import { describe, it, expect, beforeEach, vi } from "vitest";
import {
  generatePasswordResetToken,
  verifyPasswordResetToken,
  resetPasswordWithToken,
  sendPasswordResetEmail,
  createSupportTicket,
  getSupportTicket,
  getUserSupportTickets,
  updateSupportTicketStatus,
} from "../services/accountRecovery.ts";

describe("Account Recovery Service", () => {
  describe("Password Reset", () => {
    it("should generate a password reset token", async () => {
      // This test would need a mock database
      // For now, we're testing the service structure
      expect(typeof generatePasswordResetToken).toBe("function");
    });

    it("should verify a password reset token", async () => {
      expect(typeof verifyPasswordResetToken).toBe("function");
    });

    it("should reset password with token", async () => {
      expect(typeof resetPasswordWithToken).toBe("function");
    });

    it("should send password reset email", async () => {
      const result = await sendPasswordResetEmail(
        "test@example.com",
        "test-token-123",
        "http://localhost:3000"
      );
      expect(result).toBe(true);
    });
  });

  describe("Support Tickets", () => {
    it("should create a support ticket", async () => {
      const ticket = await createSupportTicket({
        email: "user@example.com",
        subject: "Test Issue",
        message: "This is a test support ticket",
        category: "technical",
      });

      expect(ticket).toBeDefined();
      expect(ticket.id).toBeDefined();
      expect(ticket.email).toBe("user@example.com");
      expect(ticket.subject).toBe("Test Issue");
      expect(ticket.status).toBe("open");
      expect(ticket.createdAt).toBeDefined();
    });

    it("should get a support ticket by ID", async () => {
      const created = await createSupportTicket({
        email: "user@example.com",
        subject: "Test Issue",
        message: "This is a test support ticket",
        category: "technical",
      });

      const retrieved = await getSupportTicket(created.id!);
      expect(retrieved).toBeDefined();
      expect(retrieved?.id).toBe(created.id);
      expect(retrieved?.email).toBe("user@example.com");
    });

    it("should return null for non-existent ticket", async () => {
      const ticket = await getSupportTicket("non-existent-id");
      expect(ticket).toBeNull();
    });

    it("should get user support tickets", async () => {
      const userId = "test-user-123";

      const ticket1 = await createSupportTicket({
        userId,
        email: "user@example.com",
        subject: "Issue 1",
        message: "First issue",
        category: "account",
      });

      const ticket2 = await createSupportTicket({
        userId,
        email: "user@example.com",
        subject: "Issue 2",
        message: "Second issue",
        category: "payment",
      });

      const tickets = await getUserSupportTickets(userId);
      expect(tickets.length).toBeGreaterThanOrEqual(2);
      expect(tickets.some((t) => t.id === ticket1.id)).toBe(true);
      expect(tickets.some((t) => t.id === ticket2.id)).toBe(true);
    });

    it("should update support ticket status", async () => {
      const ticket = await createSupportTicket({
        email: "user@example.com",
        subject: "Test Issue",
        message: "This is a test support ticket",
        category: "technical",
      });

      const updated = await updateSupportTicketStatus(ticket.id!, "in_progress");
      expect(updated).toBe(true);

      const retrieved = await getSupportTicket(ticket.id!);
      expect(retrieved?.status).toBe("in_progress");
    });

    it("should return false when updating non-existent ticket", async () => {
      const updated = await updateSupportTicketStatus("non-existent-id", "resolved");
      expect(updated).toBe(false);
    });

    it("should validate ticket categories", async () => {
      const categories: Array<"account" | "payment" | "technical" | "other"> = [
        "account",
        "payment",
        "technical",
        "other",
      ];

      for (const category of categories) {
        const ticket = await createSupportTicket({
          email: "user@example.com",
          subject: "Test",
          message: "Test message",
          category,
        });
        expect(ticket.category).toBe(category);
      }
    });
  });

  describe("Input Validation", () => {
    it("should validate email format", () => {
      const validEmail = "test@example.com";
      const invalidEmail = "invalid-email";

      expect(validEmail).toMatch(/^[^\s@]+@[^\s@]+\.[^\s@]+$/);
      expect(invalidEmail).not.toMatch(/^[^\s@]+@[^\s@]+\.[^\s@]+$/);
    });

    it("should validate subject length", async () => {
      const shortSubject = "Hi";
      const validSubject = "This is a valid subject";
      const longSubject = "A".repeat(201);

      expect(shortSubject.length).toBeLessThan(5);
      expect(validSubject.length).toBeGreaterThanOrEqual(5);
      expect(validSubject.length).toBeLessThanOrEqual(200);
      expect(longSubject.length).toBeGreaterThan(200);
    });

    it("should validate message length", async () => {
      const shortMessage = "Short";
      const validMessage = "This is a valid message with enough content";
      const longMessage = "A".repeat(5001);

      expect(shortMessage.length).toBeLessThan(10);
      expect(validMessage.length).toBeGreaterThanOrEqual(10);
      expect(validMessage.length).toBeLessThanOrEqual(5000);
      expect(longMessage.length).toBeGreaterThan(5000);
    });
  });
});