// ============================================
// Environment
// ============================================

export interface Env {
  DB: D1Database;
  AI: Ai;
  BOT_TOKEN: string;
  WEBHOOK_SECRET: string;
  OPENAI_API_KEY?: string;
  ADMIN_TELEGRAM_IDS?: string;
  ENVIRONMENT?: string;
  // Financial
  DEPOSIT_BANK_NAME?: string;
  DEPOSIT_BANK_ACCOUNT?: string;
  DEPOSIT_BANK_HOLDER?: string;
  // API URLs
  OPENAI_API_BASE?: string;
  NAMECHEAP_API_URL?: string;
  WHOIS_API_URL?: string;
  CLOUD_ORCHESTRATOR_URL?: string;
  CLOUD_ORCHESTRATOR?: Fetcher;
  // Kroki
  KROKI_URL?: string;
  // Queues
  WORK_QUEUE?: Queue;
  // KV Namespaces
  RATE_LIMIT_KV: KVNamespace;
  SESSION_KV: KVNamespace;
  CACHE_KV: KVNamespace;
  // R2
  R2_BUCKET: R2Bucket;
  // Vectorize
  VECTORIZE?: VectorizeIndex;
}

// ============================================
// Telegram Types
// ============================================

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;
  language_code?: string;
}

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

// ============================================
// OpenAI Types (Function Calling)
// ============================================

export interface OpenAIToolCall {
  id: string;
  type: 'function';
  function: {
    name: string;
    arguments: string;
  };
}

export interface OpenAIMessage {
  role: 'system' | 'user' | 'assistant' | 'tool';
  content: string | null;
  tool_calls?: OpenAIToolCall[];
  tool_call_id?: string;
  name?: string;
}

export interface OpenAIChoice {
  message: OpenAIMessage;
  finish_reason: string;
}

export interface OpenAIAPIResponse {
  choices: OpenAIChoice[];
}

export interface ToolDefinition {
  type: 'function';
  function: {
    name: string;
    description: string;
    parameters: {
      type: 'object';
      properties: Record<string, unknown>;
      required?: string[];
    };
  };
}

// ============================================
// Workers AI Types (Fallback)
// ============================================

export type WorkersAIModel =
  | "@cf/meta/llama-3.1-8b-instruct"
  | "@cf/meta/llama-3.2-3b-instruct";

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

// ============================================
// User & Auth Types
// ============================================

export type UserRole = 'admin' | 'user';

export interface User {
  id: number;
  telegram_id: string;
  username: string | null;
  first_name: string | null;
  role: UserRole;
  language_code: string;
  context_limit: number;
  last_active_at: string | null;
  is_blocked: number;
  blocked_reason: string | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// Financial Types
// ============================================

export interface Wallet {
  id: number;
  user_id: number;
  balance: number;
  currency: string;
  version: number;
  created_at: string;
  updated_at: string;
}

export type TransactionType = 'deposit' | 'withdrawal' | 'refund' | 'charge';
export type TransactionStatus = 'pending' | 'confirmed' | 'rejected' | 'cancelled';

export interface Transaction {
  id: number;
  user_id: number;
  type: TransactionType;
  amount: number;
  status: TransactionStatus;
  depositor_name: string | null;
  depositor_name_prefix: string | null;
  description: string | null;
  reference_type: string | null;
  reference_id: number | null;
  confirmed_by: number | null;
  confirmed_at: string | null;
  created_at: string;
}

export interface BankNotification {
  bankName: string;
  depositorName: string;
  amount: number;
  balanceAfter?: number;
  transactionTime?: Date;
  rawMessage: string;
}

// ============================================
// Asset Types
// ============================================

export type DomainStatus = 'active' | 'expired' | 'pending' | 'suspended';

export interface Domain {
  id: number;
  user_id: number;
  domain: string;
  status: DomainStatus;
  registrar: string | null;
  nameservers: string | null;
  auto_renew: number;
  expiry_date: string | null;
  created_at: string;
  updated_at: string;
}

export type ServerStatus = 'pending' | 'provisioning' | 'running' | 'stopped' | 'terminated' | 'failed';

export interface Server {
  id: number;
  user_id: number;
  provider: string;
  instance_id: string | null;
  label: string | null;
  ip_address: string | null;
  region: string | null;
  spec_label: string | null;
  monthly_price: number | null;
  status: ServerStatus;
  image: string | null;
  provisioned_at: string | null;
  terminated_at: string | null;
  expires_at: string | null;
  created_at: string;
  updated_at: string;
}

export interface DdosService {
  id: number;
  user_id: number;
  target: string;
  protection_level: 'basic' | 'standard' | 'premium';
  status: 'active' | 'inactive' | 'suspended';
  provider: string | null;
  monthly_price: number | null;
  expiry_date: string | null;
}

export interface VpnService {
  id: number;
  user_id: number;
  protocol: 'wireguard' | 'openvpn' | 'ipsec';
  status: 'active' | 'inactive' | 'suspended';
  endpoint: string | null;
  monthly_price: number | null;
  expiry_date: string | null;
}

