import { ToolDefinition, TokenUsage } from '@agenite/llm';
import { z } from 'zod';

interface Tool$1<TInput = unknown> {
    readonly name: string;
    readonly description: string;
    readonly version?: string;
    readonly inputSchema?: ToolDefinition['inputSchema'];
    execute(params: ToolExecuteParams<TInput>): Promise<ToolResponse>;
    validate?(input: TInput): Promise<ValidationResult>;
}
type SchemaType<T> = z.ZodType<T> | JSONSchema;
interface JSONSchema {
    type: string;
    properties?: Record<string, unknown>;
    required?: string[];
    [k: string]: unknown;
}
interface ToolOptions<TInput> {
    name: string;
    description: string;
    version?: string;
    inputSchema?: SchemaType<TInput>;
    execute: (params: ToolExecuteParams<TInput>) => Promise<ToolResponse>;
    validate?: (input: TInput) => Promise<ValidationResult>;
}
interface ToolExecuteParams<TInput> {
    input: TInput;
    context?: ToolContext;
}
interface ToolContext {
    agentId?: string;
    executionId?: string;
    parentToolExecutionId?: string;
    extraContext?: Record<string, unknown>;
    metadata?: Record<string, unknown>;
}
type ToolResponseData = string | Array<ToolResponseBlock>;
interface ToolResponseBlock {
    type: 'text' | 'image';
    text?: string;
    image?: {
        type: 'base64';
        media_type: string;
        data: string;
    };
}
interface ToolResponse {
    isError: boolean;
    data: ToolResponseData;
    error?: {
        code: string;
        message: string;
        details?: unknown;
    };
    duration?: number;
    tokenUsage?: TokenUsage;
}
interface ValidationResult {
    isValid: boolean;
    errors?: ValidationError[];
}
interface ValidationError {
    field: string;
    message: string;
}

declare class Tool<TInput = unknown> implements Tool$1<TInput> {
    readonly name: string;
    readonly description: string;
    readonly version?: string;
    readonly inputSchema?: ToolDefinition['inputSchema'];
    private readonly executeImpl;
    private readonly validateImpl?;
    private readonly zodSchema?;
    private readonly jsonSchema?;
    constructor(options: ToolOptions<TInput>);
    private createToolSchema;
    execute(params: ToolExecuteParams<TInput>): Promise<ToolResponse>;
    validate(input: TInput): Promise<ValidationResult>;
    private validateJsonSchema;
}

export { type JSONSchema, type SchemaType, Tool, type ToolContext, type ToolExecuteParams, type ToolOptions, type ToolResponse, type ToolResponseBlock, type ToolResponseData, type ValidationError, type ValidationResult };