import Context from 'android.content.Context';
import Intent from 'android.content.Intent';
import { PushChannelManager } from './PushChannelManager.uts';
import { PushMessage } from './PushMessage.uts';
import NotificationManager from 'android.app.NotificationManager';
import ComponentName from 'android.content.ComponentName';
import PendingIntent from 'android.app.PendingIntent';
import Build from 'android.os.Build';
import TextUtils from 'android.text.TextUtils';
import Notification from 'android.app.Notification';
import Bitmap from 'android.graphics.Bitmap';
import BitmapFactory from 'android.graphics.BitmapFactory';
import File from 'java.io.File';
import { OnPushMessageCallback, OnPushMessageType, OnPushMessageCallbackResult } from '../../interface.uts'

export const globalPushMessageCallbacks : OnPushMessageCallback[] = []

export function sendEvent(type : OnPushMessageType, pushMessage : PushMessage) : boolean {
	const data = pushMessage.getJsonObject()
	const result : OnPushMessageCallbackResult = {
		type: type,
		data: data
	}
	if (globalPushMessageCallbacks.length == 0) {
		return false
	} else {
		globalPushMessageCallbacks.forEach((cb : OnPushMessageCallback) => {
			cb(result)
		})
		return true
	}
}

export class PushManager {
	private static INSTANCE : PushManager | null = null

	private ACTION_TYPE_CREATE = "ACTION_TYPE_CREATE"
	private ACTION_TYPE_REMOVE = "ACTION_TYPE_REMOVE"
	private ACTION_TYPE_CLEAR = "ACTION_TYPE_CLEAR"
	private ACTION_TYPE_CLICK = "ACTION_TYPE_CLICK"

	private mAppMessages : Map<string, Array<PushMessage>> = new Map()
	private mNeedExecClickMessages : PushMessage[] = []
	private mNeedExecReceiveMessages : PushMessage[] = []

	static getInstance() : PushManager {
		if (this.INSTANCE == null) {
			this.INSTANCE = new PushManager()
		}
		return this.INSTANCE!!
	}





	createNotification(context : Context, message : PushMessage) {
		PushChannelManager.getInstance().createDefaultChannel(context)
		const intent = new Intent(this.ACTION_TYPE_CREATE)
		intent.putExtras(message.toBundle())
		this.processAction(context, intent)
	}

	addPushMessage(pAppid : string, pMsg : PushMessage) {
		let _arr = this.mAppMessages.get(pAppid);
		if (_arr == null) {
			_arr = new Array<PushMessage>();
			this.mAppMessages.set(pAppid, _arr);
		}
		_arr.push(pMsg);
	}


	addNeedExecClickMessage(pushMessage : PushMessage) {
		if (this.mNeedExecClickMessages.length > 0) {
			this.mNeedExecClickMessages = []
		}
		this.mNeedExecClickMessages.push(pushMessage)
	}

	addNeedExecReceiveMessage(pushMessage : PushMessage) {
		this.mNeedExecReceiveMessages.push(pushMessage)
	}

	removePushMessage(pAppid : String, pPushMsg : PushMessage) {
		const _arr = this.mAppMessages.get(pAppid);
		if (_arr != null && _arr.indexOf(pPushMsg) > 0) {
			_arr.splice(_arr.indexOf(pPushMsg), 1);
		}
	}

	/**
	 * 消费缓存的消息
	 */
	comsumeMessages(type : string, cb : (msgs : PushMessage[]) => void) {
		if (type == "click") {
			cb(this.mNeedExecClickMessages)
			this.mNeedExecClickMessages.splice(0)
		} else if (type == "receive") {
			cb(this.mNeedExecReceiveMessages)
			this.mNeedExecReceiveMessages.splice(0)
		}
	}


	processAction(context : Context, intent : Intent) {
		const notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
		const action = intent.getAction()
		switch (action) {
			case this.ACTION_TYPE_CREATE:
				{
					const title = intent.getStringExtra("title");
					const message = intent.getStringExtra("content");
					const nId = intent.getIntExtra("nId", 0);
					const when = intent.getLongExtra("when", 0);
					const appid = intent.getStringExtra("appid");
					const icon = intent.getStringExtra("icon");
					const sound = intent.getStringExtra("sound");
					const category = intent.getStringExtra("category");
					let channelId = intent.getStringExtra("channelId");
					const i = new Intent(this.ACTION_TYPE_CLICK);
					i.setComponent(new ComponentName(context.getPackageName(), "uts.sdk.modules.DCloudUniPush.PushActionService"));
					i.putExtras(intent.getExtras()!!);
					let flags = PendingIntent.FLAG_ONE_SHOT;
					if (Build.VERSION.SDK_INT >= 23) {
						flags = PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_IMMUTABLE;
					}
					const contentIntent = PendingIntent.getService(context, nId, i, flags);

					let builder : Notification.Builder | null = null;
					if (Build.VERSION.SDK_INT >= 26) {
						if (TextUtils.isEmpty(channelId)) {
							channelId = PushChannelManager.LOCAL_PUSH_CHANNEL_ID;
						}
						builder = new Notification.Builder(context, channelId);
					} else {
						builder = new Notification.Builder(context);
					}

					let bitmap : Bitmap | null = null;
					try {
						if (!TextUtils.isEmpty(icon) && this.fileIsExist(icon!!)) {
							bitmap = BitmapFactory.decodeFile(icon!!);
						}
					} catch (e : Exception) {
						e.printStackTrace();
					}
					if (bitmap != null) {
						builder.setLargeIcon(bitmap);
					}

