import { z } from 'zod';
import { validateWithWarnings } from '../lib/validator.js';
import { formatValidation } from '../utils/format.js';
import { successResponse, errorResponse } from '../lib/tool-response.js';
import type { ToolResponse } from '../lib/tool-response.js';

export const validateToolName = 'validate-spec';

export const validateToolDescription = 'Validate an OpenAPI/Swagger specification against the schema. Reports errors and warnings.';

export const validateToolSchema = {
  path: z.string().describe('Path to the OpenAPI/Swagger spec file (YAML or JSON)'),
};

export async function validateToolHandler({ path }: { path: string }): Promise<ToolResponse> {
  try {
    const result = await validateWithWarnings(path);
    const text = formatValidation(result);
    return successResponse(text, { ...result });
  } catch (err) {
    return errorResponse((err as Error).message, 'validating spec');
  }
}