From 5b020e732156ee77d3b15b127aef2df57c2562ad Mon Sep 17 00:00:00 2001
From: Benjamin Auder <benjamin.auder@somewhere>
Date: Wed, 30 Jan 2019 21:10:14 +0100
Subject: [PATCH] Prepare new home

---
 client/next_src/views/Hall.vue                | 176 -----------
 .../views/correspondance_merge_hall.js        | 161 ----------
 client/src/main.js                            |   5 +
 client/src/playCompMove.js                    |   1 -
 client/src/router.js                          |  15 +-
 client/src/views/Home.vue                     | 297 +++++++++++++-----
 client/src/views/Variants.vue                 |  68 ++++
 7 files changed, 309 insertions(+), 414 deletions(-)
 delete mode 100644 client/next_src/views/Hall.vue
 delete mode 100644 client/next_src/views/correspondance_merge_hall.js
 create mode 100644 client/src/views/Variants.vue

diff --git a/client/next_src/views/Hall.vue b/client/next_src/views/Hall.vue
deleted file mode 100644
index c1ef7eb0..00000000
--- a/client/next_src/views/Hall.vue
+++ /dev/null
@@ -1,176 +0,0 @@
-<template>
-  <div class="home">
-    <Home msg="Welcome to Your Vue.js Apppp"/>
-  </div>
-</template>
-
-<script>
-// @ is an alias to /src
-import HelloWorld from "@/components/HelloWorld.vue";
-
-export default {
-  name: "home",
-  components: {
-    HelloWorld,
-  }
-};
-</script>
-
-// main playing hall: chat + online players + current challenges + button "new game"
-// TODO: my-challenge-list, gérant clicks sur challenges, affichage, réception/émission des infos sur challenges ; de même, my-player-list
-// TODO: si on est en train de jouer une partie, le notifier aux nouveaux connectés
-/*
-TODO: surligner si nouveau défi perso et pas affichage courant
-(cadences base + incrément, corr == incr >= 1jour ou base >= 7j)
---> correspondance: stocker sur serveur lastMove + uid + color + movesCount + gameId + variant + timeleft
-fin de partie corr: supprimer partie du serveur au bout de 7 jours (arbitraire)
-main time should be positive (no 0+2 & cie...)
-*/
-// TODO: au moins l'échange des coups en P2P ?
-// TODO: objet game, objet challenge ? et player ?
-Vue.component('my-room', {
-	props: ["conn","settings"],
-	data: function () {
-		return {
-			gdisplay: "live",
-			user: user,
-			liveGames: [],
-			corrGames: [],
-			players: [], //online players
-			challenges: [], //live challenges
-			people: [], //people who connect to this room (or disconnect)
-		};
-	},
-	// Modal new game, and then sub-components
-	template: `
-		<div>
-			<input id="modalNewgame" type="checkbox" class="modal"/>
-			<div role="dialog" aria-labelledby="titleFenedit">
-				<div class="card smallpad">
-					<label id="closeNewgame" for="modalNewgame" class="modal-close">
-					</label>
-					<h3 id="titleFenedit" class="section">
-						{{ translate("Game state (FEN):") }}
-					</h3>
-					<input id="input-fen" type="text"/>
-					<p>TODO: cadence, adversaire (pre-filled if click on name)</p>
-					<p>cadence 2m+12s ou 7d+1d (m,s ou d,d) --> main, increment</p>
-					<p>Note: leave FEN blank for random; FEN only for targeted challenge</p>
-					<button @click="newGame">Launch game</button>
-				</div>
-			</div>
-			<div>
-				<my-chat :conn="conn" :myname="user.name" :people="people"></my-chat>
-				<my-challenge-list :challenges="challenges" @click-challenge="clickChallenge">
-				</my-challenge-list>
-			</div>
-			<button onClick="doClick('modalNewgame')">New game</button>
-			<div>
-				<div style="border:1px solid black">
-					<h3>Online players</h3>
-					<div v-for="p in players" @click="challenge(p)">
-						{{ p.name }}
-					</div>
-				</div>
-				<div class="button-group">
-					<button @click="gdisplay='live'">Live games</button>
-					<button @click="gdisplay='corr'">Correspondance games</button>
-				</div>
-				<my-game-list v-show="gdisplay=='live'" :games="liveGames"
-					@show-game="showGame">
-				</my-game-list>
-				<my-game-list v-show="gdisplay=='corr'" :games="corrGames"
-					@show-game="showGame">
-				</my-game-list>
-			</div>
-		</div>
-	`,
-	created: function() {
-		// TODO: ask server for current corr games (all but mines: names, ID, time control)
-		const socketMessageListener = msg => {
-			const data = JSON.parse(msg.data);
-			switch (data.code)
-			{
-				case "newgame":
-					// TODO: new game just started: data contain all informations
-					// (id, players, time control, fenStart ...)
