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

/**
 * Daily Zone check-in e2e (Workstream 16). Proves the contract: campus staff
 * (ZONE_CHECKIN) record/clear today's zone and read it back; "today" is
 * server-computed from the campus timezone; invalid zones are rejected; and
 * external roles are locked out.
 *
 * Requires the backend running with the database migrated + seeded (the Tigers
 * campus is seeded with `America/Phoenix`).
 */
const USER_PASSWORD = 'flatlogicUser123!';

const BACKEND_API_URL =
  process.env.VITE_BACKEND_API_URL || 'http://localhost:8080/api';

const ZONE_CHECKINS = `${BACKEND_API_URL}/zone_checkins`;
const ZONE_CHECKINS_TODAY = `${ZONE_CHECKINS}/today`;

const TEACHER = 'teacher@flatlogic.com';
const SUPPORT_STAFF = 'support_staff@flatlogic.com';
const GUARDIAN = 'guardian@flatlogic.com';

const DENIED = [400, 401, 403];

interface TodayPayload {
  readonly date: string;
  readonly zone: string | null;
  readonly isCheckedInToday: boolean;
}

async function logout(page: Page): Promise<void> {
  await page.request.post(`${BACKEND_API_URL}/auth/signout`);
  await page.context().clearCookies();
}

async function login(page: Page, email: string): Promise<void> {
  await logout(page);
  await page.goto('/login');
  await page.getByPlaceholder('you@school.edu').fill(email);
  await page.getByPlaceholder('Enter your password').fill(USER_PASSWORD);
  await page.getByRole('button', { name: 'Sign In', exact: true }).click();
  await page.waitForURL((url) => !url.pathname.startsWith('/login'), {
    timeout: 10_000,
  });
}

test.describe('Daily Zone check-in', () => {
  test('a teacher records, reads back, and clears today (campus-local)', async ({ page }) => {
    await login(page, TEACHER);

    // Clean slate, then check in.
    await page.request.delete(ZONE_CHECKINS_TODAY);
    const created = await page.request.post(ZONE_CHECKINS, {
      data: { data: { zone: 'green' } },
    });
    expect(created.ok()).toBe(true);

    const today = (await (await page.request.get(ZONE_CHECKINS_TODAY)).json()) as TodayPayload;
    expect(today.isCheckedInToday).toBe(true);
    expect(today.zone).toBe('green');
    // "today" is a YYYY-MM-DD date (server-computed in the campus timezone).
    expect(today.date).toMatch(/^\d{4}-\d{2}-\d{2}$/);

    const cleared = await page.request.delete(ZONE_CHECKINS_TODAY);
    expect(cleared.ok()).toBe(true);
    const after = (await (await page.request.get(ZONE_CHECKINS_TODAY)).json()) as TodayPayload;
    expect(after.isCheckedInToday).toBe(false);
    expect(after.zone).toBeNull();
  });

  test('an invalid zone is rejected', async ({ page }) => {
    await login(page, SUPPORT_STAFF);
    const res = await page.request.post(ZONE_CHECKINS, {
      data: { data: { zone: 'purple' } },
    });
    expect(DENIED).toContain(res.status());
  });

  test('external roles cannot check in', async ({ page }) => {
    await login(page, GUARDIAN);
    expect(DENIED).toContain((await page.request.get(ZONE_CHECKINS_TODAY)).status());
    const create = await page.request.post(ZONE_CHECKINS, {
      data: { data: { zone: 'green' } },
    });
    expect(DENIED).toContain(create.status());
  });
});