backend/src/guards/scene.device.type.guard.ts

import { ProductType } from '@app/common/constants/product-type.enum';
import {
  Injectable,
  CanActivate,
  ExecutionContext,
  BadRequestException,
  HttpException,
} from '@nestjs/common';
import { DeviceService } from 'src/device/services';

@Injectable()
export class CheckFourAndSixSceneDeviceTypeGuard implements CanActivate {
  constructor(private readonly deviceService: DeviceService) {}

  async canActivate(context: ExecutionContext): Promise<boolean> {
    const request = context.switchToHttp().getRequest();
    const deviceUuid = request.params.deviceUuid;

    if (!deviceUuid) {
      throw new BadRequestException('Device UUID is required');
    }

    try {
      const deviceDetails =
        await this.deviceService.getDeviceByDeviceUuid(deviceUuid);

      if (
        deviceDetails.productDevice.prodType !== ProductType.FOUR_S &&
        deviceDetails.productDevice.prodType !== ProductType.SIX_S
      ) {
        throw new BadRequestException('The device type is not supported');
      }

      return true;
    } catch (error) {
      throw new HttpException(
        error.message || 'An error occurred',
        error.status || 500,
      );
    }
  }
}