// date picker timezone conversion for display
QUnit.test("date picker", assert => {
  Date.prototype.getTimezoneOffset2 = Date.prototype.getTimezoneOffset
  Date.prototype.getTimezoneOffset = function() { return -360 }

  obj_date_time = {
    name: 'test',
    value: '2018-04-06T20:45:00.000Z'
  }

  el_date_time = App.UiElement.datetime.render(obj_date_time)

  date_time_parsed = new Date(Date.parse(obj_date_time.value))
  date_time_input = el_date_time.find('.js-datepicker').datepicker('getDate')
  assert.equal(date_time_parsed.getDate(), date_time_input.getDate(), 'datetime matching day')

  obj_date = {
    name: 'test',
    value: '2018-06-06'
  }

  el_date = App.UiElement.date.render(obj_date)

  date_parsed = new Date(Date.parse(obj_date.value))
  date_input = el_date.find('.js-datepicker').datepicker('getUTCDate')
  assert.equal(date_parsed.getDate(), date_input.getDate(), 'date matching day')

  Date.prototype.getTimezoneOffset = Date.prototype.getTimezoneOffset2
  Date.prototype.getTimezoneOffset2 = undefined
})

// pretty date
QUnit.test("check pretty date", assert => {
  var current = new Date('1995-12-17T03:24:00')
  clock = sinon.useFakeTimers({now: current})

  // use date formatting as functions to make it more flexible
  prettyDateRelative(current, '', true, 'relative');
  prettyDateAbsolute(current, '', true, 'absolute');
  prettyDateTimestamp(current, '', true, 'timestamp');

  // past

  function prettyDateRelative(current, escalation, long, type) {
    var result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now')

    result = App.PrettyDate.humanTime(current - 15000, escalation, long, type);
    assert.equal(result, 'just now', 'just now')

    result = App.PrettyDate.humanTime(current - 60000, escalation, long, type);
    assert.equal(result, '1 minute ago', '1 min ago')

    result = App.PrettyDate.humanTime(current - (2 * 60000), escalation, long, type);
    assert.equal(result, '2 minutes ago', '2 min ago')

    result = App.PrettyDate.humanTime(current - (60000 * 60), escalation, long, type);
    assert.equal(result, '1 hour ago', '1 hour')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2), escalation, long, type);
    assert.equal(result, '2 hours ago', '2 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2.5), escalation, long, type);
    assert.equal(result, '2 hours 30 minutes ago', '2.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 12.5), escalation, long, type);
    assert.equal(result, '12 hours ago', '12.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24), escalation, long, type);
    assert.equal(result, '1 day ago', '1 day')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2), escalation, long, type);
    assert.equal(result, '2 days ago', '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2) - (60000 * 5), escalation, long, type);
    assert.equal(result, '2 days ago', '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5), escalation, long, type);
    assert.equal(result, '2 days 12 hours ago', '2.5 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5) - (60000 * 5), escalation, long, type);
    assert.equal(result, '2 days 12 hours ago', '2.5 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 10.5), escalation, long, type);
    var pastDate = new Date(current - (60000 * 60 * 24 * 10.5))
    var dd = pastDate.getDate();
    if(dd<10) {
        dd = '0' + dd
    }
    var mm = pastDate.getMonth() + 1;
    if(mm<10) {
        mm = '0' + mm
    }
    var yyyy = pastDate.getFullYear();
    // mm/dd/yyyy
    assert.equal(result, mm+'/'+dd+'/'+yyyy, '10.5 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 30), escalation, long, type);
    var pastDate = new Date(current - (60000 * 60 * 24 * 30))
    var dd = pastDate.getDate();
    if(dd<10) {
        dd = '0' + dd
    }
    var mm = pastDate.getMonth() + 1;
    if(mm<10) {
        mm = '0' + mm
    }
    var yyyy = pastDate.getFullYear();
    // mm/dd/yyyy
    assert.equal(result, mm+'/'+dd+'/'+yyyy, '30 days')

