# encoding: utf-8
require 'cronex'

module Cronex
  describe ExpressionDescriptor do

    def desc(expression, opts = {})
      opts[:locale] = 'en'
      Cronex::ExpressionDescriptor.new(expression, opts).description
    end

    let(:opts) { { zero_based_dow: false } }

    it 'every second' do
      expect(desc('* * * * * *')).to eq('Every second')
    end

    it 'every 45 seconds' do
      expect(desc('*/45 * * * * *')).to eq('Every 45 seconds')
    end

    it 'minute span' do
      expect(desc('0-10 11 * * *')).to eq('Every minute between 11:00 AM and 11:10 AM')
    end

    context 'every minute' do
      it 'every minute' do
        expect(desc('* * * * *')).to eq('Every minute')
      end

      it 'every minute */1' do
        expect(desc('*/1 * * * *')).to eq('Every minute')
      end

      it 'every minute 0 0/1' do
        expect(desc('0 0/1 * * * ?')).to eq('Every minute')
      end
    end

    context 'every X minutes:' do
      it 'every 5 minutes' do
        expect(desc('*/5 * * * *')).to eq('Every 5 minutes')
      end

      it 'every 5 minutes at Midnight' do
        expect(desc('*/5 0 * * *')).to eq('Every 5 minutes, at 12:00 AM')
      end

      it 'every 5 minutes 0 */5' do
        expect(desc('0 */5 * * * *')).to eq('Every 5 minutes')
      end

      it 'every 10 minutes 0 0/10' do
        expect(desc('0 0/10 * * * ?')).to eq('Every 10 minutes')
      end
    end

    context 'every hour:' do
      it 'every hour 0 0' do
        expect(desc('0 0 * * * ?')).to eq('Every hour')
      end

      it 'every hour 0 0 0/1' do
        expect(desc('0 0 0/1 * * ?')).to eq('Every hour')
      end
    end

    context 'daily:' do
      it 'daily at /\d\d/:/\d\d/' do
        expect(desc('30 11 * * *')).to eq('At 11:30 AM')
      end

      it 'daily at /\d/:/\d/' do
        expect(desc('9 8 * * *')).to eq('At 8:09 AM')
      end

      it 'daily at /0[89]/:/0[89]/' do
        expect(desc('09 08 * * *')).to eq('At 8:09 AM')
      end

      it 'daily at /0[1-7]/ /0[1-7/' do
        expect(desc('02 01 * * *')).to eq('At 1:02 AM')
      end
    end

    context 'time of day certain days of week:' do
      it 'time of day on MON-FRI' do
        expect(desc('0 23 ? * MON-FRI')).to eq('At 11:00 PM, Monday through Friday')
      end

      it 'time of day on 1-5' do
        expect(desc('30 11 * * 1-5')).to eq('At 11:30 AM, Monday through Friday')
      end
    end

    it 'one month only' do
      expect(desc('* * * 3 *')).to eq('Every minute, only in March')
    end

    it 'two months only' do
      expect(desc('* * * 3,6 *')).to eq('Every minute, only in March and June')
    end

    it 'two times each afternoon' do
      expect(desc('30 14,16 * * *')).to eq('At 2:30 PM and 4:30 PM')
    end

    it 'three times daily' do
      expect(desc('30 6,14,16 * * *')).to eq('At 6:30 AM, 2:30 PM and 4:30 PM')
    end

    context 'once a week:' do
      it 'once a week 0' do
        expect(desc('46 9 * * 0')).to eq('At 9:46 AM, only on Sunday')
      end

      it 'once a week SUN' do
        expect(desc('46 9 * * SUN')).to eq('At 9:46 AM, only on Sunday')
      end

      it 'once a week 7' do
        expect(desc('46 9 * * 7')).to eq('At 9:46 AM, only on Sunday')
      end

      it 'once a week 1' do
        expect(desc('46 9 * * 1')).to eq('At 9:46 AM, only on Monday')
      end

      it 'once a week 6' do
        expect(desc('46 9 * * 6')).to eq('At 9:46 AM, only on Saturday')
      end
    end

