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

async function fresh(ctx: BrowserContext) {
  const page = await ctx.newPage();
  await page.goto('/');
  await page.evaluate(() => { indexedDB.deleteDatabase('ttrpg-manager'); localStorage.clear(); });
  await page.reload();
  return page;
}

test('GM hosts a session; a player on another device sees live combat', async ({ browser }) => {
  const gmCtx = await browser.newContext();
  const playerCtx = await browser.newContext();

  // GM: load the sample campaign and host a session (hosting requires a signed-in GM).
  const gm = await fresh(gmCtx);
  await gm.evaluate(() => localStorage.setItem('ttrpg-cloud-user', 'GM'));
  gm.on('dialog', (d) => d.dismiss()); // dismiss the optional-password prompt
  await gm.getByLabel('Settings').click();
  await gm.getByRole('button', { name: 'Load sample campaign' }).click();
  await expect(gm.getByRole('heading', { name: 'Sample: Lost Mine' })).toBeVisible();
  await gm.getByRole('button', { name: 'Host' }).click();
  await gm.getByRole('button', { name: 'Start hosting' }).click();
  const code = (await gm.getByTestId('join-code').textContent())?.replace(/[^A-Z0-9]/g, '') ?? '';
  expect(code).toHaveLength(6);

  // Player: join via the room code on a separate context (device).
  const player = await playerCtx.newPage();
  await player.goto(`/play?room=${code}`);
  await expect(player.getByRole('heading', { name: 'Sample: Lost Mine' })).toBeVisible();
  await expect(player.getByText('Lia the Brave').first()).toBeVisible(); // party synced (also shown on the seat-claim screen)

  // GM starts the seeded encounter → player sees initiative live, enemy HP masked.
  await gm.getByLabel('Primary').getByRole('link', { name: 'Combat' }).click();
  await gm.getByText('Goblin Ambush').click();
  await gm.getByRole('button', { name: 'Start combat' }).click();

  await expect(player.getByText(/Round \d+/)).toBeVisible();
  await expect(player.getByText('Goblin').first()).toBeVisible();
  // enemy exact HP must NOT be shown to players
  await expect(player.getByText('7/7')).toHaveCount(0);

  // Player navigates away — the live connection persists (badge stays) and
  // returning still shows the synced table.
  await player.getByLabel('Primary').getByRole('link', { name: 'Dice' }).click();
  await expect(player.getByTestId('player-live')).toBeVisible();
  await expect(player.getByTestId('player-live')).toContainText(code);
  await player.getByTestId('player-live').getByRole('link').click();
  await expect(player.getByText('Lia the Brave').first()).toBeVisible();

  // GM rolls publicly on the Dice page → the player sees it in the table feed.
  await gm.getByLabel('Primary').getByRole('link', { name: 'Dice' }).click();
  await gm.getByRole('button', { name: 'Roll', exact: true }).click();
  await expect(player.getByText('Table rolls')).toBeVisible();
  await expect(player.getByText('GM').first()).toBeVisible();

  // Session sidebar: both the GM and the player see who's in the session.
  await gm.getByRole('button', { name: 'Open session panel' }).click();
  await expect(gm.getByText(/Who's here \(2\)/)).toBeVisible(); // GM + 1 player
  await player.getByRole('button', { name: 'Open session panel' }).click();
  await expect(player.getByText(/Who's here \(2\)/)).toBeVisible(); // host + player visible to everyone

  // Guest name: the player names themselves; the GM's roster updates (share button is per-name).
  await player.getByLabel('Your display name').fill('Alice');
  await player.getByLabel('Your display name').blur();
  await expect(gm.getByRole('button', { name: 'Share with Alice' })).toBeVisible({ timeout: 8000 });

  // Chat: a GM table message reaches the player; the player's reply reaches the GM.
  await gm.getByLabel('Chat message').fill('Welcome adventurers');
  await gm.getByRole('button', { name: 'Send' }).click();
  await expect(player.getByText('Welcome adventurers')).toBeVisible();
  await player.getByLabel('Chat message').fill('Hello GM');
  await player.getByRole('button', { name: 'Send' }).click();
  await expect(gm.getByText('Hello GM')).toBeVisible();

  // Targeted share: the GM sends a private note to the player; only they see it.
  await gm.getByRole('button', { name: /Share with/ }).click();
  await gm.getByLabel('Share title').fill('Secret passage');
  await gm.getByRole('button', { name: /Send to/ }).click();
  await expect(player.getByText('Just for you')).toBeVisible();
  await expect(player.getByText('Secret passage')).toBeVisible();

  await gmCtx.close();
  await playerCtx.close();
});
