import { Controller, Get, Param, ParseUUIDPipe, Post, Query } from '@nestjs/common';
import { CurrentSession } from '../auth/session.decorator';
import type { AuthenticatedSession } from '../auth/tenant.guard';
import { SagasService } from './sagas.service';

const STATUSES = [
  'RUNNING',
  'COMPLETED',
  'COMPENSATING',
  'COMPENSATED',
  'FAILED',
  'TIMED_OUT',
] as const;

@Controller('sagas')
export class SagasController {
  constructor(private readonly sagas: SagasService) {}

  @Get()
  overview(@CurrentSession() session: AuthenticatedSession) {
    return this.sagas.overview(session);
  }

  @Get('instances')
  list(@CurrentSession() session: AuthenticatedSession, @Query('status') status?: string) {
    // Allowlist, nu interpolare: statusul ajunge intr-o comparatie SQL.
    const safe = STATUSES.includes(status as (typeof STATUSES)[number]) ? status : undefined;
    return this.sagas.list(session, safe);
  }

  @Get('instances/:id')
  detail(@CurrentSession() session: AuthenticatedSession, @Param('id', ParseUUIDPipe) id: string) {
    return this.sagas.detail(session, id);
  }

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