-					break;
-				// TODO: also receive live games summaries (update)
-				// (just players names, time control, and ID + player ID)
-				case "acceptchallenge":
-					// oppid: opponent socket ID (or DB id if registered)
-					if (true) //TODO: if challenge is full
-						this.newGame(data.challenge, data.user); //user.id et user.name
-					break;
-				case "withdrawchallenge":
-					// TODO
-					break;
-				case "cancelchallenge":
-					// TODO
-					break;
-				// TODO: distinguish these (dis)connect events from their analogs in game.js
-				case "connect":
-					this.players.push({name:data.name, id:data.uid});
-					break;
-				case "disconnect":
-					const pIdx = this.players.findIndex(p => p.id == data.uid);
-					this.players.splice(pIdx);
-					break;
-			}
-		};
-		const socketCloseListener = () => {
-			this.conn.addEventListener('message', socketMessageListener);
-			this.conn.addEventListener('close', socketCloseListener);
-		};
-		this.conn.onmessage = socketMessageListener;
-		this.conn.onclose = socketCloseListener;
-	},
-	methods: {
-		translate: translate,
-		showGame: function(game) {
-			let hash = "#game?id=" + game.id;
-			if (!!game.uid)
-				hash += "&uid=" + game.uid;
-			location.hash = hash;
-		},
-		challenge: function(player) {
-			this.conn.send(JSON.stringify({code:"sendchallenge", oppid:p.id,
-				user:{name:user.name,id:user.id}}));
-		},
-		clickChallenge: function(challenge) {
-			const index = this.challenges.findIndex(c => c.id == challenge.id);
-			const toIdx = challenge.to.findIndex(p => p.id == user.id);
-			const me = {name:user.name,id:user.id};
-			if (toIdx >= 0)
-			{
-				// It's a multiplayer challenge I accepted: withdraw
-				this.conn.send(JSON.stringify({code:"withdrawchallenge",
-					cid:challenge.id, user:me}));
-				this.challenges.to.splice(toIdx, 1);
-			}
-			else if (challenge.from.id == user.id) //it's my challenge: cancel it
-			{
-				this.conn.send(JSON.stringify({code:"cancelchallenge", cid:challenge.id}));
-				this.challenges.splice(index, 1);
-			}
-			else //accept a challenge
-			{
-				this.conn.send(JSON.stringify({code:"acceptchallenge",
-					cid:challenge.id, user:me}));
-				this.challenges[index].to.push(me);
-			}
-		},
-		// user: last person to accept the challenge
-		newGame: function(chall, user) {
-			const fen = chall.fen || V.GenRandInitFen();
-			const game = {}; //TODO: fen, players, time ...
