X-Git-Url: https://git.auder.net/variants/Cwda/complete_rules.html?a=blobdiff_plain;f=client%2Fsrc%2Fviews%2FGame.vue;h=177f9eb30d8023cc2abf4557fa9280e302e87494;hb=8418f0d79395f40172b11d62eef8b83112f1d240;hp=984a66bff76c7fd8ecc65e92a2205fefe82847ae;hpb=dc284d90d4f9228fc99e0b39394cbfded23657e5;p=vchess.git

diff --git a/client/src/views/Game.vue b/client/src/views/Game.vue
index 984a66bf..177f9eb3 100644
--- a/client/src/views/Game.vue
+++ b/client/src/views/Game.vue
@@ -1,23 +1,37 @@
 <template lang="pug">
-.row
-  .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
-    input#modalAbort.modal(type="checkbox")
-    div(role="dialog" aria-labelledby="abortBoxTitle")
-      .card.smallpad.small-modal.text-center
-        label.modal-close(for="modalAbort")
-        h3#abortBoxTitle.section {{ st.tr["Terminate game?"] }}
-        button(@click="abortGame") {{ st.tr["Sorry I have to go"] }}
-        button(@click="abortGame") {{ st.tr["Game seems over"] }}
-    BaseGame(:game="game" :vr="vr" ref="basegame"
-      @newmove="processMove" @gameover="gameOver")
-    div Names: {{ game.players[0].name }} - {{ game.players[1].name }}
-    div(v-if="game.score=='*'") Time: {{ virtualClocks[0] }} - {{ virtualClocks[1] }}
-    .button-group(v-if="game.mode!='analyze' && game.score=='*'")
-      button(@click="offerDraw") Draw
-      button(@click="() => abortGame()") Abort
-      button(@click="resign") Resign
-    textarea(v-if="game.score=='*'" v-model="corrMsg")
-    Chat(:players="game.players")
+main
+  input#modalChat.modal(type="checkbox" @click="resetChatColor")
+  div#chatWrap(role="dialog" data-checkbox="modalChat" aria-labelledby="inputChat")
+    #chat.card
+      label.modal-close(for="modalChat")
+      #participants
+        span {{ Object.keys(people).length + " " + st.tr["participant(s):"] }} 
+        span(v-for="p in Object.values(people)" v-if="!!p.name")
+          | {{ p.name }} 
+        span.anonymous(v-if="Object.values(people).some(p => !p.name)")
+          | + @nonymous
+      Chat(:players="game.players" :pastChats="game.chats"
+        :newChat="newChat" @mychat="processChat")
+  .row
+    #aboveBoard.col-sm-12.col-md-9.col-md-offset-3.col-lg-10.col-lg-offset-2
+      span.variant-info {{ game.vname }}
+      button#chatBtn(onClick="doClick('modalChat')") Chat
+      #actions(v-if="game.score=='*'")
+        button(@click="clickDraw" :class="{['draw-' + drawOffer]: true}")
+          | {{ st.tr["Draw"] }}
+        button(v-if="!!game.mycolor" @click="abortGame") {{ st.tr["Abort"] }}
+        button(v-if="!!game.mycolor" @click="resign") {{ st.tr["Resign"] }}
+      #playersInfo
+        p
+          span.name(:class="{connected: isConnected(0)}")
+            | {{ game.players[0].name || "@nonymous" }}
+          span.time(v-if="game.score=='*'") {{ virtualClocks[0] }}
+          span.split-names -
+          span.name(:class="{connected: isConnected(1)}")
+            | {{ game.players[1].name || "@nonymous" }}
+          span.time(v-if="game.score=='*'") {{ virtualClocks[1] }}
+  BaseGame(:game="game" :vr="vr" ref="basegame"
+    @newmove="processMove" @gameover="gameOver")
 </template>
 
 <script>
@@ -28,6 +42,9 @@ import { GameStorage } from "@/utils/gameStorage";
 import { ppt } from "@/utils/datetime";
 import { extractTime } from "@/utils/timeControl";
 import { ArrayFun } from "@/utils/array";
+import { processModalClick } from "@/utils/modalClick";
+import { getScoreMessage } from "@/utils/scoring";
+import params from "@/parameters";
 
 export default {
   name: 'my-game',
@@ -43,12 +60,20 @@ export default {
         id: "",
         rid: ""
       },
-      game: {players:[{name:""},{name:""}]}, //passed to BaseGame
-      corrMsg: "", //to send offline messages in corr games
+      game: { //passed to BaseGame
+        players:[{name:""},{name:""}],
+        rendered: false,
+      },
       virtualClocks: [0, 0], //initialized with true game.clocks
       vr: null, //"variant rules" object initialized from FEN
-      drawOffer: "", //TODO: use for button style
-      people: [], //players + observers
