/* eslint-disable max-lines-per-function -- Test suites naturally have many cases */
/* eslint-disable max-lines -- Test suites naturally have many cases */
/* eslint-disable @typescript-eslint/consistent-type-assertions -- Tests build minimal state objects */
import { beforeEach, describe, expect, it, vi } from "vitest";
import { Hono } from "hono";
import type { GameState } from "@elysium/types";

vi.mock("../../src/db/client.js", () => ({
  prisma: {
    gameState: { findUnique: vi.fn(), update: vi.fn() },
  },
}));

vi.mock("../../src/middleware/auth.js", () => ({
  authMiddleware: vi.fn(async (c: { set: (key: string, value: string) => void }, next: () => Promise<void>) => {
    c.set("discordId", "test_discord_id");
    await next();
  }),
}));

vi.mock("../../src/services/logger.js", () => ({
  logger: {
    error:  vi.fn().mockResolvedValue(undefined),
    metric: vi.fn().mockResolvedValue(undefined),
  },
}));

const DISCORD_ID = "test_discord_id";

const makeSiring = (overrides: Record<string, unknown> = {}) => ({
  count:                        0,
  ichor:                        0,
  productionMultiplier:         1,
  purchasedUpgradeIds:          [] as Array<string>,
  ichorCombatMultiplier:        1,
  ...overrides,
});

const makeAwakening = (overrides: Record<string, unknown> = {}) => ({
  count:                               0,
  purchasedUpgradeIds:                 [] as Array<string>,
  soulShards:                          0,
  soulShardsBloodMultiplier:           1,
  soulShardsCombatMultiplier:          1,
  soulShardsMetaMultiplier:            1,
  soulShardsSiringIchorMultiplier:     1,
  soulShardsSiringThresholdMultiplier: 1,
  ...overrides,
});

const makeVampireState = (overrides: Record<string, unknown> = {}) => ({
  achievements:       [] as Array<{ id: string; unlockedAt: number | null; reward: unknown }>,
  awakening:          makeAwakening(),
  baseClickPower:     1,
  bosses:             [] as Array<{
    id: string;
    status: string;
    zoneId: string;
    maxHp: number;
    currentHp: number;
    damagePerSecond: number;
    siringRequirement: number;
    bloodReward: number;
    ichorReward: number;
    soulShardsReward: number;
    upgradeRewards: Array<string>;
    equipmentRewards: Array<string>;
    bountyIchorClaimed: boolean;
  }>,
  equipment:          [] as Array<{ id: string; owned: boolean; equipped: boolean; type: string; bonus: Record<string, unknown> }>,
  eternalSovereignty: { count: 0 },
  exploration:        {
    areas:                   [] as Array<{ id: string; status: string; startedAt?: number; endsAt?: number; completedOnce?: boolean }>,
    craftedBloodMultiplier:  1,
    craftedCombatMultiplier: 1,
    craftedIchorMultiplier:  1,
    craftedRecipeIds:        [] as Array<string>,
    materials:               [] as Array<{ materialId: string; quantity: number }>,
  },
  lastTickAt:              0,
  lifetimeBloodEarned:     0,
  lifetimeBossesDefeated:  0,
  lifetimeQuestsCompleted: 0,
  quests:                  [] as Array<{ id: string; status: string; zoneId?: string; unlockQuestId?: string | null }>,
  siring:                  makeSiring(),
  thralls:                 [] as Array<{
    id: string;
    count: number;
    combatPower: number;
    level: number;
    unlocked: boolean;
    bloodPerSecond: number;
    ichorPerSecond: number;
    baseCost: number;
    class: string;
    name: string;
  }>,
  totalBloodEarned:        0,
  upgrades:                [] as Array<{ id: string; purchased: boolean; target: string; multiplier: number; thrallId?: string; unlocked?: boolean }>,
  zones:                   [] as Array<{ id: string; status: string; unlockBossId?: string; unlockQuestId?: string | null }>,
  ...overrides,
});

