import React from 'react';

export interface NavLinkItem {
  id: string;
  label: string;
  href: string;
  icon?: React.ElementType;
  children?: NavLinkItem[];
  targetView?: CurrentView; // For view switching
}

export interface GalleryItem {
  id: string;
  type: 'image' | 'video';
  url: string;
  altText?: string;
  caption?: string;
}

export interface Post {
  id:string;
  title: string;
  category: string;
  date?: string;
  publishedAt?: string;
  readTime?: string;
  imageUrl: string;
  videoUrl?: string;
  isFeatured?: boolean;
  description?: string;
  fullContent?: string | React.ReactNode; // For detail view
  gallery?: GalleryItem[]; // Added gallery
  href: string; // Will be used to set selectedItemId or for direct linking if routing is added
}

export interface NewsArticle {
  id: string;
  title: string;
  category: string;
  date?: string;
  publishedAt?: string;
  imageUrl: string;
  href: string;
  description?: string;
  fullContent?: string | React.ReactNode; // For detail view
  gallery?: GalleryItem[]; // Added gallery
}

export interface ResearchPaper {
  id: string;
  title: string;
  category: string; // e.g., "Публикация", "Статья"
  date?: string;
  publishedAt?: string;
  imageUrl: string;
  href: string;
  authors?: string[]; 
  abstract?: string; // For detail view
  fullContent?: string | React.ReactNode; // For detail view
  gallery?: GalleryItem[]; // Added gallery for ResearchPaper
}

export interface BusinessStory {
  id: string;
  title: string;
  category: string; // e.g., "API", "ChatGPT", "Партнерство"
  imageUrl: string;
  href: string;
  description?: string; 
  fullContent?: string | React.ReactNode; // For detail view
  gallery?: GalleryItem[]; // Added gallery
}

export interface Vacancy {
  id: string;
  title: string;
  department: string;
  location: string;
  type: string; // e.g., Full-time, Part-time
  description: string; // Short description for the card
  fullDescription?: string | React.ReactNode; // Detailed description for the detail page
  responsibilities?: string[];
  qualifications?: string[];
  offer?: string[];
  href: string; // For consistency, though navigation will use selectedItemId
}

// For EducationBusinessSection
export interface BusinessCourse {
  icon: string; // Updated to string to hold icon name from Strapi
  title: string;
  description: string;
}

// For EducationStudentsSection
export interface StudentProgram {
  icon: string; // Updated to string to hold icon name from Strapi
  title: string;
  targetAudience: string;
  description: string;
}

// For AcceleratorAboutSection
export interface AcceleratorFeature {
  icon: React.ElementType;
  title: string;
  description: string;
}

// For BusinessServicesSection (Services)
export interface ServiceItemData {
  icon: string; // Updated to string to hold icon name from Strapi
  title: string;
  description: string;
}

// For BusinessServicesSection (Client Logos)
export interface ClientLogo {
  id: string;
  name: string;
  imageUrl: string;
}

// For AcceleratorProjectsSection
export interface AcceleratorProject {
  id: string;
  name: string;
  tagline: string;
  description: string;
  imageUrl: string;
  category: string; // e.g., Healthcare AI, FinTech, EdTech
  websiteUrl?: string;
  statuspro: 'Active' | 'Graduated' | 'Acquired'; // Renamed from status
}

// For AcceleratorInvestmentSection
export interface InvestmentProject {
  id: string;
  name: string;
  industry: string;
  problem: string;
  solution: string;
  teamSize: number;
  fundingSought: string; // e.g., "$500K - $1M"
  imageUrl: string;
  contactEmail?: string;
}


export type CurrentView = 
  | 'main' 
  | 'about' 
  | 'mission' 
  | 'careers'
  | 'businessLanding'
  | 'businessServices'
  | 'educationBusiness'
  | 'educationStudents'
  | 'researchAll'
  | 'newsAll'
  | 'storiesAll'
  | 'acceleratorAbout'      
  | 'acceleratorProjects'   
  | 'acceleratorInvestment'
  | 'blogPostDetail'        
  | 'newsArticleDetail'     
  | 'researchPaperDetail'   
  | 'businessStoryDetail'
  | 'vacancyDetail'
  | 'termsOfUse'        // New view for Terms of Use
  | 'privacyPolicy';    // New view for Privacy Policy


