/**
 * MetonaAI Desktop — 全局类型声明
 *
 * 为渲染进程暴露的 window.metona API 提供类型支持。
 * 使用具体类型替代 unknown，确保类型安全。
 */

// ===== Metona IR 类型（渲染进程侧子集） =====

/** MetonaMessage — IR 标准消息类型（渲染进程可构造的部分） */
interface MetonaMessageInput {
  role: 'user' | 'assistant' | 'system' | 'tool';
  content: string;
  reasoningContent?: string;
  toolCalls?: Array<{ id: string; name: string; args: Record<string, unknown> }>;
  timestamp: number;
  iteration?: number;
  images?: Array<{ url: string; detail?: 'low' | 'high' | 'auto' }>;
}

// ===== Agent API =====

interface MetonaStreamEventData {
  type: string;
  requestId?: string;
  sessionId?: string;
  iteration?: number;
  seq?: number;
  timestamp?: number;
  delta?: string;
  content?: string;
  toolCall?: {
    id: string;
    name: string;
    args: Record<string, unknown>;
  };
  toolResult?: {
    toolCallId: string;
    toolName: string;
    success: boolean;
    result?: unknown;
    error?: string;
    durationMs?: number;
  };
  usage?: {
    inputTokens?: number;
    outputTokens?: number;
    totalTokens?: number;
  };
  error?: {
    code: string;
    message: string;
    retryable?: boolean;
  };
  state?: string;
}

/** v0.5.0: SubAgent 生命周期事件（AgentMonitor 的 SubAgent 状态区展示） */
interface MetonaSubAgentEvent {
  taskId: string;
  parentSessionId: string;
  description: string;
  status: 'delegated' | 'running' | 'completed' | 'error';
  depth: number;
  durationMs?: number;
  iterations?: number;
  error?: string;
}

interface MetonaAgentAPI {
  /** 发送 MetonaMessage（IR 类型）+ sessionId 到主进程 */
  sendMessage: (message: MetonaMessageInput, sessionId: string) => Promise<{ success: boolean }>;
  onStreamEvent: (callback: (event: MetonaStreamEventData) => void) => () => void;
  onStateChange: (
    callback: (state: {
      sessionId: string | null;
      iteration: number;
      state: string;
      previous: string;
      current: string;
    }) => void,
  ) => () => void;
  abortSession: (sessionId: string) => Promise<{ success: boolean }>;
  onProviderSwitched: (
    callback: (data: { from?: string; to?: string; reason?: string }) => void,
  ) => () => void;
  /** v0.5.0: 监听 SubAgent 生命周期事件（委派/运行/完成/失败） */
  onSubAgentEvent: (callback: (event: MetonaSubAgentEvent) => void) => () => void;
}

// ===== Sessions API =====

interface MetonaSessionInfo {
  id: string;
  title: string;
  createdAt: number;
  updatedAt: number;
  messageCount: number;
  pinned: boolean;
  archived: boolean;
}

