'use strict';

import fs from 'fs';
import { defineTool, ToolError } from 'llmorbiter';
import { resolveSafe } from '../sandbox.js';
import { pushUndo } from '../undo.js';
import { emitToolCall, clip } from './notify.js';

export const mkdirTool = defineTool({
    name: 'mkdir',
    description: 'Make a dir in ws (recursive if parents missing).',
    parameters: {
        type: 'object',
        additionalProperties: false,
        required: ['dirname'],
        properties: {
            dirname: {
                type: 'string',
                description: 'Dir path rel to root.',
            },
        },
    },
    invoke: async ({ dirname }) => {
        const absDir = resolveSafe(dirname);
        if (fs.existsSync(absDir)) {
            if (!fs.statSync(absDir).isDirectory()) {
                throw new ToolError(`Path "${dirname}" already exists and is not a directory.`);
            }
            return { message: `Directory already exists: "${dirname}"`, created: false };
        }
        fs.mkdirSync(absDir, { recursive: true });
        pushUndo({ op: 'DELETE_DIR', path: dirname });
        return { message: `Directory created: "${dirname}"`, created: true };
    },
});

/**
 * Call notification: the directory to create.
 */
export function notifyCall(args = {}) {
    emitToolCall(mkdirTool.name, clip(JSON.stringify(args.dirname ?? '')));
}