git ssb

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var combine = require('depject')
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var entry = require('depject/entry')
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var electron = require('electron')
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var h = require('mutant/h')
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var when = require('mutant/when')
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var onceTrue = require('mutant/once-true')
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var computed = require('mutant/computed')
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var catchLinks = require('./lib/catch-links')
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var insertCss = require('insert-css')
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var nest = require('depnest')
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var LatestUpdate = require('./lib/latest-update')
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var ref = require('ssb-ref')
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var setupContextMenuAndSpellCheck = require('./lib/context-menu-and-spellcheck')
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module.exports = function (config) {
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  var sockets = combine(
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    overrideConfig(config),
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    addCommand('app.navigate', setView),
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    require('patchwork-gatherings'),
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    require('./modules'),
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    require('./plugs'),
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    require('patchcore'),
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    require('./overrides')
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  )
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  var api = entry(sockets, nest({
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    'config.sync.load': 'first',
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    'keys.sync.id': 'first',
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    'sbot.obs.connection': 'first',
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    'sbot.async.get': 'first',
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    'blob.sync.url': 'first',
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    'page.html.render': 'first',
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    'app.html.search': 'first',
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    'app.views': 'first',
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    'app.sync.externalHandler': 'first',
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    'app.html.progressNotifier': 'first',
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    'profile.sheet.edit': 'first',
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    'app.navigate': 'first'
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  }))
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  setupContextMenuAndSpellCheck(api.config.sync.load())
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  var id = api.keys.sync.id()
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  var latestUpdate = LatestUpdate()
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  // prompt to setup profile on first use
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  onceTrue(api.sbot.obs.connection, (sbot) => {
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    sbot.latestSequence(sbot.id, (_, key) => {
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      if (key == null) {
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        api.profile.sheet.edit()
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      }
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    })
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  })
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  var views = api.app.views(api.page.html.render, [
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    '/public', '/private', id, '/mentions'
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  ])
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  insertCss(require('./styles'))
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  var container = h(`MainWindow -${process.platform}`, [
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    h('div.top', [
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      h('span.history', [
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        h('a', {
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          'ev-click': views.goBack,
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          classList: [ when(views.canGoBack, '-active') ]
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        }),
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        h('a', {
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          'ev-click': views.goForward,
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          classList: [ when(views.canGoForward, '-active') ]
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        })
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      ]),
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      h('span.nav', [
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        tab('Public', '/public'),
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        tab('Private', '/private')
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      ]),
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      h('span.appTitle', ['Patchwork']),
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      h('span', [ api.app.html.search(api.app.navigate) ]),
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      h('span.nav', [
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        tab('Profile', id),
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        tab('Mentions', '/mentions')
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      ])
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    ]),
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    when(latestUpdate,
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      h('div.info', [
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        h('a.message -update', { href: 'https://github.com/ssbc/patchwork/releases' }, [
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          h('strong', ['Patchwork ', latestUpdate, ' has been released.']), ' Click here to download and view more info!'
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        ])
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      ])
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    ),
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    api.app.html.progressNotifier(),
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    views.html
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  ])
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  catchLinks(container, (href, external) => {
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    if (external) {
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      electron.shell.openExternal(href)
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    } else if (ref.isBlob(href)) {
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      electron.shell.openExternal(api.blob.sync.url(href))
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    } else if (ref.isMsg(href)) {
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      getExternalHandler(href, (err, handler) => {
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        if (err) throw err
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        if (handler) {
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          handler(href)
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        } else {
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          api.app.navigate(href)
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        }
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      })
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    } else {
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      api.app.navigate(href)
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    }
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  })
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  return container
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  // scoped
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  function setView (href) {
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    views.setView(href)
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  }
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  function getExternalHandler (key, cb) {
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    api.sbot.async.get(key, function (err, value) {
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      if (err) return cb(err)
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      cb(null, api.app.sync.externalHandler({key, value}))
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    })
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  }
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  function tab (name, view) {
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    var instance = views.get(view)
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    return h('a', {
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      'ev-click': function (ev) {
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        if (instance.pendingUpdates && instance.pendingUpdates() && instance.reload) {
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          instance.reload()
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        }
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      },
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      href: view,
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      classList: [
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        when(selected(view), '-selected')
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      ]
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    }, [
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      name,
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      when(instance.pendingUpdates, [
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        ' (', instance.pendingUpdates, ')'
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      ])
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    ])
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  }
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  function selected (view) {
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    return computed([views.currentView, view], (currentView, view) => {
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      return currentView === view
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    })
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  }
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}
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function overrideConfig (config) {
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  return {
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    'patchwork/config': {
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      gives: nest('config.sync.load'),
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      create: function (api) {
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        return nest('config.sync.load', () => config)
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      }
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    }
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  }
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}
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function addCommand (id, cb) {
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  return {
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    [`patchwork/command/${id}`]: {
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      gives: nest(id),
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      create: function (api) {
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        return nest(id, cb)
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      }
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    }
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  }
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}
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