+      drawOffer: "",
+      people: {}, //players + observers
+      lastate: undefined, //used if opponent send lastate before game is ready
+      repeat: {}, //detect position repetition
+      newChat: "",
+      conn: null,
+      page: "",
+      tempId: "", //to distinguish several tabs
     };
   },
   watch: {
@@ -58,9 +83,9 @@ export default {
       this.loadGame();
     },
     "game.clocks": function(newState) {
-      if (this.game.moves.length < 2)
+      if (this.game.moves.length < 2 || this.game.score != "*")
       {
-        // 1st move not completed yet: freeze time
+        // 1st move not completed yet, or game over: freeze time
         this.virtualClocks = newState.map(s => ppt(s));
         return;
       }
@@ -79,253 +104,298 @@ export default {
         {
           clearInterval(clockUpdate);
           if (countdown < 0)
-          {
-            this.$refs["basegame"].endGame(
-              this.vr.turn=="w" ? "0-1" : "1-0", "Time");
-          }
+            this.gameOver(this.vr.turn=="w" ? "0-1" : "1-0", this.st.tr["Time"]);
         }
         else
-        {
-          // TODO: with Vue 3, just do this.virtualClocks[colorIdx] = ppt(--countdown)
           this.$set(this.virtualClocks, colorIdx, ppt(Math.max(0, --countdown)));
-        }
       }, 1000);
     },
   },
-  // TODO: redundant code with Hall.vue (related to people array)
+  // NOTE: some redundant code with Hall.vue (related to people array)
   created: function() {
     // Always add myself to players' list
     const my = this.st.user;
-    this.people.push({sid:my.sid, id:my.id, name:my.name});
+    this.$set(this.people, my.sid, {id:my.id, name:my.name});
     this.gameRef.id = this.$route.params["id"];
     this.gameRef.rid = this.$route.query["rid"]; //may be undefined
-    if (!this.gameRef.rid)
-      this.loadGame(); //local or corr: can load from now
-    // TODO: mode analyse (/analyze/Atomic/rn
-    // ... fen = query[], vname=params[] ...
-    // 0.1] Ask server for room composition:
-    const initialize = () => {
-      // Poll clients + load game if stored remotely
-      this.st.conn.send(JSON.stringify({code:"pollclients"}));
-      if (!!this.gameRef.rid)
-        this.loadGame();
-    };
-    if (!!this.st.conn && this.st.conn.readyState == 1) //1 == OPEN state
-      initialize();
-    else //socket not ready yet (initial loading)
-      this.st.conn.onopen = initialize;
-    this.st.conn.onmessage = this.socketMessageListener;
+    // Initialize connection
+    this.page = this.$route.path;
+    const connexionString = params.socketUrl +
+      "/?sid=" + this.st.user.sid +
+      "&tmpId=" + this.tempId +
+      "&page=" + encodeURIComponent(this.page);
+    this.conn = new WebSocket(connexionString);
+    this.conn.onmessage = this.socketMessageListener;
     const socketCloseListener = () => {
-      store.socketCloseListener(); //reinitialize connexion (in store.js)
-      this.st.conn.addEventListener('message', this.socketMessageListener);
-      this.st.conn.addEventListener('close', socketCloseListener);
+      this.conn = new WebSocket(connexionString);
+      this.conn.addEventListener('message', this.socketMessageListener);
+      this.conn.addEventListener('close', socketCloseListener);
     };
-    this.st.conn.onclose = socketCloseListener;
+    this.conn.onclose = socketCloseListener;
+    // Socket init required before loading remote game:
+    const socketInit = (callback) => {
+      if (!!this.conn && this.conn.readyState == 1) //1 == OPEN state
+        callback();
+      else //socket not ready yet (initial loading)
+        this.conn.onopen = callback;
+    };
+    if (!this.gameRef.rid) //game stored locally or on server
+      this.loadGame(null, () => socketInit(this.roomInit));
+    else //game stored remotely: need socket to retrieve it
+    {
+      // NOTE: the callback "roomInit" will be lost, so we don't provide it.
+      // --> It will be given when receiving "fullgame" socket event.
+      // A more general approach would be to store it somewhere.
