/*
 * Copyright (C) 2026 Fluxer Contributors
 *
 * This file is part of Fluxer.
 *
 * Fluxer 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.
 *
 * Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
 */

import type {ChannelID, GuildID, UserID} from '@fluxer/api/src/BrandedTypes';
import type {VoiceRegionMetadata, VoiceServerRecord} from '@fluxer/api/src/voice/VoiceModel';

interface CreateTokenParams {
	userId: UserID;
	guildId?: GuildID;
	channelId: ChannelID;
	connectionId: string;
	tokenNonce: string;
	regionId: string;
	serverId: string;
	mute?: boolean;
	deaf?: boolean;
	canSpeak?: boolean;
	canStream?: boolean;
	canVideo?: boolean;
}

interface UpdateParticipantParams {
	userId: UserID;
	guildId?: GuildID;
	channelId: ChannelID;
	connectionId: string;
	regionId: string;
	serverId: string;
	mute?: boolean;
	deaf?: boolean;
}

interface UpdateParticipantPermissionsParams {
	userId: UserID;
	guildId?: GuildID;
	channelId: ChannelID;
	connectionId: string;
	regionId: string;
	serverId: string;
	canSpeak: boolean;
	canStream: boolean;
	canVideo: boolean;
}

interface DisconnectParticipantParams {
	userId: UserID;
	guildId?: GuildID;
	channelId: ChannelID;
	connectionId: string;
	regionId: string;
	serverId: string;
}

interface ListParticipantsParams {
	guildId?: GuildID;
	channelId: ChannelID;
	regionId: string;
	serverId: string;
}

export interface ListParticipantsSuccess {
	status: 'ok';
	participants: Array<{identity: string}>;
}

export interface ListParticipantsError {
	status: 'error';
	errorCode: string;
	retryable: boolean;
}

export type ListParticipantsResult = ListParticipantsSuccess | ListParticipantsError;

export abstract class ILiveKitService {
	abstract createToken(params: CreateTokenParams): Promise<{token: string; endpoint: string}>;
	abstract updateParticipant(params: UpdateParticipantParams): Promise<void>;
	abstract updateParticipantPermissions(params: UpdateParticipantPermissionsParams): Promise<void>;
	abstract disconnectParticipant(params: DisconnectParticipantParams): Promise<void>;
	abstract listParticipants(params: ListParticipantsParams): Promise<ListParticipantsResult>;
	abstract getDefaultRegionId(): string | null;
	abstract getRegionMetadata(): Array<VoiceRegionMetadata>;
	abstract getServer(regionId: string, serverId: string): VoiceServerRecord | null;
}