git ssb

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var pull = require('pull-stream')
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var ssbKeys = require('ssb-keys')
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var ref = require('ssb-ref')
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var reconnect = require('pull-reconnect')
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var config = require('./config')()
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var createClient = require('ssb-client')
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var createFeed   = require('ssb-feed')
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var keys = require('./keys')
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var CACHE = {}
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var rec = reconnect(function (isConn) {
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  function notify (value) {
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    isConn(value)
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  }
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  createClient(keys, {
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    manifest: require('./manifest.json'),
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    remote: config.remote,
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    caps: config.caps
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  }, function (err, _sbot) {
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    if(err)
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      return notify(err)
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    sbot = _sbot
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    sbot.on('closed', function () {
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      sbot = null
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      notify(new Error('closed'))
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    })
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    notify()
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  })
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})
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var internal = {
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  getLatest: rec.async(function (id, cb) {
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    sbot.getLatest(id, cb)
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  }),
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  add: rec.async(function (msg, cb) {
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    sbot.add(msg, cb)
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  })
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}
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var feed = createFeed(internal, keys, {remote: true})
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module.exports = {
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  createLogStream: rec.source(function (opts) {
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    return pull(
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      sbot.createLogStream(opts),
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      pull.through(function (e) {
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        CACHE[e.key] = CACHE[e.key] || e.value
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      })
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    )
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  }),
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  userStream: rec.source(function (config) {
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    return pull(
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      sbot.createUserStream(config),
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      pull.through(function (e) {
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        CACHE[e.key] = CACHE[e.key] || e.value
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      })
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    )
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  }),
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  backlinks: rec.source(function (query) {
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    return sbot.backlinks.read(query)
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  }),
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  query: rec.source(function (query) {
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    return sbot.query.read(query)
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  }),
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  get: rec.async(function (key, cb) {
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    if('function' !== typeof cb)
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      throw new Error('cb must be function')
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    if(CACHE[key]) cb(null, CACHE[key])
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    else sbot.get(key, function (err, value) {
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      if(err) return cb(err)
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      cb(null, CACHE[key] = value)
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    })
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  }),
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  links: rec.source(function (query) {
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    return sbot.links(query)
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  }),
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  addblob: rec.sink(function (cb)  {
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    return sbot.blobs.add(cb)
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  }),
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  publish: rec.async(function (content, cb) {
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    if(content.recps)
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      content = ssbKeys.box(content, content.recps.map(function (e) {
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        return ref.isFeed(e) ? e : e.link
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      }))
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    else if(content.mentions)
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      content.mentions.forEach(function (mention) {
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        if(ref.isBlob(mention.link)) {
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          sbot.blobs.push(mention.link, function (err) {
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            if(err) console.error(err)
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          })
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        }
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      })
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    feed.add(content, function (err, msg) {
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      if(err) console.error(err)
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      else if(!cb) console.log(msg)
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      cb && cb(err, msg)
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    })
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  })
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}
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