From ecabd1df717804178ed1d4ab533e85bcd487a433 Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Sat, 18 Aug 2018 12:34:05 -0700
Subject: Render ssb-igo messages

---
 lib/render-msg.js | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/lib/render-msg.js b/lib/render-msg.js
index 5fcf9ff..8251905 100644
--- a/lib/render-msg.js
+++ b/lib/render-msg.js
@@ -153,6 +153,7 @@ RenderMsg.prototype.wrapMini = function (content, cb) {
 }
 
 RenderMsg.prototype.actions = function () {
+  var lastMove
   return this.msg.key ?
     h('form', {method: 'post', action: ''},
       this.msg.rel ? [this.msg.rel, ' '] : '',
@@ -163,6 +164,8 @@ RenderMsg.prototype.actions = function () {
           title: 'view post edit diff'}, 'diff'), ' '] : '',
       this.c.type === 'gathering' ? [
         h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
+      this.c.type === 'ssb-igo' && (lastMove = this.c.values[0] && this.c.values[0].lastMove) ? [
+        h('a', {href: this.render.toUrl(lastMove)}, 'previous'), ' '] : '',
       /^(ssb_)?chess_/.test(this.c.type) ? [
         h('a', {href: this.toUrl(this.msg.key) + '?full',
           title: 'view full game board'}, 'full'), ' '] : '',
@@ -308,6 +311,7 @@ RenderMsg.prototype.message = function (cb) {
     case 'edit': return this.edit(cb)
     case 'dark-crystal/shard': return this.shard(cb)
     case 'invite': return this.invite(cb)
+    case 'ssb-igo': return this.igo(cb)
     default: return this.object(cb)
   }
 }
@@ -1946,3 +1950,109 @@ RenderMsg.prototype.invite = function (cb) {
     ]), cb)
   })
 }
+
+RenderMsg.prototype.pickIgoFn = function () {
+  switch (this.c.tag) {
+    case 'App.IgoMsg.Kibitz': return this.igoKibitz
+    case 'App.IgoMsg.OfferMatch': return this.igoOfferMatch
+    case 'App.IgoMsg.AcceptMatch': return this.igoAcceptMatch
+    case 'App.IgoMsg.PlayMove': return this.igoPlayMove
+  }
+}
+
+RenderMsg.prototype.igo = function (cb) {
+  var self = this
+  var fn = self.pickIgoFn()
+  if (!fn) return self.object(cb)
+  var done = multicb({pluck: 1})
+  u.toArray(this.c.values).forEach(function (value) {
+    fn.call(self, value, done())
+  })
+  done(function (err, els) {
+    if (err) return self.wrap(u.renderError(err), cb)
+    if (els.length === 1 && els[0].tagName === 'span')  return self.wrapMini(els[0], cb)
+    self.wrap(h('div', els), cb)
+  })
+}
+
+RenderMsg.prototype.igoKibitz = function (value, cb) {
+  var self = this
+  var text = value && value.text
+  self.link(value.move, function (err, moveLink) {
+    cb(null, h('div', [
+      h('div', h('small', h('span.symbol', '  ↳'), ' ', moveLink || '?')),
+      text ? h('div', {innerHTML: self.render.markdown(text)}) : ''
+    ]))
+  })
+}
+
+RenderMsg.prototype.igoOfferMatch = function (value, cb) {
+  var self = this
+  var terms = self.c.terms || {}
+  var size = Number(terms.size)
+  var komi = Number(terms.komi)
+  var handicap = Number(terms.handicap)
+  var opponentId = value.opponentKey
+  /*
+  var myColor = self.c.myColor || {}
+  var color =
+    myColor.tag === 'App.IgoMsg.Black' ? 'black ●' :
+    myColor.tag === 'App.IgoMsg.White' ? 'white ○' :
+    '?'
+  */
+  self.link(opponentId, function (err, opponentLink) {
+    cb(null, h('span', [
+      'invites ',
+      opponentLink,
+      ' to play Go'
+    ]))
+  })
+}
+
+RenderMsg.prototype.igoAcceptMatch = function (value, cb) {
+  var self = this
+  /*
+  var terms = self.c.terms || {}
+  var size = Number(terms.size)
+  var komi = Number(terms.komi)
+  var handicap = Number(terms.handicap)
+  */
+  self.getMsg(value.offerKey, function (err, offerMsg) {
+    if (err) return cb(err)
+    self.link(offerMsg && offerMsg.value.author, function (err, offerAuthorLink) {
+      if (err) return cb(err)
+      cb(null, h('span',
+        'accepts ',
+        h('a', {href: self.toUrl(offerMsg && offerMsg.key)}, 'invitation to play Go'), ' ',
+        'with ', offerAuthorLink
+      ))
+    })
+  })
+}
+
+RenderMsg.prototype.igoPlayMove = function (value, cb) {
+  var self = this
+  // value.subjectiveMoveNum
+  var move = value.move || {}
+  if (move.tag === 'App.IgoMsg.PlayStone') {
+    var moveValues = u.toArray(move.values)
+    if (moveValues.length === 1) {
+      var moveValue = moveValues[0]
+      if (moveValue.tag === 'App.IgoMsg.BoardPosition') {
+        var boardPosValues = moveValue.values
+        if (boardPosValues.length === 1) {
+          var boardPos = boardPosValues[0]
+          var x = Number(boardPos.x)
+          var y = Number(boardPos.y)
+          return cb(null, h('span',
+            'placed a stone at ',
+            '[' + x + ', ' + y + ']'))
+        }
+      }
+    }
+  }
+
+  var table = self.valueTable(move, 2, function (err) {
+    cb(err, table)
+  })
+}
-- 
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