git ssb

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const nest = require('depnest')
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const {shell} = require('electron')
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const net = require('net')
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exports.gives = nest('app.sync.externalHandler')
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var externalViewer = 'http://git.scuttlebot.io'
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var localViewer = 'http://localhost:7718'
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var gitMessageTypes = [
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  'git-repo',
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  'git-update',
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  'issue',
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  'issue-edit',
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  'pull-request'
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]
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exports.create = (api) => {
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  return nest('app.sync.externalHandler', function (msg) {
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    if (!gitMessageTypes.includes(msg.value.content.type)) return
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    return function gitHandler (id) {
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      portInUse(7718, (useLocal) => {
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        shell.openExternal(`${useLocal ? localViewer : externalViewer}/${encodeURIComponent(id)}`)
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      })
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    }
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  })
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}
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function portInUse (port, cb) {
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  /* eslint-disable standard/no-callback-literal */
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  // super hacky check!
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  var server = net.createServer(function (socket) {})
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  server.listen(port, '127.0.0.1')
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  server.on('error', function (e) {
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    cb(true)
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  })
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  server.on('listening', function (e) {
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    server.close()
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    cb(false)
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  })
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}
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