class @AwardsHandler
  constructor: (@post_emoji_url, @noteable_type, @noteable_id, @aliases) ->
    $(".add-award").click (event)->
      event.stopPropagation()
      event.preventDefault()
      $(".emoji-menu").show()

    $("html").click ->
      if !$(event.target).closest(".emoji-menu").length
        if $(".emoji-menu").is(":visible")
          $(".emoji-menu").hide()

  addAward: (emoji) ->
    emoji = @normilizeEmojiName(emoji)
    @postEmoji emoji, =>
      @addAwardToEmojiBar(emoji)

    $(".emoji-menu").hide()
    
  addAwardToEmojiBar: (emoji) ->
    emoji = @normilizeEmojiName(emoji)
    if @exist(emoji)
      if @isActive(emoji)
        @decrementCounter(emoji)
      else
        counter = @findEmojiIcon(emoji).siblings(".counter")
        counter.text(parseInt(counter.text()) + 1)
        counter.parent().addClass("active")
        @addMeToAuthorList(emoji)
    else
      @createEmoji(emoji)

  exist: (emoji) ->
    @findEmojiIcon(emoji).length > 0

  isActive: (emoji) ->
    @findEmojiIcon(emoji).parent().hasClass("active")

  decrementCounter: (emoji) ->
    counter = @findEmojiIcon(emoji).siblings(".counter")

    if parseInt(counter.text()) > 1
      counter.text(parseInt(counter.text()) - 1)
      counter.parent().removeClass("active")
      @removeMeFromAuthorList(emoji)
    else
      award = counter.parent()
      award.tooltip("destroy")
      award.remove()

  removeMeFromAuthorList: (emoji) ->
    award_block = @findEmojiIcon(emoji).parent()
    authors = award_block.attr("data-original-title").split(", ")
    authors = _.without(authors, "me").join(", ")
    award_block.attr("title", authors)
    @resetTooltip(award_block)

  addMeToAuthorList: (emoji) ->
    award_block = @findEmojiIcon(emoji).parent()
    authors = award_block.attr("data-original-title").split(", ")
    authors.push("me")
    award_block.attr("title", authors.join(", "))
    @resetTooltip(award_block)

  resetTooltip: (award) ->
    award.tooltip("destroy")

    # "destroy" call is asynchronous and there is no appropriate callnack on it, this is why we need to set timeout.
    setTimeout (->
      award.tooltip()
    ), 200
    

  createEmoji: (emoji) ->
    emojiCssClass = @resolveNameToCssClass(emoji)

    nodes = []
    nodes.push("<div class='award active' title='me'>")
    nodes.push("<div class='icon emoji-icon " + emojiCssClass + "' data-emoji='" + emoji + "'></div>")
    nodes.push("<div class='counter'>1</div>")
    nodes.push("</div>")

    emoji_node = $(nodes.join("\n")).insertBefore(".awards-controls").find(".emoji-icon").data("emoji", emoji)

    $(".award").tooltip()

  resolveNameToCssClass: (emoji) ->
    unicodeName = $(".emoji-menu-content [data-emoji='?']".replace("?", emoji)).data("unicode-name")

    "emoji-" + unicodeName

  postEmoji: (emoji, callback) ->
    $.post @post_emoji_url, { note: {
      note: ":" + emoji + ":"
      noteable_type: @noteable_type
      noteable_id: @noteable_id
    }},(data) ->
      if data.ok
        callback.call()

  findEmojiIcon: (emoji) ->
    $(".award [data-emoji='" + emoji + "']")

  scrollToAwards: ->
    $('body, html').animate({
      scrollTop: $('.awards').offset().top - 80
    }, 200)

  normilizeEmojiName: (emoji) ->
    @aliases[emoji] || emoji