/**
 * Type definitions for NeuroLink tool system, including parameter schemas,
 * argument patterns, execution metadata, context, and result types.
 */
import { z } from "zod";
import type { Tool } from "ai";
import type { ErrorInfo, JsonObject, JsonValue, Result, UnknownRecord } from "./common.js";
import type { StandardRecord, StringArray, ZodUnknownSchema } from "./aliases.js";
import type { ValidationError } from "../utils/parameterValidation.js";
import type { MCPToolAnnotations } from "./mcp.js";
import type { Logger } from "./utilities.js";
/**
 * Commonly used Zod schema type aliases for cleaner type declarations
 */
export type { ZodUnknownSchema, ZodToJsonSchemaInput } from "./aliases.js";
export type ZodAnySchema = z.ZodSchema<unknown>;
export type ZodObjectSchema = z.ZodObject<z.ZodRawShape>;
export type ZodStringSchema = z.ZodString;
/**
 * Tool parameter schema types
 */
export type ToolParameterSchema = ZodUnknownSchema | Record<string, JsonValue>;
/**
 * Standard tool input parameters
 */
export type BaseToolArgs = {
    [key: string]: JsonValue | undefined;
};
/**
 * Tool execution arguments with specific common patterns
 */
export type ToolArgs = BaseToolArgs & {
    input?: JsonValue;
    data?: JsonValue;
    options?: JsonValue;
};
/**
 * Generic execution context for MCP operations
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type ExecutionContext<T = StandardRecord> = {
    sessionId?: string;
    userId?: string;
    config?: T;
    metadata?: StandardRecord;
    cacheOptions?: CacheOptions;
    fallbackOptions?: FallbackOptions;
    timeoutMs?: number;
    maxRetries?: number;
    startTime?: number;
};
/**
 * Cache configuration options
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type CacheOptions = {
    enabled?: boolean;
    ttlMs?: number;
    strategy?: "memory" | "writeThrough" | "cacheAside";
};
/**
 * Fallback configuration options
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type FallbackOptions = {
    enabled?: boolean;
    maxAttempts?: number;
    delayMs?: number;
    circuitBreaker?: boolean;
};
/**
 * Tool information with extensibility
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type ToolInfo = {
    name: string;
    description?: string;
    category?: string;
    serverId?: string;
    inputSchema?: StandardRecord;
    outputSchema?: StandardRecord;
    /** MCP tool annotations (safety hints, metadata). Auto-inferred when mcp.annotations.autoInfer is enabled. */
    annotations?: MCPToolAnnotations;
    /** Per-tool timeout in milliseconds, set at registration time */
    timeoutMs?: number;
    maxRetries?: number;
    [key: string]: unknown;
};
/**
 * Tool Implementation type for MCP tool registry
 * Extracted from toolRegistry.ts for centralized type management
 */
export type ToolImplementation = {
    execute: (params: unknown, context?: ExecutionContext) => Promise<unknown> | unknown;
    description?: string;
    inputSchema?: unknown;
    outputSchema?: unknown;
    category?: string;
    permissions?: string[];
    /** Per-tool timeout in milliseconds, set at registration time */
    timeoutMs?: number;
    maxRetries?: number;
};
/**
 * Tool execution options for enhanced control
 * Extracted from toolRegistry.ts for centralized type management
 */
export type ToolExecutionOptions = {
    /**
     * Caller-specified execution timeout in milliseconds.
     * Used by executeTool() callers to override the default timeout for a
     * single invocation. Takes precedence over `timeoutMs` when both are set.
     */
    timeout?: number;
    retries?: number;
    context?: unknown;
    preferredSource?: string;
    fallbackEnabled?: boolean;
    validateBeforeExecution?: boolean;
    /**
     * Per-tool timeout in milliseconds, copied from ToolInfo at registration
     * time. Acts as the tool-level default; overridden by `timeout` when the
     * caller supplies an explicit value.
     * @deprecated Prefer using `timeout` for caller-specified overrides.
     *             This field exists for internal forwarding from ToolInfo and
     *             may be consolidated in a future release.
     */
    timeoutMs?: number;
    maxRetries?: number;
};
/**
 * Options for tool registration via registerTool()
 *
 * These options configure per-tool execution behavior. When not provided,
 * the SDK's global defaults are used (30s timeout, 2 retries), preserving
 * backward compatibility with existing production systems.
 *
 * @example
 * // Register with custom timeout and no retries
 * sdk.registerTool("myTool", tool, { timeout: 5000, maxRetries: 0 });
 *
 * // Register with defaults (same as before — no behavior change)
 * sdk.registerTool("myTool", tool);
 */
export type ToolRegistrationOptions = {
    /** Per-tool execution timeout in milliseconds. Only applied when explicitly set.
