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{ daytool_calendar } from \"./daytool_calendar.js\";\nimport { daytool_case, daytool_event, daytool_feed, daytool_goal, daytool_need, daytool_note, daytool_clipboard, daytool_person, daytool_plan, daytool_stat } from \"./daytool_entity.js\";\nimport { daytool_import } from \"./UI/daytool_import.js\";\nimport { daytool_metadata } from \"./daytool.js\";\n\nexport class IndexedDBService<T> {\n  private dbName: string;\n  private storeName: string;\n  private version: number;\n  private cursorPosition: IDBValidKey | null = null;\n\n  constructor(dbName: string, storeName: string, version: number = 1) {\n    this.dbName = dbName;\n    this.storeName = storeName;\n    this.version = version;\n  }\n\n  private openDatabase(): Promise<IDBDatabase> {\n    return new Promise((resolve, reject) => {\n      const request = indexedDB.open(this.dbName, this.version);\n\n      request.onupgradeneeded = (event: IDBVersionChangeEvent) => {\n        const db = (event.target as IDBOpenDBRequest).result;\n        if (!db.objectStoreNames.contains(this.storeName)) {\n          db.createObjectStore(this.storeName, {\n            keyPath: \"id\",\n            autoIncrement: true,\n          });\n        }\n      };\n\n      request.onsuccess = () => {\n        resolve(request.result);\n      };\n\n      request.onerror = (event) => {\n        reject(`Database error: ${(event.target as IDBOpenDBRequest).error}`);\n      };\n    });\n  }\n\n  async add(item: T): Promise<number> {\n    const db = await this.openDatabase();\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(this.storeName, \"readwrite\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.add(item);\n\n      request.onsuccess = () => resolve(request.result as number);\n      request.onerror = (event) =>\n        reject(`Add failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n\n  async getAll(): Promise<T[]> {\n    const db = await this.openDatabase();\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(this.storeName, \"readonly\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.getAll();\n\n      request.onsuccess = () => resolve(request.result as T[]);\n      request.onerror = (event) =>\n        reject(`Get all failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n\n  async getLatest(): Promise<T | undefined> {\n    const db = await this.openDatabase();\n\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(this.storeName, \"readonly\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.openCursor(null,\"prev\");\n\n      request.onsuccess = () => resolve( request.result ? request.result.value : null as T| undefined);\n      request.onerror = (event) =>\n        reject(`Get all failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n\n  async getById(id: number): Promise<T | undefined> {\n    const db = await this.openDatabase();\n\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(this.storeName, \"readonly\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.get(id);\n\n      request.onsuccess = () => resolve(request.result as T | undefined);\n      request.onerror = (event) =>\n        reject(`Get by ID failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n\n  async update(id: number, updatedData: Partial<T>): Promise<void> {\n    // Fetch the existing item in a separate transaction\n    const existingItem = await this.getById(id);\n    if (!existingItem) {\n        throw new Error(`Item with ID ${id} not found`);\n    }\n\n    const db = await this.openDatabase();\n    const updatedItem = { ...existingItem, ...updatedData };\n\n    return new Promise((resolve, reject) => {\n        const transaction = db.transaction(this.storeName, \"readwrite\");\n        const store = transaction.objectStore(this.storeName);\n\n        const request = store.put(updatedItem);\n\n        request.onsuccess = () => resolve();\n        request.onerror = (event) =>\n            reject(`Update failed: ${(event.target as IDBRequest).error}`);\n    });\n}\n\n  async updateLatest(updatedData: Partial<T>): Promise<void> {\n    