export default class ContentController{

	/* (1) Construct default attributes
	*
	---------------------------------------------------------*/

	constructor(){}

	/* (2) Channel bindings
	*
	---------------------------------------------------------*/
	get cid(){  return gs.get.channel.current; }

	get cbuf(){ return gs.get.channel._buffer; }


	/* (3) Room ID binding
	*
	---------------------------------------------------------*/
	get rid(){ return gs.get.room.text.current; }
	get rbuf(){ return gs.get.room._buffer.text; }

	get messages(){ return this.rbuf.messages; }
	get members(){  return this.rbuf.members;  }

	// current user data
	get uid(){  return gs.get.auth.user.uid;  }
	get ubuf(){  return gs.get.auth.user;  }


	/* (5) User getter
	*
	* @user_id<int>					User id
	*
	* @return user<array>			User data
	*
	---------------------------------------------------------*/
	user(user_id=null){

		/* (1) Error: if invalid user_id */
		if( isNaN(user_id) )
			return {};

		/* (2) Error: unknown user */
		if( this.cbuf.users == null || this.cbuf.users.length < 1 )
			return {};

		/* (3) return user data */
		for( let u of this.cbuf.users )
			if( u.uid === user_id )
				return u;

		/* (4) Error */
		return {};

	}


	/* (6) Change username
	*
	* @username<String>				New username
	---------------------------------------------------------*/
	change_username(username=null){

		/* (1) Error: if invalid user_id */
		if( typeof username !== 'string' )
			return false;

		/* (2) Error: unknown user */
		if( this.uid == null  )
			return false;

		/* (3) Call api UPDATE */
		api.call(`PUT /user/${this.uid}`, { username: username }, function(rs){

			gs.get.popup.hide();

			// manage error
			if( rs.error !== 0 )
				return;

			// update global username
			let tmp_user      = auth.user;
			tmp_user.username = username;
			auth.user         = tmp_user;

			// update username in channel
			for( let u in this.cbuf.users )
				if( this.cbuf.users[u].uid == this.uid )
					this.cbuf.users[u].username = username;

		}.bind(this), auth.token);

		/* (4) Error */
		return true;

	}


	/* (7) Change password
	*
	* @password<String>				New password
	*
	---------------------------------------------------------*/
	change_password(password=null){

		/* (1) Error: if invalid user_id */
		if( typeof password !== 'string' )
			return false;

		/* (2) Error: unknown user */
		if( this.uid == null  )
			return false;

		/* (3) Call api UPDATE */
		api.call(`PUT /user/${this.uid}`, { password: password }, () => gs.get.popup.hide(), auth.token);

		/* (4) Error */
		return true;

	}


	/* (8) Send message
	*
	---------------------------------------------------------*/
	send_message(_msg=null){

		/* (1) Manage invalid _msg */
		if( typeof _msg !== 'string' || _msg.length <= 0 )
			return true;

		/* (2) Send message */
		window.csock.send({ buffer: {
			rid: this.rid,
			mid: null,
			message: _msg
		}});

		return true;

	}


	/* (9) MAIN UPDATER
	*
	---------------------------------------------------------*/
	manage_update(_dat){

		for( let r in _dat.room ){

			if( _dat.room[r] === null )
				continue;


			// create new room
			for( let r2 in gs.get.room.text.list ){

				if( gs.get.room.text.list[r2].id === r )
					return console.log('CREATE ROOM');

				for( let m of _dat.room[r].messages )

					gs.get.room.text.list[r2].messages.push({
						uid: m.uid,
						mid: m.mid,
						msg: m.content,
						ts:  m.ts
					})

			}


		}

	}




}