import React from 'react'
import assert from 'assert'
import { shallow } from 'enzyme'
import sinon from 'sinon'
import { CONFIRM_TRANSACTION_ROUTE, DEFAULT_ROUTE } from '../../../../routes'
import SendFooter from '../send-footer.component.js'

import PageContainerFooter from '../../../page-container/page-container-footer'

const propsMethodSpies = {
  addToAddressBookIfNew: sinon.spy(),
  clearSend: sinon.spy(),
  sign: sinon.spy(),
  update: sinon.spy(),
}
const historySpies = {
  push: sinon.spy(),
}
const MOCK_EVENT = { preventDefault: () => {} }

sinon.spy(SendFooter.prototype, 'onCancel')
sinon.spy(SendFooter.prototype, 'onSubmit')

describe('Send Component', function () {
  let wrapper

  beforeEach(() => {
    wrapper = shallow(<SendFooter
      addToAddressBookIfNew={propsMethodSpies.addToAddressBookIfNew}
      amount={'mockAmount'}
      clearSend={propsMethodSpies.clearSend}
      disabled={true}
      editingTransactionId={'mockEditingTransactionId'}
      errors={{}}
      from={ { address: 'mockAddress', balance: 'mockBalance' } }
      gasLimit={'mockGasLimit'}
      gasPrice={'mockGasPrice'}
      gasTotal={'mockGasTotal'}
      history={historySpies}
      selectedToken={{ mockProp: 'mockSelectedTokenProp' }}
      sign={propsMethodSpies.sign}
      to={'mockTo'}
      toAccounts={['mockAccount']}
      tokenBalance={'mockTokenBalance'}
      unapprovedTxs={['mockTx']}
      update={propsMethodSpies.update}
    />, { context: { t: str => str } })
    instance = wrapper.instance()
  })

  afterEach(() => {
    propsMethodSpies.clearSend.resetHistory()
    propsMethodSpies.addToAddressBookIfNew.resetHistory()
    propsMethodSpies.clearSend.resetHistory()
    propsMethodSpies.sign.resetHistory()
    propsMethodSpies.update.resetHistory()
    historySpies.push.resetHistory()
    SendFooter.prototype.onCancel.resetHistory()
    SendFooter.prototype.onSubmit.resetHistory()
  })

  describe('onCancel', () => {
    it('should call clearSend', () => {
      assert.equal(propsMethodSpies.clearSend.callCount, 0)
      wrapper.instance().onCancel()
      assert.equal(propsMethodSpies.clearSend.callCount, 1)
    })

    it('should call history.push', () => {
      assert.equal(historySpies.push.callCount, 0)
      wrapper.instance().onCancel()
      assert.equal(historySpies.push.callCount, 1)
      assert.equal(historySpies.push.getCall(0).args[0], DEFAULT_ROUTE)
    })
  })

  describe('onSubmit', () => {
    it('should call addToAddressBookIfNew with the correct params', () => {
      wrapper.instance().onSubmit(MOCK_EVENT)
      assert(propsMethodSpies.addToAddressBookIfNew.calledOnce)
      assert.deepEqual(
        propsMethodSpies.addToAddressBookIfNew.getCall(0).args,
        ['mockTo', ['mockAccount']]
      )
    })

    it('should call props.update if editingTransactionId is truthy', () => {
      wrapper.instance().onSubmit(MOCK_EVENT)
      assert(propsMethodSpies.update.calledOnce)
      assert.deepEqual(
        propsMethodSpies.update.getCall(0).args[0],
        {
          amount: 'mockAmount',
          editingTransactionId: 'mockEditingTransactionId',
          from: 'mockAddress',
          gas: 'mockGasLimit',
          gasPrice: 'mockGasPrice',
          selectedToken: { mockProp: 'mockSelectedTokenProp' },
          to: 'mockTo',
          unapprovedTxs: ['mockTx'],
        }
      )
    })

    it('should not call props.sign if editingTransactionId is truthy', () => {
      assert.equal(propsMethodSpies.sign.callCount, 0)
    })

    it('should call props.sign if editingTransactionId is falsy', () => {
      wrapper.setProps({ editingTransactionId: null })
      wrapper.instance().onSubmit(MOCK_EVENT)
      assert(propsMethodSpies.sign.calledOnce)
      assert.deepEqual(
        propsMethodSpies.sign.getCall(0).args[0],
        {
          amount: 'mockAmount',
          from: 'mockAddress',
          gas: 'mockGasLimit',
          gasPrice: 'mockGasPrice',
          selectedToken: { mockProp: 'mockSelectedTokenProp' },
          to: 'mockTo',
        }
      )
    })

    it('should not call props.update if editingTransactionId is falsy', () => {
      assert.equal(propsMethodSpies.update.callCount, 0)
    })

    it('should call history.push', () => {
      wrapper.instance().onSubmit(MOCK_EVENT)
      assert.equal(historySpies.push.callCount, 1)
      assert.equal(historySpies.push.getCall(0).args[0], CONFIRM_TRANSACTION_ROUTE)
    })
  })

  describe('render', () => {
    it('should render a PageContainerFooter component', () => {
      assert.equal(wrapper.find(PageContainerFooter).length, 1)
    })

    it('should pass the correct props to PageContainerFooter', () => {
      const {
        onCancel,
        onSubmit,
        disabled,
      } = wrapper.find(PageContainerFooter).props()
      assert.equal(disabled, true)

      assert.equal(SendFooter.prototype.onSubmit.callCount, 0)
      onSubmit(MOCK_EVENT)
      assert.equal(SendFooter.prototype.onSubmit.callCount, 1)

      assert.equal(SendFooter.prototype.onCancel.callCount, 0)
      onCancel()
      assert.equal(SendFooter.prototype.onCancel.callCount, 1)
    })
  })
})