class Armagetron extends require('./core') {
	constructor() {
		super();
		this.encoding = 'latin1';
		this.byteorder = 'be';
	}

	run(state) {
        const b = Buffer.from([0,0x35,0,0,0,0,0,0x11]);

		this.udpSend(b,(buffer) => {
			const reader = this.reader(buffer);

			reader.skip(6);

			state.raw.port = this.readUInt(reader);
			state.raw.hostname = this.readString(reader);
			state.name = this.stripColorCodes(this.readString(reader));
			state.raw.numplayers = this.readUInt(reader);
			state.raw.versionmin = this.readUInt(reader);
			state.raw.versionmax = this.readUInt(reader);
			state.raw.version = this.readString(reader);
			state.maxplayers = this.readUInt(reader);

            const players = this.readString(reader);
            const list = players.split('\n');
			for(const name of list) {
				if(!name) continue;
				state.players.push({
					name: this.stripColorCodes(name)
				});
			}

			state.raw.options = this.stripColorCodes(this.readString(reader));
			state.raw.uri = this.readString(reader);
			state.raw.globalids = this.readString(reader);
            this.finish(state);
			return true;
		});
	}

	readUInt(reader) {
		const a = reader.uint(2);
        const b = reader.uint(2);
		return (b<<16) + a;
	}
	readString(reader) {
        const len = reader.uint(2);
		if(!len) return '';

		let out = '';
		for(let i = 0; i < len; i += 2) {
            const hi = reader.uint(1);
            const lo = reader.uint(1);
			if(i+1<len) out += String.fromCharCode(lo);
			if(i+2<len) out += String.fromCharCode(hi);
		}

		return out;
	}
	stripColorCodes(str) {
		return str.replace(/0x[0-9a-f]{6}/g,'');
	}
}

module.exports = Armagetron;