import { afterEach, describe, expect, it, vi } from 'vitest';
import { render } from 'svelte/server';
import { writable } from 'svelte/store';
import { createRawSnippet } from 'svelte';
import Navigation from '../../src/lib/ui/components/Navigation.svelte';
import Layout from '../../src/routes/+layout.svelte';
import { fleet } from '../../src/lib/ui/stores/fleet.js';
import type { AuthUser } from '../../src/lib/auth.js';

const currentPage = writable({ url: new URL('http://localhost/campaigns/42'), data: {} });
vi.mock('$app/stores', () => ({
    page: {
        subscribe: (run: Parameters<typeof currentPage.subscribe>[0]) => currentPage.subscribe(run)
    }
}));
vi.mock('$app/navigation', () => ({
    goto: vi.fn(),
    beforeNavigate: vi.fn(),
    afterNavigate: vi.fn(),
    onNavigate: vi.fn()
}));
afterEach(() => {
    fleet.set({ servers: [], operations: [], receivedAt: 0 });
    currentPage.set({ url: new URL('http://localhost/campaigns/42'), data: {} });
});

describe('sidebar navigation', () => {
    it('exposes every allowed page in one navigation and marks the current page', () => {
        const body = render(Navigation, { props: { role: 'operator' } }).body;
        expect(body.match(/<nav\b/g)).toHaveLength(1);
        expect(body).toContain('Main navigation');
        expect(body).toMatch(/<a[^>]*href="\/campaigns"[^>]*aria-current="page"/);
        expect(body).toContain('href="/betas"');
        expect(body).not.toContain('href="/activity"');
        expect(body).toContain('href="/provisioning"');
        expect(body).toContain('href="/maintenance"');
        expect(body).toContain('href="/metrics"');
        expect(body).toContain('href="/bank"');
        expect(body).not.toContain('href="/settings"');
        expect(body).not.toContain('href="/server-keys"');
    });

    it('does not show invented attention counts before the fleet snapshot loads', () => {
        expect(render(Navigation, { props: { role: 'admin' } }).body).not.toMatch(
            /needs? attention/
        );
        fleet.set({
            receivedAt: Date.now(),
            operations: [],
            servers: [
                {
                    name: 't5_zombie_theater_1',
                    game: 't5',
                    map: 'zombie_theater',
                    last_players: null,
                    last_map: null,
                    last_gametype: null,
                    last_seen_at: null,
                    last_error: null,
                    roster: [],
                    health: 'offline',
                    held: [],
                    active_since: null,
                    inactive_since: null,
                    game_started_at: null,
                    game_ended_at: null
                }
            ]
        });
        expect(render(Navigation, { props: { role: 'admin' } }).body).toContain(
            'aria-label="Servers, 1 needs attention"'
        );
    });

    it('counts hosts without servers and clears the badge when the next host summary is healthy', () => {
        fleet.set({ receivedAt: Date.now(), operations: [], servers: [], hostAttention: 2 });
        expect(render(Navigation, { props: { role: 'admin' } }).body).toContain(
            'aria-label="Hosts, 2 need attention"'
        );
        fleet.update((value) => ({ ...value, hostAttention: 0 }));
        expect(render(Navigation, { props: { role: 'admin' } }).body).not.toMatch(
            /aria-label="Hosts, \d/
        );
    });
});

const user: AuthUser = {
    id: '1',
    username: 'operator',
    displayName: 'Operator',
    role: 'operator',
    disabled: false,
    mustChangePassword: false,
    createdAt: '',
    updatedAt: '',
    lastLoginAt: null
};
const children = createRawSnippet(() => ({ render: () => '<h1>Page content</h1>' }));
const shell = (overrides: Partial<AuthUser> = {}) =>
    render(Layout, {
        props: { children, data: { user: { ...user, ...overrides }, setupRequired: false } }
    }).body;

describe('application shell', () => {
    it('explains Super Viewer access while exposing administrator navigation and shortcuts', () => {
        const body = shell({ role: 'super_viewer' });
        expect(body).toContain('Super Viewer access');
        expect(body).toContain('href="/settings/users"');
        expect(body).toContain('href="/server-keys"');
        expect(body).toContain('href="/settings"');
        expect(body).toContain('g h');
        expect(body).toContain('g k');
    });

    it('offers collapsible desktop navigation, a labelled mobile drawer, search and help', () => {
        const body = shell();
        expect(body).toContain('id="desktop-navigation"');
        expect(body).toContain('aria-label="Collapse navigation"');
        expect(body).toContain('aria-label="Open navigation"');
        expect(body).toContain('id="mobile-navigation"');
        expect(body).toContain('aria-keyshortcuts="Meta+k Control+k"');
        expect(body).toContain('aria-label="Keyboard shortcuts"');
        expect(body).not.toContain('class="primary-navigation"');
        expect(body).not.toContain('variant="secondary"');
        expect(body).not.toContain('g d');
        expect(body).not.toContain('Activity log');
    });

    it('preserves the viewer notice and hides navigation while a password change is required', () => {
        const viewer = shell({ role: 'viewer' });
        expect(viewer).toContain('Viewer access');
        expect(viewer).not.toContain('href="/server-keys"');
        const password = shell({ mustChangePassword: true });
        expect(password).not.toContain('id="desktop-navigation"');
        expect(password).not.toContain('id="mobile-navigation"');
        expect(password).not.toContain('aria-keyshortcuts=');
    });
});