export interface Env {
  DB: D1Database;
  AI: Ai;
  BOT_TOKEN: string;
  WEBHOOK_SECRET: string;
  ENVIRONMENT?: string;
  SUMMARY_THRESHOLD?: string;
  MAX_SUMMARIES_PER_USER?: string;
  N8N_WEBHOOK_URL?: string;
  OPENAI_API_KEY?: string;
  NAMECHEAP_API_KEY?: string;
  NAMECHEAP_API_KEY_INTERNAL?: string;
  DOMAIN_OWNER_ID?: string;
  DEPOSIT_ADMIN_ID?: string;
  BRAVE_API_KEY?: string;
  DEPOSIT_API_SECRET?: string;
  OPENAI_API_BASE?: string;
  NAMECHEAP_API_URL?: string;
  WHOIS_API_URL?: string;
  CONTEXT7_API_BASE?: string;
  BRAVE_API_BASE?: string;
  WTTR_IN_URL?: string;
  HOSTING_SITE_URL?: string;
  RATE_LIMIT_KV: KVNamespace;
}

export interface IntentAnalysis {
  action: 'chat' | 'n8n';
  type?: string;
  confidence: number;
}

export interface N8nResponse {
  reply?: string;
  error?: string;
}

export interface TelegramUpdate {
  update_id: number;
  message?: TelegramMessage;
  callback_query?: CallbackQuery;
}

export interface CallbackQuery {
  id: string;
  from: TelegramUser;
  message?: TelegramMessage;
  chat_instance: string;
  data?: string;
}

export interface TelegramMessage {
  message_id: number;
  from: TelegramUser;
  chat: TelegramChat;
  date: number;
  text?: string;
}

export interface TelegramUser {
  id: number;
  is_bot: boolean;
  first_name: string;
  last_name?: string;
  username?: string;
}

export interface TelegramChat {
  id: number;
  type: string;
}

export interface BufferedMessage {
  id: number;
  role: 'user' | 'bot';
  message: string;
  created_at: string;
}

export interface Summary {
  id: number;
  generation: number;
  summary: string;
  message_count: number;
  created_at: string;
}

export interface ConversationContext {
  previousSummary: Summary | null;  // 최신 요약 (호환성 유지)
  summaries: Summary[];             // 전체 요약 (최대 3개, 최신순)
  recentMessages: BufferedMessage[];
  totalMessages: number;
}

// Cloudflare Email Workers 타입
export interface EmailMessage {
  from: string;
  to: string;
  headers: Headers;
  raw: ReadableStream;
  rawSize: number;
  setReject(reason: string): void;
  forward(to: string): Promise<void>;
}

// 은행 알림 파싱 결과
export interface BankNotification {
  bankName: string;
  depositorName: string;
  amount: number;
  balanceAfter?: number;
  transactionTime?: Date;
  rawMessage: string;
}

// Namecheap API 응답 타입
export interface NamecheapPriceResponse {
  tld: string;
  krw: number;
  usd?: number;
  register_krw?: number;
  renew_krw?: number;
  transfer_krw?: number;
}

export interface NamecheapDomainInfo {
  name: string;
  created: string;
  expires: string;
  is_expired: boolean;
  auto_renew: boolean;
  is_locked: boolean;
  whois_guard: boolean;
  nameservers?: string[];
}

export interface NamecheapCheckResult {
  [domain: string]: boolean;
}

export interface NamecheapDomainListItem {
  name: string;
  created: string;
  expires: string;
  is_expired: boolean;
  auto_renew: boolean;
  is_locked: boolean;
  whois_guard: boolean;
}

