/* 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";

// First area from defaultVampireExplorationAreas
const AREA_ID = "bone_chapel";
const AREA_ZONE_ID = "vampire_haunted_catacombs";
const AREA_DURATION_SECONDS = 30;

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);

// A vampire state with the zone unlocked and the area available
const makeReadyVampireState = (areaOverrides: Record<string, unknown> = {}, vampireOverrides: Record<string, unknown> = {}) =>
  makeVampireState({
    exploration: {
      areas:                   [ { id: AREA_ID, status: "available", ...areaOverrides } ],
      craftedBloodMultiplier:  1,
      craftedCombatMultiplier: 1,
      craftedIchorMultiplier:  1,
      craftedRecipeIds:        [],
      materials:               [],
    },
    zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
    ...vampireOverrides,
  });

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

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

  const get = (path: string) =>
    app.fetch(new Request(`http://localhost/vampire-explore${path}`, { method: "GET" }));

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

  // ─────────────────────────────────────────────────────────────────────────
  // GET /claimable
  // ─────────────────────────────────────────────────────────────────────────

  describe("GET /claimable", () => {
    it("returns 400 when areaId is missing", async () => {
      const res = await get("/claimable");
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("areaId is required");
    });

    it("returns 404 when areaId is unknown", async () => {
      const res = await get("/claimable?areaId=not_a_real_area");
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Unknown exploration area");
    });

    it("returns 404 when no save is found", async () => {
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce(null);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("No save found");
    });

    it("returns claimable: false when vampire realm not unlocked", async () => {
      const state = makeState();
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(200);
      const body = await res.json() as { claimable: boolean };
      expect(body.claimable).toBe(false);
    });

    it("returns claimable: false when area not found in state", async () => {
      const vampire = makeVampireState({ exploration: { areas: [], craftedBloodMultiplier: 1, craftedCombatMultiplier: 1, craftedIchorMultiplier: 1, craftedRecipeIds: [], materials: [] } });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(200);
      const body = await res.json() as { claimable: boolean };
      expect(body.claimable).toBe(false);
    });

    it("returns claimable: false when area is not in_progress", async () => {
      const vampire = makeReadyVampireState({ status: "available" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(200);
      const body = await res.json() as { claimable: boolean };
      expect(body.claimable).toBe(false);
    });

    it("returns claimable: false when exploration is still in progress (not yet expired)", async () => {
      const futureStart = Date.now() + 999_999;
      const vampire = makeReadyVampireState({ startedAt: futureStart, status: "in_progress" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(200);
      const body = await res.json() as { claimable: boolean };
      expect(body.claimable).toBe(false);
    });

    it("returns claimable: true when exploration duration has elapsed", async () => {
      const pastStart = Date.now() - (AREA_DURATION_SECONDS * 1000) - 1000;
      const vampire = makeReadyVampireState({ startedAt: pastStart, status: "in_progress" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(200);
      const body = await res.json() as { claimable: boolean };
      expect(body.claimable).toBe(true);
    });

    it("returns 500 when DB throws during claimable check", async () => {
      vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce(new Error("DB failure"));
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(500);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Internal server error");
    });

    it("returns 500 when claimable check throws a non-Error value", async () => {
      vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce("string error");
      const res = await get(`/claimable?areaId=${AREA_ID}`);
      expect(res.status).toBe(500);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Internal server error");
    });
  });

  // ─────────────────────────────────────────────────────────────────────────
  // POST /start
  // ─────────────────────────────────────────────────────────────────────────

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

    it("returns 404 when areaId is unknown", async () => {
      const res = await post("/start", { areaId: "not_a_real_area" });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Unknown exploration area");
    });

    it("returns 404 when no save is found", async () => {
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce(null);
      const res = await post("/start", { areaId: AREA_ID });
      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("/start", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Vampire realm");
    });

    it("returns 400 when zone is not unlocked", async () => {
      const vampire = makeVampireState({
        exploration: {
          areas:                   [ { id: AREA_ID, status: "available" } ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [ { id: AREA_ZONE_ID, status: "locked" } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/start", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Zone is not unlocked");
    });

    it("returns 400 when zone is missing entirely", async () => {
      const vampire = makeVampireState({
        exploration: {
          areas:                   [ { id: AREA_ID, status: "available" } ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/start", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Zone is not unlocked");
    });