-			//setStorage(game); //TODO
-			game.players.forEach(p => {
-				this.conn.send(
-					JSON.stringify({code:"newgame", oppid:p.id, game:game}));
-			});
-			if (this.settings.sound >= 1)
-				new Audio("/sounds/newgame.mp3").play().catch(err => {});
-		},
-	},
-});
diff --git a/client/next_src/views/correspondance_merge_hall.js b/client/next_src/views/correspondance_merge_hall.js
deleted file mode 100644
index 7dbde157..00000000
--- a/client/next_src/views/correspondance_merge_hall.js
+++ /dev/null
@@ -1,161 +0,0 @@
-Vue.component("my-correspondance", {
-	data: function() {
-		return {
-			userId: user.id,
-			games: [],
-			challenges: [],
-			willPlay: [], //IDs of challenges in which I decide to play (>= 3 players)
-			newgameInfo: {
-				fen: "",
-				vid: 0,
-				nbPlayers: 0,
-				players: [{id:0,name:""},{id:0,name:""},{id:0,name:""}],
-				mainTime: 0,
-				increment: 0,
-			},
-		};
-	},
-	template: `
-		<div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
-			<input id="modalNewgame" type="checkbox" class="modal"/>
-			<div role="dialog" aria-labelledby="titleFenedit">
-				<div class="card smallpad">
-					<label id="closeNewgame" for="modalNewgame" class="modal-close">
-					</label>
-					<fieldset>
-						<label for="selectVariant">{{ translate("Variant") }}</label>
-						<select id="selectVariant" v-model="newgameInfo.vid">
-							<option v-for="v in variants" :value="v.id">
-								{{ v.name }}
-							</option>
-						</select>
-					</fieldset>
-					<fieldset>
-						<label for="selectNbPlayers">
-							{{ translate("Number of players") }}
-						</label>
-						<select id="selectNbPlayers" v-model="newgameInfo.nbPlayers">
-							<option v-show="possibleNbplayers(2)" value="2">2</option>
-							<option v-show="possibleNbplayers(3)" value="3">3</option>
-							<option v-show="possibleNbplayers(4)" value="4">4</option>
-						</select>
-					</fieldset>
-					<fieldset>
-						<label for="timeControl">Time control (in days)</label>
-						<div id="timeControl">
-							<input type="number" v-model="newgameInfo.mainTime"
-								placeholder="Main time"/>
-							<input type="number" v-model="newgameInfo.increment"
-								placeholder="Increment"/>
-						</div>
-					</fieldset>
-					<fieldset>
-						<label for="selectPlayers">{{ translate("Play with?") }}</label>
-						<div id="selectPlayers">
-							<input type="text" v-model="newgameInfo.players[0].name"/>
-							<input v-show="newgameInfo.nbPlayers>=3" type="text"
-								v-model="newgameInfo.players[1].name"/>
-							<input v-show="newgameInfo.nbPlayers==4" type="text"
-								v-model="newgameInfo.players[2].name"/>
-						</div>
-					</fieldset>
-					<fieldset>
-						<label for="inputFen">
-							{{ translate("FEN (ignored if players fields are blank)") }}
-						</label>
-						<input id="inputFen" type="text" v-model="newgameInfo.fen"/>
-					</fieldset>
-					<button @click="newGame">Launch game</button>
-				</div>
-			</div>
-			<p v-if="!userId">
-				Correspondance play is reserved to registered users
-			</p>
-			<div v-if="!!userId">
-				<my-challenge-list :challenges="challenges"
-					@click-challenge="clickChallenge">
-				</my-challenge-list>
-				<button onClick="doClick('modalNewgame')">New game</button>
-				<my-game-list :games="games" @show-game="showGame">
-				</my-game-list>
-			</div>
-		</div>
-	`,
-	computed: {
-		// TODO: this is very artificial...
-		variants: function() {
-			return variantArray;
-		},
-	},
-	created: function() {
-		// use user.id to load challenges + games from server
-	},
-	methods: {
-		translate: translate,
-		clickChallenge: function() {
-			// TODO: accepter un challenge peut lancer une partie, il
-			// faut alors supprimer challenge + creer partie + la retourner et l'ajouter ici
-			// autres actions:
-			// supprime mon défi
-			// accepte un défi
-			// annule l'acceptation d'un défi (si >= 3 joueurs)
-			//
-			// si pas le mien et FEN speciale :: (charger code variante et)
-			// montrer diagramme + couleur (orienté)
-		},
-		showGame: function(g) {
-			// Redirect to /variant#game?id=...
-			location.href="/variant#game?id=" + g.id;
-		},
-		newGame: function() {
-			const afterRulesAreLoaded = () => {
-				// NOTE: side-effect = set FEN
-				// TODO: (to avoid any cheating option) separate the GenRandInitFen() functions
-				// in separate files, load on server and generate FEN on server.
