import Dexie, { type Table } from "dexie"
import type { FamilyMember } from "@/types/family"

export interface GlobalSettings {
  key: string
  value: any
}

export interface StoredImage {
  id: string
  blob: Blob
  mimeType: string
  createdAt: string
}

export interface ActivityLog {
  id: string
  action: "create" | "update" | "delete" | "import" | "export"
  entityType: "member" | "photo" | "story" | "settings"
  entityId?: string
  entityName?: string
  changes?: any
  timestamp: string
  userId?: string
  userName?: string
}

export class FamilyTreeDB extends Dexie {
  members!: Table<FamilyMember>
  settings!: Table<GlobalSettings>
  images!: Table<StoredImage>
  activityLogs!: Table<ActivityLog>

  constructor() {
    super("FamilyTreeDB")
    this.version(1).stores({
      members: "id, fullName, fatherId, motherId, [fatherId+motherId]", // Index for searching
      settings: "key", // Key-value store for rootId etc.
      images: "id", // Store images by ID
    })
    this.version(2).stores({
      members: "id, fullName, fatherId, motherId, [fatherId+motherId]", // Index for searching
      settings: "key", // Key-value store for rootId etc.
      images: "id", // Store images by ID
      activityLogs: "id, timestamp, action, entityType, entityId",
    })
  }
}

export const db = new FamilyTreeDB()