feat: save stats to local storage

Victory lose, player stats, lobby config are stored to local storage
(for later use)

src/client/LocalPersistantStats.ts

@@ -0,0 +1,88 @@
+import { consolex } from "../core/Consolex";
+import { Difficulty, GameMapType, GameType } from "../core/game/Game";
+import { PlayerStats } from "../core/game/Stats";
+import { ClientID, GameID } from "../core/Schemas";
+import { LobbyConfig } from "./ClientGameRunner";
+
+export interface GameStat {
+  lobby: {
+    clientID: ClientID;
+    persistentID: string;
+    map: GameMapType | null;
+    gameType: GameType;
+    difficulty: Difficulty | null;
+    infiniteGold: boolean | null;
+    infiniteTroops: boolean | null;
+    instantBuild: boolean | null;
+    bots: number | null;
+    disableNPCs: boolean | null;
+  };
+  playerStats?: PlayerStats;
+  outcome?: "victory" | "defeat";
+}
+
+export class PersistantStats {
+  // Can be used to handle breaking changes
+  version: "v0.0.1";
+  games: {
+    [key: GameID]: GameStat;
+  };
+}
+
+export class LocalPersistantStats {
+  private getStats() {
+    const statsStr = localStorage.getItem("stats");
+    let stats: PersistantStats;
+    if (!statsStr) {
+      stats = { version: "v0.0.1", games: {} };
+    } else {
+      stats = JSON.parse(statsStr);
+    }
+
+    return stats;
+  }
+
+  public startGame(lobby: LobbyConfig) {
+    if (typeof localStorage === "undefined") {
+      return;
+    }
+
+    const stats = this.getStats();
+    stats.games[lobby.gameID] = {
+      lobby: {
+        clientID: lobby.clientID,
+        persistentID: lobby.persistentID,
+        map: lobby.map,
+        gameType: lobby.gameType,
+        difficulty: lobby.difficulty,
+        infiniteGold: lobby.infiniteGold,
+        infiniteTroops: lobby.infiniteTroops,
+        instantBuild: lobby.instantBuild,
+        bots: lobby.bots,
+        disableNPCs: lobby.disableNPCs,
+      },
+    };
+    localStorage.setItem("stats", JSON.stringify(stats));
+  }
+
+  public endGame(
+    id: GameID,
+    playerStats: PlayerStats,
+    outcome: GameStat["outcome"],
+  ) {
+    if (typeof localStorage === "undefined") {
+      return;
+    }
+
+    const stats = this.getStats();
+    const gameStat = stats.games[id];
+    if (!gameStat) {
+      consolex.log("game not found");
+      return;
+    }
+
+    gameStat.outcome = outcome;
+    gameStat.playerStats = playerStats;
+    localStorage.setItem("stats", JSON.stringify(stats));
+  }
+}