import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
import { TransformationsClientService } from 'src/clients/transformations/client.service';
import {
  ICreateTransformationsRequest,
  IIdRequest,
} from 'src/clients/transformations/interfaces';
import { trSnakeToCamel } from 'src/utils/CaseConverter';

@Injectable()
export class TransformationsService {
  constructor(private transformationClient: TransformationsClientService) {}

  async create(createTransformationDto: ICreateTransformationsRequest) {
    const { transformations, info } = createTransformationDto;

    if (!transformations || transformations.length == 0) {
      throw new HttpException('Missing transformations field.', 400);
    }

    try {
      const convertedDTO = transformations.map((tr) => {
        return trSnakeToCamel(tr);
      });
      const createTransformationResponse =
        await this.transformationClient.create({
          transformations: convertedDTO,
          info: info,
        });

      return createTransformationResponse;
    } catch (err) {
      throw new HttpException(err.message, HttpStatus.NOT_FOUND);
    }
  }

  async findOne(data: IIdRequest) {
    try {
      const findOneTransformationResponse =
        await this.transformationClient.findOne(data);
      return findOneTransformationResponse;
    } catch (err) {
      throw new HttpException(err.message, HttpStatus.NOT_FOUND);
    }
  }

  async findAll(data) {
    try {
      const findAllTransformationResponse =
        await this.transformationClient.findAll(data);

      return findAllTransformationResponse;
    } catch (err) {
      throw new HttpException(err.message, HttpStatus.NOT_FOUND);
    }
  }

  async update(id: string, data) {
    try {
      data.transformation['id'] = id;
      const updateTransformationResponse =
        await this.transformationClient.update({ ...data });

      return updateTransformationResponse;
    } catch (err) {
      throw new HttpException(err.message, HttpStatus.NOT_FOUND);
    }
  }

  async remove(data: IIdRequest) {
    try {
      const removeTransformationResponse =
        await this.transformationClient.remove(data);

      return removeTransformationResponse;
    } catch (err) {
      throw new HttpException(err.message, HttpStatus.NOT_FOUND);
    }
  }
}