// SPDX-License-Identifier: AGPL-3.0-or-later

import type {ChannelID, UserID} from '@app/api/BrandedTypes';
import {createUserID} from '@app/api/BrandedTypes';
import type {ChannelRepository} from '@app/api/channel/ChannelRepository';
import {ChannelAuthService} from '@app/api/channel/services/channel_data/ChannelAuthService';
import type {
	ChannelTypeConversion,
	ChannelUpdateData,
} from '@app/api/channel/services/channel_data/ChannelOperationsService';
import {ChannelOperationsService} from '@app/api/channel/services/channel_data/ChannelOperationsService';
import {ChannelUtilsService} from '@app/api/channel/services/channel_data/ChannelUtilsService';
import {GroupDmUpdateService} from '@app/api/channel/services/channel_data/GroupDmUpdateService';
import type {MessagePersistenceService} from '@app/api/channel/services/message/MessagePersistenceService';
import {ThreadModifyService} from '@app/api/channel/services/thread/ThreadModifyService';
import {pickThreadParentSettings} from '@app/api/channel/services/thread/ThreadParentSettings';
import type {ThreadViewer} from '@app/api/experiment/ChannelThreadsGate';
import type {GuildAuditLogService} from '@app/api/guild/GuildAuditLogService';
import type {GuildRepository} from '@app/api/guild/repositories/GuildRepository';
import type {AvatarService} from '@app/api/infrastructure/AvatarService';
import type {IPurgeQueue} from '@app/api/infrastructure/CachePurgeQueue';
import type {IGatewayService} from '@app/api/infrastructure/IGatewayService';
import type {ILiveKitService} from '@app/api/infrastructure/ILiveKitService';
import type {ISnowflakeService} from '@app/api/infrastructure/ISnowflakeService';
import type {IStorageService} from '@app/api/infrastructure/IStorageService';
import type {IVoiceRoomStore} from '@app/api/infrastructure/IVoiceRoomStore';
import type {UserCacheService} from '@app/api/infrastructure/UserCacheService';
import type {InviteRepository} from '@app/api/invite/InviteRepository';
import type {LimitConfigService} from '@app/api/limits/LimitConfigService';
import type {RequestCache} from '@app/api/middleware/RequestCacheMiddleware';
import type {Channel} from '@app/api/models/Channel';
import type {UserRepository} from '@app/api/user/repositories/UserRepository';
import type {VoiceAvailabilityService} from '@app/api/voice/VoiceAvailabilityService';
import type {WebhookRepository} from '@app/api/webhook/WebhookRepository';
import {ChannelTypes} from '@fluxer/constants/src/ChannelConstants';
import type {
	ChannelUpdateGatedRequest,
	ChannelUpdateNonThreadRequest,
	ChannelUpdateThreadRequest,
} from '@fluxer/schema/src/domains/channel/ChannelRequestSchemas';
import type {ICacheService} from '@pkgs/cache/src/ICacheService';
import type {IRateLimitService} from '@pkgs/rate_limit/src/IRateLimitService';

type GuildChannelUpdateRequest = Exclude<
	ChannelUpdateNonThreadRequest,
	{
		type: typeof ChannelTypes.GROUP_DM;
	}
>;
type GuildChannelUpdatePayload = Omit<GuildChannelUpdateRequest, 'type'>;

export class ChannelDataService {
	public readonly auth: ChannelAuthService;
	public readonly operations: ChannelOperationsService;
	public readonly groupDmUpdate: GroupDmUpdateService;
	public readonly utils: ChannelUtilsService;
	public readonly threadModify: ThreadModifyService;

	constructor(
		channelRepository: ChannelRepository,
		userRepository: UserRepository,
		guildRepository: GuildRepository,
		userCacheService: UserCacheService,
		storageService: IStorageService,
		gatewayService: IGatewayService,
		avatarService: AvatarService,
		snowflakeService: ISnowflakeService,
		purgeQueue: IPurgeQueue,
		voiceRoomStore: IVoiceRoomStore,
		liveKitService: ILiveKitService,
		voiceAvailabilityService: VoiceAvailabilityService | null,
		messagePersistenceService: MessagePersistenceService,
		guildAuditLogService: GuildAuditLogService,
		inviteRepository: InviteRepository,
		webhookRepository: WebhookRepository,
		limitConfigService: LimitConfigService,
		rateLimitService: IRateLimitService,
		cacheService: ICacheService,
	) {
		this.utils = new ChannelUtilsService(
			channelRepository,
			userCacheService,
			storageService,
			gatewayService,
			purgeQueue,
		);
		this.auth = new ChannelAuthService(channelRepository, userRepository, guildRepository, gatewayService);
		this.operations = new ChannelOperationsService(
			channelRepository,
			userRepository,
			gatewayService,
			this.auth,
			this.utils,
			voiceRoomStore,
			liveKitService,
			voiceAvailabilityService,
			guildAuditLogService,
			inviteRepository,
			webhookRepository,
			guildRepository,
			limitConfigService,
			rateLimitService,
			cacheService,
			snowflakeService,
		);
		this.threadModify = new ThreadModifyService({
			channelRepository,
			gatewayService,
			guildAuditLogService,
			rateLimitService,
			cacheService,
			snowflakeService,
			messagePersistence: messagePersistenceService,
			utils: this.utils,
		});
		this.groupDmUpdate = new GroupDmUpdateService(
			channelRepository,
			userRepository,
			avatarService,
			snowflakeService,
			this.utils,
			messagePersistenceService,
		);
	}

