import { describe, it, expect, beforeEach, vi } from 'vitest';
import { screen, fireEvent, waitFor } from '@testing-library/react';
import { Routes, Route } from 'react-router-dom';
import { renderWithProviders } from '../test/utils';

vi.mock('../lib/api', () => ({
  api: { get: vi.fn(), post: vi.fn(), patch: vi.fn(), put: vi.fn(), delete: vi.fn() },
  ApiError: class extends Error {},
}));

import { api } from '../lib/api';
import PatientDetailPage from './PatientDetailPage';

const get = api.get as ReturnType<typeof vi.fn>;

beforeEach(() => {
  get.mockReset();
  get.mockImplementation((url: string) => {
    if (url === '/api/v1/patient/r1') return Promise.resolve({ success: true, data: {
      uuid: 'r1', user_name: 'ساغر صابری', record_number: 'P-1001',
      user_mobile: '09120000000', user_national_code: '1234567890',
      profile: { gender: 'female', referral_source: 'اینستاگرام', address: 'یزد', description: 'یادداشت' },
    } });
    if (url === '/api/v1/patient/r1/payments') return Promise.resolve({ success: true, data: [
      { uuid: 'p1', amount_rials: 250000, status: 'success', gateway: 'mellat', created_at: 1700000000 },
    ], meta: { totalRecords: 1 } });
    if (url === '/api/v1/patient/r1/wallet') return Promise.resolve({ success: true, data: {
      balance_rials: 300000,
      recent_transactions: [{ uuid: 't1', amount_rials: 500000, type: 'credit', description: 'شارژ', balance_after: 300000, created_at: 1700000000 }],
    } });
    return Promise.resolve({ success: true, data: [] });
  });
});

function renderDetail() {
  return renderWithProviders(
    <Routes>
      <Route path="/admin/patients/:uuid" element={<PatientDetailPage />} />
    </Routes>,
    { route: '/admin/patients/r1' },
  );
}

describe('PatientDetailPage (پرونده تب‌دار)', () => {
  it('renders the header and tab bar', async () => {
    renderDetail();
    expect(await screen.findByText('ساغر صابری')).toBeInTheDocument();
    expect(screen.getByText('سرویس‌ها')).toBeInTheDocument();
    expect(screen.getByText('اطلاعات پرونده')).toBeInTheDocument();
    expect(screen.getByText('پرونده پزشکی')).toBeInTheDocument();
  });

  it('shows patient info on the info tab', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('اطلاعات پرونده'));
    expect(screen.getByText('کد ملی')).toBeInTheDocument();
    expect(screen.getByText('1234567890')).toBeInTheDocument();
    expect(screen.getByText('اینستاگرام')).toBeInTheDocument();
  });

  it('renders the call-center tab with a register form and history', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('کال سنتر'));
    expect(await screen.findByText('ثبت تماس جدید')).toBeInTheDocument();
    expect(screen.getByText('تاریخچه تماس‌ها')).toBeInTheDocument();
    expect(screen.getByPlaceholderText('موضوع تماس')).toBeInTheDocument();
    expect(await screen.findByText('تماسی ثبت نشده است.')).toBeInTheDocument();
  });

  it('renders the attachments tab with an upload button', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('ضمیمه'));
    expect(await screen.findByRole('button', { name: /آپلود فایل جدید/ })).toBeInTheDocument();
    expect(await screen.findByText('هنوز فایلی ضمیمه نشده است.')).toBeInTheDocument();
  });

  it('opens the add-exam modal on the medical-record tab', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('پرونده پزشکی'));
    fireEvent.click(await screen.findByRole('button', { name: /ثبت معاینه جدید/ }));
    // modal opens with a title field
    expect(await screen.findByPlaceholderText('مثلاً: معاینه اولیه')).toBeInTheDocument();
  });

  it('links "سرویس جدید" on the services tab to the new-session route', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری'); // services is the default tab
    const link = await screen.findByRole('link', { name: /سرویس جدید/ });
    expect(link).toHaveAttribute('href', '/admin/patients/r1/session/new');
  });

  it('lists patient payments with status label on the payments tab', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('پرداخت‌ها'));
    expect(await screen.findByText('موفق')).toBeInTheDocument();
    expect(screen.getByText(/mellat/)).toBeInTheDocument();
  });

  it('shows wallet balance and a transaction on the wallet tab', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('کیف پول'));
    expect(await screen.findByText('موجودی کیف پول')).toBeInTheDocument();
    expect(await screen.findByText('شارژ')).toBeInTheDocument();
  });

  it('opens the wallet tab directly via ?tab=wallet and offers a top-up', async () => {
    renderWithProviders(
      <Routes><Route path="/admin/patients/:uuid" element={<PatientDetailPage />} /></Routes>,
      { route: '/admin/patients/r1?tab=wallet' },
    );
    expect(await screen.findByText('موجودی کیف پول')).toBeInTheDocument();
    fireEvent.click(screen.getByRole('button', { name: /شارژ کیف پول/ }));
    expect(await screen.findByText('مبلغ شارژ (تومان)')).toBeInTheDocument();
    expect(screen.getByRole('button', { name: 'ثبت شارژ' })).toBeDisabled();
  });

  it('posts the manual wallet charge', async () => {
    const post = api.post as ReturnType<typeof vi.fn>;
    post.mockResolvedValue({ success: true, data: { balance_rials: 800000, transaction: {} } });
    renderWithProviders(
      <Routes><Route path="/admin/patients/:uuid" element={<PatientDetailPage />} /></Routes>,
      { route: '/admin/patients/r1?tab=wallet' },
    );
    await screen.findByText('موجودی کیف پول');
    fireEvent.click(screen.getByRole('button', { name: /شارژ کیف پول/ }));
    fireEvent.change(await screen.findByPlaceholderText('مثلاً: بیعانه نوبت'), { target: { value: 'بیعانه' } });
    // PriceInput displays toman; typing 30,000 toman = 300,000 rials
    const priceInput = screen.getByText('مبلغ شارژ (تومان)').parentElement!.querySelector('input')!;
    fireEvent.change(priceInput, { target: { value: '30000' } });
    fireEvent.click(screen.getByRole('button', { name: 'ثبت شارژ' }));
    await waitFor(() => expect(post).toHaveBeenCalledWith('/api/v1/patient/r1/wallet/charge', expect.objectContaining({
      description: 'بیعانه',
    })));
  });

  it('renders the messages tab with a send box', async () => {
    renderDetail();
    await screen.findByText('ساغر صابری');
    fireEvent.click(screen.getByText('پیام‌ها'));
    expect(await screen.findByPlaceholderText('متن پیام...')).toBeInTheDocument();
    expect(screen.getByRole('button', { name: 'ارسال' })).toBeInTheDocument();
    expect(await screen.findByText('پیامی ثبت نشده است.')).toBeInTheDocument();
  });
});