import { Extension, ExtensionRegister } from './extension-register'

const extensionTestKey = 'extension_tests'
const extensionTestAcceptedKey = 'extension_tests_accepted'

class ExtensionTestRegister extends ExtensionRegister {
  private accepted = localStorage.getItem(extensionTestAcceptedKey) === 'true'

  constructor() {
    super()
    this.load()
  }

  private load() {
    const json = localStorage.getItem(extensionTestKey)
    if (!json) return
    try {
      this.extensions = JSON.parse(json) 
    } catch { /* empty */ }
  }

  isAccepted() {
    return this.accepted
  }

  accept() {
    this.accepted = true
    localStorage.setItem(extensionTestAcceptedKey, 'true')
  }

  refuse() {
    this.accepted = false
    localStorage.removeItem(extensionTestAcceptedKey)
  }

  override register(extension: Extension) {
    this.extensions[extension.slug] = extension
    localStorage.setItem(extensionTestKey, JSON.stringify(this.extensions))
    this.listeners.forEach(l => l())
  }

  override unregister(slug: string) {
    delete this.extensions[slug]
    localStorage.setItem(extensionTestKey, JSON.stringify(this.extensions))
    this.listeners.forEach(l => l())
  }
}

export const extensionTestRegister = new ExtensionTestRegister()