interface MetonaSessionsAPI {
  list: () => Promise<MetonaSessionInfo[]>;
  create: (title?: string) => Promise<MetonaSessionInfo>;
  rename: (sessionId: string, title: string) => Promise<{ success: boolean; error?: string }>;
  delete: (sessionId: string) => Promise<{ success: boolean; error?: string }>;
  getMessages: (sessionId: string) => Promise<
    Array<{
      id: string;
      role: string;
      content: string;
      reasoningContent?: string;
      toolCalls?: unknown[];
      toolResult?: unknown;
      attachments?: Array<{
        id: string;
        name: string;
        type: string;
        size: number;
        preview?: string;
        textContent?: string;
      }>;
      iteration?: number;
      timestamp: number;
    }>
  >;
  pin: (sessionId: string, pinned: boolean) => Promise<{ success: boolean; error?: string }>;
  archive: (sessionId: string, archived: boolean) => Promise<{ success: boolean; error?: string }>;
  deleteMessage: (messageId: string) => Promise<{ success: boolean }>;
  /** v0.7.2 A1: 语义为"操作完成"（空会话清空同样成功）；失败时携带 error */
  clearMessages: (sessionId: string) => Promise<{ success: boolean; error?: string }>;
  /** P2-11: 截断消息（编辑重发/重新生成） */
  truncateAfter: (
    sessionId: string,
    messageId: string,
    inclusive?: boolean,
  ) => Promise<{ success: boolean; truncated?: number; error?: string }>;
  /** v0.5.0: 全文搜索会话内容（FTS5，跨会话，按会话聚合） */
  searchContent: (query: string) => Promise<{
    success: boolean;
    error?: string;
    data?: Array<{
      sessionId: string;
      sessionTitle: string;
      matchCount: number;
      lastMessageId: string;
      lastRole: string;
      snippet: string;
      timestamp: number;
    }>;
  }>;
  saveTrace: (
    sessionId: string,
    data: { traceSteps: unknown[]; tokenUsage: unknown },
  ) => Promise<{ success: boolean }>;
  getTrace: (sessionId: string) => Promise<{ traceSteps: unknown[]; tokenUsage: unknown } | null>;
}

// ===== MCP API =====

interface MetonaMCPServerConfig {
  name: string;
  /** v0.4.1: 新增 'streamable-http'（MCP 当前主流远程传输） */
  transport: 'stdio' | 'sse' | 'streamable-http';
  command?: string;
  args?: string[];
  url?: string;
  /** v0.7.2 P2-8: 远程传输（sse / streamable-http）自定义请求头（可选） */
  headers?: Record<string, string>;
  enabled: boolean;
}

interface MetonaMCPServerStatus {
  name: string;
  status: 'connecting' | 'connected' | 'disconnected' | 'error';
  toolCount: number;
  error?: string;
}

interface MetonaMCPAPI {
  listServers: () => Promise<MetonaMCPServerStatus[]>;
  addServer: (config: MetonaMCPServerConfig) => Promise<{ success: boolean; error?: string }>;
  removeServer: (name: string) => Promise<{ success: boolean; error?: string }>;
  toggleServer: (name: string, enabled: boolean) => Promise<{ success: boolean; error?: string }>;
}

// ===== Memory API =====

interface MetonaMemorySearchResult {
  id: string;
  type: 'episodic' | 'semantic' | 'working';
  content: string;
  summary?: string;
  importance: number;
  relevanceScore: number;
  createdAt: number;
}

interface MetonaMemoryAPI {
  search: (
    query: string,
    options?: {
      topK?: number;
      type?: 'episodic' | 'semantic' | 'working';
      minImportance?: number;
    },
  ) => Promise<MetonaMemorySearchResult[]>;
  listAll: (options?: { type?: string; limit?: number }) => Promise<{
    success: boolean;
    data?: { episodic?: unknown[]; semantic?: unknown[]; working?: unknown[] };
    error?: string;
  }>;
  delete: (type: string, id: string) => Promise<{ success: boolean; error?: string }>;
}

// ===== Config API =====

interface MetonaConfigAPI {
  get: (key: string) => Promise<unknown>;
  set: (key: string, value: unknown) => Promise<{ success: boolean; error?: string }>;
  // v0.3.9: 批量保存配置，避免串行保存中间态触发 reloadAdapter 失败
  setBatch: (
    entries: Array<{ key: string; value: unknown }>,
  ) => Promise<{ success: boolean; error?: string }>;
  // v0.3.17: 监听配置变更广播（后端 config:set/setBatch 后触发，用于前端 store 实时更新）
  onChanged: (callback: (data: { key: string; value: unknown }) => void) => () => void;
}

