export type Gender = "male" | "female" | "other"
export type LifeStatus = "living" | "deceased" | "unknown"

export interface FamilyMember {
  id: string

  // Basic Info
  surname: string // 姓
  givenName: string // 名
  fullName: string // Display name (usually Surname + GivenName)

  // Chinese Specifics
  generation: number // 世/代 (1-based index from progenitor)
  generationName?: string // 字辈/派语
  courtesyName?: string // 字
  artName?: string // 号
  posthumousName?: string // 谥号

  gender: Gender
  rank?: number // Order among siblings (1 = eldest)

  // Dates
  birthDate?: string // ISO format or Chinese Lunar Date string
  deathDate?: string
  isLunarDate?: boolean // If true, display as lunar

  // Location
  ancestralHome?: string // 籍贯
  birthPlace?: string
  burialPlace?: string // 墓地 (for deceased)

  // Relationships (Adjacency List style)
  fatherId?: string
  motherId?: string
  spouseIds: string[]
  childrenIds: string[]

  // Content
  bio?: string
  tags?: string[] // e.g., "Famous", "Official", "Scholar"
  avatarUrl?: string
  avatarImageId?: string // ID referencing the 'images' table in Dexie

  // Metadata
  createdAt: string
  updatedAt: string
}

export interface FamilyTreeData {
  members: Record<string, FamilyMember> // ID -> Member map for O(1) access
  rootId?: string // The progenitor
}