import { JsonRpcSigner, Wallet, Signer } from "../signers";
import { Contract } from "./contract";


export class ContractFactory {
  abi: any;
  bytecode: string;
  signer: Wallet | JsonRpcSigner;
  contract: Contract;

  constructor(abi: any, bytecode: string, signer?: any) {
    this.abi = abi;
    this.bytecode = bytecode;
    this.signer = signer;
  }

  /**
   * Returns a new instance of the ContractFactory 
   * with the same interface and bytecode, 
   * but with a different signer.
   */
  public connect(signer: Signer): ContractFactory {
    return new ContractFactory(this.abi, this.bytecode, signer)
  }

  public async deploy(...args: Array<any>): Promise<Contract> {
    const account = await this.signer.getAccount();
    const contract = this.signer.provider.cfxClient.Contract({ "abi": this.abi, "bytecode": this.bytecode });
    const receipt = await contract.constructor().sendTransaction({ from: account.address }).executed();
    const contractAddress = receipt["contractCreated"];
    return new Contract(contractAddress, this.abi, this.signer);
  }
}