     *  When omitted, the SDK's global default (30s) is used. */
    timeout?: number;
    /** Maximum retry attempts on failure. Only applied when explicitly set.
     *  When omitted, the SDK's global default (2 retries) is used.
     *  Set to 0 to disable retries for this tool. */
    maxRetries?: number;
};
/**
 * Tool execution result
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type ToolExecutionResult<T = unknown> = {
    result: T;
    context?: ExecutionContext;
    performance?: {
        duration: number;
        tokensUsed?: number;
        cost?: number;
    };
    validation?: ValidationResult;
    cached?: boolean;
    fallback?: boolean;
};
/**
 * Validation result for runtime checks
 * Moved from src/lib/mcp/contracts/mcpContract.ts
 */
export type ValidationResult = {
    valid: boolean;
    missing: string[];
    warnings: string[];
    recommendations: string[];
};
/**
 * Tool execution metadata
 */
export type ToolExecutionMetadata = {
    requestId?: string;
    startTime?: number;
    version?: string;
    [key: string]: JsonValue | undefined;
};
/**
 * Tool execution context
 */
export type ToolContext = {
    sessionId?: string;
    userId?: string;
    aiProvider?: string;
    metadata?: ToolExecutionMetadata;
};
/**
 * SDK-specific tool context with additional fields for SDK usage
 * Extends the base ToolContext with session management, provider info, and logging
 */
export type SDKToolContext = ToolContext & {
    /**
     * Current session ID (required for SDK context)
     */
    sessionId: string;
    /**
     * AI provider being used
     */
    provider?: string;
    /**
     * Model being used
     */
    model?: string;
    /**
     * Call another tool
     */
    callTool?: (name: string, params: ToolArgs) => Promise<ToolResult>;
    /**
     * Logger instance
     */
    logger: Logger;
};
/**
 * Tool execution result metadata
 */
export type ToolResultMetadata = {
    toolName?: string;
    executionTime?: number;
    timestamp?: number;
    source?: string;
    version?: string;
    serverId?: string;
    sessionId?: string;
    blocked?: boolean;
    [key: string]: JsonValue | undefined;
};
/**
 * Tool result usage information
 */
export type ToolResultUsage = {
    executionTime?: number;
    tokensUsed?: number;
    cost?: number;
    [key: string]: JsonValue | undefined;
};
/**
 * Tool execution result
 */
export type ToolResult<T = JsonValue | unknown> = Result<T, ErrorInfo | string> & {
    success: boolean;
    data?: T | null;
    error?: ErrorInfo | string;
    usage?: ToolResultUsage;
    metadata?: ToolResultMetadata;
};
/**
 * Tool metadata for registration
 */
export type ToolMetadata = {
    category?: string;
    version?: string;
    author?: string;
    tags?: string[];
    documentation?: string;
    [key: string]: JsonValue | undefined;
};
/**
 * Tool call object type for type-safe access to tool call properties
 */
export type ToolCallObject = UnknownRecord & {
    toolName?: string;
    name?: string;
    toolCallId?: string;
    id?: string;
    args?: UnknownRecord;
    arguments?: UnknownRecord;
};
/**
 * Tool execution context for tracking
 */
export type ToolExecutionContext = {
    executionId: string;
    tool: string;
    startTime: number;
    endTime?: number;
    result?: unknown;
    error?: string;
    metadata?: JsonObject;
};
/**
 * NeuroLink Native Event System Types
 */
/**
 * Tool execution event for real-time streaming
 */
export type ToolExecutionEvent = {
    type: "tool:start" | "tool:end";
    tool: string;
    /** Compatibility alias for older consumers that expect `toolName`. */
    toolName?: string;
    input?: unknown;
    result?: unknown;
    error?: string;
    timestamp: number;
    duration?: number;
    executionId: string;
};
/**
 * Payload emitted for tool:start and tool:end events.
 * Always includes both `tool` and `toolName` for backward compatibility.
