/*
	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
	Copyright (C) 2023 Spacebar and Spacebar Contributors
	
	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published
	by the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.
	
	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import { CLOSECODES } from "@spacebar/gateway";
import OPCodeHandlers from "../opcodes";
import { VoiceOPCodes, VoicePayload, WebRtcWebSocket } from "../util";

export async function onMessage(this: WebRtcWebSocket, buffer: Buffer) {
    try {
        const data: VoicePayload = JSON.parse(buffer.toString());
        if (data.op !== VoiceOPCodes.IDENTIFY && !this.user_id) return this.close(CLOSECODES.Not_authenticated);

        const OPCodeHandler = OPCodeHandlers[data.op];
        if (!OPCodeHandler) {
            console.error("[WebRTC] Unknown opcode " + VoiceOPCodes[data.op]);
            // TODO: if all opcodes are implemented comment this out:
            // this.close(CloseCodes.Unknown_opcode);
            return;
        }

        if (![VoiceOPCodes.HEARTBEAT, VoiceOPCodes.SPEAKING].includes(data.op as VoiceOPCodes)) {
            console.log("[WebRTC] Opcode " + VoiceOPCodes[data.op]);
        }

        return await OPCodeHandler.call(this, data);
    } catch (error) {
        console.error("[WebRTC] error", error);
        // if (!this.CLOSED && this.CLOSING) return this.close(CloseCodes.Unknown_error);
    }
}