import { tool } from "langchain"

/**
 * 年份节日列表工具
 * 查询给定年份节日所在日期列表
 */
export const getYearHolidaysTool = tool(
  async ({ year }) => {
    try {
      // 简化实现，返回基本节日信息
      const holidays = [
        { date: `${year}-01-01`, name: '元旦' },
        { date: `${year}-02-14`, name: '情人节' },
        { date: `${year}-05-01`, name: '劳动节' },
        { date: `${year}-06-01`, name: '儿童节' },
        { date: `${year}-10-01`, name: '国庆节' }
      ]
      
      return JSON.stringify({ year, holidays }, null, 2)
    } catch (error) {
      console.error('Error in year holidays tool:', error)
      return JSON.stringify({ error: error.message }, null, 2)
    }
  },
  {
    name: "get_year_holidays",
    description: "查询给定年份节日所在日期列表",
    schema: {
      type: "object",
      properties: {
        year: {
          type: "number",
          description: "年份",
          minimum: 1900,
          maximum: 2100
        }
      },
      required: ["year"]
    }
  }
)