// ===== App API =====

interface MetonaAppAPI {
  getVersion: () => Promise<string>;
  getAppDataPath: () => Promise<string>;
  openExternal: (url: string) => Promise<{ success: boolean; error?: string }>;
  showItemInFolder: (path: string) => Promise<{ success: boolean; error?: string }>;
  selectFolder: (defaultPath?: string) => Promise<{ canceled: boolean; path: string }>;
  restart: () => Promise<{ success: boolean }>;
  reportError: (payload: unknown) => void;
  /** v0.6.4 P4-2: 手动检查更新 */
  updateCheck: () => Promise<
    | { status: 'disabled' | 'error'; message: string }
    | { status: 'up-to-date'; latestVersion: string }
    | { status: 'available'; latestVersion: string; downloadUrl?: string; notes?: string }
  >;
}

// ===== Workspace API =====

interface MetonaWorkspaceCheckResult {
  valid: boolean;
  path?: string;
  exists?: boolean;
  missingFiles?: string[];
  isNewWorkspace?: boolean;
  /** 目标目录下 .metona/agent.db 是否存在（用于判断是否显示"继承数据库"选项） */
  dbExists?: boolean;
  reason?: string;
}

interface MetonaWorkspaceInheritResult {
  success: boolean;
  inherited?: string[];
  failed?: Array<{ file: string; error: string }>;
  error?: string;
}

interface MetonaWorkspaceFileInfo {
  name: string;
  path: string;
  exists: boolean;
  size: number;
  mtime: number;
  preview: string;
}

interface MetonaWorkspaceDirInfo {
  name: string;
  path: string;
  exists: boolean;
  fileCount: number;
}

interface MetonaWorkspaceInfo {
  path: string;
  files: MetonaWorkspaceFileInfo[];
  dirs: MetonaWorkspaceDirInfo[];
}

interface MetonaWorkspaceAPI {
  check: (targetPath: string) => Promise<MetonaWorkspaceCheckResult>;
  inheritFiles: (params: {
    targetPath: string;
    sourcePath: string;
    files: string[];
  }) => Promise<MetonaWorkspaceInheritResult>;
  getInfo: () => Promise<MetonaWorkspaceInfo>;
  // #51 修复: 校验源数据库完整性（PRAGMA integrity_check）
  checkDatabaseIntegrity: (sourcePath: string) => Promise<{
    success: boolean;
    ok?: boolean;
    detail?: string;
    error?: string;
  }>;
}

// ===== LLM 运行时查询 API =====

/** v0.7.2 P3-9: 动态模型条目（MetonaModelInfo 的渲染端子集） */
interface MetonaModelInfoLite {
  id: string;
  name?: string;
  contextWindow?: number;
  maxOutputTokens?: number;
  supportsToolCalling?: boolean;
  supportsThinking?: boolean;
  description?: string;
}

/** v0.7.2 P3-10: Ollama 模型下载进度事件 */
interface MetonaOllamaPullProgress {
  model: string;
  status: string;
  completed?: number;
  total?: number;
}

interface MetonaLLMAPI {
  /** v0.5.0: DeepSeek 余额查询（仅 DeepSeek Provider 支持） */
  getBalance: () => Promise<{
    success: boolean;
    error?: string;
    data?: {
      currency: string;
      totalBalance: string;
      grantedBalance: string;
      toppedUpBalance: string;
    };
  }>;
  /** v0.7.2 P3-9: 动态模型列表（基于已保存的 LLM 配置；配置不完整时显式失败） */
  listModels: () => Promise<{
    success: boolean;
    error?: string;
    data?: MetonaModelInfoLite[];
  }>;
  /** v0.7.2 P3-10: Ollama 模型下载（仅 Ollama Provider；同一时刻单任务） */
  pullModel: (model: string) => Promise<{
    success: boolean;
    error?: string;
    aborted?: boolean;
  }>;
  /** 取消进行中的 Ollama 模型下载 */
  cancelPullModel: () => Promise<{ success: boolean; error?: string }>;
  onOllamaPullProgress: (callback: (data: MetonaOllamaPullProgress) => void) => () => void;
  /** 下载结束（成功/失败/取消）统一触发，用于前端复位 UI */
  onOllamaPullEnded: (callback: (data: { model: string }) => void) => () => void;
}

