fixed part role mapping to categories. set a const for categories

data/gunbuilderParts.ts

@@ -1,111 +1,107 @@
 import type { Category, Part } from "@/types/gunbuilder";
 
 export const CATEGORIES: Category[] = [
-  { id: "lower", name: "Lower Receiver" },
-  { id: "upper", name: "Upper Receiver" },
-  { id: "barrel", name: "Barrel" },
-  { id: "handguard", name: "Handguard" },
-  { id: "stock", name: "Stock" },
-  { id: "optic", name: "Optic" },
-];
+  // LOWER
+  {
+    id: "lower",
+    name: "Stripped Lower Receiver",
+    description: "Serialized lower – the foundation of the build.",
+  },
+  {
+    id: "completeLower",
+    name: "Complete Lower",
+    description: "Factory-built lower with stock, buffer system, and controls.",
+  },
+  {
+    id: "lowerParts",
+    name: "Lower Parts Kit",
+    description: "Pins, springs, and controls for the lower.",
+  },
+  {
+    id: "trigger",
+    name: "Trigger / Fire Control",
+    description: "Single-stage, two-stage, and match triggers.",
+  },
+  {
+    id: "grip",
+    name: "Pistol Grip",
+    description: "Grips that shape how the rifle handles.",
+  },
+  {
+    id: "safety",
+    name: "Safety / Selector",
+    description: "Ambi selectors and control upgrades.",
+  },
+  {
+    id: "buffer",
+    name: "Buffer System",
+    description: "Buffer tube, buffer, spring, and related parts.",
+  },
+  {
+    id: "stock",
+    name: "Stock / Brace",
+    description: "Adjustable, fixed, and minimalist stocks.",
+  },
 
