import {Client} from '../Client.js';
import {createNotification} from '../../utils/noticeUtils.js'
import { client, lastView } from '../../index.js';
import { Profile } from '../Profile.js';
import ProfilePageView from '../../views/ProfilePageView.js';

export default class Notice {

	/**
	 * @param  {Client} client
	 */
	constructor(client) {
		/**
		 * @type {Client}
		 */
		this.client = client;
		this.url = location.origin.replace('http', 'ws') + '/ws/notice';
	}

	start() {
		this._socket = new WebSocket(this.url);

		this._socket.onclose = _ => this._socket = undefined;
		this._socket.onmessage = message => {
			const data = JSON.parse(message.data);

			if (data.type === 'friend_request') {
				this.friend_request(data.author);
			} else if (data.type === 'new_friend') {
				this.new_friend(data.friend);
			} else if (data.type === 'friend_removed') {
				this.friend_removed(data.friend);
			} else if (data.type === 'friend_request_canceled') {
				this.friend_request_canceled(data.author);
			}
		};
	}

	stop() {
		if (this._socket) {
			this._socket.close();
			this._socket = undefined;
		}
	}

	friend_request(author) {
		client.me.incomingFriendRequests.push(new Profile(author.username, author.id, author.avatar));
		createNotification('Friend Request', `<strong>${author.username}</strong> sent you a friend request.`);
		if (lastView instanceof ProfilePageView && lastView.profile.id === author.id) {
			lastView.profile.hasIncomingRequest = true;
			lastView.loadFriendshipStatus();
		}
	}

	new_friend(friend) {
		client.me.friendList.push(new Profile(friend.username, friend.id, friend.avatar));
		createNotification('New Friend', `<strong>${friend.username}</strong> accepted your friend request.`);
		if (lastView instanceof ProfilePageView && lastView.profile.id === friend.id) {
			lastView.profile.isFriend = true;
			lastView.profile.hasIncomingRequest = false;
			lastView.profile.hasOutgoingRequest = false;
			lastView.loadFriendshipStatus();
		}
	}

	friend_removed(exFriend) {
		client.me.friendList = client.me.friendList.filter(friend => friend.id !== exFriend.id);
		if (lastView instanceof ProfilePageView && lastView.profile.id === exFriend.id) {
			lastView.profile.isFriend = false;
			lastView.loadFriendshipStatus();
		}
	}

	friend_request_canceled(author) {
		client.me.incomingFriendRequests = client.me.incomingFriendRequests.filter(user => user.id !== author.id);
		if (lastView instanceof ProfilePageView && lastView.profile.id === author.id) {
			lastView.profile.hasIncomingRequest = false;
			lastView.loadFriendshipStatus();
		}
	}
}