    // future
    current = new Date('1995-12-17T03:24:00')

    result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now')

    result = App.PrettyDate.humanTime(current.getTime() + 55000, escalation, long, type);
    assert.equal(result, 'just now', 'just now')

    result = App.PrettyDate.humanTime(current.getTime() + 65000, escalation, long, type);
    assert.equal(result, 'in 1 minute', 'in 1 min')

    result = App.PrettyDate.humanTime(current.getTime() + (2 * 65000), escalation, long, type);
    assert.equal(result, 'in 2 minutes', 'in 2 min')

    result = App.PrettyDate.humanTime(current.getTime() + (60500 * 60), escalation, long, type);
    assert.equal(result, 'in 1 hour', 'in 1 hour')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2), escalation, long, type);
    assert.equal(result, 'in 2 hours', 'in 2 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2.5), escalation, long, type);
    assert.equal(result, 'in 2 hours 30 minutes', 'in 2.5 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24), escalation, long, type) ;
    assert.equal(result, 'in 1 day', 'in 1 day')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2), escalation, long, type);
    assert.equal(result, 'in 2 days', 'in 2 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2.5), escalation, long, type);
    assert.equal(result, 'in 2 days 12 hours', 'in 2.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 5.5), escalation, long, type);
    assert.equal(result, 'in 5 days 12 hours', 'in 30.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 30.5), escalation, long, type);
    assert.equal(result, 'in 30 days', 'in 30.5 days')

  };

  function prettyDateAbsolute(current, escalation, long, type) {

    var result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // by defaul < 1 min is just now

    result = App.PrettyDate.humanTime(current - 15000, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // by default < 1 min is just now

    result = App.PrettyDate.humanTime(current - 60000, escalation, long, type);
    diff = 60
    assert.equal(result, getAbsolute(new Date(current - 60000), diff), '1 min ago')

    result = App.PrettyDate.humanTime(current - (2 * 60000), escalation, long, type);
    diff = 2 * 60
    assert.equal(result, getAbsolute(new Date(current - (2 * 60000)), diff), '2 min ago')

    result = App.PrettyDate.humanTime(current - (60000 * 60), escalation, long, type);
    diff = 60 * 60
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60)), diff), '1 hour')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2), escalation, long, type);
    diff = 60 * 60 * 2
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 2)), diff), '2 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2.5), escalation, long, type);
    diff = 60 * 60 * 2.5
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 2.5)), diff), '2.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 12.5), escalation, long, type);
    diff = 60 * 60 * 12.5
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 12.5)), diff), '12.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24), escalation, long, type);
    diff = 60 * 60 * 25
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 24)), diff), '1 day')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2), escalation, long, type);
    diff = 60 * 60 * 25 * 2
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 24 * 2)), diff), '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2) - (60000 * 5), escalation, long, type);
    diff = (60 * 60 * 24 * 2) - (60 * 5)
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 24 * 2) - (60000 * 5)), diff), '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5), escalation, long, type);
    diff = (60 * 60 * 24 * 2.5)
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 24 * 2.5)), diff), '2.5 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5) - (60000 * 5), escalation, long, type);
    diff = (60 * 60 * 24 * 2.5) - (60 * 5)
    assert.equal(result, getAbsolute(new Date(current - (60000 * 60 * 24 * 2.5) - (60000 * 5)), diff), '2.5 days')

    // future
    current = new Date('1995-12-17T03:24:00')
    result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // no change, because < 1 min = just now

    result = App.PrettyDate.humanTime(current.getTime() + 55000, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // no change, because < 1 min = just now

    result = App.PrettyDate.humanTime(current.getTime() + 65000, escalation, long, type);
    diff = 60
    assert.equal(result, getAbsolute(new Date(current.getTime() + 65000), diff), 'in 1 min')

    result = App.PrettyDate.humanTime(current.getTime() + (2 * 65000), escalation, long, type);
    diff = 2 * 60
    assert.equal(result, getAbsolute(new Date(current.getTime() + (2 * 65000)), diff), 'in 2 min')

    result = App.PrettyDate.humanTime(current.getTime() + (60500 * 60), escalation, long, type) ;
    diff = 60 * 60
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60500 * 60)), diff), 'in 1 hour')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2), escalation, long, type);
    diff = 60 * 60 * 2
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 2)), diff), 'in 2 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2.5), escalation, long, type);
    diff = 60 * 60 * 2.5
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 2.5)), diff), 'in 2.5 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24), escalation, long, type);
    diff = 60 * 60 * 24
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 24)), diff), 'in 1 day')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2), escalation, long, type);
    diff = 60 * 60 * 24 * 2
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 24 * 2)), diff), 'in 2 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2.5), escalation, long, type);
    diff = 60 * 60 * 24 * 2.5
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 24 * 2.5)), diff), 'in 2.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 5.5), escalation, long, type);
    diff = 60 * 60 * 24 * 5.5
    assert.equal(result, getAbsolute(new Date(current.getTime() + (60050 * 60 * 24 * 5.5)), diff), 'in 5.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 30.5), escalation, long, type);
    diff = (60 * 60 * 24 * 30.5);
    assert.equal(result, getAbsolute(new Date(current.getTime() + 60050 * 60 * 24 * 30.5), diff), 'in 30.5 days')