+      socketInit(this.loadGame);
+    }
+  },
+  mounted: function() {
+    document.getElementById("chatWrap").addEventListener(
+      "click", processModalClick);
+  },
+  beforeDestroy: function() {
+    this.conn.send(JSON.stringify({code:"disconnect",page:this.page}));
   },
   methods: {
-    getOppSid: function() {
-      if (!!this.game.oppsid)
-        return this.game.oppsid;
-      const opponent = this.people.find(p => p.id == this.game.oppid);
-      return (!!opponent ? opponent.sid : null);
+    // O.1] Ask server for room composition:
+    roomInit: function() {
+      // Notify the room only now that I connected, because
+      // messages might be lost otherwise (if game loading is slow)
+      this.conn.send(JSON.stringify({code:"connect"}));
+      this.conn.send(JSON.stringify({code:"pollclients"}));
+    },
+    isConnected: function(index) {
+      const player = this.game.players[index];
+      // Is it me ?
+      if (this.st.user.sid == player.sid || this.st.user.id == player.uid)
+        return true;
+      // Try to find a match in people:
+      return Object.keys(this.people).some(sid => sid == player.sid) ||
+        Object.values(this.people).some(p => p.id == player.uid);
     },
     socketMessageListener: function(msg) {
       const data = JSON.parse(msg.data);
       switch (data.code)
       {
+        case "duplicate":
+          this.conn.send(JSON.stringify({code:"duplicate",
+            page:"/game/" + this.game.id}));
+          alert(this.st.tr["This tab is now offline"]);
+          break;
         // 0.2] Receive clients list (just socket IDs)
         case "pollclients":
-        {
           data.sockIds.forEach(sid => {
-            this.people.push({sid:sid, id:0, name:""});
+            if (!!this.people[sid])
+              return;
+            this.$set(this.people, sid, {id:0, name:""});
             // Ask only identity
-            this.st.conn.send(JSON.stringify({code:"askidentity", target:sid}));
+            this.conn.send(JSON.stringify({code:"askidentity", target:sid}));
           });
           break;
-        }
         case "askidentity":
-        {
           // Request for identification: reply if I'm not anonymous
           if (this.st.user.id > 0)
           {
-            this.st.conn.send(JSON.stringify(
-              // people[0] instead of st.user to avoid sending email
-              {code:"identity", user:this.people[0], target:data.from}));
+            this.conn.send(JSON.stringify({code:"identity",
+              user: {
+                // NOTE: decompose to avoid revealing email
+                name: this.st.user.name,
+                sid: this.st.user.sid,
+                id: this.st.user.id,
+              },
+              target:data.from}));
           }
           break;
-        }
         case "identity":
-        {
-          let player = this.people.find(p => p.sid == data.user.sid);
-          // NOTE: sometimes player.id fails because player is undefined...
-          // Probably because the event was meant for Hall?
-          if (!player)
-            return;
-          player.id = data.user.id;
-          player.name = data.user.name;
-          // Sending last state only for live games: corr games are complete
-          if (this.game.type == "live" && this.game.oppsid == player.sid)
+          this.$set(this.people, data.user.sid,
+            {id: data.user.id, name: data.user.name});
+          // Ask potentially missed last state, if opponent and I play
+          if (!!this.game.mycolor
+            && this.game.type == "live" && this.game.score == "*"
+            && this.game.players.some(p => p.sid == data.user.sid))
+          {
+            this.conn.send(JSON.stringify({code:"asklastate", target:data.user.sid}));
+          }
+          break;
+        case "asklastate":
+          // Sending last state if I played a move or score != "*"
+          if ((this.game.moves.length > 0 && this.vr.turn != this.game.mycolor)
+              || this.game.score != "*" || this.drawOffer == "sent")
           {
             // Send our "last state" informations to opponent
             const L = this.game.moves.length;
-            this.st.conn.send(JSON.stringify({
+            const myIdx = ["w","b"].indexOf(this.game.mycolor);
+            this.conn.send(JSON.stringify({
               code: "lastate",
-              target: player.sid,
+              target: data.from,
               state:
               {
+                // NOTE: lastMove (when defined) includes addTime
                 lastMove: (L>0 ? this.game.moves[L-1] : undefined),
+                // Since we played a move (or abort or resign),
+                // only drawOffer=="sent" is possible
+                drawSent: this.drawOffer == "sent",
                 score: this.game.score,
                 movesCount: L,
-                drawOffer: this.drawOffer,
-                clocks: this.game.clocks,
+                initime: this.game.initime[1-myIdx], //relevant only if I played
               }
             }));
           }
           break;
-        }
         case "askgame":
-          // Send current (live) game
-          const myGame =
+          // Send current (live) game if I play in (not an observer),
+          // and not asked by opponent (!)
