import {
  // Services
  PoolService,
  PositionService,
  ProposalService,
  StableSwapService,
  StakingService,
  VaultService,
  // Interfaces
  IPoolService,
  IPositionService,
  IProposalService,
  IStableSwapService,
  IStakingService,
  IVaultService,
} from 'fathom-sdk';
import { JsonRpcProvider } from "@ethersproject/providers";
/**
 * Cache for contract instances.
 */
import { Web3Utils } from 'fathom-sdk';
/**
 * Apothen Testnet, for Mainnet use 50.
 */
const DEFAULT_CHAIN_ID = 51;
/**
 * Read-only mode.
 * Use public RPC for read on-chain data.
 */
const getDefaultProvider = () => new JsonRpcProvider('https://erpc.apothem.network/');

export class RootService {
  /*
   * Services
   */
  poolService: IPoolService;
  positionService: IPositionService;
  stableSwapService: IStableSwapService;
  proposalService: IProposalService;
  stakingService: IStakingService;
  vaultService: IVaultService;

  chainId = DEFAULT_CHAIN_ID;

  provider: JsonRpcProvider;

  serviceList = [
    'poolService',
    'positionService',
    'proposalService',
    'stableSwapService',
    'stakingService',
    'vaultService',
  ];

  constructor() {
    this.provider = getDefaultProvider();

    this.poolService = new PoolService(this.provider, this.chainId);
    this.positionService = new PositionService(this.provider, this.chainId);
    this.proposalService = new ProposalService(this.provider, this.chainId);
    this.stakingService = new StakingService(this.provider, this.chainId);
    this.stableSwapService = new StableSwapService(this.provider, this.chainId);
    this.vaultService = new VaultService(this.provider, this.chainId);
  }

  /**
   * When chain id changed need to call this function.
   * @param chainId
   */
  setChainId(chainId: number) {
    this.chainId = chainId;
    /**
     * Pass chainId to services.
     */
    this.serviceList.forEach(serviceName => {
      this[serviceName].setChainId(chainId);
    });
  }

  /**
   * Provider is JsonRpcProvider provider instance
   * It can be JsonRpcProvider or WebSocketProvider or Web3Provider
   * @param provider
   */
  setProvider(provider: JsonRpcProvider) {
    this.provider = provider;
    /**
     * When change provider need to reset contracts cache.
     */
    Web3Utils.clearContracts();
    /**
     * Pass provider to services.
     */
    this.serviceList.forEach(serviceName => {
      this[serviceName].setProvider(provider);
    });
  }
}