export interface ExtensionSettings {
  showDangerWarning: boolean
  copyOnTranslate: boolean
  preferredShell: 'bash' | 'zsh' | 'fish' | 'powershell'
  theme: 'light' | 'dark' | 'auto'
  contextMenuEnabled: boolean
  inlinePanelEnabled: boolean
}

const DEFAULT_SETTINGS: ExtensionSettings = {
  showDangerWarning: true,
  copyOnTranslate: true,
  preferredShell: 'bash',
  theme: 'auto',
  contextMenuEnabled: true,
  inlinePanelEnabled: true,
}

export async function getSettings(): Promise<ExtensionSettings> {
  try {
    const result = await chrome.storage.sync.get('screwdriver_settings')
    return { ...DEFAULT_SETTINGS, ...(result.screwdriver_settings ?? {}) }
  } catch {
    return DEFAULT_SETTINGS
  }
}

export async function setSettings(settings: Partial<ExtensionSettings>): Promise<void> {
  const current = await getSettings()
  await chrome.storage.sync.set({
    screwdriver_settings: { ...current, ...settings },
  })
}

export interface ClipboardItem {
  id: string
  text: string
  timestamp: number
  type: 'command' | 'transform' | 'conflict' | 'regex'
}

export async function addClipboardItem(item: Omit<ClipboardItem, 'id' | 'timestamp'>): Promise<void> {
  const result = await chrome.storage.local.get('screwdriver_history')
  const history: ClipboardItem[] = result.screwdriver_history ?? []
  const newItem: ClipboardItem = {
    ...item,
    id: `${Date.now()}_${Math.random().toString(36).slice(2)}`,
    timestamp: Date.now(),
  }
  const updated = [newItem, ...history].slice(0, 50)
  await chrome.storage.local.set({ screwdriver_history: updated })
}

export async function getClipboardHistory(): Promise<ClipboardItem[]> {
  const result = await chrome.storage.local.get('screwdriver_history')
  return result.screwdriver_history ?? []
}

export async function clearClipboardHistory(): Promise<void> {
  await chrome.storage.local.remove('screwdriver_history')
}