import { PublicKey } from "@solana/web3.js";
import { Tool } from "langchain/tools";
import { SolanaAgentKit } from "../../agent";

export class SolanaLimitOrderTool extends Tool {
  name = "solana_limit_order";
  description = `This tool can be used to place limit orders using Manifest.

  Do not allow users to place multiple orders with this instruction, use solana_batch_order instead.

  Inputs ( input is a JSON string ):
  marketId: PublicKey, eg "ENhU8LsaR7vDD2G1CsWcsuSGNrih9Cv5WZEk7q9kPapQ" for SOL/USDC (required)
  quantity: number, eg 1 or 0.01 (required)
  side: string, eg "Buy" or "Sell" (required)
  price: number, in tokens eg 200 for SOL/USDC (required)`;

  constructor(private solanaKit: SolanaAgentKit) {
    super();
  }

  protected async _call(input: string): Promise<string> {
    try {
      const parsedInput = JSON.parse(input);

      const tx = await this.solanaKit.limitOrder(
        new PublicKey(parsedInput.marketId),
        parsedInput.quantity,
        parsedInput.side,
        parsedInput.price,
      );

      return JSON.stringify({
        status: "success",
        message: "Trade executed successfully",
        transaction: tx,
        marketId: parsedInput.marketId,
        quantity: parsedInput.quantity,
        side: parsedInput.side,
        price: parsedInput.price,
      });
    } catch (error: any) {
      return JSON.stringify({
        status: "error",
        message: error.message,
        code: error.code || "UNKNOWN_ERROR",
      });
    }
  }
}