+          if (this.game.type == "live"
+            && this.game.players.some(p => p.sid == this.st.user.sid)
+            && this.game.players.every(p => p.sid != data.from))
           {
-            // Minimal game informations:
-            id: this.game.id,
-            players: this.game.players.map(p => p.name),
-            vid: this.game.vid,
-            timeControl: this.game.timeControl,
-          };
-          this.st.conn.send(JSON.stringify({code:"game",
-            game:myGame, target:data.from}));
+            const myGame =
+            {
+              // Minimal game informations:
+              id: this.game.id,
+              players: this.game.players,
+              vid: this.game.vid,
+              timeControl: this.game.timeControl,
+              score: this.game.score,
+            };
+            this.conn.send(JSON.stringify({code:"game",
+              game:myGame, target:data.from}));
+          }
           break;
         case "newmove":
-          // NOTE: this call to play() will trigger processMove()
-          this.$refs["basegame"].play(data.move,
-            "receive", this.game.vname!="Dark" ? "animate" : null);
-          break;
-        case "lastate": //got opponent infos about last move
-        {
-          const L = this.game.moves.length;
-          if (data.movesCount > L)
+          if (!!data.move.cancelDrawOffer) //opponent refuses draw
           {
-            // Just got last move from him
-            this.$refs["basegame"].play(data.lastMove,
-              "receive", this.game.vname!="Dark" ? "animate" : null);
-            if (data.score != "*" && this.game.score == "*")
-            {
-              // Opponent resigned or aborted game, or accepted draw offer
-              // (this is not a stalemate or checkmate)
-              this.$refs["basegame"].endGame(data.score, "Opponent action");
-            }
-            this.game.clocks = data.clocks; //TODO: check this?
-            this.drawOffer = data.drawOffer; //does opponent offer draw?
+            this.drawOffer = "";
+            // NOTE for corr games: drawOffer reset by player in turn
+            if (this.game.type == "live" && !!this.game.mycolor)
+              GameStorage.update(this.gameRef.id, {drawOffer: ""});
           }
+          this.$set(this.game, "moveToPlay", data.move);
+          break;
+        case "newchat":
+          this.newChat = data.chat;
+          if (!document.getElementById("modalChat").checked)
+            document.getElementById("chatBtn").style.backgroundColor = "#c5fefe";
+          break;
+        case "lastate": //got opponent infos about last move
+          this.lastate = data.state;
+          if (this.game.rendered) //game is rendered (Board component)
+            this.processLastate();
+          //else: will be processed when game is ready
           break;
-        }
         case "resign":
-          this.$refs["basegame"].endGame(
-            this.game.mycolor=="w" ? "1-0" : "0-1", "Resign");
+          this.gameOver(data.side=="b" ? "1-0" : "0-1", "Resign");
           break;
         case "abort":
-          this.$refs["basegame"].endGame("?", "Abort: " + data.msg);
+          this.gameOver("?", "Abort");
           break;
         case "draw":
-          this.$refs["basegame"].endGame("1/2", "Mutual agreement");
+          this.gameOver("1/2", data.message);
           break;
         case "drawoffer":
+          // NOTE: observers don't know who offered draw
           this.drawOffer = "received";
           break;
         case "askfullgame":
-          // TODO: use data.id to retrieve game in indexedDB (but for now only one running game so OK)
-          this.st.conn.send(JSON.stringify({code:"fullgame", game:this.game, target:data.from}));
+          this.conn.send(JSON.stringify({code:"fullgame",
+            game:this.game, target:data.from}));
           break;
         case "fullgame":
-          this.loadGame(data.game);
+          // Callback "roomInit" to poll clients only after game is loaded
+          this.loadGame(data.game, this.roomInit);
           break;
-        // TODO: drawaccepted (click draw button before sending move
-        // ==> draw offer in move)
-        // ==> on "newmove", check "drawOffer" field
         case "connect":
-        {
-          this.people.push({name:"", id:0, sid:data.from});
-          this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
+          this.$set(this.people, data.from, {name:"", id:0});
+          this.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
           break;
-        }
         case "disconnect":
-          ArrayFun.remove(this.people, p => p.sid == data.from);
+          this.$delete(this.people, data.from);
           break;
       }
     },
-    offerDraw: function() {
-      // TODO: also for corr games
-      if (this.drawOffer == "received")
+    // lastate was received, but maybe game wasn't ready yet:
+    processLastate: function() {
+      const data = this.lastate;
+      this.lastate = undefined; //security...
+      const L = this.game.moves.length;
+      if (data.movesCount > L)
       {
-        if (!confirm("Accept draw?"))