const makeState = (overrides: Partial<GameState> = {}): GameState => ({
  player:         { discordId: DISCORD_ID, username: "u", discriminator: "0", avatar: null, totalGoldEarned: 0, totalClicks: 0, characterName: "T" },
  resources:      { gold: 0, essence: 0, crystals: 0, runestones: 0 },
  adventurers:    [],
  upgrades:       [],
  quests:         [],
  bosses:         [],
  equipment:      [],
  achievements:   [],
  zones:          [],
  exploration:    { areas: [], materials: [], craftedRecipeIds: [], craftedGoldMultiplier: 1, craftedEssenceMultiplier: 1, craftedClickMultiplier: 1, craftedCombatMultiplier: 1 },
  companions:     { unlockedCompanionIds: [], activeCompanionId: null },
  prestige:       { count: 0, runestones: 0, productionMultiplier: 1, purchasedUpgradeIds: [] },
  baseClickPower: 1,
  lastTickAt:     0,
  schemaVersion:  1,
  ...overrides,
} as GameState);

const makeBoss = (overrides: Record<string, unknown> = {}) => ({
  id:                  "test_boss",
  status:              "available",
  zoneId:              "test_zone",
  maxHp:               100,
  currentHp:           100,
  damagePerSecond:     1,
  siringRequirement:   0,
  bloodReward:         100,
  ichorReward:         0,
  soulShardsReward:    0,
  upgradeRewards:      [] as Array<string>,
  equipmentRewards:    [] as Array<string>,
  bountyIchorClaimed:  false,
  ...overrides,
});

const makeStrongThrall = (overrides: Record<string, unknown> = {}) => ({
  id:             "test_thrall",
  count:          10000,
  combatPower:    1000,
  level:          1,
  unlocked:       true,
  bloodPerSecond: 0,
  ichorPerSecond: 0,
  baseCost:       0,
  class:          "fighter",
  name:           "Fighter",
  ...overrides,
});

describe("vampireBoss route", () => {
  let app: Hono;
  let prisma: {
    gameState: { findUnique: ReturnType<typeof vi.fn>; update: ReturnType<typeof vi.fn> };
  };

  beforeEach(async () => {
    vi.clearAllMocks();
    const { vampireBossRouter } = await import("../../src/routes/vampireBoss.js");
    const { prisma: p } = await import("../../src/db/client.js");
    prisma = p as typeof prisma;
    app = new Hono();
    app.route("/vampire-boss", vampireBossRouter);
  });

  const post = (path: string, body?: Record<string, unknown>) =>
    app.fetch(new Request(`http://localhost/vampire-boss${path}`, {
      method:  "POST",
      headers: { "Content-Type": "application/json" },
      body:    JSON.stringify(body ?? {}),
    }));

  describe("POST /challenge", () => {
    it("returns 400 when bossId is missing from body", async () => {
      const res = await post("/challenge", {});
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Invalid request body");
    });

    it("returns 404 when no save is found", async () => {
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce(null);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("No save found");
    });

    it("returns 400 when vampire realm is not unlocked", async () => {
      const state = makeState();
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Vampire realm");
    });

    it("returns 404 when boss is not found in state", async () => {
      const vampire = makeVampireState({ bosses: [] });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "missing_boss" });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Boss not found");
    });

    it("returns 400 when boss status is defeated", async () => {
      const vampire = makeVampireState({
        bosses: [ makeBoss({ status: "defeated" }) ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("not currently available");
    });

    it("returns 400 when boss status is locked", async () => {
      const vampire = makeVampireState({
        bosses: [ makeBoss({ status: "locked" }) ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("not currently available");
    });

    it("allows challenge when boss status is in_progress", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1, status: "in_progress" }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
    });

    it("returns 403 when siring requirement is not met", async () => {
      const vampire = makeVampireState({
        bosses: [ makeBoss({ siringRequirement: 10 }) ],
        siring: makeSiring({ count: 0 }),
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(403);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Siring requirement");
    });

    it("returns 400 when thralls have no combat power (empty thralls array)", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss() ],
        thralls: [],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("no combat power");
    });

