/// Represents a single CMS section from the landing page.
class CmsSection {
  final String id;
  final String pageSlug;
  final String sectionKey;
  final Map<String, dynamic> content;
  final bool isPublished;

  const CmsSection({
    required this.id,
    required this.pageSlug,
    required this.sectionKey,
    required this.content,
    this.isPublished = true,
  });

  factory CmsSection.fromJson(Map<String, dynamic> json) {
    return CmsSection(
      id: json['id'] as String,
      pageSlug: json['pageSlug'] as String? ?? '',
      sectionKey: json['sectionKey'] as String? ?? '',
      content: json['content'] as Map<String, dynamic>? ?? {},
      isPublished: json['isPublished'] as bool? ?? true,
    );
  }
}

// --- Top Professionals Section ---

class TopProfessionalsContent {
  final String title;
  final String ctaText;
  final String ctaButtonText;
  final List<ProfessionalItem> agents;
  final List<ProfessionalItem> lenders;

  const TopProfessionalsContent({
    this.title = '"Meet top real estate professionals"',
    this.ctaText = 'Discover 5,000+ Top Real Estate Agents in Our Network.',
    this.ctaButtonText = 'Browse Experts',
    this.agents = const [],
    this.lenders = const [],
  });

  factory TopProfessionalsContent.fromJson(Map<String, dynamic> json) {
    return TopProfessionalsContent(
      title: json['title'] as String? ?? '"Meet top real estate professionals"',
      ctaText: json['ctaText'] as String? ??
          'Discover 5,000+ Top Real Estate Agents in Our Network.',
      ctaButtonText: json['ctaButtonText'] as String? ?? 'Browse Experts',
      agents: (json['agents'] as List<dynamic>?)
              ?.map((e) =>
                  ProfessionalItem.fromJson(e as Map<String, dynamic>))
              .toList() ??
          [],
      lenders: (json['lenders'] as List<dynamic>?)
              ?.map((e) =>
                  ProfessionalItem.fromJson(e as Map<String, dynamic>))
              .toList() ??
          [],
    );
  }
}

class ProfessionalItem {
  final String name;
  final String subtitle;
  final String location;
  final String experience;
  final List<String> expertise;
  final String imageUrl;

  const ProfessionalItem({
    required this.name,
    this.subtitle = '',
    this.location = '',
    this.experience = '',
    this.expertise = const [],
    this.imageUrl = '',
  });

  factory ProfessionalItem.fromJson(Map<String, dynamic> json) {
    return ProfessionalItem(
      name: json['name'] as String? ?? '',
      subtitle: json['subtitle'] as String? ?? '',
      location: json['location'] as String? ?? '',
      experience: json['experience'] as String? ?? '',
      expertise: (json['expertise'] as List<dynamic>?)
              ?.map((e) => e.toString())
              .toList() ??
          [],
      imageUrl: json['imageUrl'] as String? ?? '',
    );
  }
}

// --- Hero Section ---

class HeroContent {
  final String headline;
  final String description;
  final String ctaButtonText;
  final String helperText;

  const HeroContent({
    this.headline = '',
    this.description = '',
    this.ctaButtonText = '',
    this.helperText = '',
  });

  factory HeroContent.fromJson(Map<String, dynamic> json) {
    return HeroContent(
      headline: json['headline'] as String? ?? '',
      description: json['description'] as String? ?? '',
      ctaButtonText: json['ctaButtonText'] as String? ?? '',
      helperText: json['helperText'] as String? ?? '',
    );
  }
}

