import * as fs from "fs";
import { FormattedDispatch } from "./FormattedDispatch";
import { App } from "../App";
import { ILogItem } from "./ILogItem";

export class FileDispatch extends FormattedDispatch {
  path: string;
  stream: fs.WriteStream;

  constructor(path: string) {
    super();
    this.path = path;
    this.stream = fs.createWriteStream(path, { flags: "a" });

    this.stream.on("error", (err) => {
      App.logger.error(`Error writing to file: ${this.path}`, err);
    });
  }

  process(item: ILogItem): void {
    this.stream.write(this.format(item) + "\n");
    super.process(item);
  }
}