import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { IsIn, IsNotEmpty, IsOptional, IsString, MaxLength } from 'class-validator';
import { MqttLogMessageDto } from '../../ingest/dto/mqtt-messages.dto';

export type SimTransport = 'relay' | 'mqtts';

// What the simulator UI sends the backend: a devices/<serial>/log payload
// (type: "log" persists a point, "status" is a live-only position update)
// plus "serial", which lives in the topic rather than the wire payload.
export class SimPublishPointDto extends MqttLogMessageDto {
  @ApiProperty({ description: 'Locator serial number; identifies the device via devices/<serial>/log' })
  @IsString()
  @IsNotEmpty()
  @MaxLength(64)
  serial: string;

  @ApiPropertyOptional({
    description:
      '"relay" (default) publishes via the backend\'s own privileged broker connection. ' +
      '"mqtts" instead connects to port 8883 and authenticates as this serial\'s own issued ' +
      'client certificate, exercising the real device-auth + ACL path.',
    enum: ['relay', 'mqtts'],
  })
  @IsOptional()
  @IsIn(['relay', 'mqtts'])
  transport?: SimTransport;
}