import { z } from 'zod';
import { makeCodecontextTool } from './factory.js';

export const GetSymbolInfoInput = z.object({
  symbol_name: z.string().min(1),
  file_path: z.string().trim().optional(),
  framework_type: z.string().optional(),
});
export type GetSymbolInfoInputT = z.infer<typeof GetSymbolInfoInput>;

const DESCRIPTION =
  'Returns detailed information about a named symbol: definition location, kind (function/class/method/etc.), and (when known) framework-specific context (React component, Vue store, Angular service, …). ' +
  'Tree-sitter coverage: full for JS/Python/Java/Go/Rust/C++. TypeScript symbols are approximate (uses JS grammar). ' +
  'PHP and SQL are not supported — fall back to grep for those.';

const { toolDef: getSymbolInfo, execute: executeGetSymbolInfo } =
  makeCodecontextTool<GetSymbolInfoInputT>({
    name: 'get_symbol_info',
    schema: GetSymbolInfoInput,
    description: DESCRIPTION,
    jsonParameters: {
      type: 'object',
      properties: {
        symbol_name: {
          type: 'string',
          description: 'The symbol name to look up (case-sensitive).',
        },
        file_path: {
          type: 'string',
          description: 'Narrow to a specific file when the symbol name is ambiguous.',
        },
        framework_type: {
          type: 'string',
          description: 'Hint for framework-specific extraction (react|vue|svelte|django|fastapi|express|nest|…).',
        },
      },
      required: ['symbol_name'],
      additionalProperties: false,
    },
    mapArgs: (input) => {
      const args: Record<string, unknown> = { symbol_name: input.symbol_name };
      if (input.file_path) args['file_path'] = input.file_path;
      if (input.framework_type) args['framework_type'] = input.framework_type;
      return args;
    },
  });

export { getSymbolInfo, executeGetSymbolInfo };