import { Inject, Injectable } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { FileUpload } from 'graphql-upload/processRequest.js';
import { Client } from 'minio';
import { MINIO_CONNECTION } from 'nestjs-minio';
@Injectable()
export class MinioService {
  constructor(
    private readonly configService: ConfigService,
    @Inject(MINIO_CONNECTION) private readonly minioClient: Client,
  ) {}

  async uploadFile(file: FileUpload, category: string) {
    const { filename, mimetype, createReadStream, encoding } = await file;
    const Name = `${category}/${filename}`;
    const fileBuffer = createReadStream();

    const result = await this.minioClient.putObject(
      this.configService.get('BUCKET_NAME') ?? 'epess',
      Name,
      fileBuffer,
      undefined,
      {
        'Content-Type': mimetype,
      },
    );
    return { result, filename, mimetype };
  }

  async getFileUrl(fileName: string, category: string) {
    const url = await this.minioClient.presignedUrl(
      'GET',
      this.configService.get('BUCKET_NAME') ?? 'epess',
      `${category}/${fileName}`,
      3600,
    );
    // replace the url with the url with actual url
    return url;
  }

  async deleteFile(fileName: string) {
    return await this.minioClient.removeObject(
      this.configService.get('BUCKET_NAME') ?? 'epess',
      fileName,
    );
  }
}