-				const error = checkChallenge(this.newgameInfo, vname);
-				if (!!error)
-					return alert(error);
-				// Possible (server) error if filled player does not exist
-				ajax(
-					"/challenges/" + this.newgameInfo.vid,
-					"POST",
-					this.newgameInfo,
-					response => {
-						const chall = Object.assign({},
-							this.newgameInfo,
-							{
-								id: response.cid,
-								uid: user.id,
-								added: Date.now(),
-								vname: vname,
-							},
-						this.challenges.push(response.challengei);
-					}
-				);
-			};
-			const idxInVariants =
-				variantArray.findIndex(v => v.id == this.newgameInfo.vid);
-			const vname = variantArray[idxInVariants].name;
-			const scriptId = vname + "RulesScript";
-			if (!document.getElementById(scriptId))
-			{
-				// Load variant rules (only once)
-				var script = document.createElement("script");
-				script.id = scriptId;
-				script.onload = afterRulesAreLoaded;
-				//script.addEventListener ("load", afterRulesAreLoaded, false);
-				script.src = "/javascripts/variants/" + vname + ".js";
-				document.body.appendChild(script);
-			}
-			else
-				afterRulesAreLoaded();
-		},
-		possibleNbplayers: function(nbp) {
-			if (this.newgameInfo.vid == 0)
-				return false;
-			const idxInVariants =
-				variantArray.findIndex(v => v.id == this.newgameInfo.vid);
-			return NbPlayers[variantArray[idxInVariants].name].includes(nbp);
-		},
-	},
-});
diff --git a/client/src/main.js b/client/src/main.js
index 46d99abe..97bad754 100644
--- a/client/src/main.js
+++ b/client/src/main.js
@@ -20,6 +20,11 @@ new Vue({
 //  },
   created: function() {
     window.doClick = (elemId) => { document.getElementById(elemId).click() };
+		
+    // TODO: AJAX call get corr games (all variants)
+		// si dernier lastMove sur serveur n'est pas le mien et nextColor == moi, alors background orange
+		// ==> background orange si à moi de jouer par corr (sur main index)
+		// (helper: static fonction "GetNextCol()" dans base_rules.js)
 
     //TODO: si une partie en cours dans storage, rediriger vers cette partie
     //(à condition que l'URL n'y corresponde pas déjà !)
diff --git a/client/src/playCompMove.js b/client/src/playCompMove.js
index 45da5113..d6b0cea9 100644
--- a/client/src/playCompMove.js
+++ b/client/src/playCompMove.js
@@ -5,7 +5,6 @@ onmessage = function(e)
 	{
 		case "scripts":
 			self.importScripts(
-				'//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js',
 				'/javascripts/base_rules.js',
 				'/javascripts/utils/array.js',
 				'/javascripts/variants/' + e.data[1] + '.js');
diff --git a/client/src/router.js b/client/src/router.js
index 7c2e2a68..b373cdc2 100644
--- a/client/src/router.js
+++ b/client/src/router.js
@@ -15,6 +15,16 @@ export default new Router({
       name: "home",
       component: Home,
     },
+    {
+      path: "/variants",
+      name: "variants",
+      component: loadView("Variants"),
+    },
+//    {
+//      path: "/variants/:vname([a-zA-Z0-9]+)",
+//      name: "rules",
+//      component: Rules,
+//    },
 //    {
 //      path: "/about",
 //      name: "about",
@@ -26,11 +36,6 @@ export default new Router({
 //        //	return import(/* webpackChunkName: "about" */ "./views/About.vue");
 //				//}
 //    },
-//		{
-//			path: "/test",
-//			name: "test",
-//			component: loadView("Test"),
-//		},
     // TODO: gameRef, problemId: https://router.vuejs.org/guide/essentials/dynamic-matching.html
   ]
 });
diff --git a/client/src/views/Home.vue b/client/src/views/Home.vue
index dfd39391..c2c5b442 100644
--- a/client/src/views/Home.vue
+++ b/client/src/views/Home.vue
@@ -1,87 +1,242 @@
 <template lang="pug">
 div
-	.col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
-		label(for="prefixFilter") Type first letters...