// ===== Toast API =====

interface MetonaToastAPI {
  onShow: (
    callback: (data: {
      type: 'success' | 'error' | 'warning' | 'info';
      message: string;
      options?: Record<string, unknown>;
    }) => void,
  ) => () => void;
}

// ===== Tray API（v0.6.4: 托盘动作事件） =====

interface MetonaTrayAPI {
  /** 托盘菜单点击"新建会话" */
  onNewSession: (callback: () => void) => () => void;
}

// ===== Tools API =====

interface MetonaToolInfo {
  name: string;
  description: string;
  category: string;
  riskLevel: string;
  requiresPermission: boolean;
  enabled: boolean;
}

interface MetonaToolsAPI {
  list: () => Promise<MetonaToolInfo[]>;
  toggle: (toolName: string, enabled: boolean) => Promise<{ success: boolean; error?: string }>;
  /** v0.3.18 修复: 监听工具就绪事件（MCP 初始化完成后触发） */
  onReady: (callback: (data: { toolCount: number }) => void) => () => void;
  /** v0.3.18 修复: 查询工具当前是否已就绪（解决事件竞态） */
  isReady: () => Promise<{ ready: boolean; toolCount: number }>;
}

// ===== SearXNG API =====

interface MetonaSearXNGTestResult {
  success: boolean;
  statusCode?: number;
  latencyMs?: number;
  error?: string;
}

interface MetonaSearXNGAPI {
  /** 测试 SearXNG 实例连接可达性与认证有效性 */
  testConnection: (
    url: string,
    authKey: string,
    authType: string,
  ) => Promise<MetonaSearXNGTestResult>;
}

// ===== Data API =====

interface MetonaDataAPI {
  exportData: (sessionId?: string) => Promise<{ success: boolean; data?: unknown; error?: string }>;
  clearSessions: () => Promise<{ success: boolean; error?: string }>;
  clearMemories: () => Promise<{ success: boolean; error?: string }>;
  clearAuditLogs: () => Promise<{ success: boolean; error?: string }>;
}

// ===== v0.2.0: Tasks API =====

interface MetonaTask {
  id: string;
  session_id: string;
  title: string;
  description: string;
  status: 'pending' | 'in_progress' | 'completed' | 'blocked' | 'cancelled';
  priority: 'low' | 'medium' | 'high' | 'critical';
  parent_id: string | null;
  assigned_to: string | null;
  order_idx: number;
  created_at: number;
  updated_at: number;
  completed_at: number | null;
}

interface MetonaTasksAPI {
  list: (sessionId?: string) => Promise<{ success: boolean; data: MetonaTask[] }>;
  create: (data: {
    sessionId: string;
    title: string;
    description?: string;
    priority?: string;
    parentId?: string;
  }) => Promise<{ success: boolean; id?: string; error?: string }>;
  update: (
    id: string,
    updates: {
      title?: string;
      description?: string;
      status?: string;
      priority?: string;
      assignedTo?: string;
    },
    sessionId: string,
  ) => Promise<{ success: boolean; error?: string }>;
  delete: (id: string, sessionId: string) => Promise<{ success: boolean; error?: string }>;
  // P2（v0.3.13）: 订阅任务变更事件
  onTaskChanged: (callback: (sessionId: string) => void) => () => void;
}

// ===== v0.2.0: Audit API =====

interface MetonaAuditVerifyResult {
  success: boolean;
  valid: boolean;
  totalRecords: number;
  verifiedRecords: number;
  tamperedId: number | null;
  error?: string;
}

interface MetonaAuditAPI {
  verifyChain: () => Promise<MetonaAuditVerifyResult>;
  query: (filters?: {
    sessionId?: string;
    eventType?: string;
    limit?: number;
  }) => Promise<{ success: boolean; data?: unknown[]; error?: string }>;
  /** v0.5.0: 导出审计日志（jsonl / csv 两种格式） */
  export: (format: 'jsonl' | 'csv') => Promise<{
    success: boolean;
    error?: string;
    data?: string;
    format?: string;
    recordCount?: number;
  }>;
}

