import { test, expect, Page } from '@playwright/test';

const PASSWORD = 'supersecret123';
const uniqueEmail = () => `disable-${Date.now().toString(36)}${Math.random().toString(36).slice(2, 7)}@example.com`;

async function register(page: Page, email: string) {
  await page.goto('/register');
  await page.getByRole('textbox', { name: 'Email' }).fill(email);
  await page.getByLabel('Password').fill(PASSWORD);
  await page.getByRole('button', { name: 'Create account' }).click();
  // Registering now closes the auth modal and returns to the page behind it, so
  // the header rather than the URL is what proves the session exists. The wait
  // is generous because this is a bcrypt round-trip rather than a render.
  await expect(page.getByRole('button', { name: 'My Account' })).toBeVisible({ timeout: 20000 });
}

async function customerRow(page: Page, email: string) {
  await page.goto('/admin');
  await page.getByRole('tab', { name: 'Customers' }).click();
  const row = page.getByRole('row').filter({ hasText: email });
  await expect(row).toBeVisible();
  return row;
}

test.describe('Disabling a customer account', () => {
  test('an admin can disable an account and the customer is told at sign-in', async ({ page }) => {
    const email = uniqueEmail();
    await register(page, email);

    const row = await customerRow(page, email);
    await expect(row.getByText('ACTIVE')).toBeVisible();

    await row.getByRole('button', { name: 'Disable' }).click();
    await page.getByRole('dialog').getByRole('button', { name: 'Disable' }).click();
    await expect(page.getByText('Account disabled')).toBeVisible();

    const updated = page.getByRole('row').filter({ hasText: email });
    await expect(updated.getByText('DISABLED')).toBeVisible();

    // A generic credential error would send a real customer round the
    // password-reset loop forever.
    await page.goto('/login');
    await page.getByRole('textbox', { name: 'Email' }).fill(email);
    await page.getByLabel('Password').fill(PASSWORD);
    // Scoped to the modal: the storefront rendered behind it has a "Log in"
    // button of its own, which is what opened this one.
    await page.getByRole('dialog', { name: 'Log in' }).getByRole('button', { name: 'Log in' }).click();
    await expect(page.getByText(/disabled/i)).toBeVisible();
  });

  test('an existing session stops working immediately', async ({ page, request }) => {
    const email = uniqueEmail();
    await register(page, email);

    // Still signed in from registration, in this same browser context.
    await page.goto('/account');
    await expect(page.getByText(email)).toBeVisible();

    const customers = await (await request.get('/api/admin/customers')).json();
    const id = customers.find((c: { email: string }) => c.email === email).id;
    await request.post(`/api/admin/customers/${id}/disable`);

    // The cookie is unchanged, so this proves the server rejects it rather
    // than the browser having discarded it.
    await page.goto('/account');
    await expect(page).toHaveURL(/\/login/);
  });

  test('re-enabling restores sign-in', async ({ page, request }) => {
    const email = uniqueEmail();
    await register(page, email);

    const customers = await (await request.get('/api/admin/customers')).json();
    const id = customers.find((c: { email: string }) => c.email === email).id;
    await request.post(`/api/admin/customers/${id}/disable`);

    const row = await customerRow(page, email);
    await row.getByRole('button', { name: 'Re-enable' }).click();
    await page.getByRole('dialog').getByRole('button', { name: 'Re-enable' }).click();
    await expect(page.getByText('Account re-enabled')).toBeVisible();

    await page.goto('/login');
    await page.getByRole('textbox', { name: 'Email' }).fill(email);
    await page.getByLabel('Password').fill(PASSWORD);
    // Scoped to the modal: the storefront rendered behind it has a "Log in"
    // button of its own, which is what opened this one.
    await page.getByRole('dialog', { name: 'Log in' }).getByRole('button', { name: 'Log in' }).click();
    await expect(page.getByRole('button', { name: 'My Account' })).toBeVisible({ timeout: 20000 });
  });

  test('the confirmation warns that held items will be released', async ({ page, request }) => {
    const email = uniqueEmail();
    const itemName = `Held ${Date.now().toString(36)}`;

    const created = await request.post('/api/admin/items', {
      multipart: { name: itemName, description: '', price: '40', category_id: '', tags: '[]' }
    });
    const itemId = (await created.json()).id as number;

    await register(page, email);
    expect((await page.request.post(`/api/cart/items/${itemId}`)).status()).toBe(201);

    const row = await customerRow(page, email);
    await row.getByRole('button', { name: 'Disable' }).click();

    // The consequence has to be visible at the moment of the decision.
    await expect(page.getByText(/1 reserved item/)).toBeVisible();
    await page.getByRole('dialog').getByRole('button', { name: 'Disable' }).click();
    await expect(page.getByText('Account disabled')).toBeVisible();

    const item = await (await request.get(`/api/items/${itemId}`)).json();
    expect(item.status).toBe('available');
  });
});