import { createWeb3ReactStoreAndActions } from '@web3-react/store'
import type { Actions, RequestArguments, Web3ReactStore } from '@web3-react/types'
import { WalletConnect } from '.'
import { MockEIP1193Provider } from '../../eip1193/src/index.spec'

// necessary because walletconnect returns chainId as a number
export class MockMockWalletConnectProvider extends MockEIP1193Provider {
  public eth_chainId_number = jest.fn((chainId?: string) =>
    chainId === undefined ? chainId : Number.parseInt(chainId, 16)
  )

  public request(x: RequestArguments): Promise<unknown> {
    if (x.method === 'eth_chainId') {
      return Promise.resolve(this.eth_chainId_number(this.chainId))
    } else {
      return super.request(x)
    }
  }
}

jest.mock('@walletconnect/ethereum-provider', () => MockMockWalletConnectProvider)

const chainId = '0x1'
const accounts: string[] = []

describe('WalletConnect', () => {
  let store: Web3ReactStore
  let connector: WalletConnect
  let mockConnector: MockMockWalletConnectProvider

  describe('connectEagerly = true', () => {
    beforeEach(() => {
      let actions: Actions
      ;[store, actions] = createWeb3ReactStoreAndActions()
      connector = new WalletConnect(actions, {})
    })

    beforeEach(async () => {
      mockConnector = connector.provider as unknown as MockMockWalletConnectProvider
      mockConnector.chainId = chainId
      mockConnector.accounts = accounts
    })

    test('#activate', async () => {
      await connector.activate()

      expect(store.getState()).toEqual({
        chainId: Number.parseInt(chainId, 16),
        accounts,
        activating: false,
        error: undefined,
      })
    })
  })
})