-          return;
-        const oppsid = this.getOppSid();
-        if (!!oppsid)
-          this.st.conn.send(JSON.stringify({code:"draw", target:oppsid}));
-        this.$refs["basegame"].endGame("1/2", "Mutual agreement");
+        // Just got last move from him
+        this.$set(this.game, "moveToPlay", Object.assign({}, data.lastMove, {initime: data.initime}));
       }
-      else if (this.drawOffer == "sent")
-        this.drawOffer = "";
-      else
+      if (data.drawSent)
+        this.drawOffer = "received";
+      if (data.score != "*")
       {
-        if (!confirm("Offer draw?"))
-          return;
-        const oppsid = this.getOppSid();
-        if (!!oppsid)
-          this.st.conn.send(JSON.stringify({code:"drawoffer", target:oppsid}));
+        this.drawOffer = "";
+        if (this.game.score == "*")
+          this.gameOver(data.score);
       }
     },
-    // + conn handling: "draw" message ==> agree for draw (if we have "drawOffered" at true)
-    receiveDrawOffer: function() {
-      //if (...)
-      // TODO: ignore if preventDrawOffer is set; otherwise show modal box with option "prevent future offers"
-      // if accept: send message "draw"
-    },
-    abortGame: function(event) {
-      let modalBox = document.getElementById("modalAbort");
-      if (!event)
+    clickDraw: function() {
+      if (!this.game.mycolor)
+        return; //I'm just spectator
+      if (["received","threerep"].includes(this.drawOffer))
       {
-        // First call show options:
-        modalBox.checked = true;
+        if (!confirm(this.st.tr["Accept draw?"]))
+          return;
+        const message = (this.drawOffer == "received"
+          ? "Mutual agreement"
+          : "Three repetitions");
+        Object.keys(this.people).forEach(sid => {
+          if (sid != this.st.user.sid)
+          {
+            this.conn.send(JSON.stringify({code:"draw",
+              message:message, target:sid}));
+          }
+        });
+        this.gameOver("1/2", message);
       }
-      else
+      else if (this.drawOffer == "") //no effect if drawOffer == "sent"
       {
-        modalBox.checked = false; //decision made: box disappear
-        const message = event.target.innerText;
-        // Next line will trigger a "gameover" event, bubbling up till here
-        this.$refs["basegame"].endGame("?", "Abort: " + message);
-        const oppsid = this.getOppSid();
-        if (!!oppsid)
+        if (this.game.mycolor != this.vr.turn)
+          return alert(this.st.tr["Draw offer only in your turn"]);
+        if (!confirm(this.st.tr["Offer draw?"]))
+          return;
+        this.drawOffer = "sent";
+        Object.keys(this.people).forEach(sid => {
+          if (sid != this.st.user.sid)
+            this.conn.send(JSON.stringify({code:"drawoffer", target:sid}));
+        });
+        GameStorage.update(this.gameRef.id, {drawOffer: this.game.mycolor});
+      }
+    },
+    abortGame: function() {
+      if (!this.game.mycolor || !confirm(this.st.tr["Terminate game?"]))
+        return;
+      this.gameOver("?", "Abort");
+      Object.keys(this.people).forEach(sid => {
+        if (sid != this.st.user.sid)
         {
-          this.st.conn.send(JSON.stringify({
+          this.conn.send(JSON.stringify({
             code: "abort",
-            msg: message,
-            target: oppsid,
+            target: sid,
           }));
         }
-      }
+      });
     },
     resign: function(e) {
-      if (!confirm("Resign the game?"))
+      if (!this.game.mycolor || !confirm(this.st.tr["Resign the game?"]))