    it("returns 404 when area not found in state", async () => {
      const vampire = makeVampireState({
        exploration: {
          areas:                   [],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/start", { areaId: AREA_ID });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Exploration area not found in state");
    });

    it("returns 400 when an exploration is already in progress", async () => {
      const vampire = makeVampireState({
        exploration: {
          areas: [
            { id: AREA_ID, startedAt: Date.now(), status: "in_progress" },
            { id: "dusty_crypts", status: "available" },
          ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      // Try to start the second area while first is in_progress
      const res = await post("/start", { areaId: "dusty_crypts" });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("already in progress");
    });

    it("returns 400 when area is locked", async () => {
      const vampire = makeReadyVampireState({ status: "locked" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/start", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("locked");
    });

    it("returns 200 with areaId and endsAt on success", async () => {
      const vampire = makeReadyVampireState();
      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("/start", { areaId: AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { areaId: string; endsAt: number };
      expect(body.areaId).toBe(AREA_ID);
      expect(body.endsAt).toBeGreaterThan(Date.now());
    });

    it("sets area status to in_progress in saved state", async () => {
      const vampire = makeReadyVampireState();
      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("/start", { areaId: AREA_ID });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const area = savedState.vampire?.exploration.areas.find((a) => a.id === AREA_ID);
      expect(area?.status).toBe("in_progress");
    });

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

    it("returns 500 when start throws a non-Error value", async () => {
      vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce("string error");
      const res = await post("/start", { areaId: AREA_ID });
      expect(res.status).toBe(500);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Internal server error");
    });
  });

  // ─────────────────────────────────────────────────────────────────────────
  // POST /collect
  // ─────────────────────────────────────────────────────────────────────────

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

    it("returns 404 when areaId is unknown", async () => {
      const res = await post("/collect", { areaId: "not_a_real_area" });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Unknown exploration area");
    });

    it("returns 404 when no save is found", async () => {
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce(null);
      const res = await post("/collect", { areaId: AREA_ID });
      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("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Vampire realm");
    });

    it("returns 404 when area not found in state", async () => {
      const vampire = makeVampireState({
        exploration: {
          areas:                   [],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
      });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(404);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("Exploration area not found");
    });

    it("returns 400 when area is not in_progress", async () => {
      const vampire = makeReadyVampireState({ status: "available" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("not in progress");
    });

    it("returns 400 when exploration is not yet complete", async () => {
      const futureStart = Date.now() + 999_999;
      const vampire = makeReadyVampireState({ startedAt: futureStart, status: "in_progress" });
      const state = makeState({ vampire: vampire as GameState["vampire"] });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(400);
      const body = await res.json() as { error: string };
      expect(body.error).toContain("not yet complete");
    });

    it("returns foundNothing: true when random roll is below nothing probability", async () => {
      vi.spyOn(Math, "random").mockReturnValue(0.15);
      const pastStart = Date.now() - (AREA_DURATION_SECONDS * 1000) - 1000;
      const vampire = makeReadyVampireState({ startedAt: pastStart, status: "in_progress" });
      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("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { foundNothing: boolean; nothingMessage: string; event: null };
      expect(body.foundNothing).toBe(true);
      expect(body.event).toBeNull();
      expect(body.nothingMessage).toBeTruthy();
    });

    it("returns foundNothing: false with event when random roll is above nothing probability", async () => {
      // 0.5 is above the 0.2 nothing threshold, so an event fires
      vi.spyOn(Math, "random").mockReturnValue(0.5);
      const pastStart = Date.now() - (AREA_DURATION_SECONDS * 1000) - 1000;
      const vampire = makeReadyVampireState({ startedAt: pastStart, status: "in_progress" });
      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("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { foundNothing: boolean; event: unknown; materialsFound: Array<unknown> };
      expect(body.foundNothing).toBe(false);
      expect(body.event).not.toBeNull();
      expect(Array.isArray(body.materialsFound)).toBe(true);
    });

    it("sets area status back to available after collecting", async () => {
      vi.spyOn(Math, "random").mockReturnValue(0.5);
      const pastStart = Date.now() - (AREA_DURATION_SECONDS * 1000) - 1000;
      const vampire = makeReadyVampireState({ startedAt: pastStart, status: "in_progress" });
      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("/collect", { areaId: AREA_ID });
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const area = savedState.vampire?.exploration.areas.find((a) => a.id === AREA_ID);
      expect(area?.status).toBe("available");
      expect(area?.completedOnce).toBe(true);
    });

