import Services from '../Services';
import { FUND_ABI } from './abi/Fund';
import Promisify from '../utils/Promisify';
import BigNumber from 'bignumber.js';

export class Derivative extends Services {
  private contract;
  public address;

  public constructor(address: string, abi = FUND_ABI) {
    super();
    this.address = address;
    this.contract = this.rpcService.contract(abi, address);
  }

  public get nativeContract() {
    return this.contract;
  }

  public async getOwner(): Promise<string> {
    return await Promisify<string>((cb: () => void) => this.contract.owner(cb));
  }

  public async getDerivativeType(): Promise<number> {
    return (await this.contract.fundType()).toNumber();
  }

  public async getComponentAddress(componentName: string): Promise<string> {
    return Promisify<string>(async (cb) =>
      this.contract.getComponentByName(this.rpcService.fromAscii(componentName), cb));
  }

  public async getProductStatus(): Promise<number> {
    return (await Promisify<BigNumber>(async (cb) => this.contract.productStatus(cb))).toNumber();
  }

  public async getStatus(): Promise<number> {
    return (await Promisify<BigNumber>(async (cb) => this.contract.status(cb))).toNumber();
  }

  public async getName() {
    return await Promisify<string>(async (cb) => this.contract.name(cb));
  }

  public async getDescription() {
    return await Promisify<string>(async (cb) => this.contract.description(cb));
  }

  public async getVersion() {
    return await Promisify<string>(async (cb) => this.contract.version(cb));
  }
}