git ssb

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'use strict'
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var dataurl = require('dataurl-')
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var hyperfile = require('hyperfile')
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var hypercrop = require('hypercrop')
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var hyperlightbox = require('hyperlightbox')
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var h = require('hyperscript')
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var pull = require('pull-stream')
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var getAvatar = require('ssb-avatar')
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var ref = require('ssb-ref')
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var visualize = require('visualize-buffer')
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var self_id = require('../../keys').id
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function crop (d, cb) {
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  var canvas = hypercrop(h('img', {src: d}))
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  return h('div.column.avatar_pic',
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    canvas,
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    //canvas.selection,
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    h('div.row.avatar_pic__controls',
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      h('button', 'okay', {onclick: function () {
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        cb(null, canvas.selection.toDataURL())
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      }}),
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      h('button', 'cancel', {onclick: function () {
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        cb(new Error('canceled'))
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      }})
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    )
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  )
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}
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exports.needs = {
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  message_confirm: 'first',
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  sbot_blobs_add: 'first',
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  blob_url: 'first',
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  sbot_links: 'first',
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  avatar_name: 'first'
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}
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exports.gives = 'avatar_edit'
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exports.create = function (api) {
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  return function (id) {
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    var img = visualize(new Buffer(id.substring(1), 'base64'), 256)
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    img.classList.add('avatar--large')
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    var lb = hyperlightbox()
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    var name_input = h('input', {placeholder: 'rename'})
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    var name = api.avatar_name(id)
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    var selected = null
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    getAvatar({links: api.sbot_links}, self_id, id, function (err, avatar) {
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      if (err) return console.error(err)
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      //don't show user has already selected an avatar.
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      if(selected) return
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      if(ref.isBlob(avatar.image))
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        img.src = api.blob_url(avatar.image)
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    })
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    var also_pictured = h('div.profile__alsopicturedas.wrap')
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    pull(
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      api.sbot_links({dest: id, rel: 'about', values: true}),
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      pull.map(function (e) {
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        return e.value.content.image
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      }),
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      pull.filter(function (e) {
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        return e && 'string' == typeof e.link
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      }),
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      pull.unique('link'),
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      pull.drain(function (image) {
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        also_pictured.appendChild(
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          h('a', {href:'#', onclick: function (ev) {
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              ev.stopPropagation()
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              ev.preventDefault()
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              selected = image
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              img.src = api.blob_url(image.link || image)
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            }},
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            h('img.avatar--thumbnail', {src: api.blob_url(image)})
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          )
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        )
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      })
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    )
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    return h('div.row.profile',
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      lb,
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      img,
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      h('div.column.profile__info',
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        h('strong', name),
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        name_input,
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        hyperfile.asDataURL(function (data) {
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          var el = crop(data, function (err, data) {
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            if(data) {
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              img.src = data
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              var _data = dataurl.parse(data)
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              pull(
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                pull.once(_data.data),
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                api.sbot_blobs_add(function (err, hash) {
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                  //TODO. Alerts are EVIL.
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                  //I use them only in a moment of weakness.
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                  if(err) return alert(err.stack)
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                  selected = {
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                    link: hash,
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                    size: _data.data.length,
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                    type: _data.mimetype,
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                    width: 512,
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                    height: 512
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                  }
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                })
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              )
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            }
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            lb.close()
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          })
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          lb.show(el)
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        }),
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        h('button', 'update', {onclick: function () {
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          if(name_input.value)
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            name.textContent = name_input.value
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          if(selected)
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            api.message_confirm({
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              type: 'about',
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              about: id,
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              name: name_input.value || undefined,
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              image: selected
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            })
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          else if(name_input.value) //name only
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            api.message_confirm({
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              type: 'about',
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              about: id,
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              name: name_input.value || undefined,
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            })
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          else
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            //another moment of weakness
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            alert('must select a name or image')
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        }}),
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      also_pictured
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      )
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    )
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  }
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}
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