export interface HomepageHeroContent {
  headline: string;
  subheadline: string;
  cta_text: string;
  cta_link: string;
  badge_text: string;
}

export interface FeatureItem {
  title: string;
  description: string;
  icon: string;
}

export interface FeaturesContent {
  pillars_title?: string;
  pillars_subtitle?: string;
  items: FeatureItem[];
}

export interface DownloadLinksContent {
  android_url: string;
  testflight_url: string;
  play_store_url: string;
  version_name: string;
  build_number: number;
}

export interface PolicyPagesContent {
  privacy_policy: string;
  terms_of_service: string;
}

export interface FaqItem {
  question: string;
  answer: string;
}

export interface FaqsContent {
  items: FaqItem[];
}

export interface ScreenshotItem {
  title: string;
  caption: string;
  image_url: string;
}

export interface ScreenshotsContent {
  items: ScreenshotItem[];
}

export interface ReleaseItem {
  version: string;
  release_date: string;
  title: string;
  notes: string;
}

export interface ChangelogContent {
  releases: ReleaseItem[];
}

export const DEFAULT_HOMEPAGE_HERO: HomepageHeroContent = {
  headline: 'Know what your ride is doing.',
  subheadline:
    'MotorSignal turns every ride into clear, actionable insight: real-time lean angle, live GPS track telemetry on the road, post-session performance replay, and enterprise security for riders and clubs.',
  cta_text: 'Create your account',
  cta_link: '/register',
  badge_text: '⚡ Next-Gen Telemetry Engine 3.0 • Real-Time CAN-Bus & GPS',
};

export const DEFAULT_FEATURES: FeaturesContent = {
  pillars_title: 'Built for extreme lean angles & split-second decisions.',
  pillars_subtitle:
    'A bespoke telemetry suite connecting ECU sensors, gyroscopes, and track positioning straight to riders and crew chiefs.',
  items: [
    {
      title: 'Live Cockpit & Handlebar HUD',
      description:
        'Real-time pitch, roll, yaw, throttle position, braking pressure, and predictive apex speeds delivered at 60fps to your handlebar display or phone mount without visual drag.',
      icon: 'dashboard_customize',
    },
    {
      title: 'Ride Intelligence & Session Replay',
      description:
        'Multi-layer track analysis with sector split times, deceleration zones, elevation profiles, and 3D GPS satellite trace replays after every canyon run or track session.',
      icon: 'analytics',
    },
    {
      title: 'Club Telemetry & Fleet Beacon',
      description:
        'Live pack radar tracking, automatic crash detection beacon with SOS emergency dispatch, and competitive leaderboards with verified telemetry data.',
      icon: 'emergency',
    },
    {
      title: 'Zero-Friction Hardware & Security',
      description:
        'Encrypted zero-knowledge ride logs, offline Bluetooth / CAN-bus hardware sync, and end-to-end authenticated APIs compatible with major manufacturers.',
      icon: 'memory',
    },
  ],
};

export const DEFAULT_DOWNLOAD_LINKS: DownloadLinksContent = {
  android_url: 'https://motorsignal.app/builds/motorsignal-release.apk',
  testflight_url: '',
  play_store_url: 'https://play.google.com/store/apps/details?id=app.motorsignal',
  version_name: '1.0.4',
  build_number: 42,
};

export const DEFAULT_POLICY_PAGES: PolicyPagesContent = {
  privacy_policy:
    'MotorSignal operates under strict data minimization. Rider telemetry is private and never sold.',
  terms_of_service:
    'MotorSignal telemetry is for closed-course performance analysis and recreational touring.',
};

export const DEFAULT_FAQS: FaqsContent = {
  items: [
    {
      question: 'What mounting setup is required?',
      answer:
        'Any rigid phone mount such as QuadLock or RAM Mount positioned in landscape or portrait.',
    },
    {
      question: 'Does it work without cellular signal?',
      answer:
        'Yes, MotorSignal records 100% locally offline and syncs when connectivity returns.',
    },
  ],
};

export const DEFAULT_SCREENSHOTS: ScreenshotsContent = {
  items: [
    {
      title: 'Live Dashboard',
      caption: 'Real-time lean gauge and cockpit telemetry',
      image_url: '/screenshots/dashboard.png',
    },
    {
      title: 'Ride Forensic Analysis',
      caption: 'Interactive turn analysis with braking points',
      image_url: '/screenshots/analysis.png',
    },
  ],
};

export const DEFAULT_CHANGELOG: ChangelogContent = {
  releases: [
    {
      version: 'v1.0.4',
      release_date: '2026-09-12',
      title: 'Operations Platform V1',
      notes:
        'Added real-time system health, telemetry diagnostics, and improved offline sync.',
    },
    {
      version: 'v1.0.3',
      release_date: '2026-09-01',
      title: '20Hz Acquisition Refinements',
      notes: 'Optimized sensor fusion filter latency.',
    },
  ],
};

/**
 * Server-side helper to fetch published CMS content for public pages.
 * Integrates Next.js ISR tag revalidation with graceful fallback to default content.
 */
export async function getCmsDocument<T>(slug: string, fallback: T): Promise<T> {
  const baseUrl = process.env.MOTORSIGNAL_API_BASE_URL ?? 'https://api.motorsignal.app';

  try {
    const response = await fetch(`${baseUrl}/api/v1/cms/documents/${encodeURIComponent(slug)}`, {
      method: 'GET',
      headers: {
        accept: 'application/json',
      },
      next: { revalidate: 60, tags: ['cms', `cms-${slug}`] },
    });

    if (!response.ok) {
      return fallback;
    }

    const data = await response.json();
    if (data && typeof data === 'object' && data.published) {
      return {
        ...fallback,
        ...data.published,
      };
    }
    return fallback;
  } catch {
    return fallback;
  }
}