// Function Calling 인자 타입
export interface ManageDomainArgs {
  action: 'register' | 'check' | 'whois' | 'list' | 'info' | 'get_ns' | 'set_ns' | 'price' | 'cheapest';
  domain?: string;
  nameservers?: string[];
  tld?: string;
}

export interface ManageDepositArgs {
  action: 'balance' | 'account' | 'request' | 'history' | 'cancel' | 'pending' | 'confirm' | 'reject';
  depositor_name?: string;
  amount?: number;
  transaction_id?: number;
  limit?: number;
}

export interface SuggestDomainsArgs {
  keywords: string;
}

export interface SearchWebArgs {
  query: string;
}

export interface LookupDocsArgs {
  library: string;
  query: string;
}

// Deposit Agent 결과 타입
export interface DepositBalanceResult {
  balance: number;
  formatted: string;
}

export interface DepositAccountInfoResult {
  bank: string;
  account: string;
  holder: string;
  instruction: string;
}

export interface DepositRequestResult {
  success: boolean;
  auto_matched: boolean;
  transaction_id: number;
  amount: number;
  depositor_name: string;
  status?: string;
  new_balance?: number;
  message: string;
  account_info?: {
    bank: string;
    account: string;
    holder: string;
  };
}

export interface DepositTransaction {
  id: number;
  type: string;
  amount: number;
  status: string;
  depositor_name: string;
  description: string | null;
  created_at: string;
  confirmed_at: string | null;
}

export interface DepositTransactionsResult {
  transactions: DepositTransaction[];
  message?: string;
}

export interface DepositCancelResult {
  success: boolean;
  transaction_id: number;
  message: string;
}

export interface DepositPendingItem {
  id: number;
  amount: number;
  depositor_name: string;
  created_at: string;
  user: string;
}

export interface DepositPendingResult {
  pending: DepositPendingItem[];
  message?: string;
}

export interface DepositConfirmResult {
  success: boolean;
  transaction_id: number;
  amount: number;
  message: string;
}

export interface DepositRejectResult {
  success: boolean;
  transaction_id: number;
  message: string;
}

export interface DepositErrorResult {
  error: string;
}

export type DepositFunctionResult =
  | DepositBalanceResult
  | DepositAccountInfoResult
  | DepositRequestResult
  | DepositTransactionsResult
  | DepositCancelResult
  | DepositPendingResult
  | DepositConfirmResult
  | DepositRejectResult
  | DepositErrorResult;

// Brave Search API 응답 타입
export interface BraveSearchResult {
  title: string;
  description: string;
  url: string;
}

export interface BraveSearchResponse {
  web?: {
    results: BraveSearchResult[];
  };
}

// OpenAI API 응답 타입
export interface OpenAIMessage {
  role: string;
  content: string;
}

export interface OpenAIChoice {
  message: OpenAIMessage;
}

export interface OpenAIResponse {
  choices?: OpenAIChoice[];
}

// Context7 API 응답 타입
export interface Context7Library {
  id: string;
  name: string;
}

export interface Context7SearchResponse {
  libraries?: Context7Library[];
}

export interface Context7DocsResponse {
  context?: string;
  content?: string;
  message?: string;
  error?: string;
}

// Telegram Inline Keyboard 데이터
export interface DomainRegisterKeyboardData {
  type: 'domain_register';
  domain: string;
  price: number;
}

export type KeyboardData = DomainRegisterKeyboardData;

// Workers AI Types (from worker-configuration.d.ts)
export type WorkersAIModel =
  | '@cf/meta/llama-3.1-8b-instruct'
  | '@cf/meta/llama-3.2-3b-instruct'
  | '@cf/meta/llama-3-8b-instruct';

export interface WorkersAIMessage {
  role: 'system' | 'user' | 'assistant';
  content: string;
}

export interface WorkersAITextGenerationInput {
  prompt?: string;
  messages?: WorkersAIMessage[];
  max_tokens?: number;
  temperature?: number;
  stream?: boolean;
}

export interface WorkersAITextGenerationOutput {
  response?: string;
  usage?: {
    prompt_tokens: number;
    completion_tokens: number;
    total_tokens: number;
  };
}