feat: update shop

server/nakama/tekton_admin.js

@@ -25,6 +25,8 @@ function InitModule(ctx, logger, nk, initializer) {
     
     // Store RPCs
     initializer.registerRpc("purchase_item", rpcPurchaseItem);
+    initializer.registerRpc("get_shop_catalog", rpcGetShopCatalog);
+    initializer.registerRpc("buy_currency", rpcBuyCurrency);
     
     // Leaderboard RPCs
     initializer.registerRpc("get_leaderboard_stats", rpcGetLeaderboardStats);
@@ -384,6 +386,54 @@ function rpcAdminSetUserRole(ctx, logger, nk, payload) {
 // Store / Economy RPCs
 // =============================================================================
 
+function rpcGetShopCatalog(ctx, logger, nk, payload) {
+    if (!ctx.userId) throw new Error("Not authenticated");
+    
+    // We could read this from storage, but for now we hardcode it to keep it simple and authoritative
+    var catalog = {
+        "head": [
+            {"id": "head_hat1", "name": "Cap", "gold": 100, "star": 0},
+            {"id": "head_crown", "name": "Crown", "gold": 0, "star": 50}
+        ],
+        "costume": [
+            {"id": "costume_red", "name": "Red Suit", "gold": 200, "star": 0},
+            {"id": "costume_gold", "name": "Gold Suit", "gold": 0, "star": 100}
+        ],
+        "glove": [
+            {"id": "glove_leather", "name": "Leather Gloves", "gold": 50, "star": 0}
+        ],
+        "accessory": [
+            {"id": "acc_glasses", "name": "Sunglasses", "gold": 80, "star": 0}
+        ]
+    };
+    
+    return JSON.stringify({ catalog: catalog });
+}
+
+function rpcBuyCurrency(ctx, logger, nk, payload) {
+    if (!ctx.userId) throw new Error("Not authenticated");
+    
+    var request = JSON.parse(payload);
+    var packageId = request.package_id;
+    
+    var changeset = { "gold": 0, "star": 0 };
+    
+    if (packageId === "gold_pack_1") changeset["gold"] = 1000;
+    else if (packageId === "gold_pack_2") changeset["gold"] = 5000;
+    else if (packageId === "star_pack_1") changeset["star"] = 100;
+    else if (packageId === "star_pack_2") changeset["star"] = 500;
+    else throw new Error("Invalid package ID");
+    
+    try {
+        nk.walletUpdate(ctx.userId, changeset, {}, true);
+        logger.info("User " + ctx.userId + " bought currency package " + packageId);
+        return JSON.stringify({ success: true, package_id: packageId });
+    } catch (e) {
+        logger.error("Currency purchase failed: " + e.message);
+        throw new Error("Currency purchase failed: " + e.message);
+    }
+}
+
 function rpcPurchaseItem(ctx, logger, nk, payload) {
     if (!ctx.userId) throw new Error("Not authenticated");