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

// Phase 5: Account becomes an inset-grouped hub on mobile (Profile /
// Preferences / Change password + red Log out at the bottom) and
// /library hosts a SegmentedControl over Bookmarks / Collections /
// History. Profile-layout horizontal tabs are hidden on mobile. Desktop
// is unchanged.

const MOBILE = { width: 390, height: 844 } as const;
const DESKTOP = { width: 1280, height: 720 } as const;

async function mockSession(
    page: Page,
    opts: { authed?: boolean; logoutCalls?: { count: number } } = {}
) {
    const authed = opts.authed ?? false;
    await page.route('**/api/v1/auth/config', (route) =>
        route.fulfill({
            status: 200,
            contentType: 'application/json',
            body: JSON.stringify({ self_register_enabled: true, private_mode: false })
        })
    );
    await page.route('**/api/v1/auth/me', (route) =>
        route.fulfill({
            status: authed ? 200 : 401,
            contentType: 'application/json',
            body: authed
                ? JSON.stringify({
                      user: {
                          id: 'u1',
                          username: 'fabian',
                          created_at: '2026-01-05T00:00:00Z',
                          is_admin: false
                      }
                  })
                : JSON.stringify({
                      error: { code: 'unauthenticated', message: 'unauthenticated' }
                  })
        })
    );
    await page.route('**/api/v1/auth/me/preferences', (route) =>
        route.fulfill({
            status: authed ? 200 : 401,
            contentType: 'application/json',
            body: authed
                ? JSON.stringify({
                      reader_mode: 'single',
                      reader_page_gap: 'none',
                      updated_at: '2026-01-05T00:00:00Z'
                  })
                : JSON.stringify({ error: { code: 'x', message: 'x' } })
        })
    );
    await page.route('**/api/v1/auth/logout', (route) => {
        if (opts.logoutCalls) opts.logoutCalls.count += 1;
        return route.fulfill({ status: 204, body: '' });
    });
}

async function mockLibraryData(page: Page, opts: { authed?: boolean } = {}) {
    const status = opts.authed ? 200 : 401;
    const emptyPage = JSON.stringify({
        items: [],
        page: { limit: 50, offset: 0, total: 0 }
    });
    const unauth = JSON.stringify({
        error: { code: 'unauthenticated', message: 'unauthenticated' }
    });
    await page.route('**/api/v1/me/bookmarks*', (route) =>
        route.fulfill({
            status,
            contentType: 'application/json',
            body: opts.authed ? emptyPage : unauth
        })
    );
    await page.route('**/api/v1/me/collections*', (route) =>
        route.fulfill({
            status,
            contentType: 'application/json',
            body: opts.authed ? emptyPage : unauth
        })
    );
    await page.route('**/api/v1/me/read-progress*', (route) =>
        route.fulfill({
            status,
            contentType: 'application/json',
            body: opts.authed ? emptyPage : unauth
        })
    );
}

test.describe('mobile library', () => {
    test('phone viewport: BottomNav Library tab navigates to /library', async ({
        page
    }) => {
        await mockSession(page);
        await mockLibraryData(page);
        await page.route('**/api/v1/mangas*', (route) =>
            route.fulfill({
                status: 200,
                contentType: 'application/json',
                body: JSON.stringify({
                    items: [],
                    page: { limit: 50, offset: 0, total: 0 }
                })
            })
        );
        await page.setViewportSize(MOBILE);
        await page.goto('/');

        await page.getByTestId('bottom-nav-library').click();
        await expect(page).toHaveURL(/\/library$/);
        await expect(page.getByTestId('library-tabs')).toBeVisible();
    });

    test('phone viewport: SegmentedControl swaps Library sub-tabs and updates ?tab=', async ({
        page
    }) => {
        await mockSession(page, { authed: true });
        await mockLibraryData(page, { authed: true });
        await page.setViewportSize(MOBILE);
        await page.goto('/library');

