function BBSpoiler(link) {
  if ($(link.nextSibling).has_class('hidden')) {
    $(link.nextSibling).gshow();
    $(link).html('Hide');
    if ($(link).attr("value")) {
      $(link).attr("value", "Hide" + $(link).attr("value").substring(4))
    }
  } else {
    $(link.nextSibling).ghide();
    $(link).html('Show');
    if ($(link).attr("value")) {
      $(link).attr("value", "Show" + $(link).attr("value").substring(4))
    }
  }
}

function wrapSelected(box, wrap, offset) {
  if (!Array.isArray(wrap)) wrap = [wrap, wrap]
  if (wrap.length < 2) wrap[1] = wrap[0]
  var s = box.selectionStart
  var e = box.selectionEnd
  var v = box.value
  box.value = v.slice(0,s)+wrap[0]+v.slice(s,e)+wrap[1]+v.slice(e)
  box.focus()
  box.selectionEnd = (offset!==undefined?s+offset:e+wrap[0].length)
}

function EmojiBox(box) {
  let opened = false
  let emojis = ['😀','😁','😂','🤣','😃','😄','😅','😆','😉','😊','😋','😎','😍','😘','😗','😙','😚','🙂','🤗','🤔','😐','😑','😶','🙄','😏','😣','😥','😮','🤐','😯','😪','😫','😴','😌','😛','😜','😝','🤤','😒','😓','😔','😕','🙃','🤑','😲','🙁','😖','😞','😟','😤','😢','😭','😦','😧','😨','😩','😬','😰','😱','😳','😵','😡','😠','😷','🤒','🤕','🤢','🤧','😇','🤠','🤡','🤥','🤓','\n','😈','👿','👹','👺','💀','👻','👽','🤖','💩','😺','😸','😹','😻','😼','😽','🙀','😿','😾','\n','🍇','🍈','🍉','🍊','🍋','🍌','🍍','🍎','🍏','🍐','🍑','🍒','🍓','🥝','🍅','🥑','🍆','🥔','🥕','🌽','🌶','🥒','🍄','🥜','🌰','🍞','🥐','🥖','🥞','🧀','🍖','🍗','🥓','🍔','🍟','🍕','🌭','🌮','🌯','🍳','🍲','🥗','🍿','🍱','🍘','🍙','🍚','🍛','🍜','🍝','🍠','🍢','🍣','🍤','🍥','🍡','🍦','🍧','🍨','🍩','🍪','🎂','🍰','🍫','🍬','🍭','🍮','🍯','🍼','🥛','🍵','🍶','🍾','🍷','🍸','🍹','🍺','🍻','🥂','🥃','🍽','🍴','🥄','\n','🛀','🛌','💌','💣','🕳','🛍','📿','💎','🔪','🏺','🗺','💈','🛢','🛎','⌛','⏳','⌚','⏰','⏱','⏲','🕰','🌡','⛱','🎈','🎉','🎊','🎎','🎏','🎐','🎀','🎁','🔮','🕹','🖼','📯','🎙','🎚','🎛','📻','📱','📲','📞','📟','📠','🔋','🔌','💻','🖥','🖨','🖱','🖲','💽','💾','💿','📀','🎥','🎞','📽','📺','📷','📸','📹','📼','🔍','🔎','🕯','💡','🔦','🏮','📔','📕','📖','📗','📘','📙','📚','📓','📃','📜','📄','📰','🗞','📑','🔖','🏷','💰','💴','💵','💶','💷','💸','💳','📧','📨','📩','📤','📥','📦','📫','📪','📬','📭','📮','🗳','🖋','🖊','🖌','🖍','📝','📁','📂','🗂','📅','📆','🗒','🗓','📇','📈','📉','📊','📋','📌','📍','📎','🖇','📏','📐','🗃','🗄','🗑','🔒','🔓','🔏','🔐','🔑','🗝','🔨','⛏','🛠','🗡','🔫','🛡','🔧','🔩','🗜','🔗','⛓','🔬','🔭','📡','💉','💊','🚪','🛏','🛋','🚽','🚿','🛁','🚬','🗿','🚰','\n','💪','👈','👉','👆','🖕','👇','🤞','🖖','🤘','🖐','✋','👌','👍','👎','✊','👊','🤛','🤜','🤚','👋','👏','👐','🙌','🙏','🤝']


