import { Body, Controller, Get, Param, ParseUUIDPipe, Patch, Post, Query } from '@nestjs/common';
import { CurrentSession } from '../auth/session.decorator';
import type { AuthenticatedSession } from '../auth/tenant.guard';
import { MarkReadDto, SnoozeDto, UpdatePreferencesDto } from './dto';
import { NotificationsService, type InboxFilter } from './notifications.service';

const FILTERS: InboxFilter[] = [
  'all',
  'unread',
  'action_required',
  'critical',
  'intelligence',
  'system',
];

@Controller('notifications')
export class NotificationsController {
  constructor(private readonly notificationsService: NotificationsService) {}

  @Get()
  list(@CurrentSession() session: AuthenticatedSession, @Query('filter') filter?: string) {
    const safe = FILTERS.includes(filter as InboxFilter) ? (filter as InboxFilter) : 'all';
    return this.notificationsService.list(session, safe);
  }

  @Post('mark-read')
  markRead(@CurrentSession() session: AuthenticatedSession, @Body() dto: MarkReadDto) {
    return this.notificationsService.markRead(session, dto.ids);
  }

  @Post(':id/acknowledge')
  acknowledge(
    @CurrentSession() session: AuthenticatedSession,
    @Param('id', ParseUUIDPipe) id: string,
  ) {
    return this.notificationsService.acknowledge(session, id);
  }

  @Post(':id/dismiss')
  dismiss(@CurrentSession() session: AuthenticatedSession, @Param('id', ParseUUIDPipe) id: string) {
    return this.notificationsService.dismiss(session, id);
  }

  @Post(':id/snooze')
  snooze(
    @CurrentSession() session: AuthenticatedSession,
    @Param('id', ParseUUIDPipe) id: string,
    @Body() dto: SnoozeDto,
  ) {
    return this.notificationsService.snooze(session, id, dto.minutes);
  }

  @Get('preferences')
  getPreferences(@CurrentSession() session: AuthenticatedSession) {
    return this.notificationsService.getPreferences(session);
  }

  @Patch('preferences')
  updatePreferences(
    @CurrentSession() session: AuthenticatedSession,
    @Body() dto: UpdatePreferencesDto,
  ) {
    return this.notificationsService.updatePreferences(session, dto);
  }
}