/* 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";
// bone_dust_extract requires: bone_dust×3, grave_essence×2; bonus: gold_income 1.1
const TEST_RECIPE_ID = "bone_dust_extract";

const makeVampireExploration = (overrides: Partial<NonNullable<GameState["vampire"]>["exploration"]> = {}): NonNullable<GameState["vampire"]>["exploration"] => ({
  areas:                   [],
  craftedBloodMultiplier:  1,
  craftedCombatMultiplier: 1,
  craftedIchorMultiplier:  1,
  craftedRecipeIds:        [] as string[],
  materials:               [
    { materialId: "bone_dust", quantity: 5 },
    { materialId: "grave_essence", quantity: 5 },
  ],
  ...overrides,
});

const makeVampireState = (overrides: Partial<NonNullable<GameState["vampire"]>> = {}): NonNullable<GameState["vampire"]> => ({
  achievements: [],
  awakening:    {
    count:                              0,
    purchasedUpgradeIds:                [],
    soulShards:                         0,
    soulShardsBloodMultiplier:          1,
    soulShardsCombatMultiplier:         1,
    soulShardsMetaMultiplier:           1,
    soulShardsSiringIchorMultiplier:    1,
    soulShardsSiringThresholdMultiplier: 1,
  },
  baseClickPower:      1,
  bosses:              [],
  equipment:           [],
  eternalSovereignty:  { count: 0 },
  exploration:         makeVampireExploration(),
  lastTickAt:          0,
  lifetimeBloodEarned: 0,
  lifetimeBossesDefeated:   0,
  lifetimeQuestsCompleted:  0,
  quests:              [],
  siring:              {
    count:                1,
    ichor:                0,
    productionMultiplier: 1,
    purchasedUpgradeIds:  [],
  },
  thralls:         [],
  totalBloodEarned: 0,
  upgrades:        [],
  zones:           [],
  ...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);

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

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

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

  it("returns 400 when recipeId is missing", async () => {
    const res = await post({});
    expect(res.status).toBe(400);
  });

  it("returns 404 for unknown recipe", async () => {
    const res = await post({ recipeId: "nonexistent_recipe" });
    expect(res.status).toBe(404);
  });

  it("returns 404 when no save is found", async () => {
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce(null);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(404);
  });

  it("returns 400 when vampire state is undefined", async () => {
    const state = makeState();
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(400);
  });

  it("returns 400 when recipe is already crafted", async () => {
    const vampire = makeVampireState({
      exploration: makeVampireExploration({ craftedRecipeIds: [TEST_RECIPE_ID] }),
    });
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(400);
  });

  it("returns 400 when first required material is insufficient", async () => {
    const vampire = makeVampireState({
      exploration: makeVampireExploration({
        materials: [
          { materialId: "bone_dust", quantity: 1 }, // needs 3
          { materialId: "grave_essence", quantity: 5 },
        ],
      }),
    });
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(400);
  });

  it("returns 400 when second required material is completely absent", async () => {
    // bone_dust present with enough, but grave_essence entirely absent — quantity ?? 0 = 0
    const vampire = makeVampireState({
      exploration: makeVampireExploration({
        materials: [{ materialId: "bone_dust", quantity: 5 }],
      }),
    });
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(400);
  });

  it("returns 200 with crafted result on success", async () => {
    const vampire = makeVampireState();
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(200);
    const body = await res.json() as {
      recipeId:                string;
      bonusType:               string;
      bonusValue:              number;
      craftedBloodMultiplier:  number;
      craftedCombatMultiplier: number;
      craftedIchorMultiplier:  number;
      materials:               Array<{ materialId: string; quantity: number }>;
    };
    expect(body.recipeId).toBe(TEST_RECIPE_ID);
    expect(body.bonusType).toBe("gold_income");
    expect(body.bonusValue).toBe(1.1);
    expect(body.craftedBloodMultiplier).toBeGreaterThan(1);
    expect(body.craftedCombatMultiplier).toBe(1);
    expect(body.craftedIchorMultiplier).toBe(1);
  });

  it("deducts required materials from the vampire exploration state on success", async () => {
    const vampire = makeVampireState();
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
    await post({ recipeId: TEST_RECIPE_ID });
    const updateArg = vi.mocked(prisma.gameState.update).mock.calls[0]![0] as {
      data: { state: GameState };
    };
    const updatedMaterials = updateArg.data.state.vampire?.exploration.materials ?? [];
    const boneDust = updatedMaterials.find((m) => m.materialId === "bone_dust");
    const graveEssence = updatedMaterials.find((m) => m.materialId === "grave_essence");
    // started with 5 each; bone_dust costs 3, grave_essence costs 2
    expect(boneDust?.quantity).toBe(2);
    expect(graveEssence?.quantity).toBe(3);
  });

  it("adds the recipeId to craftedRecipeIds in the saved state", async () => {
    const vampire = makeVampireState();
    const state = makeState({ vampire });
    vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
    vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
    await post({ recipeId: TEST_RECIPE_ID });
    const updateArg = vi.mocked(prisma.gameState.update).mock.calls[0]![0] as {
      data: { state: GameState };
    };
    expect(updateArg.data.state.vampire?.exploration.craftedRecipeIds).toContain(TEST_RECIPE_ID);
  });

  it("returns 500 when the database throws an Error", async () => {
    vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce(new Error("DB error"));
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(500);
  });

  it("returns 500 when the database throws a non-Error value", async () => {
    vi.mocked(prisma.gameState.findUnique).mockRejectedValueOnce("raw string error");
    const res = await post({ recipeId: TEST_RECIPE_ID });
    expect(res.status).toBe(500);
  });
});