         return;
-      const oppsid = this.getOppSid();
-      if (!!oppsid)
-      {
-        this.st.conn.send(JSON.stringify({
-          code: "resign",
-          target: oppsid,
-        }));
-      }
-      // Next line will trigger a "gameover" event, bubbling up till here
-      this.$refs["basegame"].endGame(
-        this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
+      Object.keys(this.people).forEach(sid => {
+        if (sid != this.st.user.sid)
+        {
+          this.conn.send(JSON.stringify({code:"resign",
+            side:this.game.mycolor, target:sid}));
+        }
+      });
+      this.gameOver(this.game.mycolor=="w" ? "0-1" : "1-0", "Resign");
     },
     // 3 cases for loading a game:
     //  - from indexedDB (running or completed live game I play)
     //  - from server (one correspondance game I play[ed] or not)
     //  - from remote peer (one live game I don't play, finished or not)
-    loadGame: function(game) {
+    loadGame: function(game, callback) {
       const afterRetrieval = async (game) => {
         const vModule = await import("@/variants/" + game.vname + ".js");
         window.V = vModule.VariantRules;
@@ -341,23 +411,27 @@ export default {
               [ game.players[1], game.players[0] ];
           }
           // corr game: needs to compute the clocks + initime
+          // NOTE: clocks in seconds, initime in milliseconds
           game.clocks = [tc.mainTime, tc.mainTime];
-          game.initime = [0, 0];
-          const L = game.moves.length;
           game.moves.sort((m1,m2) => m1.idx - m2.idx); //in case of
-          if (L >= 3)
+          if (game.score == "*") //otherwise no need to bother with time
           {
-            let addTime = [0, 0];
-            for (let i=2; i<L; i++)
+            game.initime = [0, 0];
+            const L = game.moves.length;
+            if (L >= 3)
             {
-              addTime[i%2] += tc.increment -
-                (game.moves[i].played - game.moves[i-1].played);
+              let addTime = [0, 0];
+              for (let i=2; i<L; i++)
+              {
+                addTime[i%2] += tc.increment -
+                  (game.moves[i].played - game.moves[i-1].played) / 1000;
+              }
+              for (let i=0; i<=1; i++)
+                game.clocks[i] += addTime[i];
             }
-            for (let i=0; i<=1; i++)
-              game.clocks[i] += addTime[i];
+            if (L >= 1)
+              game.initime[L%2] = game.moves[L-1].played;
           }
-          if (L >= 1)
-            game.initime[L%2] = game.moves[L-1].played;
           // Now that we used idx and played, re-format moves as for live games
           game.moves = game.moves.map( (m) => {
             const s = m.squares;
@@ -366,9 +440,10 @@ export default {
               vanish: s.vanish,
               start: s.start,
               end: s.end,
-              message: m.message,
             };
           });
+          // Also sort chat messages (if any)
+          game.chats.sort( (c1,c2) => { return c2.added - c1.added; });
         }
         const myIdx = game.players.findIndex(p => {
           return p.sid == this.st.user.sid || p.uid == this.st.user.id;
@@ -376,17 +451,40 @@ export default {
         if (gtype == "live" && game.clocks[0] < 0) //game unstarted
         {
           game.clocks = [tc.mainTime, tc.mainTime];
-          game.initime[0] = Date.now();
-          if (myIdx >= 0)
+          if (game.score == "*")
+          {
+            game.initime[0] = Date.now();
+            if (myIdx >= 0)
+            {
+              // I play in this live game; corr games don't have clocks+initime
+              GameStorage.update(game.id,
+              {
+                clocks: game.clocks,
+                initime: game.initime,
+              });
+            }
+          }
+        }
+        if (!!game.drawOffer)
+        {
+          if (game.drawOffer == "t") //three repetitions
+            this.drawOffer = "threerep";
+          else
           {
-            // I play in this live game; corr games don't have clocks+initime
-            GameStorage.update(game.id,
+            if (myIdx < 0)
+              this.drawOffer = "received"; //by any of the players
+            else
             {
-              clocks: game.clocks,
-              initime: game.initime,
-            });
+              // I play in this game:
+              if ((game.drawOffer == "w" && myIdx==0) || (game.drawOffer=="b" && myIdx==1))
+                this.drawOffer = "sent";
+              else //all other cases
+                this.drawOffer = "received";
+            }
           }
         }
+        if (!!game.scoreMsg)
+          game.scoreMsg = this.st.tr[game.scoreMsg]; //stored in english
         this.game = Object.assign({},
           game,
           // NOTE: assign mycolor here, since BaseGame could also be VS computer
@@ -400,17 +498,37 @@ export default {
             oppid: (myIdx < 0 ? undefined : game.players[1-myIdx].uid),
           }
         );
+        this.$nextTick(() => {
+          this.game.rendered = true;
+          // Did lastate arrive before game was rendered?