-		input#prefixFilter(v-model="curPrefix")
-	.variant.col-sm-12.col-md-5.col-lg-4(
-		v-for="(v,idx) in sortedCounts"
-		:class="{'col-md-offset-1': idx%2==0, 'col-lg-offset-2': idx%2==0}"
-	)
-		a(:href="v.name")
-			h4.boxtitle.text-center {{ v.name }}
-			span.count-players / {{ v.count }}
-			p.description.text-center {{ $tr(v.desc) }}
+  input#modalNewgame.modal(type="checkbox")
+  div(role="dialog" aria-labelledby="titleFenedit")
+    .card.smallpad
+      label#closeNewgame.modal-close(for="modalNewgame")
+      fieldset
+        label(for="selectVariant") {{ st.tr["Variant"] }}
+        select#selectVariant(v-model="newgameInfo.vid")
+          option(v-for="v in variants" :value="v.id") {{ v.name }}
+      fieldset
+        label(for="selectNbPlayers") {{ st.tr["Number of players"] }}
+        select#selectNbPlayers(v-model="newgameInfo.nbPlayers")
+          option(v-show="possibleNbplayers(2)" value="2") 2
+          option(v-show="possibleNbplayers(3)" value="3") 3
+          option(v-show="possibleNbplayers(4)" value="4") 4
+      fieldset
+        label(for="timeControl") Time control (in days)
+        #timeControl
+          input(type="number" v-model="newgameInfo.mainTime"
+            placeholder="Main time")
+          input(type="number" v-model="newgameInfo.increment"
+            placeholder="Increment")
+      fieldset
+        label(for="selectPlayers") {{ st.tr["Play with?"] }}
+        #selectPlayers
+          input(type="text" v-model="newgameInfo.players[0].name")
+          input(v-show="newgameInfo.nbPlayers>=3" type="text"
+            v-model="newgameInfo.players[1].name")
+          input(v-show="newgameInfo.nbPlayers==4" type="text"
+            v-model="newgameInfo.players[2].name")
+      fieldset
+        label(for="inputFen")
+          {{ st.tr["FEN (ignored if players fields are blank)"] }}
+        input#inputFen(type="text" v-model="newgameInfo.fen")
+      button(@click="newGame") Launch game
+      p TODO: cadence, adversaire (pre-filled if click on name)
+      p cadence 2m+12s ou 7d+1d (m,s ou d,d) --> main, increment
+      p Note: leave FEN blank for random; FEN only for targeted challenge
+  div
+    my-challenge-list(:challenges="challenges" @click-challenge="clickChallenge")
+    div(style="border:1px solid black")
+      h3 Online players
+      div(v-for="p in players" @click="challenge(p)") {{ p.name }}
+  button(onClick="doClick('modalNewgame')") New game
+  div
+    .button-group
+      button(@click="gdisplay='live'") Live games
+      button(@click="gdisplay='corr'") Correspondance games
+    my-game-list(v-show="gdisplay=='live'" :games="liveGames"
+      @show-game="showGame")
+    my-game-list(v-show="gdisplay=='corr'" :games="corrGames"
+      @show-game="showGame")
 </template>
 
 <script>
+// main playing hall: online players + current challenges + button "new game"
+// TODO: si on est en train de jouer une partie, le notifier aux nouveaux connectés
+/*
+TODO: surligner si nouveau défi perso et pas affichage courant
+(cadences base + incrément, corr == incr >= 1jour ou base >= 7j)
+--> correspondance: stocker sur serveur lastMove + uid + color + movesCount + gameId + variant + timeleft
+fin de partie corr: supprimer partie du serveur au bout de 7 jours (arbitraire)
+*/
+// TODO: au moins l'échange des coups en P2P ? et game chat ?
+// TODO: objet game, objet challenge ? et player ?
+import { store } from "@/store";
+import GameList from "@/components/GameList.vue";
+import ChallengeList from "@/components/ChallengeList.vue";
 export default {
   name: "home",
-  data: function() {
-    return {
-      counts: {},
-		  curPrefix: "",
-    };
-	},
-	computed: {
-		sortedCounts: function () {
-			const capitalizedPrefix = this.curPrefix.replace(/^\w/, c => c.toUpperCase());
-			const variantsCounts = this.$variants
-			.filter( v => {
-				return v.name.startsWith(capitalizedPrefix);
-			})
-			.map( v => {
-				return {
-					name: v.name,
-					desc: v.description,
-					count: this.counts[v.name] || 0,
-				};
-			});
-			return variantsCounts.sort((a,b) => {
-				if (a.count != b.count)
-					return b.count - a.count;
-				// Else, alphabetic ordering
-				return a.name.localeCompare(b.name);
-			});
-		},
+  components: {
+    GameList,
+    ChallengeList,
+  },
+	data: function () {
+		return {
+      st: store.state,
+			gdisplay: "live",
+			liveGames: [],
+			corrGames: [],
+			players: [], //online players
+			challenges: [], //live challenges
+			willPlay: [], //IDs of challenges in which I decide to play (>= 3 players)
+			newgameInfo: {
+				fen: "",
+				vid: 0,
+				nbPlayers: 0,
+				players: [{id:0,name:""},{id:0,name:""},{id:0,name:""}],
+				mainTime: 0,
+				increment: 0,
+			},
+		};
 	},
 	created: function() {
+		// TODO: ask server for current corr games (all but mines: names, ID, time control)
 		const socketMessageListener = msg => {
 			const data = JSON.parse(msg.data);
-			if (data.code == "counts")
-				this.counts = data.counts;
-			else if (data.code == "increase")
-				this.counts[data.vid]++;
-			else if (data.code == "decrease")
-				this.counts[data.vid]--;
+			switch (data.code)
+			{
+				case "newgame":
+					// TODO: new game just started: data contain all informations
+					// (id, players, time control, fenStart ...)
