import { Body, Controller, Delete, Get, Post, Query, UseGuards } from '@nestjs/common';
import { JwtAuthGuard } from '../auth/jwt-auth.guard';
import { CurrentUser } from '../auth/current-user.decorator';
import { RequireOrgModule } from '../billing/org-module.decorator';
import { OrgModuleGuard } from '../billing/org-module.guard';
import {
  CreateConversationDmDto,
  CreateConversationGroupDto,
  CreateConversationChannelDto,
  HideConversationMessagesDto,
  PinConversationMessageDto,
  PinConversationRoomDto,
  UnpinConversationMessageDto,
  AddConversationRoomMemberDto,
  RemoveConversationRoomMemberDto,
  UpdateConversationRoomMemberRoleDto,
  ConversationTypingDto,
  MuteConversationRoomDto,
  ToggleMessageReactionDto,
} from './dto';
import { ConversationsService } from './conversations.service';

@Controller('conversations')
@UseGuards(JwtAuthGuard, OrgModuleGuard)
@RequireOrgModule('conversations')
export class ConversationsController {
  constructor(private readonly conversations: ConversationsService) {}

  @Get('access')
  access(@CurrentUser() user: { userId: string; organizationId: string; role: string }) {
    return this.conversations.getAccess(user.userId, user.organizationId, user.role);
  }

  @Get('session')
  session(@CurrentUser() user: { userId: string; organizationId: string; role: string }) {
    return this.conversations.getSession(user.userId, user.organizationId, user.role);
  }

  @Get('peers')
  peers(@CurrentUser() user: { userId: string; organizationId: string; role: string }) {
    return this.conversations.listPeers(user.userId, user.organizationId, user.role);
  }

  @Get('rooms')
  rooms(@CurrentUser() user: { userId: string; organizationId: string; role: string }) {
    return this.conversations.listRooms(user.userId, user.organizationId, user.role);
  }

  @Post('rooms/typing')
  signalTyping(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: ConversationTypingDto,
  ) {
    return this.conversations.signalTyping(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
    );
  }

  @Get('rooms/typing')
  listTyping(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    // بدون roomId → همه اتاق‌های سازمان (لیست گفتگو)
    if (!externalRoomId?.trim()) {
      return this.conversations.listTypingAll(user.userId, user.organizationId, user.role);
    }
    return this.conversations.listTyping(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }

  @Post('rooms/dm')
  createDm(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: CreateConversationDmDto,
  ) {
    return this.conversations.createDm(
      user.userId,
      user.organizationId,
      user.role,
      dto.peerUserId,
    );
  }

  @Post('rooms/group')
  createGroup(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: CreateConversationGroupDto,
  ) {
    return this.conversations.createGroup(
      user.userId,
      user.organizationId,
      user.role,
      dto.name,
      dto.memberUserIds,
    );
  }

  @Post('rooms/channel')
  createChannel(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: CreateConversationChannelDto,
  ) {
    return this.conversations.createChannel(
      user.userId,
      user.organizationId,
      user.role,
      dto.name,
      dto.memberUserIds,
    );
  }

  @Get('rooms/members')
  listMembers(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    return this.conversations.listRoomMembers(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }

  @Post('rooms/members')
  addMember(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: AddConversationRoomMemberDto,
  ) {
    return this.conversations.addRoomMember(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.userId,
      dto.role === 'admin' ? 'admin' : 'member',
    );
  }

  @Post('rooms/members/remove')
  removeMember(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: RemoveConversationRoomMemberDto,
  ) {
    return this.conversations.removeRoomMember(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.userId,
    );
  }

  @Post('rooms/members/role')
  updateMemberRole(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: UpdateConversationRoomMemberRoleDto,
  ) {
    return this.conversations.updateRoomMemberRole(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.userId,
      dto.role === 'admin' ? 'admin' : 'member',
    );
  }

  @Post('rooms/pin')
  pinRoom(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: PinConversationRoomDto,
  ) {
    return this.conversations.setRoomPinned(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.pinned,
    );
  }

  @Post('rooms/mute')
  muteRoom(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: MuteConversationRoomDto,
  ) {
    return this.conversations.setRoomMuted(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.muted,
      dto.allowMentions !== false,
    );
  }

  @Get('messages/reactions')
  listReactions(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    return this.conversations.listMessageReactions(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }

  @Post('messages/reactions')
  toggleReaction(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: ToggleMessageReactionDto,
  ) {
    return this.conversations.toggleMessageReaction(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.messageId,
      dto.emoji,
    );
  }

  @Post('messages/hide')
  hideMessages(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: HideConversationMessagesDto,
  ) {
    return this.conversations.hideMessages(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.messageIds,
      dto.forEveryone !== false,
    );
  }

  @Get('messages/hidden')
  listHidden(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    return this.conversations.listHiddenMessageIds(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }

  @Get('messages/pin')
  getPinnedMessage(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    return this.conversations.getPinnedMessage(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }

  @Post('messages/pin')
  pinMessage(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: PinConversationMessageDto,
  ) {
    return this.conversations.pinMessage(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
      dto.messageId,
      dto.preview,
    );
  }

  @Post('messages/unpin')
  unpinMessage(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Body() dto: UnpinConversationMessageDto,
  ) {
    return this.conversations.unpinMessage(
      user.userId,
      user.organizationId,
      user.role,
      dto.externalRoomId,
    );
  }

  @Delete('messages/pin')
  unpinMessageDelete(
    @CurrentUser() user: { userId: string; organizationId: string; role: string },
    @Query('externalRoomId') externalRoomId: string,
  ) {
    return this.conversations.unpinMessage(
      user.userId,
      user.organizationId,
      user.role,
      externalRoomId || '',
    );
  }
}