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

    it("handles blood_gain event and updates totalBloodEarned", async () => {
      // bone_chapel event[0] is blood_gain — use mockReturnValueOnce to steer the random rolls
      // Call 1 (nothing check): 0.5 → not nothing; Call 2 (event index): 0.1 → index 0 (blood_gain)
      vi.spyOn(Math, "random").
        mockReturnValueOnce(0.5).
        mockReturnValueOnce(0.1).
        mockReturnValue(0);
      const pastStart = Date.now() - (AREA_DURATION_SECONDS * 1000) - 1000;
      const vampire = makeReadyVampireState({ endsAt: pastStart + (AREA_DURATION_SECONDS * 1000), startedAt: pastStart, status: "in_progress" });
      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("/collect", { areaId: AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { event: { bloodChange: number } };
      expect(body.event?.bloodChange).toBeGreaterThan(0);
    });

    it("handles blood_loss event and reduces blood", async () => {
      // dusty_crypts event[1] is blood_loss — Math.random=0.7 → event index 1 (Math.floor(0.7*2)=1)
      const DUSTY_AREA_ID = "dusty_crypts";
      const DUSTY_DURATION = 60;
      const pastStart = Date.now() - (DUSTY_DURATION * 1000) - 1000;
      vi.spyOn(Math, "random").mockReturnValue(0.7);
      const vampire = makeVampireState({
        exploration: {
          areas:                   [ { id: DUSTY_AREA_ID, endsAt: pastStart + (DUSTY_DURATION * 1000), startedAt: pastStart, status: "in_progress" } ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
      });
      const state = makeState({ resources: { blood: 1000, crystals: 0, essence: 0, gold: 0, runestones: 0 }, 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("/collect", { areaId: DUSTY_AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { event: { bloodChange: number } };
      expect(body.event?.bloodChange).toBeLessThan(0);
    });

    it("handles dark_material_gain event and adds new material to state", async () => {
      // ossuary_hall has a dark_material_gain event as event[0] (grave_essence)
      const OSSUARY_AREA_ID = "ossuary_hall";
      const OSSUARY_DURATION = 90;
      const pastStart = Date.now() - (OSSUARY_DURATION * 1000) - 1000;
      // Math.random = 0.3: not nothing (0.3 > 0.2), eventIndex=0 (dark_material_gain), material roll picks grave_essence
      vi.spyOn(Math, "random").mockReturnValue(0.3);
      const vampire = makeVampireState({
        exploration: {
          areas:                   [ { id: OSSUARY_AREA_ID, status: "in_progress", startedAt: pastStart, endsAt: pastStart + (OSSUARY_DURATION * 1000) } ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [],
        },
        zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
      });
      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("/collect", { areaId: OSSUARY_AREA_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { foundNothing: boolean; event: { text: string } };
      expect(body.foundNothing).toBe(false);
      expect(body.event).not.toBeNull();
    });

    it("increments existing material quantity for dark_material_gain and possibleMaterials drop", async () => {
      // ossuary_hall area with grave_essence already in materials
      const OSSUARY_AREA_ID = "ossuary_hall";
      const OSSUARY_DURATION = 90;
      const pastStart = Date.now() - (OSSUARY_DURATION * 1000) - 1000;
      vi.spyOn(Math, "random").mockReturnValue(0.3);
      const vampire = makeVampireState({
        exploration: {
          areas:                   [ { id: OSSUARY_AREA_ID, status: "in_progress", startedAt: pastStart, endsAt: pastStart + (OSSUARY_DURATION * 1000) } ],
          craftedBloodMultiplier:  1,
          craftedCombatMultiplier: 1,
          craftedIchorMultiplier:  1,
          craftedRecipeIds:        [],
          materials:               [ { materialId: "grave_essence", quantity: 5 } ],
        },
        zones: [ { id: AREA_ZONE_ID, status: "unlocked" } ],
      });
      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("/collect", { areaId: OSSUARY_AREA_ID });
      expect(res.status).toBe(200);
      const updateCall = vi.mocked(prisma.gameState.update).mock.calls[0];
      const savedState = (updateCall?.[0] as { data: { state: GameState } }).data.state;
      const graveEssence = savedState.vampire?.exploration.materials.find((m) => m.materialId === "grave_essence");
      expect(graveEssence?.quantity).toBeGreaterThan(5);
    });
  });
});