import { describe, it, expect, vi, beforeEach } from "vitest";
import { render, screen, fireEvent, waitFor } from "@solidjs/testing-library";
import { createSignal } from "solid-js";
import ProfessionAdminListPage from "~/components/admin/ProfessionAdminListPage";

// Mock fetch globally
const mockFetch = vi.fn();
global.fetch = mockFetch;

describe("ProfessionAdminListPage", () => {
  beforeEach(() => {
    mockFetch.mockClear();
  });

  it("renders page title and subtitle", async () => {
    mockFetch.mockResolvedValueOnce({
      ok: true,
      json: async () => [
        {
          id: "1",
          first_name: "John",
          last_name: "Doe",
          email: "john@example.com",
          phone: "1234567890",
          status: "ACTIVE",
          created_at: "2024-01-01T00:00:00Z",
        },
      ],
    });

    render(() =>
      ProfessionAdminListPage({
        endpoint: "/api/admin/test",
        title: "Test Management",
        subtitle: "Manage test records",
        emptyLabel: "No test records found.",
        viewHref: (id) => `/admin/test/${id}`,
      })
    );

    await waitFor(() => {
      expect(screen.getByText("Test Management")).toBeInTheDocument();
      expect(screen.getByText("Manage test records")).toBeInTheDocument();
    });
  });

  it("filters by search query", async () => {
    const mockData = [
      {
        id: "1",
        first_name: "Alice",
        last_name: "Smith",
        email: "alice@example.com",
        phone: "",
        status: "ACTIVE",
        created_at: "2024-01-01T00:00:00Z",
      },
      {
        id: "2",
        first_name: "Bob",
        last_name: "Jones",
        email: "bob@example.com",
        phone: "",
        status: "INACTIVE",
        created_at: "2024-01-02T00:00:00Z",
      },
    ];

    mockFetch.mockResolvedValueOnce({
      ok: true,
      json: async () => mockData,
    });

    render(() =>
      ProfessionAdminListPage({
        endpoint: "/api/admin/test",
        title: "Test",
        subtitle: "",
        emptyLabel: "Empty",
        viewHref: (id) => `/admin/test/${id}`,
      })
    );

    await waitFor(() => {
      expect(screen.getByText("Alice Smith")).toBeInTheDocument();
      expect(screen.getByText("Bob Jones")).toBeInTheDocument();
    });

    const input = screen.getByPlaceholderText("Search by name or email...");
    fireEvent.input(input, { target: { value: "alice" } });

    await waitFor(() => {
      expect(screen.getByText("Alice Smith")).toBeInTheDocument();
      expect(screen.queryByText("Bob Jones")).not.toBeInTheDocument();
    });
  });

  it("shows empty state when no data", async () => {
    mockFetch.mockResolvedValueOnce({
      ok: true,
      json: async () => [],
    });

    render(() =>
      ProfessionAdminListPage({
        endpoint: "/api/admin/test",
        title: "Test",
        subtitle: "",
        emptyLabel: "No records.",
        viewHref: (id) => `/admin/test/${id}`,
      })
    );

    await waitFor(() => {
      expect(screen.getByText("No records.")).toBeInTheDocument();
    });
  });

  it("handles fetch error gracefully", async () => {
    mockFetch.mockResolvedValueOnce({
      ok: false,
      status: 500,
    });

    render(() =>
      ProfessionAdminListPage({
        endpoint: "/api/admin/test",
        title: "Test",
        subtitle: "",
        emptyLabel: "Empty",
        viewHref: (id) => `/admin/test/${id}`,
      })
    );

    await waitFor(() => {
      expect(screen.getByText(/Failed to load/)).toBeInTheDocument();
    });
  });

  it("export button calls exportCsv and downloads file", async () => {
    const mockData = [
      {
        id: "1",
        first_name: "Alice",
        last_name: "Smith",
        email: "alice@example.com",
        phone: "123",
        status: "ACTIVE",
        created_at: "2024-01-01T00:00:00Z",
      },
    ];

    mockFetch.mockResolvedValueOnce({
      ok: true,
      json: async () => mockData,
    });

    // Mock URL.createObjectURL and link.click
    const mockClick = vi.fn();
    global.URL.createObjectURL = vi.fn(() => "blob:test");
    global.document.createElement = vi.fn(() => ({ click: mockClick, href: "" }));

    render(() =>
      ProfessionAdminListPage({
        endpoint: "/api/admin/test",
        title: "Test",
        subtitle: "",
        emptyLabel: "Empty",
        viewHref: (id) => `/admin/test/${id}`,
      })
    );

    await waitFor(() => {
      expect(screen.getByText("Alice Smith")).toBeInTheDocument();
    });

    const exportBtn = screen.getByText("Export");
    fireEvent.click(exportBtn);

    expect(mockClick).toHaveBeenCalled();
  });
});