import { Tool } from '../types/index.js';

export const guessTool: Tool = {
  name: 'guess_number',
  description: '猜一个1到100之间的整数。返回“大了”、“小了”或“猜对了”。',
  parameters: {
    type: 'object',
    properties: {
      number: { type: 'number', description: '你猜的数字' },
    },
    required: ['number'],
  },
  execute: async (args) => {
    // 答案写死在工具内部，模型绝对不知道
    const answer = 67;
    const guess = args.number;
    if (guess === answer) return '猜对了！';
    return guess > answer ? '大了' : '小了';
  },
};