import color from "kleur";
import Blocker from "stdin-blocker";
import Cursor from "cursor-cli";
import { FRAMES, FRAMES_INTERVAL, Symbol } from "./constants";
import { writeLine } from "./utils";

class Spinner {
  private intervalId?: NodeJS.Timer;
  private iteration = 0;
  private message = "";

  render = (): void => {
    const frame = FRAMES[this.iteration++ % FRAMES.length];
    const line = `${color.cyan(frame)} ${this.message}`;

    writeLine(line);
  };

  start(message: string): void {
    if (this.intervalId) return;

    this.message = message;

    Blocker.block();
    Cursor.hide();

    this.intervalId = setInterval(this.render, FRAMES_INTERVAL);
  }

  update(message: string): void {
    this.message = message;
  }

  warning(message: string): void {
    return this.stop(`${color.yellow(Symbol.SYMBOL_WARNING)} ${message}`);
  }

  success(message: string): void {
    return this.stop(`${color.green(Symbol.SYMBOL_SUCCESS)} ${message}`);
  }

  error(message: string): void {
    return this.stop(`${color.red(Symbol.SYMBOL_ERROR)} ${message}`);
  }

  stop(message = ""): void {
    if (!this.intervalId) return;

    Blocker.unblock();
    Cursor.show();

    clearInterval(this.intervalId);

    const line = message ? `${message}\n` : "";

    writeLine(line);
  }
}

export default Spinner;