    context 'once a week non zero based:' do
      it 'once a week 1' do
        expect(desc('46 9 * * 1', opts)).to eq('At 9:46 AM, only on Sunday')
      end

      it 'once a week SUN' do
        expect(desc('46 9 * * SUN', opts)).to eq('At 9:46 AM, only on Sunday')
      end

      it 'once a week 2' do
        expect(desc('46 9 * * 2', opts)).to eq('At 9:46 AM, only on Monday')
      end

      it 'once a week 7' do
        expect(desc('46 9 * * 7', opts)).to eq('At 9:46 AM, only on Saturday')
      end
    end

    context 'twice a week:' do
      it 'twice a week 1,2' do
        expect(desc('46 9 * * 1,2')).to eq('At 9:46 AM, only on Monday and Tuesday')
      end

      it 'twice a week MON,TUE' do
        expect(desc('46 9 * * MON,TUE')).to eq('At 9:46 AM, only on Monday and Tuesday')
      end

      it 'twice a week 0,6' do
        expect(desc('46 9 * * 0,6')).to eq('At 9:46 AM, only on Sunday and Saturday')
      end

      it 'twice a week 6,7' do
        expect(desc('46 9 * * 6,7')).to eq('At 9:46 AM, only on Saturday and Sunday')
      end
    end

    context 'twice a week non zero based:' do
      it 'twice a week 1,2' do
        expect(desc('46 9 * * 1,2', opts)).to eq('At 9:46 AM, only on Sunday and Monday')
      end

      it 'twice a week SUN,MON' do
        expect(desc('46 9 * * SUN,MON', opts)).to eq('At 9:46 AM, only on Sunday and Monday')
      end

      it 'twice a week 6,7' do
        expect(desc('46 9 * * 6,7', opts)).to eq('At 9:46 AM, only on Friday and Saturday')
      end
    end

    it 'day of month' do
      expect(desc('23 12 15 * *')).to eq('At 12:23 PM, on day 15 of the month')
    end

    it 'day of month with day of week' do
      expect(desc('23 12 15 * SUN')).to eq('At 12:23 PM, on day 15 of the month, only on Sunday')
    end

    it 'month name' do
      expect(desc('23 12 * JAN *')).to eq('At 12:23 PM, only in January')
    end

    it 'day of month with question mark' do
      expect(desc('23 12 ? JAN *')).to eq('At 12:23 PM, only in January')
    end

    it 'month name range 2' do
      expect(desc('23 12 * JAN-FEB *')).to eq('At 12:23 PM, January through February')
    end

    it 'month name range 3' do
      expect(desc('23 12 * JAN-MAR *')).to eq('At 12:23 PM, January through March')
    end

    it 'day of week name' do
      expect(desc('23 12 * * SUN')).to eq('At 12:23 PM, only on Sunday')
    end

    context 'day of week range:' do
      it 'day of week range MON-FRI' do
        expect(desc('*/5 15 * * MON-FRI')).to eq('Every 5 minutes, at 3:00 PM, Monday through Friday')
      end

      it 'day of week range 0-6' do
        expect(desc('*/5 15 * * 0-6')).to eq('Every 5 minutes, at 3:00 PM, Sunday through Saturday')
      end

      it 'day of week range 6-7' do
        expect(desc('*/5 15 * * 6-7')).to eq('Every 5 minutes, at 3:00 PM, Saturday through Sunday')
      end
    end

    context 'day of week once in month:' do
      it 'day of week once MON#3' do
        expect(desc('* * * * MON#3')).to eq('Every minute, on the third Monday of the month')
      end

      it 'day of week once 0#3' do
        expect(desc('* * * * 0#3')).to eq('Every minute, on the third Sunday of the month')
      end
    end

    context 'last day of week of the month:' do
      it 'last day of week 4L' do
        expect(desc('* * * * 4L')).to eq('Every minute, on the last Thursday of the month')
      end

      it 'last day of week 0L' do
        expect(desc('* * * * 0L')).to eq('Every minute, on the last Sunday of the month')
      end
    end