 */
export type ToolEventPayload = {
    tool: string;
    toolName: string;
    input?: unknown;
    result?: unknown;
    error?: string;
    success?: boolean;
    responseTime?: number;
    timestamp?: number;
    duration?: number;
    executionId?: string;
};
/**
 * Tool execution summary for completed executions
 */
export type ToolExecutionSummary = {
    tool: string;
    startTime: number;
    endTime: number;
    duration: number;
    success: boolean;
    result?: unknown;
    error?: string;
    executionId: string;
    metadata?: {
        serverId?: string;
        toolCategory?: "direct" | "custom" | "mcp";
        isExternal?: boolean;
    };
};
/**
 * Tool definition type
 */
export type ToolDefinition<TArgs = ToolArgs, TResult = JsonValue> = {
    description: string;
    parameters?: ToolParameterSchema;
    metadata?: ToolMetadata;
    execute: (params: TArgs, context?: ToolContext) => Promise<ToolResult<TResult>> | ToolResult<TResult>;
};
/**
 * Simple tool type (for SDK)
 */
export type SimpleTool<TArgs = ToolArgs, TResult = JsonValue> = {
    description: string;
    parameters?: ZodUnknownSchema;
    metadata?: ToolMetadata;
    execute: (params: TArgs, context?: ToolContext) => Promise<TResult>;
};
/**
 * Simple tool type accepted by the SDK registerTool() helper. Uses
 * SDKToolContext (richer tool context with request metadata).
 */
export type SdkSimpleTool<TArgs = ToolArgs, TResult = JsonValue> = Omit<SimpleTool<TArgs, TResult>, "execute"> & {
    description: string;
    parameters?: ZodUnknownSchema;
    execute: (params: TArgs, context?: SDKToolContext) => Promise<TResult>;
    metadata?: {
        category?: string;
        version?: string;
        author?: string;
        tags?: string[];
        documentation?: string;
        [key: string]: JsonValue | undefined;
    };
};
/** Subset of directAgentTools exposing only the "basic" category. */
export type BasicToolsMap = {
    getCurrentTime: Tool;
    calculateMath: Tool;
};
/** Subset of directAgentTools exposing only the "filesystem" category. */
export type FilesystemToolsMap = {
    readFile: Tool;
    listDirectory: Tool;
    writeFile: Tool;
};
/** Subset of directAgentTools exposing the "utility" category. */
export type UtilityToolsMap = {
    getCurrentTime: Tool;
    calculateMath: Tool;
    listDirectory: Tool;
};
/** Full directAgentTools map, with the opt-in bashTool appended. */
export type AllToolsMap = {
    getCurrentTime: Tool;
    calculateMath: Tool;
    readFile: Tool;
    listDirectory: Tool;
    writeFile: Tool;
    executeBashCommand?: Tool;
};
/**
 * Tool registry entry
 */
export type ToolRegistryEntry = {
    name: string;
    description: string;
    serverId?: string;
    isImplemented?: boolean;
    parameters?: ToolParameterSchema;
    execute?: ToolDefinition["execute"];
};
/**
 * Tool execution information
 */
export type ToolExecution = {
    toolName: string;
    params: ToolArgs;
    result: ToolResult;
    executionTime: number;
    timestamp: number;
};
/**
 * Pending tool execution type for Redis memory manager
 * Temporary storage for tool execution data to avoid race conditions
 */
export type PendingToolExecution = {
    toolCalls: Array<{
        toolCallId?: string;
        toolName?: string;
        args?: Record<string, unknown>;
        timestamp?: Date;
        [key: string]: unknown;
    }>;
    toolResults: Array<{
        toolCallId?: string;
        result?: unknown;
        error?: string;
        timestamp?: Date;
        [key: string]: unknown;
    }>;
    timestamp: number;
};
/**
 * Available tool information
 */
export type AvailableTool = {
    name: string;
    description: string;
    serverId?: string;
    toolName?: string;
    parameters?: ToolParameterSchema;
};
/**
 * Tool validation options
 */
export type ToolValidationOptions = {
    customValidator?: (toolName: string, params: ToolArgs) => boolean | Promise<boolean>;
    validateSchema?: boolean;
    allowUnknownProperties?: boolean;
};
/**
 * Tool call information (for AI SDK integration)
 */
export type ToolCall = {
    toolName: string;
    parameters: ToolArgs;
    id?: string;
};
/**
 * AI SDK Tool Call format (from Vercel AI SDK)
 */
export type AiSdkToolCall = {
    type: "tool-call";
    toolCallId: string;
    toolName: string;
    params: ToolArgs;
};
/**
 * Tool call result (for AI SDK integration)
 */
export type ToolCallResult = {
    id?: string;
    result: ToolResult;
    formattedForAI: string;
};
/**
 * Result of a validation operation
 * Contains validation status, errors, warnings, and suggestions for improvement
 */
export type EnhancedValidationResult = {
    /** Whether the validation passed without errors */
    isValid: boolean;
    /** Array of validation errors that must be fixed */
    errors: ValidationError[];
    /** Array of warning messages that should be addressed */
    warnings: string[];
    /** Array of suggestions to improve the validated object */
    suggestions: StringArray;
};
/**
 * Type guard for tool result
 */
export declare function isToolResult(value: unknown): value is ToolResult;
/**
 * Type guard for tool definition
 */
export declare function isToolDefinition(value: unknown): value is ToolDefinition;