// --- Features Section ---

class FeaturesContent {
  final String title;
  final String subtitle;
  final List<FeatureItem> features;

  const FeaturesContent({
    this.title = '',
    this.subtitle = '',
    this.features = const [],
  });

  factory FeaturesContent.fromJson(Map<String, dynamic> json) {
    return FeaturesContent(
      title: json['title'] as String? ?? '',
      subtitle: json['subtitle'] as String? ?? '',
      features: (json['features'] as List<dynamic>?)
              ?.map(
                  (e) => FeatureItem.fromJson(e as Map<String, dynamic>))
              .toList() ??
          [],
    );
  }
}

class FeatureItem {
  final String iconPath;
  final String title;
  final String description;

  const FeatureItem({
    this.iconPath = '',
    this.title = '',
    this.description = '',
  });

  factory FeatureItem.fromJson(Map<String, dynamic> json) {
    return FeatureItem(
      iconPath: json['iconPath'] as String? ?? '',
      title: json['title'] as String? ?? '',
      description: json['description'] as String? ?? '',
    );
  }
}

// --- Testimonials Section ---

class TestimonialsContent {
  final String title;
  final String subtitle;
  final String ratingInfo;
  final List<StatItem> stats;
  final List<TestimonialItem> testimonials;

  const TestimonialsContent({
    this.title = '',
    this.subtitle = '',
    this.ratingInfo = '',
    this.stats = const [],
    this.testimonials = const [],
  });

  factory TestimonialsContent.fromJson(Map<String, dynamic> json) {
    return TestimonialsContent(
      title: json['title'] as String? ?? '',
      subtitle: json['subtitle'] as String? ?? '',
      ratingInfo: json['ratingInfo'] as String? ?? '',
      stats: (json['stats'] as List<dynamic>?)
              ?.map((e) => StatItem.fromJson(e as Map<String, dynamic>))
              .toList() ??
          [],
      testimonials: (json['testimonials'] as List<dynamic>?)
              ?.map((e) =>
                  TestimonialItem.fromJson(e as Map<String, dynamic>))
              .toList() ??
          [],
    );
  }
}

class StatItem {
  final String iconPath;
  final String boldText;
  final String normalText;

  const StatItem({
    this.iconPath = '',
    this.boldText = '',
    this.normalText = '',
  });

  factory StatItem.fromJson(Map<String, dynamic> json) {
    return StatItem(
      iconPath: json['iconPath'] as String? ?? '',
      boldText: json['boldText'] as String? ?? '',
      normalText: json['normalText'] as String? ?? '',
    );
  }
}

class TestimonialItem {
  final int rating;
  final String title;
  final String content;
  final String author;
  final String role;

  const TestimonialItem({
    this.rating = 5,
    this.title = '',
    this.content = '',
    this.author = '',
    this.role = '',
  });

  factory TestimonialItem.fromJson(Map<String, dynamic> json) {
    return TestimonialItem(
      rating: json['rating'] as int? ?? 5,
      title: json['title'] as String? ?? '',
      content: json['content'] as String? ?? '',
      author: json['author'] as String? ?? '',
      role: json['role'] as String? ?? '',
    );
  }
}

/// Parsed landing page content from all CMS sections.
class LandingPageContent {
  final HeroContent? hero;
  final FeaturesContent? features;
  final TopProfessionalsContent? topProfessionals;
  final TestimonialsContent? testimonials;

  const LandingPageContent({
    this.hero,
    this.features,
    this.topProfessionals,
    this.testimonials,
  });

  factory LandingPageContent.fromSections(List<CmsSection> sections) {
    HeroContent? hero;
    FeaturesContent? features;
    TopProfessionalsContent? topProfessionals;
    TestimonialsContent? testimonials;

    for (final section in sections) {
      switch (section.sectionKey) {
        case 'hero':
          hero = HeroContent.fromJson(section.content);
          break;
        case 'features':
          features = FeaturesContent.fromJson(section.content);
          break;
        case 'topProfessionals':
          topProfessionals =
              TopProfessionalsContent.fromJson(section.content);
          break;
        case 'testimonials':
          testimonials = TestimonialsContent.fromJson(section.content);
          break;
      }
    }

    return LandingPageContent(
      hero: hero,
      features: features,
      topProfessionals: topProfessionals,
      testimonials: testimonials,
    );
  }
}