const existingItem = await this.getLatest();\n    if (!existingItem) {\n      throw new Error(`Storage is empty`);\n    }\n\n    const db = await this.openDatabase();\n\n    return new Promise((resolve, reject) => {\n    const updatedItem = { ...existingItem, ...updatedData };\n      const transaction = db.transaction(this.storeName, \"readwrite\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.put(updatedItem);\n\n      request.onsuccess = () => resolve();\n      request.onerror = (event) =>\n        reject(`Update failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n\n  async delete(id: number): Promise<void> {\n    const db = await this.openDatabase();\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(this.storeName, \"readwrite\");\n      const store = transaction.objectStore(this.storeName);\n      const request = store.delete(id);\n\n      request.onsuccess = () => resolve();\n      request.onerror = (event) =>\n        reject(`Delete failed: ${(event.target as IDBRequest).error}`);\n    });\n  }\n}\n\nexport async function deleteAllDatabases(): Promise<void> {\n  if (!indexedDB.databases) {\n    console.warn(\"`indexedDB.databases()` is not supported in this browser.\");\n    return;\n  }\n\n  const databases = await indexedDB.databases();\n  for (const db of databases) {\n    if (db.name) {\n      const deleteRequest = indexedDB.deleteDatabase(db.name);\n\n      deleteRequest.onsuccess = () => {\n        console.log(`Database ${db.name} deleted successfully.`);\n      };\n\n      deleteRequest.onerror = (event) => {\n        console.error(\n          `Error deleting database ${db.name}:`,\n          (event.target as IDBRequest).error\n        );\n      };\n    }\n  }\n}\n\nexport async function clearObjectStore(dbName: string, storeName: string): Promise<void> {\n    const db = await new Promise<IDBDatabase>((resolve, reject) => {\n      const request = indexedDB.open(dbName);\n\n      request.onsuccess = () => resolve(request.result);\n      request.onerror = (event) => reject(`Error opening database: ${(event.target as IDBRequest).error}`);\n    });\n\n    return new Promise((resolve, reject) => {\n      const transaction = db.transaction(storeName, \"readwrite\");\n      const store = transaction.objectStore(storeName);\n\n      const clearRequest = store.clear();\n\n      clearRequest.onsuccess = () => {\n        console.log(`Object store ${storeName} cleared successfully.`);\n        resolve();\n      };\n\n      clearRequest.onerror = (event) => {\n        console.error(`Error clearing object store ${storeName}:`, (event.target as IDBRequest).error);\n        reject((event.target as IDBRequest).error);\n      };\n    });\n  }\n\n  export const notesService = new IndexedDBService<daytool_note>(\n    \"NotesDB\",\n    \"notes\"\n  );\n  export const statsService = new IndexedDBService<daytool_stat>(\n    \"StatsDB\",\n    \"stats\"\n  );\n  export const needsService = new IndexedDBService<daytool_need>(\n  \"NeedsDB\",\n  \"needs\"\n  );\n  export const eventsService = new IndexedDBService<daytool_event>(\n  \"EventsDB\",\n  \"events\"\n  );\n  export const goalsService = new IndexedDBService<daytool_goal>(\n  \"GoalsDB\",\n  \"goals\"\n  );\n  export const casesService = new IndexedDBService<daytool_case>(\n  \"CasesDB\",\n  \"cases\"\n  );\n  export const feedsService = new IndexedDBService<daytool_feed>(\n  \"FeedsDB\",\n  \"feeds\"\n  );\n  export const plansService = new IndexedDBService<daytool_plan>(\n  \"PlansDB\",\n  \"plans\"\n  );\n  export const personsService = new IndexedDBService<daytool_person>(\n  \"PersonsDB\",\n  \"persons\"\n  );\n  export const calendarsService = new IndexedDBService<daytool_calendar>(\n  \"CalendarsDB\",\n  \"calendars\"\n  );\n  export const importsService = new IndexedDBService<daytool_import>(\n  \"ImportsDB\",\n  \"imports\"\n  );\n  export const metadataService = new IndexedDBService<daytool_metadata>(\n  \"MetadataDB\",\n  \"metadata\"\n  );\n  export const clipboardService = new IndexedDBService<daytool_clipboard>(\n  \"ClipboardDB\",\n  \"clipboard\"\n  );"]}