	async deleteThread({
		userId,
		viewer,
		channelId,
		requestCache,
		auditLogReason,
	}: {
		userId: UserID;
		viewer: ThreadViewer;
		channelId: ChannelID;
		requestCache: RequestCache;
		auditLogReason: string | null;
	}): Promise<void> {
		const authChannel = await this.auth.getChannelAuthenticated({userId, channelId, viewer, skipNsfwValidation: true});
		await this.threadModify.deleteThread({authChannel, userId, requestCache, auditLogReason});
	}

	async editChannel({
		userId,
		viewer,
		channelId,
		data,
		clientFeatures,
		requestCache,
		auditLogReason,
		typeConversion,
		countryCode,
	}: {
		userId: UserID;
		viewer: ThreadViewer;
		channelId: ChannelID;
		data: Omit<ChannelUpdateGatedRequest, 'type'>;
		clientFeatures: ReadonlySet<string>;
		requestCache: RequestCache;
		auditLogReason: string | null;
		typeConversion?: ChannelTypeConversion | null;
		countryCode?: string | null;
	}): Promise<Channel> {
		const authChannel = await this.auth.getChannelAuthenticated({userId, channelId, viewer, skipNsfwValidation: true});
		const {channel} = authChannel;
		if (authChannel.thread) {
			return this.threadModify.updateThread({
				authChannel,
				userId,
				data: data as Omit<ChannelUpdateThreadRequest, 'type'>,
				requestCache,
				auditLogReason,
			});
		}
		if (channel.type === ChannelTypes.GROUP_DM) {
			const groupDmData = data as Omit<Extract<ChannelUpdateNonThreadRequest, {type: 3}>, 'type'>;
			return await this.groupDmUpdate.updateGroupDmChannel({
				userId,
				channelId,
				name: groupDmData.name !== undefined ? groupDmData.name : undefined,
				icon: groupDmData.icon !== undefined ? groupDmData.icon : undefined,
				ownerId: groupDmData.owner_id ? createUserID(groupDmData.owner_id) : undefined,
				nicks: groupDmData.nicks,
				nsfw: groupDmData.nsfw ?? undefined,
				requestCache,
			});
		}
		const guildChannelData = data as GuildChannelUpdatePayload;
		const channelUpdateData: ChannelUpdateData = {};
		if ('name' in guildChannelData && guildChannelData.name !== undefined && guildChannelData.name !== null) {
			channelUpdateData.name = guildChannelData.name;
		}
		if (guildChannelData.topic !== undefined) {
			channelUpdateData.topic = guildChannelData.topic ?? null;
		}
		if (guildChannelData.url !== undefined) {
			channelUpdateData.url = guildChannelData.url ?? null;
		}
		if (guildChannelData.parent_id !== undefined) {
			channelUpdateData.parent_id = guildChannelData.parent_id ?? null;
		}
		if (guildChannelData.bitrate !== undefined) {
			channelUpdateData.bitrate = guildChannelData.bitrate ?? null;
		}
		if (guildChannelData.user_limit !== undefined) {
			channelUpdateData.user_limit = guildChannelData.user_limit ?? null;
		}
		if (guildChannelData.voice_connection_limit !== undefined) {
			channelUpdateData.voice_connection_limit = guildChannelData.voice_connection_limit ?? null;
		}
		if (guildChannelData.nsfw !== undefined) {
			channelUpdateData.nsfw = guildChannelData.nsfw ?? undefined;
		}
		if (guildChannelData.nsfw_override !== undefined) {
			channelUpdateData.nsfw_override = guildChannelData.nsfw_override ?? null;
		}
		if (guildChannelData.content_warning_level !== undefined) {
			channelUpdateData.content_warning_level = guildChannelData.content_warning_level;
		}
		if (guildChannelData.content_warning_text !== undefined) {
			channelUpdateData.content_warning_text = guildChannelData.content_warning_text ?? null;
		}
		if (guildChannelData.rate_limit_per_user !== undefined) {
			channelUpdateData.rate_limit_per_user = guildChannelData.rate_limit_per_user ?? undefined;
		}
		if (guildChannelData.permission_overwrites !== undefined) {
			channelUpdateData.permission_overwrites = guildChannelData.permission_overwrites ?? null;
		}
		if (guildChannelData.rtc_region !== undefined) {
			channelUpdateData.rtc_region = guildChannelData.rtc_region ?? null;
		}
		if (guildChannelData.rtc_p2p !== undefined) {
			channelUpdateData.rtc_p2p = guildChannelData.rtc_p2p;
		}
		if (guildChannelData.icon !== undefined) {
			channelUpdateData.icon = guildChannelData.icon ?? null;
		}
		if (guildChannelData.owner_id !== undefined) {
			channelUpdateData.owner_id = guildChannelData.owner_id ?? null;
		}
		if (guildChannelData.nicks !== undefined) {
			channelUpdateData.nicks = guildChannelData.nicks ?? null;
		}
		return this.operations.editChannel({
			userId,
			viewer,
			channelId,
			data: channelUpdateData,
			threadParent: pickThreadParentSettings(channel.type, guildChannelData),
			clientFeatures,
			requestCache,
			auditLogReason,
			typeConversion,
			countryCode,
		});
	}
}