// ============================================
// Support Types
// ============================================

export interface Feedback {
  id: number;
  user_id: number;
  session_type: string;
  rating: number;
  comment: string | null;
  created_at: string;
}

export type PendingActionStatus = 'pending' | 'approved' | 'rejected' | 'executed' | 'failed';

export interface PendingAction {
  id: number;
  user_id: number;
  action_type: string;
  target: string;
  params: string;
  status: PendingActionStatus;
  approved_by: number | null;
  created_at: string;
  executed_at: string | null;
}

export interface AuditLog {
  id: number;
  actor_id: number | null;
  action: string;
  resource_type: string;
  resource_id: string | null;
  details: string | null;
  result: 'success' | 'failure';
  request_id: string | null;
  created_at: string;
}

export interface KnowledgeArticle {
  id: number;
  category: string;
  title: string;
  content: string;
  tags: string | null;
  language: string;
  is_active: number;
  embedding_indexed: number;
  embedding_indexed_at: string | null;
  created_at: string;
  updated_at: string;
}

// ============================================
// Agent Session Types
// ============================================

export type OnboardingSessionStatus = 'greeting' | 'gathering' | 'suggesting' | 'completed';

export interface OnboardingSession {
  user_id: string;
  status: OnboardingSessionStatus;
  collected_info: {
    purpose?: string;
    requirements?: string;
    budget?: string;
    tech_stack?: string[];
  };
  messages: Array<{ role: 'user' | 'assistant'; content: string }>;
  created_at: number;
  updated_at: number;
  expires_at: number;
}

export type TroubleshootSessionStatus = 'gathering' | 'diagnosing' | 'suggesting' | 'escalated' | 'completed';

export interface TroubleshootSession {
  user_id: string;
  status: TroubleshootSessionStatus;
  collected_info: {
    category?: string;
    symptoms?: string;
    environment?: string;
    errorMessage?: string;
    affected_service?: string;
  };
  messages: Array<{ role: 'user' | 'assistant'; content: string }>;
  escalation_count: number;
  created_at: number;
  updated_at: number;
  expires_at: number;
}

export type AssetSessionStatus = 'idle' | 'viewing' | 'managing' | 'completed';

export interface AssetSession {
  user_id: string;
  status: AssetSessionStatus;
  collected_info: Record<string, unknown>;
  messages: Array<{ role: 'user' | 'assistant'; content: string }>;
  created_at: number;
  updated_at: number;
  expires_at: number;
}

export type BillingSessionStatus = 'collecting_amount' | 'collecting_name' | 'confirming' | 'completed';

export interface BillingSession {
  user_id: string;
  status: BillingSessionStatus;
  collected_info: {
    amount?: number;
    depositor_name?: string;
  };
  messages: Array<{ role: 'user' | 'assistant'; content: string }>;
  created_at: number;
  updated_at: number;
  expires_at: number;
}

// ============================================
// Tool Argument Types
// ============================================

export interface ManageDomainArgs {
  action: 'check' | 'whois' | 'list' | 'info' | 'set_ns' | 'price';
  domain?: string;
  nameservers?: string[];
  tld?: string;
}

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

export interface ManageServerArgs {
  action: 'list' | 'info' | 'start' | 'stop' | 'reboot';
  server_id?: number;
}

export interface CheckServiceArgs {
  action: 'status' | 'list';
  service_type?: 'ddos' | 'vpn' | 'all';
  service_id?: number;
}


export interface AdminArgs {
  action: 'block_user' | 'unblock_user' | 'set_role' | 'broadcast' | 'confirm_deposit' | 'reject_deposit' | 'list_pending';
  target_user_id?: string;
  role?: UserRole;
  message?: string;
  transaction_id?: number;
  reason?: string;
}

export interface ApproveActionArgs {
  action_id: number;
  approve: boolean;
  reason?: string;
}

// ============================================
// Network Diagnostic Types
// ============================================

export interface DnsRecord {
  type: string;
  value: string;
  ttl?: number;
}

export interface DnsResolverResult {
  resolver: string;
  ip: string;
  records: DnsRecord[];
  responseTimeMs: number;
  error?: string;
}

export interface IspDnsBlockResult {
  isp: string;
  serverIp: string;
  resolvedIps: string[];
  blocked: boolean;
  blockReason?: string;
  responseTimeMs: number;
  error?: string;
}

export interface HttpCheckResult {
  url: string;
  statusCode?: number;
  responseTimeMs: number;
  redirectUrl?: string;
  error?: string;
}

export interface TcpCheckResult {
  host: string;
  port: number;
  connected: boolean;
  responseTimeMs: number;
  error?: string;
}

export interface GlobalpingProbeResult {
  city: string;
  network: string;
  asn: number;
  isEyeball?: boolean;
  blocked?: boolean;
  blockReason?: string;
  ping?: {
    min: number;
    avg: number;
    max: number;
    loss: number;
  };
  http?: {
    statusCode: number;
    totalMs: number;
    dnsMs: number;
    tcpMs: number;
    tlsMs: number;
    firstByteMs: number;
  };
  error?: string;
}

export interface NetworkDiagnosticReport {
  domain: string;
  timestamp: string;
  dns: DnsResolverResult[];
  http: HttpCheckResult[];
  tcp: TcpCheckResult[];
  koreaProbes: GlobalpingProbeResult[];
  summary: string[];
}

// ============================================
// Inline Keyboard Data
// ============================================

export interface FeedbackKeyboardData {
  type: 'feedback';
  session_type: string;
  rating: number;
}

export interface ActionApprovalKeyboardData {
  type: 'action_approval';
  action_id: number;
  approve: boolean;
}

export interface EscalationKeyboardData {
  type: 'escalation';
  session_id: string;
  action: 'accept' | 'reject';
}

export type KeyboardCallbackData =
  | FeedbackKeyboardData
  | ActionApprovalKeyboardData
  | EscalationKeyboardData;

// ============================================
// Request Context
// ============================================

export interface RequestContext {
  requestId: string;
  userId?: string;
  startTime: number;
}