    context 'last day of the month:' do
      it 'on the last day of the month' do
        expect(desc('*/5 * L JAN *')).to eq('Every 5 minutes, on the last day of the month, only in January')
      end

      it 'between a day and last day of the month' do
        expect(desc('*/5 * 23-L JAN *')).to eq('Every 5 minutes, between day 23 and the last day of the month, only in January')
      end
    end

    it 'time of day with seconds' do
      expect(desc('30 02 14 * * *')).to eq('At 2:02:30 PM')
    end

    it 'second intervals' do
      expect(desc('5-10 * * * * *')).to eq('Seconds 5 through 10 past the minute')
    end

    it 'second minutes hours intervals' do
      expect(desc('5-10 30-35 10-12 * * *')).to eq(
        'Seconds 5 through 10 past the minute, minutes 30 through 35 past the hour, between 10:00 AM and 12:59 PM')
    end

    it 'every 5 minutes at 30 seconds' do
      expect(desc('30 */5 * * * *')).to eq('At 30 seconds past the minute, every 5 minutes')
    end

    it 'minutes past the hour range' do
      expect(desc('0 30 10-13 ? * WED,FRI')).to eq(
        'At 30 minutes past the hour, between 10:00 AM and 1:59 PM, only on Wednesday and Friday')
    end

    it 'seconds past the minute interval' do
      expect(desc('10 0/5 * * * ?')).to eq('At 10 seconds past the minute, every 5 minutes')
    end

    it 'between with interval' do
      expect(desc('2-59/3 1,9,22 11-26 1-6 ?')).to eq(
        'Every 3 minutes, minutes 02 through 59 past the hour, at 1:00 AM, 9:00 AM and 10:00 PM, between day 11 and 26 of the month, January through June')
    end

    it 'recurring first of month' do
      expect(desc('0 0 6 1/1 * ?')).to eq('At 6:00 AM')
    end

    it 'minutes past the hour' do
      expect(desc('0 5 0/1 * * ?')).to eq('At 05 minutes past the hour')
    end

    it 'every past the hour' do
      expect(desc('0 0,5,10,15,20,25,30,35,40,45,50,55 * ? * *')).to eq(
        'At 00, 05, 10, 15, 20, 25, 30, 35, 40, 45, 50 and 55 minutes past the hour')
    end

    it 'every X minutes past the hour with interval' do
      expect(desc('0 0-30/2 17 ? * MON-FRI')).to eq(
        'Every 2 minutes, minutes 00 through 30 past the hour, at 5:00 PM, Monday through Friday')
    end

    it 'every X days with interval' do
      expect(desc('30 7 1-L/2 * *')).to eq('At 7:30 AM, every 2 days, between day 1 and the last day of the month')
    end

    it 'one year only with seconds' do
      expect(desc('* * * * * * 2013')).to eq('Every second, only in 2013')
    end

    it 'one year only without seconds' do
      expect(desc('* * * * * 2013')).to eq('Every minute, only in 2013')
    end

    it 'two years only' do
      expect(desc('* * * * * 2013,2014')).to eq('Every minute, only in 2013 and 2014')
    end

    it 'year range 2' do
      expect(desc('23 12 * JAN-FEB * 2013-2014')).to eq('At 12:23 PM, January through February, 2013 through 2014')
    end

    it 'year range 3' do
      expect(desc('23 12 * JAN-MAR * 2013-2015')).to eq('At 12:23 PM, January through March, 2013 through 2015')
    end

    context 'multi part range seconds:' do
      it 'multi part range seconds 2,4-5' do
        expect(desc('2,4-5 1 * * *')).to eq('Minutes 02,04 through 05 past the hour, at 1:00 AM')
      end

      it 'multi part range seconds 2,26-28' do
        expect(desc('2,26-28 18 * * *')).to eq('Minutes 02,26 through 28 past the hour, at 6:00 PM')
      end
    end

    context 'minutes past the hour:' do
      it 'minutes past the hour 5,10, midnight hour' do
        expect(desc('5,10 0 * * *')).to eq('At 05 and 10 minutes past the hour, at 12:00 AM')
      end