  let ebox = document.createElement('div')
  ebox.className = 'emoji_box border'
  for (let emoji of emojis) {
    if (emoji === '\n') {
      let br = document.createElement('br')
      ebox.appendChild(br)
      continue;
    }
    let a = document.createElement('a')
    a.innerHTML = emoji
    a.addEventListener('click', e => {
      wrapSelected(box, [emoji,''])
      e.stopPropagation()
    })
    ebox.appendChild(a)
  }
  return event => {
    if (!opened) {
      event.target.parentElement.appendChild(ebox)
      let f = e => {
        event.target.nextSibling.remove()
        opened = false
        document.removeEventListener('click', f)
      }
      window.setTimeout(_ => document.addEventListener('click', f), 1)
      opened = true
    }
  }
}

function BBEditor(box) {
  if (box.previousSibling && box.previousSibling.className == 'bbcode_bar') return
  let buttons = [
    {short:'B', name:'Bold', wrap:['[b]','[/b]']},
    {short:'I', name:'Italic', wrap:['[i]','[/i]']},
    {short:'U', name:'Underline', wrap:['[u]','[/u]']},
    {short:'S', name:'Strikethrough', wrap:['[s]','[/s]']},
    {short:'Left', name:'Align Left', wrap:['[align=left]','[/align]']},
    {short:'Center', name:'Align Center', wrap:['[align=center]','[/align]']},
    {short:'Right', name:'Align Right', wrap:['[align=right]','[/align]']},
    {short:'Pre', name:'Preformatted', wrap:['[pre]','[/pre]']},
    {short:'H1', name:'Subheading 1', wrap:'=='},
    {short:'H2', name:'Subheading 2', wrap:'==='},
    {short:'H3', name:'Subheading 3', wrap:'===='},
    {short:'Color', name:'Color', wrap:['[color=]','[/color]'], offset:7},
    {short:'TeX', name:'LaTeX', wrap:['[tex]','[/tex]']},
    {short:'Quote', name:'Quote', wrap:['[quote]','[/quote]']},
    {short:'List', name:'List', wrap:['[*]','']},
    {short:'Hide', name:'Spoiler', wrap:['[spoiler]','[/spoiler]']},
    {short:'Img', name:'Image', wrap:['[img]','[/img]']},
    {short:'Vid', name:'Video', wrap:['[embed]','[/embed]']},
    {short:'Link', name:'Link', wrap:['[url]','[/url]']},
    {short:'Torr', name:'Torrent', wrap:['[torrent]','[/torrent]']},
    {short:'😃', name:'Emoji', func:EmojiBox(box)}
  ]
  let bar = document.createElement('ul')
  bar.className = "bbcode_bar"
  bar.style.width = box.offsetWidth+'px'
  // Let the DOM update and then snap the size again (twice)
  setTimeout(function() {
    bar.style.width = box.offsetWidth+'px'
    bar.style.width = box.offsetWidth+'px'
  }, 1)
  for (let button of buttons) {
    li = document.createElement('li')
    b = document.createElement('a')
    b.setAttribute('title', button.name)
    b.innerHTML = button.short
    if (button.wrap) b.addEventListener('click', e=>wrapSelected(box, button.wrap, button.offset))
    else if (button.func) b.addEventListener('click', button.func)
    li.appendChild(b)
    bar.appendChild(li)
  }
  box.parentNode.insertBefore(bar, box)
}

$(function() {
  $('.bbcode_editor').each((i, el) => BBEditor(el))
  $(document).on('click', '.spoilerButton', e=>BBSpoiler(e.target))
})