					const id_small = context.getResources().getIdentifier("push_small", "drawable", context.getPackageName())
					if (id_small <= 0) {
						builder.setSmallIcon(context.getApplicationInfo().icon); //设置图标
					} else {
						builder.setSmallIcon(id_small); //设置图标
					}

					const id = context.getResources().getIdentifier("push", "drawable", context.getPackageName())
					if (bitmap == null) {
						let largeBitmap : Bitmap | null = null;
						if (id <= 0) {
							largeBitmap = BitmapFactory.decodeResource(context.getResources(), context.getApplicationInfo().icon);
						} else {
							largeBitmap = BitmapFactory.decodeResource(context.getResources(), id);
						}
						if (null != largeBitmap) {
							builder.setLargeIcon(largeBitmap);
						}
					}
					builder.setContentTitle(title); //设置标题
					builder.setContentText(message); //消息内容
					if (Build.VERSION.SDK_INT >= 24) {
						builder.setShowWhen(true);
					}
					builder.setWhen(when); //发送时间

					// 添加声音提示
					if ("system" == sound) {
						builder.setDefaults(Notification.DEFAULT_SOUND); //设置默认的提示音，振动方式，灯光
					}
					builder.setAutoCancel(true);//打开程序后图标消失
					builder.setContentIntent(contentIntent);
					builder.setCategory(category);
					const notification = builder.build();
					try {
						notificationManager.notify(nId, notification);
					} catch (e : Exception) {
						e.printStackTrace();
					}
				}

				break;
			case this.ACTION_TYPE_REMOVE:
				{
					const _id = intent.getIntExtra("id", 0);
					if (_id != null) {
						notificationManager.cancel(_id);
					}
				}
				break;
			case this.ACTION_TYPE_CLEAR:
				{
					notificationManager.cancelAll();
					const _appid = intent.getStringExtra("_appId");
					if (_appid != null) {
						const appMsg = PushManager.getInstance().mAppMessages;
						appMsg.delete(_appid);
					}
				}
				break;
			case this.ACTION_TYPE_CLICK:
				{
					this.clickHandle(intent, notificationManager);
					const packagename = context.getPackageName();// 启动类所在包名
					const pm = context.getPackageManager();
					const _intent = pm.getLaunchIntentForPackage(packagename);
					const appid = intent.getStringExtra("appid");
					_intent?.putExtra("appid", appid);
					const isStartWeb = intent?.getBooleanExtra("__start_first_web__", false) ?? false;
					if (isStartWeb) {
						_intent?.putExtra("__start_first_web__", isStartWeb);
						_intent?.putExtra("__first_web_url__", intent?.getStringExtra("__first_web_url__"));
					}
					_intent?.putExtra("__start_from__", 3);
					_intent?.putExtra("__payload__", intent?.getStringExtra("payload"));
					_intent?.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
					context.startActivity(_intent);
				}
				break;
		}

	}

	clickHandle(intent : Intent, _notificationManager : NotificationManager) {
		const _bundle = intent.getExtras()!!;
		const appid = _bundle.getString("appid");
		const uuid = _bundle.getString("uuid");
		if (_notificationManager != null) {//作为插件时，手助负责创建通知栏消息
			const _id = intent.getIntExtra("id", 0);
			_notificationManager.cancel(_id);
		}
		let _pushMessage : PushMessage | null = null
		if (appid != null && uuid != null) {
			_pushMessage = this.findPushMessage(appid!!, uuid!!);
		}
		if (_pushMessage != null) {
			let isStartWeb = false;
			if (!TextUtils.isEmpty(_pushMessage.mPayload)) {
				try {
					const payLoadJson = JSON.parseObject(_pushMessage.mPayload ?? "")
					const url = payLoadJson?.getString("__adurl")
					if (!TextUtils.isEmpty(url)) {
						intent.putExtra("__start_first_web__", true);
						intent.putExtra("__first_web_url__", url);
						isStartWeb = true;
					}
				} catch (e : Exception) {
					e.printStackTrace();
				}
			}

			if (!isStartWeb && !sendEvent("click", _pushMessage)) {
				this.addNeedExecClickMessage(_pushMessage);
			}
			// 点击后的消息，需要移除消息记录，避免getAllMessage时不正确
			if (appid != null) {
				this.removePushMessage(appid, _pushMessage);
			}
		} else {
			_pushMessage = new PushMessage(_bundle);
			if (!TextUtils.isEmpty(_pushMessage.mPayload)) {
				try {
					const payLoadJson = JSON.parseObject(_pushMessage.mPayload!!)
					const url = payLoadJson?.getString("__adurl")
					if (!TextUtils.isEmpty(url)) {
						intent.putExtra("__start_first_web__", true);
						intent.putExtra("__first_web_url__", url);
					}
				} catch (e : Exception) {
					e.printStackTrace();
				}
			}
			this.addNeedExecClickMessage(_pushMessage);
		}
		_bundle.clear();
	}



	findPushMessage(pAppid : String, pUuid : String) : PushMessage | null {
		let _ret : PushMessage | null = null;
		const _arr = this.mAppMessages.get(pAppid);
		if (_arr == null) {//若没有通过appid获取到消息集合，则通过uuid遍历所有消息
			this.mAppMessages.forEach((value : PushMessage[], key : string) => {
				if (value != null) {
					value.forEach((value : PushMessage) => {
						if (pUuid == value.getMessageUUID()) {
							_ret = value
						}
					})
				}
			})
		} else if (_arr != null) {
			_arr.forEach((value : PushMessage) => {
				if (pUuid == value.getMessageUUID()) {
					_ret = value
				}
			})
		}
		return _ret;
	}


	fileIsExist(path : string) : boolean {
		const realPath = UTSAndroid.convert2AbsFullPath(path)
		const file = new File(realPath)
		return file.exists()
	}
}