+					break;
+				// TODO: also receive live games summaries (update)
+				// (just players names, time control, and ID + player ID)
+				case "acceptchallenge":
+					// oppid: opponent socket ID (or DB id if registered)
+					if (true) //TODO: if challenge is full
+						this.newGame(data.challenge, data.user); //user.id et user.name
+					break;
+				case "withdrawchallenge":
+					// TODO
+					break;
+				case "cancelchallenge":
+					// TODO
+					break;
+				// TODO: distinguish these (dis)connect events from their analogs in game.js
+				case "connect":
+					this.players.push({name:data.name, id:data.uid});
+					break;
+				case "disconnect":
+					const pIdx = this.players.findIndex(p => p.id == data.uid);
+					this.players.splice(pIdx);
+					break;
+			}
 		};
 		const socketCloseListener = () => {
-			this.$conn.addEventListener('message', socketMessageListener);
-			this.$conn.addEventListener('close', socketCloseListener);
+			this.st.conn.addEventListener('message', socketMessageListener);
+			this.st.conn.addEventListener('close', socketCloseListener);
 		};
-		this.$conn.onmessage = socketMessageListener;
-		this.$conn.onclose = socketCloseListener;
-		// TODO: AJAX call get corr games (all variants)
-		// si dernier lastMove sur serveur n'est pas le mien et nextColor == moi, alors background orange
-		// ==> background orange si à moi de jouer par corr (sur main index)
-		// (helper: static fonction "GetNextCol()" dans base_rules.js)
+		this.st.conn.onmessage = socketMessageListener;
+		this.st.conn.onclose = socketCloseListener;
+	},
+	methods: {
+		showGame: function(game) {
+      // NOTE: if we are an observer, the game will be found in main games list
+      // (sent by connected remote players)
+      this.$router.push("/" + game.id)
+		},
+		challenge: function(player) {
+			this.st.conn.send(JSON.stringify({code:"sendchallenge", oppid:p.id,
+				user:{name:this.st.user.name,id:this.st.user.id}}));
+		},
+		clickChallenge: function(challenge) {
+			const index = this.challenges.findIndex(c => c.id == challenge.id);
+			const toIdx = challenge.to.findIndex(p => p.id == user.id);
+			const me = {name:user.name,id:user.id};
+			if (toIdx >= 0)
+			{
+				// It's a multiplayer challenge I accepted: withdraw
+				this.st.conn.send(JSON.stringify({code:"withdrawchallenge",
+					cid:challenge.id, user:me}));
+				this.challenges.to.splice(toIdx, 1);
+			}
+			else if (challenge.from.id == user.id) //it's my challenge: cancel it
+			{
+				this.st.conn.send(JSON.stringify({code:"cancelchallenge", cid:challenge.id}));
+				this.challenges.splice(index, 1);
+			}
+			else //accept a challenge
+			{
+				this.st.conn.send(JSON.stringify({code:"acceptchallenge",
+					cid:challenge.id, user:me}));
+				this.challenges[index].to.push(me);
+			}
+			// TODO: accepter un challenge peut lancer une partie, il
+			// faut alors supprimer challenge + creer partie + la retourner et l'ajouter ici
+			// autres actions:
+			// supprime mon défi
+			// accepte un défi
+			// annule l'acceptation d'un défi (si >= 3 joueurs)
+			//
+			// si pas le mien et FEN speciale :: (charger code variante et)
+			// montrer diagramme + couleur (orienté)
+		},
+		// user: last person to accept the challenge
+		newGameLive: function(chall, user) {
+			const fen = chall.fen || V.GenRandInitFen();
+			const game = {}; //TODO: fen, players, time ...
