import { Batch } from '../../types'
import { Database } from '../database.types'

export class LocalStorage implements Database {
  #localStorage: Storage
  #databaseName = 'YUNO_EVENT_LOGS'

  constructor() {
    this.#localStorage = window.localStorage

    const database = this.#localStorage.getItem(this.#databaseName)

    if (database === null || database === undefined) {
      this.#localStorage.setItem(this.#databaseName, JSON.stringify([]))
    }
  }
  async reset(): Promise<void> {
    this.#localStorage.setItem(this.#databaseName, JSON.stringify([]))
  }

  #getDatabase(): Batch[] {
    let database = this.#localStorage.getItem(this.#databaseName)

    if (database === null || database === undefined) {
      database = JSON.stringify([])
    
      this.#localStorage.setItem(this.#databaseName, database)
    }

    return JSON.parse(database)
  }

  async setItem(item: Batch): Promise<void> {
    const database = this.#getDatabase()

    this.#localStorage.setItem(this.#databaseName, JSON.stringify([...database, item]))
  }

  getItem(id: string): Promise<Batch> {
    throw new Error('Method not implemented.' + id)
  }
  removeItem(id: string): Promise<void> {
    throw new Error('Method not implemented.' + id)
  }

  getAllItems(): Promise<Batch[]> {
    return Promise.resolve(this.#getDatabase())
  }
}