// ===== v0.2.0: Tool Confirmation API =====

interface MetonaConfirmationRequest {
  toolCallId: string;
  toolName: string;
  args: Record<string, unknown>;
  riskLevel: string;
  reason: string;
  /**
   * 发起确认的会话 ID（v0.5.1 新增）
   * 主会话为 sessionId；SubAgent 委派的工具确认为 taskId。
   * 确认弹框据此在会话 TERMINATED 时只清除该会话的请求。
   */
  sessionId?: string;
  /** v0.3.2: 过期时间戳（ms），由后端 ConfirmationHook 注入，用于倒计时 */
  expiresAt?: number;
}

interface MetonaToolAPI {
  onConfirmationRequest: (callback: (request: MetonaConfirmationRequest) => void) => () => void;
  sendConfirmationResponse: (response: {
    toolCallId: string;
    approved: boolean;
    remember: boolean;
    autoExecute?: boolean;
  }) => void;
  /** v0.3.2: 批量确认响应（并行工具一次性审批，支持同工具多次调用） */
  sendConfirmationResponseBatch: (response: {
    toolCallIds: string[];
    approved: boolean;
    remember: boolean;
    autoExecute?: boolean;
  }) => void;
  /**
   * v0.3.2: 拉取当前所有 pending 确认
   * 前端弹框打开时主动调用，防止并行 IPC 事件在前端 state 中互相覆盖导致丢失
   */
  getPendingConfirmations: () => Promise<{
    success: boolean;
    data: MetonaConfirmationRequest[];
  }>;
  /**
   * v0.4.1: 获取记住"拒绝"的工具列表（拒绝记忆 10 分钟 TTL，到期自动恢复询问）
   * 供确认弹框展示"重新询问"入口
   * v0.5.0: sessionId 参数 — 拒绝记忆按会话隔离，传当前会话只查看本会话的记忆
   */
  getRememberedDenials: (sessionId?: string) => Promise<{
    success: boolean;
    data: Array<{ toolName: string; expiresInSeconds: number }>;
  }>;
  /**
   * v0.4.1: 重置指定工具的拒绝记忆（立即恢复询问）
   * v0.5.0: sessionId 参数 — 指定会话；缺省时重置所有会话中该工具的记忆
   */
  resetRememberedDenial: (
    toolName: string,
    sessionId?: string,
  ) => Promise<{ success: boolean; error?: string }>;
  /** 设置/取消工具的持久化自动执行（跨会话不再询问） */
  setAutoExecute: (
    toolName: string,
    enabled: boolean,
  ) => Promise<{ success: boolean; error?: string }>;
  /** 获取已设置为自动执行的工具列表 */
  getAutoExecuteList: () => Promise<{ success: boolean; data: string[] }>;
}

// ===== Bridge 接口 =====

interface MetonaBridge {
  agent: MetonaAgentAPI;
  sessions: MetonaSessionsAPI;
  mcp: MetonaMCPAPI;
  memory: MetonaMemoryAPI;
  config: MetonaConfigAPI;
  app: MetonaAppAPI;
  workspace: MetonaWorkspaceAPI;
  toast: MetonaToastAPI;
  tools: MetonaToolsAPI;
  data: MetonaDataAPI;
  searxng: MetonaSearXNGAPI;
  llm: MetonaLLMAPI;
  tasks: MetonaTasksAPI;
  audit: MetonaAuditAPI;
  tool: MetonaToolAPI;
  /** v0.6.4: 托盘动作（新建会话死链接线） */
  tray?: MetonaTrayAPI;
}

// ===== 全局 Window 增强 =====

interface Window {
  metona: MetonaBridge;
  electron: unknown;
}

// ===== 构建期注入常量（electron.vite.config.ts renderer.define） =====

/** 应用版本号（来自 package.json，构建期静态替换） */
declare const __APP_VERSION__: string | undefined;