions) {
		if (permissionTips.containsKey(p) && permissionTipsList.indexOf(permissionTips.get(p)) == -1) {
			permissionTipsList.push(permissionTips.get(p)!)
		}
	}
	for (var p in permissionTipsList) {
		let text = new TextView(activity);
		text.setText(Html.fromHtml(p, Html.FROM_HTML_SEPARATOR_LINE_BREAK_HEADING))
		text.setPadding(0, 30, 0, 0)
		text.setTextSize((5 * getScale()).toFloat())
		text.setTextColor(Color.BLACK)
		backgroundView.addView(text)
	}
	if (backgroundView.getChildCount() == 0) {
		return null;
	}
	let rll = new RelativeLayout.LayoutParams(-1, -2)
	rll.topMargin = (UTSAndroid.getStatusBarHeight() * getScale()).toInt();
	rll.leftMargin = 30;
	rll.rightMargin = 30;
	rll.bottomMargin = 30;
	rootView.addView(backgroundView, rll)
	rootView.setAnimation(AnimationUtils.loadAnimation(activity, R.anim.popupwindow_enter));
	return rootView;
}

function getScale() : Float {
	if (UTSAndroid.getUniActivity() != null) {
		return UTSAndroid.getUniActivity()!.resources.displayMetrics.scaledDensity
	}
	return (0 as number).toFloat();
}