  };

  function prettyDateTimestamp(current, escalation, long, type) {

    var result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // by defaul < 1 min is just now

    result = App.PrettyDate.humanTime(current - 15000, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // by default < 1 min is just now

    result = App.PrettyDate.humanTime(current - 60000, escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - 60000)), '1 min ago')

    result = App.PrettyDate.humanTime(current - (2 * 60000), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (2 * 60000))), '2 min ago')

    result = App.PrettyDate.humanTime(current - (60000 * 60), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60))), '1 hour')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 2))), '2 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 2.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 2.5))), '2.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 12.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 12.5))), '12.5 hours')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 24))), '1 day')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 24 * 2))), '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2) - (60000 * 5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 24 * 2) - (60000 * 5))), '2 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 24 * 2.5))), '2.5 days')

    result = App.PrettyDate.humanTime(current - (60000 * 60 * 24 * 2.5) - (60000 * 5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current - (60000 * 60 * 24 * 2.5) - (60000 * 5))), '2.5 days')

    // future
    current = new Date('1995-12-17T03:24:00')
    result = App.PrettyDate.humanTime(current, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // no change, because < 1 min = just now

    result = App.PrettyDate.humanTime(current.getTime() + 55000, escalation, long, type);
    assert.equal(result, 'just now', 'just now') // no change, because < 1 min = just now

    result = App.PrettyDate.humanTime(current.getTime() + 65000, escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + 65000)), 'in 1 min')

    result = App.PrettyDate.humanTime(current.getTime() + (2 * 65000), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (2 * 65000))), 'in 2 min')

    result = App.PrettyDate.humanTime(current.getTime() + (60500 * 60), escalation, long, type) ;
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60500 * 60))), 'in 1 hour')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 2))), 'in 2 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 2.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 2.5))), 'in 2.5 hours')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 24))), 'in 1 day')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 24 * 2))), 'in 2 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 2.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 24 * 2.5))), 'in 2.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 5.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + (60050 * 60 * 24 * 5.5))), 'in 5.5 days')

    result = App.PrettyDate.humanTime(current.getTime() + (60050 * 60 * 24 * 30.5), escalation, long, type);
    assert.equal(result, getTimestamp(new Date(current.getTime() + 60050 * 60 * 24 * 30.5)), 'in 30.5 days')

  };

  function getAbsolute(date, diff) {
    weekdays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
    weekday = weekdays[date.getDay()];

    months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
    month = months[date.getMonth()];

    d      = date.getDate()
    m      = date.getMonth() + 1
    yfull  = date.getFullYear()
    M      = date.getMinutes()
    H      = date.getHours()
    l      = (H + 11) % 12 + 1
    if (l < 10) {
      l = ' ' + l
    }
    P      = H >= 12 ? 'pm' : 'am'

    // for less than 6 days
    // weekday HH::MM
    if (diff < (60 * 60 * 24 * 6))
      string = weekday + ' ' + H + ':' + (M < 10 ? '0':'') + M
    else if (current.getYear() == date.getYear())
       string = weekday + ' ' + date.getDate() + '. ' + month + ' ' + H + ':' + (M < 10 ? '0':'') + M
    else
       string = weekday + ' ' + (m < 10 ? '0':'') + m + '/' + (d < 10 ? '0':'') + d + '/' + (yfull) + ' ' + l + ':' + (M < 10 ? '0':'') + M + ' ' + P
    return string;
  }

  function getTimestamp(date) {

    d      = date.getDate()
    m      = date.getMonth() + 1
    yfull  = date.getFullYear()
    yshort = date.getYear()-100
    M      = date.getMinutes()
    H      = date.getHours()
    l      = (H + 11) % 12 + 1
    if (l < 10) {
      l = ' ' + l
    }
    P      = H >= 12 ? 'pm' : 'am'

    // YYYY-MM-DD HH::MM
    return (m < 10 ? '0':'') + m + '/' + (d < 10 ? '0':'') + d + '/' + (yfull) + ' ' + l + ':' + (M < 10 ? '0':'') + M + ' ' + P
  }

});

QUnit.test("PrettyDate getISOWeeks", assert => {
  assert.equal(App.PrettyDate.getISOWeeks(2026), 53, '53 weeks')
  assert.equal(App.PrettyDate.getISOWeeks(2020), 53, 'leap year and 53 weeks')
  assert.equal(App.PrettyDate.getISOWeeks(2019), 52, '52 weeks')
  assert.equal(App.PrettyDate.getISOWeeks(2024), 52, 'leap year and 52 weeks')
})