import { Component } from "@angular/core";
import { UploaderService } from "./uploader.service";
import { global } from "../global";
import { md5 } from "./md5";
@Component({
  selector: "app-uploader",
  templateUrl: "./uploader.component.html",
  providers: [UploaderService]
})
export class UploaderComponent {
  message: string = "Please upload an .arff file!";
  constructor(private uploaderService: UploaderService) {}
  userID: string = null;
  onPicked(input: HTMLInputElement) {
    const file = input.files[0];

    if (file) {
      const fileMD5 = md5(file);
      console.log("File MD5" + fileMD5);
      let fileExtension = file.name.split(".").pop();
      // console.log(fileExtension);
      if (fileExtension != "arff" && fileExtension != "ARFF") {
        this.message = "File error! Please provide a valid arff file!";
        console.error("File extension error!");
      } else {
        this.uploaderService.upload(file).subscribe(msg => {
          input.value = null;
          this.message = msg;
          this.userID = global.userID;
        });
      }
    }
  }
}