import { test, expect, type Page } from './fixtures';

// Simulate the native (Capacitor) channel. @capacitor/core — loaded during boot by initNativeShell —
// derives the platform from window.androidBridge / window.webkit and REPLACES any pre-set
// window.Capacitor with its own shim (whose getPlatform() would otherwise report 'web'), so the
// reliable native signal is the bridge marker, injected before any app script runs. clientChannel()
// then resolves to 'android', which flips the offline-first cold boot (app.svelte.ts), the loader's
// bundled-dict tier (lib/dict/loader.ts) and every native gate. The bridge is a stub with no real
// native runtime behind it; initNativeShell tolerates that (its @capacitor/app addListener is wrapped).
async function simulateNative(page: Page): Promise<void> {
  await page.addInitScript(() => {
    (window as unknown as { androidBridge: { postMessage: () => void } }).androidBridge = { postMessage: () => {} };
    (window as unknown as { Capacitor: { getPlatform: () => string } }).Capacitor = { getPlatform: () => 'android' };
  });
}

// The native cold boot skips the blocking login and lands straight in the lobby as a device-local
// guest in (auto) offline mode: the header carries the offline tint and the tab bar is present with
// no guest sign-in click. Offline the seeded online game (vs Ann) is hidden and Stats is disabled.
async function expectOfflineGuestLobby(page: Page): Promise<void> {
  await expect(page.locator('header.nav.offline')).toBeVisible();
  await expect(page.locator('button.tab').nth(2)).toBeVisible();
  await expect(page.getByText('Ann', { exact: false })).toHaveCount(0);
  await expect(page.locator('button.tab').nth(1)).toBeDisabled();
}

// Pick a rack tile by its glyph and drop it on a board square (the pinned-seed rack is all-distinct).
async function placeTile(page: Page, glyph: string, row: number, col: number): Promise<void> {
  await page.locator('.rack .tile', { hasText: glyph }).first().click();
  await page.locator(`[data-cell][data-row="${row}"][data-col="${col}"]`).click();
}

// typePin clicks the on-screen keypad digits (mirrors hotseat.spec — the pad has no OK button, so the
// 4th digit is the action; wait for the dots to clear so a call right after a previous entry keeps them).
async function typePin(page: Page, digits: string): Promise<void> {
  await expect(page.locator('.pad .dot.on')).toHaveCount(0);
  for (const d of digits) await page.locator('.pad .key', { hasText: d }).click();
}

test.describe('native offline-first', () => {
  test('cold-boots to the offline guest lobby, plays local vs_ai, reconciles a server guest online', async ({ page }) => {
    await simulateNative(page);
    await page.goto('/');
    await expectOfflineGuestLobby(page);

    // Play a local English vs_ai game with a pinned bag seed (deals the rack NEWYMAO). The dictionary
    // comes from the APK's bundled tier (./dict/scrabble_en@dev.dawg served from dist-e2e), so no
    // network is needed — this is the device-local guest playing with zero connectivity.
    await page.evaluate(() => (window as unknown as { __mock: { setLocalSeed(s: string): void } }).__mock.setLocalSeed('1'));
    await page.locator('button.tab').nth(0).click();
    await page.locator('.variant', { hasText: 'Scrabble' }).click();
    await page.locator('button.invite').click();
    await expect(page.locator('[data-cell]').first()).toBeVisible();

    // The human plays WAY horizontally across the centre (7,5)-(7,7); the local robot replies with a
    // real move (which needs the bundled dictionary), so the board gains tiles beyond WAY's three.
    await placeTile(page, 'W', 7, 5);
    await placeTile(page, 'A', 7, 6);
    await placeTile(page, 'Y', 7, 7);
    await expect(page.locator('[data-cell].pending')).toHaveCount(3);
    await page.locator('.make').click();
    await expect(async () => {
      expect(await page.locator('[data-cell].filled').count()).toBeGreaterThan(3);
    }).toPass({ timeout: 15000 });

    // Back to the lobby (still offline): the device-local vs_ai game (🤖) is listed. Then the network
    // returns: reconciliation silently mints + adopts a server guest and clears the auto-offline, so
    // online lights up — the offline tint drops, the seeded online game (vs Ann) appears and Stats
    // re-enables. The local game STAYS visible in the unified lobby alongside the server games — a
    // reconciled guest keeps its device-local games.
    await page.getByRole('button', { name: /Back|Назад/i }).click();
    await expect(page.locator('button.tab').nth(2)).toBeVisible();
    await expect(page.locator('.rowwrap').filter({ hasText: '🤖' })).toBeVisible(); // the local vs_ai game, listed while offline
    await page.evaluate(() => (window as unknown as { __native: { reconcile(): void } }).__native.reconcile());
    await expect(page.locator('header.nav.offline')).toHaveCount(0);
    await expect(page.getByText('Ann', { exact: false }).first()).toBeVisible({ timeout: 15000 });
    await expect(page.locator('.rowwrap').filter({ hasText: '🤖' })).toBeVisible(); // still listed online — the reconciled guest keeps it
    await expect(page.locator('button.tab').nth(1)).toBeEnabled();

    // The native sign-in surface is guest + email only: on Profile the Telegram + VK LINK buttons are
    // hidden (their login widget / full-page redirect cannot return into the WebView), while email account
    // management stays. loginWidgetAvailable/vkWebLinkAvailable are true under the mock, so on web these
    // buttons DO show (social.spec links Telegram there) — a count of 0 here proves the native gate, not a
    // merely-absent button.
    await page.getByRole('button', { name: /Settings/ }).click();
    await page.getByRole('button', { name: 'Profile', exact: true }).click();
    await expect(page.getByRole('button', { name: /Link Telegram/i })).toHaveCount(0);
    await expect(page.getByRole('button', { name: /Link VK/i })).toHaveCount(0);
    await expect(page.getByText('you@example.com')).toBeVisible();
  });

  test('starts a 2-player hotseat game as an offline guest', async ({ page }) => {
    await simulateNative(page);
    await page.goto('/');
    await expectOfflineGuestLobby(page);

    // New game -> the offline mode selector offers "with friends" (pass-and-play) to the local guest.
    // A minimal create: set the mandatory host (master) PIN, decline a seat, English, two open seats.
    await page.locator('button.tab').nth(0).click();
    await page.getByRole('button', { name: /With friends|друзьями/i }).click();
    await page.locator('.hostpin .plink').click();
    await typePin(page, '9999');
    await typePin(page, '9999');
    await page.getByRole('button', { name: /^(No|Нет)$/ }).click();
    await page.locator('.variant', { hasText: 'Scrabble' }).click();
    await page.locator('.pname').nth(0).fill('Ann');
    await page.locator('.pname').nth(1).fill('Bob');
    await page.locator('button.invite').click();

    // The hotseat game starts: the board renders — a 2-player local pass-and-play game running with no
    // network, reached straight from the native offline-first boot as the device-local guest.
    await expect(page.locator('[data-cell]').first()).toBeVisible();
  });
});