import type { Client } from "@modelcontextprotocol/sdk/client/index.js";
import type { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
import type { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js";
import type { ClaudeCodeMcpServer } from "../claude-code-mcp-loader/types";
import type { McpOAuthProvider } from "../mcp-oauth/provider";
export type SkillMcpConfig = Record<string, ClaudeCodeMcpServer>;
export interface SkillMcpClientInfo {
    serverName: string;
    skillName: string;
    sessionID: string;
}
export interface SkillMcpServerContext {
    config: ClaudeCodeMcpServer;
    skillName: string;
}
/**
 * Connection type for a managed MCP client.
 * - "stdio": Local process via stdin/stdout
 * - "http": Remote server via HTTP (Streamable HTTP transport)
 */
export type ConnectionType = "stdio" | "http";
export interface ManagedClientBase {
    client: Client;
    skillName: string;
    lastUsedAt: number;
    connectionType: ConnectionType;
}
export interface ManagedStdioClient extends ManagedClientBase {
    connectionType: "stdio";
    transport: StdioClientTransport;
}
export interface ManagedHttpClient extends ManagedClientBase {
    connectionType: "http";
    transport: StreamableHTTPClientTransport;
}
export type ManagedClient = ManagedStdioClient | ManagedHttpClient;
export interface ProcessCleanupHandler {
    signal: NodeJS.Signals;
    listener: () => void;
}
export interface SkillMcpManagerState {
    clients: Map<string, ManagedClient>;
    pendingConnections: Map<string, Promise<Client>>;
    disconnectedSessions: Map<string, number>;
    authProviders: Map<string, McpOAuthProvider>;
    cleanupRegistered: boolean;
    cleanupInterval: ReturnType<typeof setInterval> | null;
    cleanupHandlers: ProcessCleanupHandler[];
    idleTimeoutMs: number;
    shutdownGeneration: number;
    inFlightConnections: Map<string, number>;
    disposed: boolean;
}
export interface SkillMcpClientConnectionParams {
    state: SkillMcpManagerState;
    clientKey: string;
    info: SkillMcpClientInfo;
    config: ClaudeCodeMcpServer;
}