export type Provider = 'anthropic' | 'openai' | 'google' | 'bedrock' | 'webllm' | 'openrouter' | 'groq' | 'mistral' | 'deepseek' | 'cohere' | 'perplexity' | 'xai'

export interface Settings {
  provider: Provider
  model: string
  apiKey: string

  /** Shared inference config — applied via VercelModel call options */
  maxTokens?: number
  temperature?: number
  topP?: number
  stopSequences?: string[]

  /** Custom HTTP headers sent with every request (applies to all providers) */
  extraHeaders?: Record<string, string>

  systemPrompt?: string
  userName?: string
  theme?: 'dark' | 'light'
  fontSize?: number
  debounceMs?: number
  /** 0 disables debounce entirely (truly concurrent manual sends) */
  autoSend?: boolean
  onboarded?: boolean

  // Bedrock-specific
  bedrockRegion?: string
  bedrockAdditionalRequestFields?: Record<string, unknown>

  // Tool credentials
  githubToken?: string
  telegramBotToken?: string
  telegramChatId?: string
  spotifyAccessToken?: string
  spotifyClientId?: string
  googleMapsApiKey?: string
  googleClientId?: string
  googleAccessToken?: string
  openaiApiKey?: string

  // Feature flags
  enableVision?: boolean
  enableMesh?: boolean
  enableMemory?: boolean
  enableTools?: boolean
  enableAmbient?: boolean
  /** Enable on-device WebLLM inference (downloads ~500MB model on first use). */
  enableWebLLM?: boolean
  autonomousAmbient?: boolean
  ambientIdleMs?: number
  /** Auto-submit input after user stops typing for N ms (0 = disabled) */
  autoSubmitIdleMs?: number
  /** Minimum characters required before auto-submit fires */
  autoSubmitMinChars?: number

  // ── Telegram poller ────────────────────────────────────────────
  /** Poll Telegram getUpdates and inject messages into the agent. */
  telegramPollEnabled?: boolean
  /** Long-poll timeout in seconds (10-50, default 30). Telegram limit is 50. */
  telegramPollLongPollSec?: number
  /** Gap between polls in seconds (default 1). */
  telegramPollIntervalSec?: number
  /** Comma-separated whitelist of chat IDs / @usernames. Empty = all allowed. */
  telegramAllowedChats?: string
  /** After the agent answers, send the reply back to the originating chat. */
  telegramAutoRespond?: boolean

  /** Font family (sans/serif/mono) */
  fontFamily?: 'sans' | 'serif' | 'mono'
  /** Background: gradient / map / solid / animated */
  background?: 'gradient' | 'map' | 'solid' | 'animated' | 'grid'
  /** Auto-speak assistant replies (TTS) */
  autoSpeak?: boolean
  /** Bubble variant */
  bubbleVariant?: 'compact' | 'cozy' | 'spacious'
  /** Per-tool enable map. Missing keys = enabled. Used by buildTools. */
  disabledTools?: string[]
}

export type AgentStatus = 'idle' | 'ready' | 'thinking' | 'streaming' | 'error'

export interface ToolCallInfo {
  id: string
  toolUseId: string
  name: string
  input: any
  status: 'running' | 'success' | 'error'
  result?: string
  startedAt: number
  endedAt?: number
}

export interface RenderedUIPanel {
  id: string
  title: string
  html: string
  css?: string
  js?: string
  createdAt: number
}

export interface DisplayMessage {
  id: string
  role: 'user' | 'assistant' | 'system'
  text: string
  streaming?: boolean
  timestamp?: number
  /** Assistant: tool calls that occurred during this turn */
  toolCalls?: ToolCallInfo[]
  /** Assistant: UI panels rendered inline during this turn */
  uiPanels?: RenderedUIPanel[]
  /** User: attached files/images shown inline */
  attachments?: Attachment[]
}

export interface Attachment {
  type: 'image' | 'file' | 'document'
  dataUrl?: string
  base64?: string
  /** For 'image': 'jpeg'|'png'|'gif'|'webp'. For 'document': 'pdf'|'csv'|'doc'|'docx'|'xls'|'xlsx'|'html'|'txt'|'md'|'json'|'xml' */
  format?: string
  name?: string
  size?: number
  /** For text-ish files: the extracted text content */
  text?: string
  /** MIME type */
  mime?: string
}

export interface Metrics {
  input: number
  output: number
}