"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.MultiProgress = void 0;

function _log() {
  const data = require("builder-util/out/log");

  _log = function () {
    return data;
  };

  return data;
}

function _progress() {
  const data = require("./progress");

  _progress = function () {
    return data;
  };

  return data;
}

class MultiProgress {
  constructor() {
    this.stream = process.stdout;
    this.cursor = 0;
    this.totalLines = 0;
    this.isLogListenerAdded = false;
    this.barCount = 0;
  }

  createBar(format, options) {
    options.stream = this.stream; // tslint:disable:no-this-assignment

    const manager = this;

    class MultiProgressBar extends _progress().ProgressBar {
      constructor(format, options) {
        super(format, options);
        this.index = -1;
      }

      render() {
        if (this.index === -1) {
          this.index = manager.totalLines;
          manager.allocateLines(1);
        } else {
          manager.moveCursor(this.index);
        }

        super.render();

        if (!manager.isLogListenerAdded) {
          manager.isLogListenerAdded = true;
          (0, _log().setPrinter)(message => {
            let newLineCount = 0;
            let newLineIndex = message.indexOf("\n");

            while (newLineIndex > -1) {
              newLineCount++;
              newLineIndex = message.indexOf("\n", ++newLineIndex);
            }

            manager.allocateLines(newLineCount + 1);
            manager.stream.write(message);
          });
        }
      }

      terminate() {
        manager.barCount--;

        if (manager.barCount === 0 && manager.totalLines > 0) {
          manager.allocateLines(1);
          manager.totalLines = 0;
          manager.cursor = 0;
          (0, _log().setPrinter)(null);
          manager.isLogListenerAdded = false;
        }
      }

    }

    const bar = new MultiProgressBar(format, options);
    this.barCount++;
    return bar;
  }

  allocateLines(count) {
    this.stream.moveCursor(0, this.totalLines - 1); // if cursor pointed to previous line where \n is already printed, another \n is ignored, so, we can simply print it

    this.stream.write("\n");
    this.totalLines += count;
    this.cursor = this.totalLines - 1;
  }

  moveCursor(index) {
    this.stream.moveCursor(0, index - this.cursor);
    this.cursor = index;
  }

  terminate() {
    this.moveCursor(this.totalLines);
    this.stream.clearLine();
    this.stream.cursorTo(0);
  }

} exports.MultiProgress = MultiProgress;
// __ts-babel@6.0.4
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