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

// ─── Mocks ─────────────────────────────────────────────────────────────────────

const mockPasswordHash = bcrypt.hashSync("Itinova69!", 10);

vi.mock("./db", () => ({
  getUserByUsername: vi.fn().mockImplementation(async (username: string) => {
    if (username === "adminServPodcast") {
      return {
        id: 99,
        openId: "local-adminServPodcast",
        username: "adminServPodcast",
        name: "Administrateur Service Podcast",
        email: null,
        loginMethod: "local",
        role: "admin",
        passwordHash: mockPasswordHash,
        immutable: true,
        createdAt: new Date(),
        updatedAt: new Date(),
        lastSignedIn: new Date(),
      };
    }
    return undefined;
  }),
  getUserByOpenId: vi.fn().mockImplementation(async (openId: string) => {
    if (openId === "local-adminServPodcast") {
      return {
        id: 99,
        openId: "local-adminServPodcast",
        username: "adminServPodcast",
        name: "Administrateur Service Podcast",
        email: null,
        loginMethod: "local",
        role: "admin",
        passwordHash: mockPasswordHash,
        immutable: true,
        createdAt: new Date(),
        updatedAt: new Date(),
        lastSignedIn: new Date(),
      };
    }
    return undefined;
  }),
  upsertUser: vi.fn().mockResolvedValue(undefined),
  getAllEtablissements: vi.fn().mockResolvedValue([]),
  getAllMotsCles: vi.fn().mockResolvedValue([]),
  getPodcasts: vi.fn().mockResolvedValue([]),
  getPodcastById: vi.fn().mockResolvedValue(null),
  createPodcast: vi.fn().mockResolvedValue(1),
  updatePodcast: vi.fn().mockResolvedValue(undefined),
  deletePodcast: vi.fn().mockResolvedValue(undefined),
  getPodcastStats: vi.fn().mockResolvedValue({ total: 0, publies: 0, brouillons: 0, etablissements: 0 }),
  getAllUsers: vi.fn().mockResolvedValue([]),
  updateUserRole: vi.fn().mockResolvedValue(undefined),
  createLocalUser: vi.fn().mockResolvedValue(undefined),
  getEtablissementById: vi.fn().mockResolvedValue(null),
  createEtablissement: vi.fn().mockResolvedValue(undefined),
  updateEtablissement: vi.fn().mockResolvedValue(undefined),
  deleteEtablissement: vi.fn().mockResolvedValue(undefined),
  createMotCle: vi.fn().mockResolvedValue(undefined),
  deleteMotCle: vi.fn().mockResolvedValue(undefined),
}));

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

function makePublicCtx(): TrpcContext {
  const cookies: Record<string, string> = {};
  return {
    user: null,
    req: {
      protocol: "https",
      headers: {},
    } as TrpcContext["req"],
    res: {
      clearCookie: vi.fn(),
      cookie: vi.fn((name: string, value: string) => {
        cookies[name] = value;
      }),
    } as unknown as TrpcContext["res"],
  };
}

// ─── Tests ─────────────────────────────────────────────────────────────────────

describe("auth.loginLocal", () => {
  it("réussit avec les bonnes credentials adminServPodcast", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    const result = await caller.auth.loginLocal({
      username: "adminServPodcast",
      password: "Itinova69!",
    });

    expect(result.success).toBe(true);
    expect(result.user).toBeDefined();
    expect(result.user.username).toBe("adminServPodcast");
    expect(result.user.role).toBe("admin");
    expect(result.user.immutable).toBe(true);
  });

  it("échoue avec un mauvais mot de passe", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    await expect(
      caller.auth.loginLocal({
        username: "adminServPodcast",
        password: "mauvais-mot-de-passe",
      })
    ).rejects.toMatchObject({
      code: "UNAUTHORIZED",
      message: "Identifiant ou mot de passe incorrect",
    });
  });

  it("échoue avec un utilisateur inexistant", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    await expect(
      caller.auth.loginLocal({
        username: "utilisateurInexistant",
        password: "n'importe-quoi",
      })
    ).rejects.toMatchObject({
      code: "UNAUTHORIZED",
    });
  });

  it("définit un cookie de session après connexion réussie", async () => {
    const setCookieCalls: Array<{ name: string; value: string }> = [];
    const ctx: TrpcContext = {
      user: null,
      req: { protocol: "https", headers: {} } as TrpcContext["req"],
      res: {
        clearCookie: vi.fn(),
        cookie: vi.fn((name: string, value: string) => {
          setCookieCalls.push({ name, value });
        }),
      } as unknown as TrpcContext["res"],
    };

    const caller = appRouter.createCaller(ctx);
    await caller.auth.loginLocal({
      username: "adminServPodcast",
      password: "Itinova69!",
    });

    expect(setCookieCalls.length).toBeGreaterThan(0);
    expect(setCookieCalls[0].name).toBeDefined();
    expect(typeof setCookieCalls[0].value).toBe("string");
    expect(setCookieCalls[0].value.length).toBeGreaterThan(10);
  });
});

describe("compte adminServPodcast - propriétés immuables", () => {
  it("le compte est marqué immutable = true", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    const result = await caller.auth.loginLocal({
      username: "adminServPodcast",
      password: "Itinova69!",
    });

    expect(result.user.immutable).toBe(true);
  });

  it("le compte a le rôle admin", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    const result = await caller.auth.loginLocal({
      username: "adminServPodcast",
      password: "Itinova69!",
    });

    expect(result.user.role).toBe("admin");
  });

  it("le compte utilise la méthode de connexion locale", async () => {
    const ctx = makePublicCtx();
    const caller = appRouter.createCaller(ctx);

    const result = await caller.auth.loginLocal({
      username: "adminServPodcast",
      password: "Itinova69!",
    });

    expect(result.user.loginMethod).toBe("local");
  });
});