'use strict'; /**

* @module Progress
*/

/**

* Module dependencies.
*/

var Base = require('./base'); var constants = require('../runner').constants; var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; var EVENT_TEST_END = constants.EVENT_TEST_END; var EVENT_RUN_END = constants.EVENT_RUN_END; var inherits = require('../utils').inherits; var color = Base.color; var cursor = Base.cursor;

/**

* Expose `Progress`.
*/

exports = module.exports = Progress;

/**

* General progress bar color.
*/

Base.colors.progress = 90;

/**

* Constructs a new `Progress` reporter instance.
*
* @public
* @class
* @memberof Mocha.reporters
* @extends Mocha.reporters.Base
* @param {Runner} runner - Instance triggers reporter actions.
* @param {Object} [options] - runner options
*/

function Progress(runner, options) {

Base.call(this, runner, options);

var self = this;
var width = (Base.window.width * 0.5) | 0;
var total = runner.total;
var complete = 0;
var lastN = -1;

// default chars
options = options || {};
var reporterOptions = options.reporterOptions || {};

options.open = reporterOptions.open || '[';
options.complete = reporterOptions.complete || '▬';
options.incomplete = reporterOptions.incomplete || Base.symbols.dot;
options.close = reporterOptions.close || ']';
options.verbose = reporterOptions.verbose || false;

// tests started
runner.on(EVENT_RUN_BEGIN, function() {
  process.stdout.write('\n');
  cursor.hide();
});

// tests complete
runner.on(EVENT_TEST_END, function() {
  complete++;

  var percent = complete / total;
  var n = (width * percent) | 0;
  var i = width - n;

  if (n === lastN && !options.verbose) {
    // Don't re-render the line if it hasn't changed
    return;
  }
  lastN = n;

  cursor.CR();
  process.stdout.write('\u001b[J');
  process.stdout.write(color('progress', '  ' + options.open));
  process.stdout.write(Array(n).join(options.complete));
  process.stdout.write(Array(i).join(options.incomplete));
  process.stdout.write(color('progress', options.close));
  if (options.verbose) {
    process.stdout.write(color('progress', ' ' + complete + ' of ' + total));
  }
});

// tests are complete, output some stats
// and the failures if any
runner.once(EVENT_RUN_END, function() {
  cursor.show();
  process.stdout.write('\n');
  self.epilogue();
});

}

/**

* Inherit from `Base.prototype`.
*/

inherits(Progress, Base);

Progress.description = 'a progress bar';