/**
 * Unit Tests for Invitation Acceptance Flow
 *
 * Tests the invitation token validation, user creation, and organization membership.
 */

// Set mock DATABASE_URL to prevent Prisma from connecting
process.env.DATABASE_URL = "postgresql://mock:mock@localhost:5432/mock";

import { jest } from "@jest/globals";

// Create mock functions
const mockFindUnique = jest.fn();
const mockUpdate = jest.fn();
const mockCreate = jest.fn();
const mockFindFirst = jest.fn();

// Mock cuid2 FIRST before any other imports
jest.mock("@paralleldrive/cuid2", () => ({
  createId: jest.fn(() => `test_id_${Date.now()}`),
}));

// Mock dependencies
jest.mock("@/lib/db", () => ({
  prisma: {
    organization_invitations: {
      findUnique: mockFindUnique,
      update: mockUpdate,
    },
    users: {
      findUnique: mockFindUnique,
      create: mockCreate,
    },
    organization_members: {
      findFirst: mockFindFirst,
      create: mockCreate,
    },
  },
}));

jest.mock("@/lib/supabase", () => ({
  supabaseAdmin: {
    from: jest.fn(() => ({
      upsert: jest.fn().mockResolvedValue({ error: null }),
      insert: jest.fn().mockResolvedValue({ error: null }),
      update: jest.fn().mockResolvedValue({ error: null }),
    })),
  },
}));

jest.mock("@/lib/logger", () => ({
  logger: {
    info: jest.fn(),
    error: jest.fn(),
    warn: jest.fn(),
  },
}));

jest.mock("@/lib/dual-database", () => ({
  saveToBothDatabases: jest.fn(),
  saveUserToBoth: jest.fn(),
  saveAuditLogToBoth: jest.fn(),
}));

jest.mock("bcryptjs", () => ({
  default: { hash: mockHash },
  hash: mockHash,
}));

import { prisma } from "@/lib/db";

// Route migrated to Convex - mocks reference old prisma patterns
describe.skip("Invitation Acceptance Flow", () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  describe("Token Validation", () => {
    it("should validate a valid token and return invitation details", async () => {
      const mockInvitation = {
        id: "invite_123",
        email: "newuser@example.com",
        name: "New User",
        role: "STAFF",
        token: "valid_token_123",
        status: "PENDING",
        expiresAt: new Date(Date.now() + 7 * 24 * 60 * 60 * 1000), // 7 days from now
        organization: {
          id: "org_123",
          name: "Test Clinic",
        },
      };

      mockFindUnique.mockResolvedValueOnce(mockInvitation);

      const invitation = await prisma.organization_invitations.findUnique({
        where: { token: "valid_token_123" },
        include: { organization: { select: { id: true, name: true } } },
      });

      expect(invitation).not.toBeNull();
      expect(invitation?.status).toBe("PENDING");
      expect(invitation?.role).toBe("STAFF");
      expect(invitation?.organization.name).toBe("Test Clinic");
    });

    it("should reject expired tokens", async () => {
      const mockInvitation = {
        id: "invite_123",
        email: "newuser@example.com",
        token: "expired_token",
        status: "PENDING",
        expiresAt: new Date(Date.now() - 24 * 60 * 60 * 1000), // Expired yesterday
      };

      mockFindUnique.mockResolvedValueOnce(mockInvitation);

      const invitation = await prisma.organization_invitations.findUnique({
        where: { token: "expired_token" },
      });

      expect(invitation).not.toBeNull();
      expect(new Date() > invitation!.expiresAt).toBe(true);
    });

    it("should reject already accepted tokens", async () => {
      const mockInvitation = {
        id: "invite_123",
        email: "existing@example.com",
        token: "accepted_token",
        status: "ACCEPTED",
        expiresAt: new Date(Date.now() + 7 * 24 * 60 * 60 * 1000),
      };

      mockFindUnique.mockResolvedValueOnce(mockInvitation);

      const invitation = await prisma.organization_invitations.findUnique({
        where: { token: "accepted_token" },
      });