+			//setStorage(game); //TODO
+			game.players.forEach(p => {
+				this.conn.send(
+					JSON.stringify({code:"newgame", oppid:p.id, game:game}));
+			});
+			if (this.settings.sound >= 1)
+				new Audio("/sounds/newgame.mp3").play().catch(err => {});
+		},
+		newGame: function() {
+			const afterRulesAreLoaded = () => {
+				// NOTE: side-effect = set FEN
+				// TODO: (to avoid any cheating option) separate the GenRandInitFen() functions
+				// in separate files, load on server and generate FEN on server.
+				const error = checkChallenge(this.newgameInfo, vname);
+				if (!!error)
+					return alert(error);
+				// Possible (server) error if filled player does not exist
+				ajax(
+					"/challenges/" + this.newgameInfo.vid,
+					"POST",
+					this.newgameInfo,
+					response => {
+						const chall = Object.assign({},
+							this.newgameInfo,
+							{
+								id: response.cid,
+								uid: user.id,
+								added: Date.now(),
+								vname: vname,
+							},
+						this.challenges.push(response.challenge);
+					}
+				);
+        // TODO: else, if live game: send infos (socket), and...
+			};
+			const idxInVariants =
+				variantArray.findIndex(v => v.id == this.newgameInfo.vid);
+			const vname = variantArray[idxInVariants].name;
+			const scriptId = vname + "RulesScript";
+			if (!document.getElementById(scriptId))
+			{
+				// Load variant rules (only once)
+				var script = document.createElement("script");
+				script.id = scriptId;
+				script.onload = afterRulesAreLoaded;
+				//script.addEventListener ("load", afterRulesAreLoaded, false);
+				script.src = "/javascripts/variants/" + vname + ".js";
+				document.body.appendChild(script);
+			}
+			else
+				afterRulesAreLoaded();
+		},
+		possibleNbplayers: function(nbp) {
+			if (this.newgameInfo.vid == 0)
+				return false;
+			const idxInVariants =
+				variantArray.findIndex(v => v.id == this.newgameInfo.vid);
+			return NbPlayers[variantArray[idxInVariants].name].includes(nbp);
+		},
 	},
-};
+});
 </script>
-
-<!-- Add "scoped" attribute to limit CSS to this component only -->
-<style scoped lang="scss">
-h3 {
-  margin: 40px 0 0;
-}
-ul {
-  list-style-type: none;
-  padding: 0;
-}
-li {
-  display: inline-block;
-  margin: 0 10px;
-}
-a {
-  color: #42b983;
-}
-</style>
diff --git a/client/src/views/Variants.vue b/client/src/views/Variants.vue
new file mode 100644
index 00000000..03903572
--- /dev/null
+++ b/client/src/views/Variants.vue
@@ -0,0 +1,68 @@
+<template lang="pug">
+div
+	.col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
+		label(for="prefixFilter") Type first letters...
+		input#prefixFilter(v-model="curPrefix")
+	.variant.col-sm-12.col-md-5.col-lg-4(
+		v-for="(v,idx) in filteredVariants"
+		:class="{'col-md-offset-1': idx%2==0, 'col-lg-offset-2': idx%2==0}"
+	)
+		router-link(:to="getLink(v.name)")
+			h4.boxtitle.text-center {{ v.name }}
+			p.description.text-center {{ st.tr(v.desc) }}
+</template>
+
+<script>
+import { store } from "@/store";
+export default {
+  name: "variants",
+  data: function() {
+    return {
+		  curPrefix: "",
+      st: store.state,
+    };
+	},
+	computed: {
+		filteredVariants: function () {
+			const capitalizedPrefix = this.curPrefix.replace(/^\w/, c => c.toUpperCase());
+			const variants = this.st.variants
+			.filter( v => {
+				return v.name.startsWith(capitalizedPrefix);
+			})
+			.map( v => {
+				return {
+					name: v.name,
+					desc: v.description,
+				};
+			})
+      .sort((a,b) => {
+				return a.name.localeCompare(b.name);
+			});
+      return variants;
+		},
+	},
+  methods: {
+    getLink: function(vname) {
+      return "/variants/" + vname;
+    },
+  },
+};
+</script>
+
+<!-- Add "scoped" attribute to limit CSS to this component only -->
+<style scoped lang="scss">
+h3 {
+  margin: 40px 0 0;
+}
+ul {
+  list-style-type: none;
+  padding: 0;
+}
+li {
+  display: inline-block;
+  margin: 0 10px;
+}
+a {
+  color: #42b983;
+}
+</style>
-- 
2.44.0