import { describe, expect, it } from "vitest";
import { EMPTY_ITEM_STATS } from "./itemStats";
import { inventoryItemMatchesCategory, inventoryItemUsableForCategory, normalizeInventory } from "./lootTypes";

function savedItem(overrides: Record<string, unknown> = {}): Record<string, unknown> {
  return {
    instanceId: "gear:1",
    itemId: 1,
    itemKey: "gear-1",
    name: "Saved Gear",
    quality: "rare",
    inventorySlot: "back",
    armorType: null,
    weaponType: null,
    itemLevel: 20,
    sourceItemLevel: 20,
    stats: EMPTY_ITEM_STATS,
    quantity: 1,
    sourceBossKey: "source-boss",
    sourceBossName: "Source Boss",
    acquiredAt: 1,
    ...overrides,
  };
}

describe("inventory item game-category metadata", () => {
  it("migrates only category-less WoW-owned legacy records", () => {
    expect(normalizeInventory([savedItem()], { ownerCategory: "wow" })[0].contentCategory).toBe("wow");
    expect(normalizeInventory([savedItem()], { ownerCategory: "rom" })[0].contentCategory).toBeNull();
    expect(normalizeInventory([savedItem()], { ownerCategory: "coa" })[0].contentCategory).toBeNull();
    expect(normalizeInventory([savedItem()])[0].contentCategory).toBeNull();
  });

  it("preserves explicit category identity, including mismatches and unresolved null", () => {
    expect(normalizeInventory([savedItem({ contentCategory: "rom" })], { ownerCategory: "wow" })[0].contentCategory)
      .toBe("rom");
    expect(normalizeInventory([savedItem({ contentCategory: "coa" })], { ownerCategory: "rom" })[0].contentCategory)
      .toBe("coa");
    expect(normalizeInventory([savedItem({ contentCategory: null })], { ownerCategory: "wow" })[0].contentCategory)
      .toBeNull();
  });

  it("requires an explicit category and validated native payload for usable RoM gear", () => {
    const romNative = normalizeInventory([savedItem({
      contentCategory: "rom",
      stats: { ...EMPTY_ITEM_STATS, romNative: { strength: 7 } },
    })])[0];
    const romWithoutNative = normalizeInventory([savedItem({ contentCategory: "rom" })])[0];
    expect(inventoryItemMatchesCategory(romNative, "rom")).toBe(true);
    expect(inventoryItemMatchesCategory(romNative, undefined)).toBe(false);
    expect(inventoryItemUsableForCategory(romNative, "rom")).toBe(true);
    expect(inventoryItemUsableForCategory(romWithoutNative, "rom")).toBe(false);
    expect(inventoryItemUsableForCategory(romNative, "wow")).toBe(false);
  });
});