-export const PARTS: Part[] = [
+  // UPPER
   {
-    id: "lower-aero-m4e1",
-    name: "M4E1 Stripped Lower Receiver",
-    brand: "Aero Precision",
-    categoryId: "lower",
-    price: 129.99,
-    affiliateUrl: "https://example.com/aero-m4e1",
-    notes: "Forged 7075-T6, threaded bolt catch",
+    id: "upper",
+    name: "Stripped Upper Receiver",
+    description: "The core of the top half of your build.",
   },
   {
-    id: "lower-solgw",
-    name: "Loyal 9 Stripped Lower",
-    brand: "Sons of Liberty Gun Works",
-    categoryId: "lower",
-    price: 189.0,
-    affiliateUrl: "https://example.com/solgw-lower",
+    id: "completeUpper",
+    name: "Complete Upper",
+    description: "Pre-assembled uppers ready to pin and shoot.",
   },
   {
-    id: "upper-aero-enhanced",
-    name: "Enhanced Upper Receiver",
-    brand: "Aero Precision",
-    categoryId: "upper",
-    price: 149.99,
-    affiliateUrl: "https://example.com/aero-enhanced-upper",
+    id: "bcg",
+    name: "Bolt Carrier Group",
+    description: "The heartbeat of the rifle’s cycling.",
   },
   {
-    id: "upper-bcm-m4",
-    name: "M4 Upper Receiver",
-    brand: "BCM",
-    categoryId: "upper",
-    price: 159.99,
-    affiliateUrl: "https://example.com/bcm-m4-upper",
+    id: "barrel",
+    name: "Barrel",
+    description: "Different lengths, profiles, and calibers.",
   },
   {
-    id: "barrel-criterion-16",
-    name: "16\" Hybrid Barrel",
-    brand: "Criterion",
-    categoryId: "barrel",
-    price: 279.99,
-    affiliateUrl: "https://example.com/criterion-16",
-    notes: "Mid-length gas, chrome-lined",
+    id: "gasBlock",
+    name: "Gas Block",
+    description: "Standard and adjustable gas blocks.",
   },
   {
-    id: "barrel-ba-13-9",
-    name: "13.9\" Hanson Performance Series",
-    brand: "Ballistic Advantage",
-    categoryId: "barrel",
-    price: 209.99,
-    affiliateUrl: "https://example.com/ba-13-9",
+    id: "gasTube",
+    name: "Gas Tube",
+    description: "Carbine, mid, rifle, and more.",
   },
   {
-    id: "hg-geissele-mk8",
-    name: "MK8 Rail 13.5\"",
-    brand: "Geissele",
-    categoryId: "handguard",
-    price: 324.99,
-    affiliateUrl: "https://example.com/geissele-mk8",
+    id: "muzzleDevice",
+    name: "Muzzle Device",
+    description: "Brakes, comps, and flash hiders.",
   },
   {
-    id: "hg-centurion-c4",
-    name: "C4 M-LOK 12\"",
-    brand: "Centurion Arms",
-    categoryId: "handguard",
-    price: 284.99,
-    affiliateUrl: "https://example.com/centurion-c4",
+    id: "suppressor",
+    name: "Suppressor",
+    description: "Hearing-safe setups and hosts.",
   },
   {
-    id: "stock-b5-bravo",
-    name: "BRAVO Stock",
-    brand: "B5 Systems",
-    categoryId: "stock",
-    price: 74.99,
-    affiliateUrl: "https://example.com/b5-bravo",
+    id: "handguard",
+    name: "Handguard / Rail",
+    description: "M-LOK rails and front-end furniture.",
   },
   {
-    id: "stock-magpul-sl",
-    name: "MOE SL Carbine Stock",
-    brand: "Magpul",
-    categoryId: "stock",
-    price: 69.99,
-    affiliateUrl: "https://example.com/magpul-sl",
+    id: "chargingHandle",
+    name: "Charging Handle",
+    description: "Standard and ambi charging handles.",
   },
   {
-    id: "optic-eotech-exps3",
-    name: "EXPS3 Holographic Sight",
-    brand: "EOTECH",
-    categoryId: "optic",
-    price: 749.0,
-    affiliateUrl: "https://example.com/eotech-exps3",
+    id: "sights",
+    name: "Iron Sights",
+    description: "Backup and primary irons.",
   },
   {
-    id: "optic-holosun-509t",
-    name: "HE509T Red Dot",
-    brand: "Holosun",
-    categoryId: "optic",
-    price: 349.99,
-    affiliateUrl: "https://example.com/holosun-509t",
+    id: "optic",
+    name: "Optic",
+    description: "LPVOs, red dots, and magnifiers.",
   },
 ];

data/partRoleMappings.ts

@@ -0,0 +1,40 @@
+import type { CategoryId } from "@/types/gunbuilder";
+
+// CategoryId -> partRoles
+export const CATEGORY_TO_PART_ROLES: Record<CategoryId, string[]> = {
+  // CORE / EXISTING
+  upper: ["upper-receiver"],
+  barrel: ["barrel"],
+  handguard: ["handguard"],
+  chargingHandle: ["charging-handle"],
+  buffer: ["buffer-kit"],
+  lowerParts: ["lower-parts-kit"],
+  sights: ["sight"],
+  lower: ["lower-receiver"],
+  optic: ["optic"],
+  stock: ["stock"],
+
+  // NEW LOWER PARTS
+  trigger: ["trigger", "trigger-kit"],
+  grip: ["pistol-grip", "grip"],
+  safety: ["safety", "safety-selector"],
+  completeLower: ["complete-lower"],
+
+  // NEW UPPER PARTS
+  completeUpper: ["complete-upper"],
+  bcg: ["bcg", "bolt-carrier-group"],
+  gasBlock: ["gas-block"],
+  gasTube: ["gas-tube"],
+  muzzleDevice: ["muzzle-device", "compensator", "brake"],
+  suppressor: ["suppressor"],
+};
+
+// Invert to get partRole -> CategoryId
+export const PART_ROLE_TO_CATEGORY: Record<string, CategoryId> = Object
+  .entries(CATEGORY_TO_PART_ROLES)
+  .reduce((acc, [categoryId, roles]) => {
+    for (const role of roles) {
+      acc[role] = categoryId as CategoryId;
+    }
+    return acc;
+  }, {} as Record<string, CategoryId>);