/* 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();
  }),
}));

const DISCORD_ID = "test_discord_id";
// stardust_prayers_1 costs 2 stardust
const TEST_UPGRADE_ID = "stardust_prayers_1";

const makeGoddessState = (): NonNullable<GameState["goddess"]> => ({
  zones: [{ id: "goddess_celestial_garden", name: "Celestial Garden", description: "", emoji: "🌸", status: "unlocked", unlockBossId: null, unlockQuestId: null }],
  bosses: [
    {
      id:                      "divine_heart_sovereign",
      name:                    "Divine Heart Sovereign",
      description:             "",
      status:                  "defeated",
      maxHp:                   1000,
      currentHp:               0,
      damagePerSecond:         10,
      prayersReward:           100,
      divinityReward:          1,
      stardustReward:          1,
      upgradeRewards:          [],
      equipmentRewards:        [],
      consecrationRequirement: 0,
      zoneId:                  "goddess_celestial_garden",
      bountyDivinity:          5,
    },
  ],
  quests:     [],
  disciples:  [],
  equipment:  [],
  upgrades:   [],
  achievements: [],
  consecration: {
    count:                0,
    divinity:             10,
    productionMultiplier: 1,
    purchasedUpgradeIds:  [],
  },
  enlightenment: {
    count:                                  0,
    stardust:                               10,
    purchasedUpgradeIds:                    [],
    stardustPrayersMultiplier:              1,
    stardustCombatMultiplier:               1,
    stardustConsecrationThresholdMultiplier: 1,
    stardustConsecrationDivinityMultiplier:  1,
    stardustMetaMultiplier:                 1,
  },
  exploration: {
    areas:                    [],
    materials:                [],
    craftedRecipeIds:         [],
    craftedPrayersMultiplier: 1,
    craftedDivinityMultiplier: 1,
    craftedCombatMultiplier:  1,
  },
  totalPrayersEarned:      0,
  lifetimePrayersEarned:   0,
  lifetimeBossesDefeated:  0,
  lifetimeQuestsCompleted: 0,
  baseClickPower:          1,
  lastTickAt:              0,
});

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

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

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

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

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

    it("returns 400 when not eligible (final boss not defeated)", async () => {
      const goddess = makeGoddessState();
      // Override final boss to available (not defeated)
      goddess.bosses[0]!.status = "available";
      const state = makeState({ goddess });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("");
      expect(res.status).toBe(400);
    });

    it("returns 200 with stardustEarned and newEnlightenmentCount on success", async () => {
      const goddess = makeGoddessState();
      goddess.consecration.count = 4; // sqrt(4)*1 = 2 stardust
      const state = makeState({ goddess });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("");
      expect(res.status).toBe(200);
      const body = await res.json() as { stardustEarned: number; newEnlightenmentCount: number };
      expect(body.newEnlightenmentCount).toBe(1);
      expect(body.stardustEarned).toBeGreaterThanOrEqual(1);
    });

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

  describe("POST /buy-upgrade", () => {
    it("returns 400 when upgradeId is missing", async () => {
      const res = await post("/buy-upgrade", {});
      expect(res.status).toBe(400);
    });

    it("returns 404 for unknown upgrade", async () => {
      const res = await post("/buy-upgrade", { upgradeId: "nonexistent_upgrade" });
      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("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(404);
    });

    it("returns 400 when goddess is undefined", async () => {
      const state = makeState();
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(400);
    });

    it("returns 400 when upgrade is already purchased", async () => {
      const goddess = makeGoddessState();
      goddess.enlightenment.purchasedUpgradeIds = [TEST_UPGRADE_ID];
      const state = makeState({ goddess });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(400);
    });

    it("returns 400 when not enough stardust", async () => {
      const goddess = makeGoddessState();
      goddess.enlightenment.stardust = 0; // stardust_prayers_1 costs 2
      const state = makeState({ goddess });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      const res = await post("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(400);
    });

    it("returns 200 with updated multipliers on success", async () => {
      const goddess = makeGoddessState();
      goddess.enlightenment.stardust = 10;
      const state = makeState({ goddess });
      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
      const res = await post("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(200);
      const body = await res.json() as { stardustRemaining: number; purchasedUpgradeIds: string[] };
      expect(body.stardustRemaining).toBe(8); // 10 - 2
      expect(body.purchasedUpgradeIds).toContain(TEST_UPGRADE_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("/buy-upgrade", { upgradeId: TEST_UPGRADE_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("/buy-upgrade", { upgradeId: TEST_UPGRADE_ID });
      expect(res.status).toBe(500);
    });
  });
});