        // Default sub-tab is bookmarks — URL has no `tab=` param.
        await expect(page).toHaveURL(/\/library$/);
        await expect(page.getByTestId('library-bookmarks-empty')).toBeVisible();

        await page
            .getByTestId('library-tabs')
            .getByRole('radio', { name: 'Collections' })
            .click();
        await expect(page).toHaveURL(/\?tab=collections$/);
        await expect(page.getByTestId('library-collections-empty')).toBeVisible();

        await page
            .getByTestId('library-tabs')
            .getByRole('radio', { name: 'History' })
            .click();
        await expect(page).toHaveURL(/\?tab=history$/);
        await expect(page.getByTestId('library-history-empty')).toBeVisible();

        // Returning to Bookmarks clears the param entirely.
        await page
            .getByTestId('library-tabs')
            .getByRole('radio', { name: 'Bookmarks' })
            .click();
        await expect(page).toHaveURL(/\/library$/);
    });

    test('phone viewport on /library unauth: sign-in prompt, no list', async ({
        page
    }) => {
        await mockSession(page);
        await mockLibraryData(page);
        await page.setViewportSize(MOBILE);
        await page.goto('/library');

        await expect(page.getByTestId('library-signin')).toBeVisible();
        await expect(page.getByTestId('library-bookmarks-empty')).toHaveCount(0);
    });
});

test.describe('mobile account hub', () => {
    test('phone viewport authed: inset-grouped hub renders with profile / preferences / change-password / logout rows', async ({
        page
    }) => {
        await mockSession(page, { authed: true });
        await page.setViewportSize(MOBILE);
        await page.goto('/profile/account');

        await expect(page.getByTestId('account-hub')).toBeVisible();
        await expect(page.getByTestId('account-username')).toHaveText('fabian');
        await expect(page.getByTestId('account-row-profile')).toBeVisible();
        await expect(page.getByTestId('account-row-preferences')).toBeVisible();
        await expect(page.getByTestId('account-row-change-password')).toBeVisible();
        await expect(page.getByTestId('account-row-logout')).toBeVisible();
        // Desktop card MUST not render — only the hub view is active
        // on mobile so we don't double-up the password form testids.
        await expect(page.getByTestId('account-desktop-card')).toHaveCount(0);
    });

    test('phone viewport authed: Change password row opens the bottom sheet', async ({
        page
    }) => {
        await mockSession(page, { authed: true });
        await page.setViewportSize(MOBILE);
        await page.goto('/profile/account');

        await expect(page.getByTestId('password-sheet')).toBeHidden();
        await page.getByTestId('account-row-change-password').click();
        await expect(page.getByTestId('password-sheet')).toBeVisible();
        await expect(
            page.getByTestId('password-sheet').getByTestId('current-password')
        ).toBeVisible();
    });

    test('phone viewport authed: Log out row fires /auth/logout and routes to /login', async ({
        page
    }) => {
        const logoutCalls = { count: 0 };
        await mockSession(page, { authed: true, logoutCalls });
        await page.setViewportSize(MOBILE);
        await page.goto('/profile/account');

        await page.getByTestId('account-row-logout').click();

        await expect(page).toHaveURL(/\/login$/);
        expect(logoutCalls.count).toBe(1);
    });

    test('phone viewport unauth: sign-in CTA, no hub', async ({ page }) => {
        await mockSession(page);
        await page.setViewportSize(MOBILE);
        await page.goto('/profile/account');

        await expect(page.getByTestId('account-signin')).toBeVisible();
        await expect(page.getByTestId('account-hub')).toHaveCount(0);
    });

    test('phone viewport authed: profile horizontal tabs are hidden', async ({
        page
    }) => {
        await mockSession(page, { authed: true });
        await page.setViewportSize(MOBILE);
        await page.goto('/profile/account');

        await expect(page.getByTestId('tab-account')).toBeHidden();
    });

    test('desktop viewport authed: existing password card visible, hub is not', async ({
        page
    }) => {
        await mockSession(page, { authed: true });
        await page.setViewportSize(DESKTOP);
        await page.goto('/profile/account');

        await expect(page.getByTestId('account-desktop-card')).toBeVisible();
        await expect(page.getByTestId('password-form')).toBeVisible();
        await expect(page.getByTestId('account-hub')).toHaveCount(0);
        // Desktop profile tabs remain.
        await expect(page.getByTestId('tab-account')).toBeVisible();
    });
});