# app/shared/EventDetailModal/index.coffee
document.head.insertAdjacentHTML('beforeend','<style type="text/tailwindcss">'+stylFns['app/shared/EventDetailModal/index.styl']+'</style>')

module.exports =
  name: 'EventDetailModal'
  render: (new Function '_ctx', '_cache', renderFns['app/shared/EventDetailModal/index.pug'])()
  props:
    isVisible:
      type: Boolean
      default: false
    event:
      type: Object
      required: true
      validator: (value) ->
        value && typeof value == 'object'

  data: ->
    categoryLabels:
      classical: 'Классическая музыка'
      folk: 'Фольклор'
      jazz: 'Джаз'
      pop: 'Поп-музыка'
      dance: 'Танцевальное шоу'
      experimental: 'Экспериментальная музыка'
      theater: 'Театр'
      opera: 'Опера'

  mounted: ->
    @setupKeyboardListeners()

  beforeUnmount: ->
    @removeKeyboardListeners()

  watch:
    isVisible: (newVal) ->
      if newVal
        @$nextTick => @focusFirstInteractiveElement()

  methods:
    getCategoryLabel: (category) ->
      @categoryLabels[category] || category

    getCategoryBadgeClass: (category) ->
      classes =
        classical: 'bg-blue-500 text-white'
        folk: 'bg-green-500 text-white'
        jazz: 'bg-purple-500 text-white'
        pop: 'bg-pink-500 text-white'
        dance: 'bg-orange-500 text-white'
        experimental: 'bg-indigo-500 text-white'
        theater: 'bg-red-500 text-white'
        opera: 'bg-teal-500 text-white'
      
      classes[category] || 'bg-gray-500 text-white'

    formatDateTime: (dateString, timeString) ->
      try
        date = new Date(dateString)
        options = { 
          weekday: 'long',
          year: 'numeric', 
          month: 'long', 
          day: 'numeric'
        }
        formattedDate = date.toLocaleDateString('ru-RU', options)
        "#{formattedDate}, #{timeString}"
      catch error
        console.error 'Error formatting date:', error
        "#{dateString}, #{timeString}"

    bookTickets: ->
      if @event?.availableTickets > 0
        console.log 'Бронирование билетов на:', @event.title
        @$emit 'ticket-booking', @event
        
        # Имитация процесса покупки
        @$root.$emit('open-modal', {
          component: 'TicketPurchaseModal'
          props: { event: @event }
        })
      else
        @$root.$emit('open-modal', {
          component: 'ErrorModal'
          props: {
            title: 'Билеты распроданы'
            content: 'К сожалению, все билеты на это мероприятие уже распроданы.'
          }
        })

    addToCalendar: ->
      console.log 'Добавление в календарь:', @event.title
      @$emit 'add-to-calendar', @event
      
      # Создание ссылки для добавления в календарь
      try
        startDate = new Date("#{@event.date}T#{@event.time}")
        endDate = new Date(startDate.getTime() + 2 * 60 * 60 * 1000) # +2 часа
        
        googleCalendarUrl = @generateGoogleCalendarUrl(startDate, endDate)
        window.open(googleCalendarUrl, '_blank')
      catch error
        console.error 'Error generating calendar event:', error
        # Fallback: показать инструкции
        @showCalendarInstructions()

    generateGoogleCalendarUrl: (startDate, endDate) ->
      title = encodeURIComponent(@event.title)
      details = encodeURIComponent(@event.description)
      location = encodeURIComponent('Концертный зал "Кохи Борбад", Душанбе')
      
      startStr = startDate.toISOString().replace(/[-:]/g, '').split('.')[0] + 'Z'
      endStr = endDate.toISOString().replace(/[-:]/g, '').split('.')[0] + 'Z'
      
      "https://calendar.google.com/calendar/render?action=TEMPLATE&text=#{title}&details=#{details}&location=#{location}&dates=#{startStr}/#{endStr}"

    showCalendarInstructions: ->
      @$root.$emit('open-modal', {
        component: 'InfoModal'
        props: {
          title: 'Добавление в календарь'
          content: 'Скопируйте информацию о мероприятии и добавьте её в ваш календарь вручную.'
        }
      })

    shareOnFacebook: ->
      try
        url = encodeURIComponent(window.location.href)
        text = encodeURIComponent("Посетите \"#{@event.title}\" в Кохи Борбад")
        shareUrl = "https://www.facebook.com/sharer/sharer.php?u=#{url}&quote=#{text}"
        window.open(shareUrl, '_blank', 'width=600,height=400')
      catch error
        console.error 'Error sharing on Facebook:', error

    shareOnTwitter: ->
      try
        text = encodeURIComponent("\"#{@event.title}\" - #{@formatDateTime(@event.date, @event.time)} в Кохи Борбад")
        shareUrl = "https://twitter.com/intent/tweet?text=#{text}"
        window.open(shareUrl, '_blank', 'width=600,height=400')
      catch error
        console.error 'Error sharing on Twitter:', error

    setupKeyboardListeners: ->
      document.addEventListener 'keydown', @handleKeydown

    removeKeyboardListeners: ->
      document.removeEventListener 'keydown', @handleKeydown

    handleKeydown: (event) ->
      if event.key == 'Escape' and @isVisible
        @$emit 'update:isVisible', false
      else if event.key == 'Tab' and @isVisible
        @trapFocus(event)

    trapFocus: (event) ->
      modal = @$el.querySelector('.modal-content')
      return unless modal
      
      focusableElements = modal.querySelectorAll(
        'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
      )
      firstElement = focusableElements[0]
      lastElement = focusableElements[focusableElements.length - 1]

      if event.shiftKey
        if document.activeElement == firstElement
          event.preventDefault()
          lastElement.focus()
      else
        if document.activeElement == lastElement
          event.preventDefault()
          firstElement.focus()

    focusFirstInteractiveElement: ->
      @$nextTick ->
        modal = @$el.querySelector('.modal-content')
        return unless modal
        
        firstInteractive = modal.querySelector(
          'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
        )
        firstInteractive?.focus()

    getTicketAvailabilityClass: ->
      if @event?.availableTickets > 20
        return 'text-green-600 dark:text-green-400'
      else if @event?.availableTickets > 5
        return 'text-orange-600 dark:text-orange-400'
      else if @event?.availableTickets > 0
        return 'text-red-600 dark:text-red-400'
      else
        return 'text-gray-500 dark:text-gray-400'

  emits: ['update:isVisible', 'ticket-booking', 'add-to-calendar']