'use strict'

import $ from 'jquery'

import Events from '../_events'

const OpeningHoursUI = (($) => {
  // Constants
  const NAME = 'OpeningHoursUI'

  class OpeningHoursUI {
    // Static methods

    static each (callback) {
      $('.js-opening-hours').each((i, e) => {
        callback(i, $(e))
      })
    }

    static init () {
      this.dispose()

      console.log(`${NAME}: init ...`)

      const hours = $.parseJSON($('.oppening-hours-json').html())
      const date = new Date()
      const dateYMD = this.Date_toYMD(date)
      const weekday = [
        'Sunday',
        'Monday',
        'Tuesday',
        'Wednesday',
        'Thursday',
        'Friday',
        'Saturday',
      ]
      const today = weekday[date.getDay()]
      let html =
        '<b class="opening-hours-status opening-hours-status-closed">Closed today</b>'

      if (
        typeof hours.days !== 'undefined' &&
        typeof hours.days[today] !== 'undefined' &&
        hours.days[today].length
      ) {
        html = 'Open today '
        $.each(hours.days[today], (i, v) => {
          if (v.DisplayStart || v.DisplayEnd) {
            if (
              (v.DisplayStart &&
                v.DisplayStart <= dateYMD &&
                v.DisplayEnd &&
                v.DisplayEnd >= dateYMD) ||
              (v.DisplayStart &&
                v.DisplayStart <= dateYMD &&
                !v.DisplayEnd) ||
              (v.DisplayEnd &&
                v.DisplayEnd >= dateYMD &&
                !v.DisplayStart)
            ) {
              html = `Open today from ${v.From} to ${v.Till}`
              return false
            }
          } else {
            if (i > 0) {
              html += ', <br/>'
            }
            html += `from ${v.From} to ${v.Till}`
          }
        })

        html += ' <b class="opening-hours-status"></b>'
      }

      if (
        typeof hours.holidays !== 'undefined' &&
        typeof hours.holidays[dateYMD] !== 'undefined'
      ) {
        html = `<b class="opening-hours-status opening-hours-status-closed">Closed today${
          hours.holidays[dateYMD] ? ` for ${hours.holidays[dateYMD]}` : ''
        }</b>`
      }

      this.each((i, e) => {
        const $e = $(e)
        $e.html(html)
      })
    }

    static Date_toYMD (date) {
      let year, month, day
      year = String(date.getFullYear())
      month = String(date.getMonth() + 1)
      if (month.length == 1) {
        month = `0${month}`
      }
      day = String(date.getDate())
      if (day.length == 1) {
        day = `0${day}`
      }
      return `${year}-${month}-${day}`
    }

    static dispose () {
      console.log(`${NAME}: dispose`)
      this.each((i, e) => {
        $(e).html('')
      })
    }
  }

  $(window).on(`${NAME}.init ${Events.AJAX} ${Events.LOADED}`, () => {
    OpeningHoursUI.init()
  })

  return OpeningHoursUI
})($)

export default OpeningHoursUI