+          if (!!this.lastate)
+            this.processLastate();
+        });
+        this.repeat = {}; //reset: scan past moves' FEN:
+        let repIdx = 0;
+        // NOTE: vr_tmp to obtain FEN strings is redundant with BaseGame
+        let vr_tmp = new V(game.fenStart);
+        game.moves.forEach(m => {
+          vr_tmp.play(m);
+          const fenObj = V.ParseFen( vr_tmp.getFen() );
+          repIdx = fenObj.position + "_" + fenObj.turn;
+          if (!!fenObj.flags)
+            repIdx += "_" + fenObj.flags;
+          this.repeat[repIdx] = (!!this.repeat[repIdx]
+            ? this.repeat[repIdx]+1
+            : 1);
+        });
+        if (this.repeat[repIdx] >= 3)
+          this.drawOffer = "threerep";
+        callback();
       };
       if (!!game)
         return afterRetrieval(game);
       if (!!this.gameRef.rid)
       {
-        // Remote live game
-        // (TODO: send game ID as well, and receiver would pick the corresponding
-        // game in his current games; if allowed to play several)
-        this.st.conn.send(JSON.stringify(
+        // Remote live game: forgetting about callback func... (TODO: design)
+        this.conn.send(JSON.stringify(
           {code:"askfullgame", target:this.gameRef.rid}));
-        // (send moves updates + resign/abort/draw actions)
       }
       else
       {
@@ -420,56 +538,90 @@ export default {
     },
     // Post-process a move (which was just played)
     processMove: function(move) {
-      if (!this.game.mycolor)
-        return; //I'm just an observer
-      // Update storage (corr or live)
+      // Update storage (corr or live) if I play in the game
       const colorIdx = ["w","b"].indexOf(move.color);
+      const nextIdx = ["w","b"].indexOf(this.vr.turn);
       // https://stackoverflow.com/a/38750895
-      const allowed_fields = ["appear", "vanish", "start", "end"];
-      const filtered_move = Object.keys(move)
-        .filter(key => allowed_fields.includes(key))
-        .reduce((obj, key) => {
-          obj[key] = move[key];
-          return obj;
-        }, {});
+      if (!!this.game.mycolor)
+      {
+        const allowed_fields = ["appear", "vanish", "start", "end"];
+        // NOTE: 'var' to see this variable outside this block
+        var filtered_move = Object.keys(move)
+          .filter(key => allowed_fields.includes(key))
+          .reduce((obj, key) => {
+            obj[key] = move[key];
+            return obj;
+          }, {});
+      }
       // Send move ("newmove" event) to people in the room (if our turn)
       let addTime = 0;
       if (move.color == this.game.mycolor)
       {
+        if (this.drawOffer == "received") //I refuse draw
+          this.drawOffer = "";
         if (this.game.moves.length >= 2) //after first move
         {
           const elapsed = Date.now() - this.game.initime[colorIdx];
           // elapsed time is measured in milliseconds
           addTime = this.game.increment - elapsed/1000;
         }
-        let sendMove = Object.assign({}, filtered_move, {addTime: addTime});
-        if (this.game.type == "corr")
-          sendMove.message = this.corrMsg;
-        const oppsid = this.getOppSid();
-        this.people.forEach(p => {
-          if (p.sid != this.st.user.sid)
+        const sendMove = Object.assign({},
+          filtered_move,
           {
-            this.st.conn.send(JSON.stringify({
+            addTime: addTime,
+            cancelDrawOffer: this.drawOffer=="",
+          });
+        Object.keys(this.people).forEach(sid => {
+          if (sid != this.st.user.sid)
+          {
+            this.conn.send(JSON.stringify({
               code: "newmove",
-              target: p.sid,
+              target: sid,
               move: sendMove,
             }));
           }
         });
-        if (this.game.type == "corr" && this.corrMsg != "")
-        {
-          // Add message to last move in BaseGame:
-          // TODO: not very good style...
-          this.$refs["basegame"].setCurrentMessage(this.corrMsg);
-        }
+        // (Add)Time indication: useful in case of lastate infos requested
+        move.addTime = addTime;
       }
       else
         addTime = move.addTime; //supposed transmitted
-      const nextIdx = ["w","b"].indexOf(this.vr.turn);
+      // Update current game object:
+      this.game.moves.push(move);
+      this.game.fen = move.fen;
+      this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
+      // move.initime is set only when I receive a "lastate" move from opponent
+      this.game.initime[nextIdx] = move.initime || Date.now();
+      // If repetition detected, consider that a draw offer was received:
+      const fenObj = V.ParseFen(move.fen);
+      let repIdx = fenObj.position + "_" + fenObj.turn;
+      if (!!fenObj.flags)
+        repIdx += "_" + fenObj.flags;
+      this.repeat[repIdx] = (!!this.repeat[repIdx]
+        ? this.repeat[repIdx]+1
+        : 1);
+      if (this.repeat[repIdx] >= 3)
+        this.drawOffer = "threerep";
+      else if (this.drawOffer == "threerep")
+        this.drawOffer = "";
       // Since corr games are stored at only one location, update should be
       // done only by one player for each move:
-      if (this.game.type == "live" || move.color == this.game.mycolor)
+      if (!!this.game.mycolor &&
+        (this.game.type == "live" || move.color == this.game.mycolor))
       {
+        let drawCode = "";
+        switch (this.drawOffer)
+        {
+          case "threerep":
+            drawCode = "t";
+            break;
+          case "sent":
+            drawCode = this.game.mycolor;
+            break;
+          case "received":
+            drawCode = this.vr.turn;
+            break;
+        }
         if (this.game.type == "corr")
         {
           GameStorage.update(this.gameRef.id,
@@ -478,10 +630,10 @@ export default {
             move:
             {
               squares: filtered_move,
-              message: this.corrMsg,
-              played: Date.now(), //TODO: on server?