// --- Content Types for Centralized Text ---

export interface HeroContent {
  titlePart1: string;
  titlePart2Gradient: string;
  subtitle: string;
  primaryButtonText: string;
  secondaryButtonText: string;
  scrollDownAriaLabel: string;
}

export interface AboutUsContent {
  title: string;
  paragraph1: string;
  paragraph2: string;
  teamTitle: string;
  teamParagraph: string;
  valuesTitle: string;
  valuesList: { strong: string; text: string }[];
  closingParagraph: string;
}

export interface FooterLink {
  text: string;
  href: string;
  targetView: CurrentView; // Added to control view switching
}

export interface FooterSocialLink {
  name: string;
  href: string;
  icon: React.ElementType; // Added icon type
  ariaLabel: string;       // Added ariaLabel
}

export interface FooterContent {
  legalTitle: string;
  legalLinks: FooterLink[];
  copyrightText: (year: number) => string;
  tagline: string;
  credits: string;
  socialTitle: string;
  socialLinks: FooterSocialLink[];
  address: string;
  email: string;
  emailHref: string;
  companyName?: string;
  companyInn?: string;
}

export interface ContactMethodUI {
  id: string;
  name: string;
  href: string;
  icon: React.ElementType;
  bgColor: string;
  hoverBgColor: string;
  ringColor: string;
  ariaLabel: string;
}

export interface ConnectSectionContent {
  title: string;
  subtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface BlogSectionContent {
  title: string;
  titleGradientPart: string;
  showAllText: string;
  showAllAriaLabel: string;
}

export interface NewsSectionContent {
  title: string;
  titleGradientPart: string;
  showAllText: string;
  showAllAriaLabel: string;
}

export interface ResearchSectionContent {
  title: string;
  titleGradientPart: string;
  showAllText: string;
  showAllAriaLabel: string;
}

export interface BusinessSectionContent {
  title: string;
  titleGradientPart: string;
  showAllText: string;
  showAllAriaLabel: string;
}

export interface MissionSection {
  title: string;
  content: string | React.ReactNode;
}
export interface OurMissionContent {
  title: string;
  preamble: string | React.ReactNode;
  sections: MissionSection[];
  closingStatement: string;
}

export interface CareersPageContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  noVacanciesTitle: string;
  noVacanciesMessagePt1: string;
  noVacanciesMessagePt2: string;
  noVacanciesContactEmailText: string;
  hrEmail: string;
  notFoundTitle: string;
  notFoundMessage: string;
  applyButtonText: string;
  applySubject: string;
}

export interface BusinessLandingContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  emptyStateTitle: string;
  emptyStateMessage: string;
}

export interface BusinessServicesContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  trustedByTitle: string;
  ctaTitle: string;
  ctaSubtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface EducationBusinessContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  ctaTitle: string;
  ctaSubtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface EducationStudentsContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  ctaTitle: string;
  ctaSubtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface AllItemsPageContent {
  title: string;
  titleGradientPart: string;
  backButtonTextPrefix: string;
  backButtonTextSuffix: string;
  subtitle: string;
  emptyStateTitle: string;
  emptyStateMessage: string;
}

export interface AcceleratorAboutContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  whatWeOfferTitle: string;
  whatWeOfferParagraph: string;
  ctaTitle: string;
  ctaSubtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface AcceleratorProjectsContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  emptyStateTitle: string;
  emptyStateMessage: string;
  projectWebsiteButtonText: string;
}

export interface AcceleratorInvestmentContent {
  title: string;
  titleGradientPart: string;
  subtitle: string;
  problemLabel: string;
  solutionLabel: string;
  teamLabel: string;
  fundingLabel: string;
  contactProjectButtonText: string;
  requestContactButtonText: string;
  emptyStateTitle: string;
  emptyStateMessage: string;
  investorCtaTitle: string;
  investorCtaSubtitle: string;
  contactMethods: ContactMethodUI[];
}

export interface DetailPageContent { // Base for specific detail page content types
  notFoundTitle: string;
  backButtonText: string;
  itemTypeSingular: string;
  itemTypePlural: string;
  galleryTitle?: string; // Added gallery title
  keepReadingTitle?: string;
  viewAllButtonText?: string;
  previousItemButtonLabel?: string;
  nextItemButtonLabel?: string;
  noPreviousItemText?: string;
  noNextItemText?: string;
}

export interface BlogPostDetailContent extends DetailPageContent {}
export interface NewsArticleDetailContent extends DetailPageContent {}
export interface BusinessStoryDetailContent extends DetailPageContent {}

export interface ResearchPaperDetailContent extends DetailPageContent {
  abstractTitle: string;
}

export interface VacancyDetailContent {
  notFoundTitle: string;
  vacancyNotFoundMessage: string;
  backButtonText: string;
  descriptionTitle: string;
  responsibilitiesTitle: string;
  qualificationsTitle: string;
  offerTitle: string;
  applyPromptTitle: string;
  applyPromptMessage: string;
  applyButtonText: string;
  hrEmail: string;
  mailtoSubjectPrefix: string;
  mailtoBodyPrefix: string;
}

export interface LegalPageSection {
  heading?: string;
  content: string | React.ReactNode;
}
export interface TermsOfUseContent {
  title: string;
  pageTitleGradientPart: string;
  lastUpdated: string;
  backButtonText: string;
  sections: LegalPageSection[];
}

export interface PrivacyPolicyContent {
  title: string;
  pageTitleGradientPart: string;
  lastUpdated: string;
  backButtonText: string;
  sections: LegalPageSection[];
}


export interface UITexts {
  playVideoAriaLabel: string;
  pauseVideoAriaLabel: string;
  sidebarToggleOpenAriaLabel: string;
  sidebarToggleCloseAriaLabel: string;
}