import type { AutomergeUrl } from '../../storage/document-runtime-contract'
import type { VaultStateData } from '../../services/vault-state-data'

/** Plugin settings live only in the vault's hidden state subtree. */
export class PluginSettingsStore {
  private readonly urls = new Map<string, AutomergeUrl>()

  constructor(private readonly stateData: VaultStateData) {}

  async load(pluginId: string): Promise<unknown | null> {
    const url = await this.stateData.file('plugin-settings', pluginId)
    this.urls.set(pluginId, url)
    return this.stateData.load('plugin-settings', pluginId)
  }

  async save(pluginId: string, data: unknown): Promise<void> {
    const url = await this.stateData.file('plugin-settings', pluginId)
    await this.stateData.save('plugin-settings', pluginId, data)
    this.urls.set(pluginId, url)
  }

  async delete(pluginId: string): Promise<void> {
    const url = await this.stateData.file('plugin-settings', pluginId)
    await this.stateData.clear('plugin-settings', pluginId)
    this.urls.set(pluginId, url)
  }

  getSettingsUrl(pluginId: string): AutomergeUrl | null {
    return this.urls.get(pluginId) ?? null
  }
}