-              idx: this.game.moves.length,
+              played: Date.now(),
+              idx: this.game.moves.length - 1,
             },
+            drawOffer: drawCode || "n", //"n" for "None" to force reset (otherwise it's ignored)
           });
         }
         else //live
@@ -490,34 +642,104 @@ export default {
           {
             fen: move.fen,
             move: filtered_move,
-            clocks: this.game.clocks.map((t,i) => i==colorIdx
-              ? this.game.clocks[i] + addTime
-              : this.game.clocks[i]),
-            initime: this.game.initime.map((t,i) => i==nextIdx
-              ? Date.now()
-              : this.game.initime[i]),
+            clocks: this.game.clocks,
+            initime: this.game.initime,
+            drawOffer: drawCode,
           });
         }
       }
-      // Also update current game object:
-      this.game.moves.push(move);
-      this.game.fen = move.fen;
-      //TODO: just this.game.clocks[colorIdx] += addTime;
-      this.$set(this.game.clocks, colorIdx, this.game.clocks[colorIdx] + addTime);
-      this.game.initime[nextIdx] = Date.now();
-      // Finally reset curMoveMessage if needed
-      if (this.game.type == "corr" && move.color == this.game.mycolor)
-        this.corrMsg = "";
     },
-    gameOver: function(score) {
-      this.game.mode = "analyze";
+    resetChatColor: function() {
+      // TODO: this is called twice, once on opening an once on closing
+      document.getElementById("chatBtn").style.backgroundColor = "#e2e2e2";
+    },
+    processChat: function(chat) {
+      this.conn.send(JSON.stringify({code:"newchat", chat:chat}));
+      // NOTE: anonymous chats in corr games are not stored on server (TODO?)
+      if (this.game.type == "corr" && this.st.user.id > 0)
+        GameStorage.update(this.gameRef.id, {chat: chat});
+    },
+    gameOver: function(score, scoreMsg) {
       this.game.score = score;
-      GameStorage.update(this.gameRef.id, { score: score });
+      this.game.scoreMsg = this.st.tr[(!!scoreMsg
+        ? scoreMsg
+        : getScoreMessage(score))];
+      const myIdx = this.game.players.findIndex(p => {
+        return p.sid == this.st.user.sid || p.uid == this.st.user.id;
+      });
+      if (myIdx >= 0) //OK, I play in this game
+      {
+        GameStorage.update(this.gameRef.id,
+          {score: score, scoreMsg: scoreMsg});
+      }
     },
   },
 };
 </script>
 
-<style lang="sass">
-// TODO
+<style lang="sass" scoped>
+.connected
+  background-color: lightgreen
+
+#participants
+  margin-left: 5px
+
+.anonymous
+  color: grey
+  font-style: italic
+
+@media screen and (min-width: 768px)
+  #actions
+    width: 300px
+@media screen and (max-width: 767px)
+  .game
+    width: 100%
+
+#actions
+  display: inline-block
+  margin-top: 10px
+  button
+    display: inline-block
+    margin: 0
+
+@media screen and (max-width: 767px)
+  #aboveBoard
+    text-align: center
+@media screen and (min-width: 768px)
+  #aboveBoard
+    margin-left: 30%
+
+.variant-info
+  font-weight: bold
+  padding-right: 10px
+
+.name
+  font-size: 1.5rem
+  padding: 1px
+
+.time
+  font-size: 2rem
+  display: inline-block
+  margin-left: 10px
+
+.split-names
+  display: inline-block
+  margin: 0 15px
+
+#chat
+  padding-top: 20px
+  max-width: 600px
+  border: none;
+
+#chatBtn
+  margin: 0 10px 0 0
+
+.draw-sent, .draw-sent:hover
+  background-color: lightyellow
+
+.draw-received, .draw-received:hover
+  background-color: lightgreen
+
+.draw-threerep, .draw-threerep:hover
+  background-color: #e4d1fc
 </style>