import { Tool } from "langchain/tools"

/**
 * Tool to fetch the price of a token in USDC
 */
export class SolanaFetchPriceTool extends Tool {
  name = "solana_fetch_price"
  description = `Fetch the price of a given token in USDC.

  Inputs:
  - tokenId: string, the mint address of the token, e.g., "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN"`

  constructor(solanaKit) {
    super()
    this.solanaKit = solanaKit
  }

  async _call(input) {
    try {
      const price = await this.solanaKit.fetchTokenPrice(input.trim())
      return JSON.stringify({
        status: "success",
        tokenId: input.trim(),
        priceInUSDC: price
      })
    } catch (error) {
      return JSON.stringify({
        status: "error",
        message: error.message,
        code: error.code || "UNKNOWN_ERROR"
      })
    }
  }
}