    it("returns 400 when thrall count is zero", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss() ],
        thralls: [ makeStrongThrall({ count: 0 }) ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("no combat power");
    });

    it("returns won: true with rewards on a successful boss kill", async () => {
      // Boss with 1 HP, party kills it before it kills party
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ bloodReward: 100, currentHp: 1, damagePerSecond: 1, maxHp: 1 }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { won: boolean; rewards: { blood: number } };
      expect(body.won).toBe(true);
      expect(body.rewards).toBeDefined();
      expect(body.rewards.blood).toBe(100);
    });

    it("sets boss status to defeated on win", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "test_boss" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const savedBoss = savedState.vampire?.bosses.find((b) => b.id === "test_boss");
      expect(savedBoss?.status).toBe("defeated");
    });

    it("unlocks next boss in same zone after win when siring requirement met", async () => {
      const vampire = makeVampireState({
        bosses: [
          makeBoss({ currentHp: 1, id: "boss_1", maxHp: 1, zoneId: "zone_a" }),
          makeBoss({ id: "boss_2", siringRequirement: 0, status: "locked", zoneId: "zone_a" }),
        ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "boss_1" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const nextBoss = savedState.vampire?.bosses.find((b) => b.id === "boss_2");
      expect(nextBoss?.status).toBe("available");
    });

    it("returns won: false with casualties on loss", async () => {
      // Boss with very high HP/DPS, weak thrall
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 999_999, damagePerSecond: 999_999, maxHp: 999_999 }) ],
        thralls: [ makeStrongThrall({ combatPower: 1, count: 100, level: 1 }) ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { won: boolean; casualties: Array<unknown> };
      expect(body.won).toBe(false);
      expect(body.casualties).toBeDefined();
    });

    it("resets boss HP to maxHp on loss", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 999_999, damagePerSecond: 999_999, maxHp: 999_999 }) ],
        thralls: [ makeStrongThrall({ combatPower: 1, count: 100 }) ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "test_boss" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const savedBoss = savedState.vampire?.bosses.find((b) => b.id === "test_boss");
      expect(savedBoss?.currentHp).toBe(999_999);
      expect(savedBoss?.status).toBe("available");
    });

    it("returns 500 on DB Error throw", async () => {
      vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce(new Error("DB failure"));
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(500);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Internal server error");
    });

    it("returns 500 on non-Error throw", async () => {
      vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce("string error");
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(500);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Internal server error");
    });

    it("grants ichor reward on win", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, ichorReward: 5, maxHp: 1 }) ],
        siring:  makeSiring({ ichor: 0 }),
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { rewards: { ichor: number } };
      expect(body.rewards.ichor).toBe(5);
    });

    it("grants soulShards reward on win", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1, soulShardsReward: 3 }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { rewards: { soulShards: number } };
      expect(body.rewards.soulShards).toBe(3);
    });

    it("increments lifetimeBossesDefeated on win", async () => {
      const vampire = makeVampireState({
        bosses:                [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        lifetimeBossesDefeated: 2,
        thralls:               [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "test_boss" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      expect(savedState.vampire?.lifetimeBossesDefeated).toBe(3);
    });

    it("unlocks upgrade rewards on win", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1, upgradeRewards: [ "upgrade_1" ] }) ],
        thralls: [ makeStrongThrall() ],
        upgrades: [ { id: "upgrade_1", multiplier: 2, purchased: false, target: "global", unlocked: false } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "test_boss" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const upgrade = savedState.vampire?.upgrades.find((u) => u.id === "upgrade_1");
      expect(upgrade?.unlocked).toBe(true);
    });

    it("response includes combat stats", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { partyDPS: number; partyMaxHp: number; bossDPS: number };
      expect(body.partyDPS).toBeGreaterThan(0);
      expect(body.partyMaxHp).toBeGreaterThan(0);
      expect(body.bossDPS).toBe(1);
    });

