git ssb

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var h = require('hyperscript')
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var u = require('../util')
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var suggest = require('suggest-box')
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var cont = require('cont')
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var mentions = require('ssb-mentions')
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var lightbox = require('hyperlightbox')
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exports.suggest = []
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exports.publish = []
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exports.message_content = []
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exports.message_confirm = []
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exports.file_input = []
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//this decorator expects to be the first
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function id (e) { return e }
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exports.message_compose = function (meta, prepublish, sbot) {
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  if('function' !== typeof prepublish)
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    sbot = prepublish, prepublish = id
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  meta = meta || {}
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  if(!meta.type) throw new Error('message must have type')
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  var ta = h('textarea')
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  var blur
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  ta.addEventListener('focus', function () {
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    clearTimeout(blur)
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    ta.style.height = '200px'
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  })
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  ta.addEventListener('blur', function () {
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    //don't shrink right away, so there is time
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    //to click the publish button.
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    clearTimeout(blur)
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    blur = setTimeout(function () {
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      ta.style.height = '50px'
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    }, 200)
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  })
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  ta.addEventListener('keydown', function (ev) {
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    if(ev.keyCode === 13 && ev.ctrlKey) publish()
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  })
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  var files = []
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  function publish() {
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    meta.text = ta.value
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    meta.mentions = mentions(ta.value).concat(files)
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    try {
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      meta = prepublish(meta)
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    } catch (err) {
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      return alert(err.message)
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    }
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    u.firstPlug(exports.message_confirm, meta, sbot)
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  }
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  var composer =
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  h('div', h('div.column', ta,
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    h('div.row',
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      u.firstPlug(exports.file_input, function (file) {
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        files.push(file)
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        var embed = file.type.indexOf('image/') === 0 ? '!' : ''
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        ta.value += embed + '['+file.name+']('+file.link+')'
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        console.log('added:', file)
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      }),
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      h('button', 'publish', {onclick: publish}))
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    )
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  )
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  suggest(ta, function (word, cb) {
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    cont.para(exports.suggest.map(function (fn) {
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      return function (cb) { fn(word, sbot, cb) }
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    }))
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    (function (err, results) {
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      if(err) console.error(err)
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      results = results.reduce(function (ary, item) {
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        return ary.concat(item)
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      }, []).sort(function (a, b) {
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        return b.rank - a.rank
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      }).filter(Boolean)
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      cb(null, results)
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    })
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  }, {})
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  return composer
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}
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