      expect(invitation?.status).toBe("ACCEPTED");
      expect(invitation?.status).not.toBe("PENDING");
    });

    it("should return null for invalid tokens", async () => {
      mockFindUnique.mockResolvedValueOnce(null);

      const invitation = await prisma.organization_invitations.findUnique({
        where: { token: "invalid_token" },
      });

      expect(invitation).toBeNull();
    });
  });

  describe("User Existence Check", () => {
    it("should detect existing user by email", async () => {
      const mockUser = {
        id: "user_existing",
        email: "existing@example.com",
        name: "Existing User",
      };

      mockFindUnique.mockResolvedValueOnce(mockUser);

      const user = await prisma.users.findUnique({
        where: { email: "existing@example.com" },
      });

      expect(user).not.toBeNull();
      expect(user?.id).toBe("user_existing");
    });

    it("should return null for new users", async () => {
      mockFindUnique.mockResolvedValueOnce(null);

      const user = await prisma.users.findUnique({
        where: { email: "newuser@example.com" },
      });

      expect(user).toBeNull();
    });
  });

  describe("New User Creation", () => {
    it("should hash password before creating user", async () => {
      const password = "SecurePass123!";

      await mockHash(password, 12);

      expect(mockHash).toHaveBeenCalledWith(password, 12);
    });

    it("should create user with auto-verified email", async () => {
      const mockUser = {
        id: "user_new",
        email: "newuser@example.com",
        name: "New User",
        password: "hashed_password_123",
        role: "CUSTOMER",
        isActive: true,
        emailVerified: new Date(),
      };

      mockCreate.mockResolvedValueOnce(mockUser);

      const user = await prisma.users.create({
        data: {
          email: "newuser@example.com",
          name: "New User",
          password: "hashed_password_123",
          role: "CUSTOMER",
          isActive: true,
          emailVerified: new Date(),
        },
      });

      expect(user.email).toBe("newuser@example.com");
      expect(user.emailVerified).toBeDefined();
      expect(user.isActive).toBe(true);
    });
  });

  describe("Organization Membership", () => {
    it("should create membership with correct role", async () => {
      const mockMember = {
        id: "member_123",
        organizationId: "org_123",
        userId: "user_new",
        role: "STAFF",
        joinedAt: new Date(),
      };

      mockCreate.mockResolvedValueOnce(mockMember);

      const member = await prisma.organization_members.create({
        data: {
          organizationId: "org_123",
          userId: "user_new",
          role: "STAFF",
          joinedAt: new Date(),
        },
      });

      expect(member.role).toBe("STAFF");
      expect(member.organizationId).toBe("org_123");
    });

    it("should check for existing membership before creating", async () => {
      mockFindFirst.mockResolvedValueOnce(null);

      const existingMembership = await prisma.organization_members.findFirst({
        where: {
          organizationId: "org_123",
          userId: "user_existing",
        },
      });

      expect(existingMembership).toBeNull();
    });

    it("should prevent duplicate memberships", async () => {
      const mockExistingMember = {
        id: "member_existing",
        organizationId: "org_123",
        userId: "user_existing",
        role: "STAFF",
      };

      mockFindFirst.mockResolvedValueOnce(mockExistingMember);

      const existingMembership = await prisma.organization_members.findFirst({
        where: {
          organizationId: "org_123",
          userId: "user_existing",
        },
      });

      expect(existingMembership).not.toBeNull();
      expect(existingMembership?.id).toBe("member_existing");
    });
  });

  describe("Invitation Status Update", () => {
    it("should mark invitation as ACCEPTED after successful acceptance", async () => {
      const mockUpdatedInvitation = {
        id: "invite_123",
        status: "ACCEPTED",
        acceptedAt: new Date(),
      };

      mockUpdate.mockResolvedValueOnce(mockUpdatedInvitation);

      const updated = await prisma.organization_invitations.update({
        where: { id: "invite_123" },
        data: {
          status: "ACCEPTED",
          acceptedAt: new Date(),
        },
      });

      expect(updated.status).toBe("ACCEPTED");
      expect(updated.acceptedAt).toBeDefined();
    });
  });
});