    it("unlocks a zone when its unlock boss is defeated and quest condition is met", async () => {
      const vampire = makeVampireState({
        bosses: [
          makeBoss({ currentHp: 1, id: "boss_for_zone", maxHp: 1, zoneId: "zone_a" }),
          makeBoss({ id: "new_zone_first_boss", siringRequirement: 0, status: "locked", zoneId: "new_zone" }),
        ],
        thralls: [ makeStrongThrall() ],
        zones:   [
          { id: "already_unlocked", status: "unlocked", unlockBossId: "boss_for_zone", unlockQuestId: null },
          { id: "wrong_boss_zone", status: "locked", unlockBossId: "different_boss", unlockQuestId: null },
          { id: "new_zone", status: "locked", unlockBossId: "boss_for_zone", unlockQuestId: null },
        ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "boss_for_zone" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const zone = savedState.vampire?.zones.find((z) => z.id === "new_zone");
      expect(zone?.status).toBe("unlocked");
    });

    it("skips zone unlock when quest condition is not satisfied (quest exists but not completed)", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, id: "boss_for_quest_zone", maxHp: 1, zoneId: "zone_a" }) ],
        quests:  [ { id: "required_quest", status: "in_progress" } ],
        thralls: [ makeStrongThrall() ],
        zones:   [ { id: "quest_locked_zone", status: "locked", unlockBossId: "boss_for_quest_zone", unlockQuestId: "required_quest" } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "boss_for_quest_zone" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const zone = savedState.vampire?.zones.find((z) => z.id === "quest_locked_zone");
      expect(zone?.status).toBe("locked");
    });

    it("unlocks a zone when both boss and required quest conditions are satisfied", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, id: "quest_boss", maxHp: 1, zoneId: "zone_a" }) ],
        quests:  [ { id: "required_quest", status: "completed" } ],
        thralls: [ makeStrongThrall() ],
        zones:   [ { id: "quest_zone", status: "locked", unlockBossId: "quest_boss", unlockQuestId: "required_quest" } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      await post("/challenge", { bossId: "quest_boss" });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const zone = savedState.vampire?.zones.find((z) => z.id === "quest_zone");
      expect(zone?.status).toBe("unlocked");
    });

    it("skips thralls with count=0 when computing casualties on loss", async () => {
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 999_999, damagePerSecond: 999_999, maxHp: 999_999 }) ],
        thralls: [
          makeStrongThrall({ combatPower: 1, count: 0, id: "dead_thrall" }),
          makeStrongThrall({ combatPower: 1, count: 100, id: "alive_thrall" }),
        ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { won: boolean; casualties: Array<unknown> };
      expect(body.won).toBe(false);
      expect(body.casualties).toBeDefined();
    });

    it("includes HMAC signature in response when ANTI_CHEAT_SECRET is set", async () => {
      process.env.ANTI_CHEAT_SECRET = "test_secret";
      const vampire = makeVampireState({
        bosses:  [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        thralls: [ makeStrongThrall() ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { signature: string };
      expect(body.signature).toBeDefined();
      delete process.env.ANTI_CHEAT_SECRET;
    });

    it("applies purchased global upgrade multiplier to party DPS", async () => {
      const vampire = makeVampireState({
        bosses:   [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        thralls:  [ makeStrongThrall({ combatPower: 100 }) ],
        upgrades: [ { id: "global_upgrade_1", multiplier: 2, purchased: true, target: "global", unlocked: true } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { won: boolean };
      expect(body.won).toBe(true);
    });

    it("applies purchased thrall-specific upgrade multiplier to party DPS", async () => {
      const vampire = makeVampireState({
        bosses:   [ makeBoss({ currentHp: 1, maxHp: 1 }) ],
        thralls:  [ makeStrongThrall({ combatPower: 100, id: "test_thrall" }) ],
        upgrades: [ { id: "thrall_upgrade_1", multiplier: 2, purchased: true, target: "thrall", thrallId: "test_thrall", unlocked: true } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/challenge", { bossId: "test_boss" });
      expect(res.status).toBe(200);
      const body = await res.json() as { won: boolean };
      expect(body.won).toBe(true);
    });
  });
});