'use strict'
var validate = require('aproba')
var renderTemplate = require('./render-template.js')
var wideTruncate = require('./wide-truncate')
var stringWidth = require('string-width')
module.exports = function (theme, width, completed) {
validate('ONN', [theme, width, completed])
if (completed < 0) completed = 0
if (completed > 1) completed = 1
if (width <= 0) return ''
var sofar = Math.round(width * completed)
var rest = width - sofar
var template = [
{type: 'complete', value: repeat(theme.complete, sofar), length: sofar},
{type: 'remaining', value: repeat(theme.remaining, rest), length: rest}
]
return renderTemplate(width, template, theme)
}
// lodash's way of repeating
function repeat (string, width) {
var result = ''
var n = width
do {
if (n % 2) {
result += string
}
n = Math.floor(n / 2)
/*eslint no-self-assign: 0*/
string += string
} while (n && stringWidth(result) < width)
return wideTruncate(result, width)
}
