import { Connection } from "@solana/web3.js";
import { AnchorProvider, Program, Wallet } from "@anchor-lang/core";
import { Keypair } from "@solana/web3.js";
import idl from "../idl/smart_updown.json";

import type { SmartUpdown } from "../idl/smart_updown";

/**
 * Создаёт готовый клиент программы: Connection + AnchorProvider (подпись админа-
 * релеера) + типизированный Program, собранный из IDL.
 */
export function makeProgram(
  connection: Connection,
  admin: Keypair
): Program<SmartUpdown> {
  const provider = new AnchorProvider(
    connection,
    new Wallet(admin),
    { commitment: "confirmed", preflightCommitment: "confirmed" }
  );
  // IDL.address задаёт programId в рантайме.
  return new Program<SmartUpdown>(idl as unknown as SmartUpdown, provider);
}

export function makeConnection(rpcUrl: string): Connection {
  return new Connection(rpcUrl, "confirmed");
}