      it 'minutes past the hour 5,10' do
        expect(desc('5,10 * * * *')).to eq('At 05 and 10 minutes past the hour')
      end

      it 'minutes past the hour 5,10 day 2' do
        expect(desc('5,10 * 2 * *')).to eq('At 05 and 10 minutes past the hour, on day 2 of the month')
      end

      it 'minutes past the hour 5/10 day 2' do
        expect(desc('5/10 * 2 * *')).to eq('Every 10 minutes, starting at 05 minutes past the hour, on day 2 of the month')
      end
    end

    context 'seconds past the minute:' do
      it 'seconds past the minute 5,6, midnight hour' do
        expect(desc('5,6 0 0 * * *')).to eq('At 5 and 6 seconds past the minute, at 12:00 AM')
      end

      it 'seconds past the minute 5,6' do
        expect(desc('5,6 0 * * * *')).to eq('At 5 and 6 seconds past the minute')
      end

      it 'seconds past the minute 5,6 at 1' do
        expect(desc('5,6 0 1 * * *')).to eq('At 5 and 6 seconds past the minute, at 1:00 AM')
      end

      it 'seconds past the minute 5,6 day 2' do
        expect(desc('5,6 0 * 2 * *')).to eq('At 5 and 6 seconds past the minute, on day 2 of the month')
      end
    end

    context 'increments starting at X > 1:' do
      it 'second increments' do
        expect(desc('5/15 0 * * * *')).to eq('Every 15 seconds, starting at 5 seconds past the minute')
      end

      it 'minute increments' do
        expect(desc('30/10 * * * *')).to eq('Every 10 minutes, starting at 30 minutes past the hour')
      end

      it 'hour increments' do
        expect(desc('0 30 2/6 * * ?')).to eq('At 30 minutes past the hour, every 6 hours, starting at 2:00 AM')
      end

      it 'day of month increments' do
        expect(desc('0 30 8 2/7 * *')).to eq('At 8:30 AM, every 7 days, starting on day 2 of the month')
      end

      it 'day of week increments' do
        expect(desc('0 30 11 * * 2/2')).to eq('At 11:30 AM, every 2 days of the week, starting on Tuesday')
      end

      it 'month increments' do
        expect(desc('0 20 10 * 2/3 THU')).to eq('At 10:20 AM, only on Thursday, every 3 months, starting in February')
      end

      it 'year increments' do
        expect(desc('0 0 0 1 MAR * 2010/5')).to eq('At 12:00 AM, on day 1 of the month, only in March, every 5 years, starting in 2010')
      end
    end

    context 'strict_quartz' do
      it '5 part cron fails' do
        expect { desc('* * * * *', strict_quartz: true) }.to raise_error(Cronex::ExpressionError)
      end
    end

    context 'timezone' do
      it 'minute span' do
        tz = TZInfo::Timezone.get('America/Los_Angeles')
        hour = tz.period_for_local(Time.now).zone_identifier.to_s == 'PDT' ? 4 : 3
        expect(desc('0-10 11 * * *', timezone: 'America/Los_Angeles')).to eq("Every minute between #{hour}:00 AM and #{hour}:10 AM")
      end

      it 'twice a day' do
        tz = TZInfo::Timezone.get('America/Los_Angeles')
        hour = tz.period_for_local(Time.now).zone_identifier.to_s == 'PDT' ? 5 : 4
        expect(desc('0 0,12 * * *', timezone: 'America/Los_Angeles')).to eq("At #{hour}:00 PM and #{hour}:00 AM")
      end

      it 'ahead of GMT' do
        tz = TZInfo::Timezone.get('Europe/Vienna')
        hour = tz.period_for_local(Time.now).zone_identifier.to_s == 'CEST' ? 1 : 12
        expect(desc('0-10 11 * * *', timezone: 'Europe/Vienna')).to eq("Every minute between #{hour}:00 PM and #{hour}:10 PM")
      end
    end
  end
end