moment = require('moment')
_ = require('lodash')

YEAR_DAYS = ["01-01","01-02","01-03","01-04","01-05","01-06","01-07","01-08","01-09","01-10","01-11","01-12","01-13","01-14","01-15","01-16","01-17","01-18","01-19","01-20","01-21","01-22","01-23","01-24","01-25","01-26","01-27","01-28","01-29","01-30","01-31","02-01","02-02","02-03","02-04","02-05","02-06","02-07","02-08","02-09","02-10","02-11","02-12","02-13","02-14","02-15","02-16","02-17","02-18","02-19","02-20","02-21","02-22","02-23","02-24","02-25","02-26","02-27","02-28","03-01","03-02","03-03","03-04","03-05","03-06","03-07","03-08","03-09","03-10","03-11","03-12","03-13","03-14","03-15","03-16","03-17","03-18","03-19","03-20","03-21","03-22","03-23","03-24","03-25","03-26","03-27","03-28","03-29","03-30","03-31","04-01","04-02","04-03","04-04","04-05","04-06","04-07","04-08","04-09","04-10","04-11","04-12","04-13","04-14","04-15","04-16","04-17","04-18","04-19","04-20","04-21","04-22","04-23","04-24","04-25","04-26","04-27","04-28","04-29","04-30","05-01","05-02","05-03","05-04","05-05","05-06","05-07","05-08","05-09","05-10","05-11","05-12","05-13","05-14","05-15","05-16","05-17","05-18","05-19","05-20","05-21","05-22","05-23","05-24","05-25","05-26","05-27","05-28","05-29","05-30","05-31","06-01","06-02","06-03","06-04","06-05","06-06","06-07","06-08","06-09","06-10","06-11","06-12","06-13","06-14","06-15","06-16","06-17","06-18","06-19","06-20","06-21","06-22","06-23","06-24","06-25","06-26","06-27","06-28","06-29","06-30","07-01","07-02","07-03","07-04","07-05","07-06","07-07","07-08","07-09","07-10","07-11","07-12","07-13","07-14","07-15","07-16","07-17","07-18","07-19","07-20","07-21","07-22","07-23","07-24","07-25","07-26","07-27","07-28","07-29","07-30","07-31","08-01","08-02","08-03","08-04","08-05","08-06","08-07","08-08","08-09","08-10","08-11","08-12","08-13","08-14","08-15","08-16","08-17","08-18","08-19","08-20","08-21","08-22","08-23","08-24","08-25","08-26","08-27","08-28","08-29","08-30","08-31","09-01","09-02","09-03","09-04","09-05","09-06","09-07","09-08","09-09","09-10","09-11","09-12","09-13","09-14","09-15","09-16","09-17","09-18","09-19","09-20","09-21","09-22","09-23","09-24","09-25","09-26","09-27","09-28","09-29","09-30","10-01","10-02","10-03","10-04","10-05","10-06","10-07","10-08","10-09","10-10","10-11","10-12","10-13","10-14","10-15","10-16","10-17","10-18","10-19","10-20","10-21","10-22","10-23","10-24","10-25","10-26","10-27","10-28","10-29","10-30","10-31","11-01","11-02","11-03","11-04","11-05","11-06","11-07","11-08","11-09","11-10","11-11","11-12","11-13","11-14","11-15","11-16","11-17","11-18","11-19","11-20","11-21","11-22","11-23","11-24","11-25","11-26","11-27","11-28","11-29","11-30","12-01","12-02","12-03","12-04","12-05","12-06","12-07","12-08","12-09","12-10","12-11","12-12","12-13","12-14","12-15","12-16","12-17","12-18","12-19","12-20","12-21","12-22","12-23","12-24","12-25","12-26","12-27","12-28","12-29","12-30","12-31"]
LEAP_YEARS = [2000,2004,2008,2012,2016,2020,2024,2028,2032,2036,2040,2044,2048,2052,2056,2060,2064,2068,2072,2076,2080,2084,2088,2092,2096,2100,2104,2108,2112,2116,2120,2124,2128,2132,2136,2140,2144,2148,2152,2156,2160,2164,2168,2172,2176,2180,2184,2188,2192,2196,2200,2204,2208,2212,2216,2220,2224,2228,2232,2236,2240,2244,2248,2252,2256,2260,2264,2268,2272,2276,2280,2284,2288,2292,2296,2300,2304,2308,2312,2316,2320,2324,2328,2332,2336,2340,2344,2348,2352,2356,2360,2364,2368,2372,2376,2380,2384,2388,2392,2396,2400]
FEB_INDEX = 59

today = new Date()
today_array = ((if +token > 9 then token else "0#{+token}") for token in [today.getFullYear(), today.getMonth() + 1, today.getDate()])

module.exports =
  today_array: ->
    today_array

  range: (start, end)->
    start_moment = moment(start, 'YYYY-MM-DD')
    end_moment = moment(end, 'YYYY-MM-DD')

    start_year_moment = moment(start_moment).date(1).month(0)
    end_year_moment = moment(end_moment).date(1).month(0)

    start_index = start_moment.diff(start_year_moment, 'days')
    end_index = end_moment.diff(end_year_moment, 'days') + 1

    range = []

    start_year = parseInt(start_moment.format('YYYY'), 10)
    end_year = parseInt(end_moment.format('YYYY'), 10)

    i = start_year
    start = start_index
    end = -1
    while i <= end_year
      years = _.clone(YEAR_DAYS)
      if _.contains(LEAP_YEARS, i)
        years.splice(FEB_INDEX, 0, '02-29')

      if i == end_year
        end = end_index

      range = range.concat(_.map(years.slice(start, end), (day) ->
        i + '-' + day
      ))
      start = 0
      ++i

    range