import { describe, expect, it, vi, beforeEach } from "vitest";
import { appRouter } from "./routers";
import type { TrpcContext } from "./_core/context";

// ─── Helpers ──────────────────────────────────────────────────────────────────

function makeUser(overrides: Partial<TrpcContext["user"]> = {}): NonNullable<TrpcContext["user"]> {
  return {
    id: 1,
    openId: "user-1",
    name: "Référent Test",
    email: "referent@test.fr",
    loginMethod: "manus",
    role: "user",
    sonumRole: "referent",
    cguAccepted: true,
    cguAcceptedAt: new Date(),
    createdAt: new Date(),
    updatedAt: new Date(),
    lastSignedIn: new Date(),
    ...overrides,
  };
}

function makeGestionnaire(): NonNullable<TrpcContext["user"]> {
  return makeUser({ id: 2, openId: "gestionnaire-1", sonumRole: "gestionnaire", name: "Gestionnaire SONUM" });
}

function makeCtx(user: NonNullable<TrpcContext["user"]> | null = null): TrpcContext {
  return {
    user,
    req: { protocol: "https", headers: {} } as TrpcContext["req"],
    res: {
      clearCookie: vi.fn(),
    } as unknown as TrpcContext["res"],
  };
}

// ─── Tests Auth ───────────────────────────────────────────────────────────────

describe("auth.logout", () => {
  it("clears the session cookie and returns success", async () => {
    const ctx = makeCtx(makeUser());
    const caller = appRouter.createCaller(ctx);
    const result = await caller.auth.logout();
    expect(result).toEqual({ success: true });
  });

  it("works for unauthenticated users too (public procedure)", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.auth.logout();
    expect(result).toEqual({ success: true });
  });
});

describe("auth.me", () => {
  it("returns null for unauthenticated user", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.auth.me();
    expect(result).toBeNull();
  });

  it("returns user for authenticated user", async () => {
    const user = makeUser();
    const ctx = makeCtx(user);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.auth.me();
    expect(result?.id).toBe(1);
    expect(result?.sonumRole).toBe("referent");
  });
});

// ─── Tests CGU ────────────────────────────────────────────────────────────────

describe("cgu.status", () => {
  it("throws UNAUTHORIZED for unauthenticated user", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    await expect(caller.cgu.status()).rejects.toThrow();
  });

  it("returns cgu status for authenticated user", async () => {
    const user = makeUser({ cguAccepted: true });
    const ctx = makeCtx(user);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.cgu.status();
    expect(result.accepted).toBe(true);
  });

  it("returns false when CGU not accepted", async () => {
    const user = makeUser({ cguAccepted: false, cguAcceptedAt: undefined });
    const ctx = makeCtx(user);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.cgu.status();
    expect(result.accepted).toBe(false);
  });
});

// ─── Tests Gestion des rôles ──────────────────────────────────────────────────

describe("admin.users (gestionnaire only)", () => {
  it("throws FORBIDDEN for a referent", async () => {
    const ctx = makeCtx(makeUser());
    const caller = appRouter.createCaller(ctx);
    await expect(caller.admin.users()).rejects.toMatchObject({ code: "FORBIDDEN" });
  });

  it("throws UNAUTHORIZED for unauthenticated user", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    await expect(caller.admin.users()).rejects.toThrow();
  });
});

describe("contact.toutesLesDemandes (gestionnaire only)", () => {
  it("throws FORBIDDEN for a referent", async () => {
    const ctx = makeCtx(makeUser());
    const caller = appRouter.createCaller(ctx);
    await expect(caller.contact.toutesLesDemandes()).rejects.toMatchObject({ code: "FORBIDDEN" });
  });
});

// ─── Tests Référentiel ────────────────────────────────────────────────────────

describe("referentiel.editeurs", () => {
  it("is accessible as a public procedure", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    // Should not throw (may return empty array if DB not available)
    const result = await caller.referentiel.editeurs();
    expect(Array.isArray(result)).toBe(true);
  });
});

describe("referentiel.blocsFonctionnels", () => {
  it("is accessible as a public procedure", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    const result = await caller.referentiel.blocsFonctionnels();
    expect(Array.isArray(result)).toBe(true);
  });
});

// ─── Tests Traçabilité ────────────────────────────────────────────────────────

describe("tracabilite.compteur", () => {
  it("throws UNAUTHORIZED for unauthenticated user", async () => {
    const ctx = makeCtx(null);
    const caller = appRouter.createCaller(ctx);
    await expect(caller.tracabilite.compteur({ etablissementId: 1 })).rejects.toThrow();
  });
});