import { swap, INITIAL_STATE, ALL_CRYPTO_KIND_OPTIONS } from 'reducers/swap';
import {
  buildDestinationAmount,
  buildDestinationKind,
  buildOriginKind
} from 'reducers/swap/helpers';
import * as swapActions from 'actions/swap';
import without from 'lodash/without';

describe('swap reducer', () => {
  it('should handle SWAP_ORIGIN_KIND', () => {
    const newOriginKind = 'ETH';
    const newDestinationKind = buildDestinationKind(
      newOriginKind,
      INITIAL_STATE.destinationKind
    );
    const fakeBityRates = {
      BTCETH: 10,
      ETHBTC: 0.01
    };
    expect(swap(undefined, swapActions.originKindSwap(newOriginKind))).toEqual({
      ...INITIAL_STATE,
      originKind: newOriginKind,
      destinationKind: newDestinationKind,
      destinationKindOptions: without(ALL_CRYPTO_KIND_OPTIONS, newOriginKind),
      destinationAmount: buildDestinationAmount(
        INITIAL_STATE.originAmount,
        newOriginKind,
        newDestinationKind,
        fakeBityRates
      )
    });
  });

  it('should handle SWAP_DESTINATION_KIND', () => {
    const newDestinationKind = 'REP';
    const newOriginKind = buildOriginKind(
      INITIAL_STATE.originKind,
      newDestinationKind
    );
    const fakeBityRates = {
      BTCETH: 10,
      ETHBTC: 0.01
    };
    expect(
      swap(undefined, swapActions.destinationKindSwap(newDestinationKind))
    ).toEqual({
      ...INITIAL_STATE,
      destinationKind: newDestinationKind,
      destinationKindOptions: without(ALL_CRYPTO_KIND_OPTIONS, newOriginKind),
      destinationAmount: buildDestinationAmount(
        INITIAL_STATE.originAmount,
        newOriginKind,
        newDestinationKind,
        fakeBityRates
      )
    });
  });

  it('should handle SWAP_ORIGIN_AMOUNT', () => {
    const originAmount = 2;
    expect(swap(undefined, swapActions.originAmountSwap(originAmount))).toEqual(
      {
        ...INITIAL_STATE,
        originAmount
      }
    );
  });

  it('should handle SWAP_DESTINATION_AMOUNT', () => {
    const destinationAmount = 2;
    expect(
      swap(undefined, swapActions.destinationAmountSwap(destinationAmount))
    ).toEqual({
      ...INITIAL_STATE,
      destinationAmount
    });
  });

  it('should handle SWAP_LOAD_BITY_RATES_SUCCEEDED', () => {
    const bityRates = {
      BTCETH: 0.01,
      ETHREP: 10,
      ETHBTC: 0,
      BTCREP: 0
    };
    expect(
      swap(undefined, swapActions.loadBityRatesSucceededSwap(bityRates))
    ).toEqual({
      ...INITIAL_STATE,
      isFetchingRates: false,
      bityRates
    });
  });

  it('should handle SWAP_STEP', () => {
    const step = 2;
    expect(swap(undefined, swapActions.changeStepSwap(step))).toEqual({
      ...INITIAL_STATE,
      step
    });
  });

  it('should handle SWAP_DESTINATION_ADDRESS', () => {
    const destinationAddress = '341a0sdf83';
    expect(
      swap(undefined, swapActions.destinationAddressSwap(destinationAddress))
    ).toEqual({
      ...INITIAL_STATE,
      destinationAddress
    });
  });

  it('should handle SWAP_RESTART', () => {
    const bityRates = {
      BTCETH: 0.01,
      ETHREP: 10
    };
    expect(
      swap(
        {
          ...INITIAL_STATE,
          bityRates,
          originAmount: 1
        },
        swapActions.restartSwap()
      )
    ).toEqual({
      ...INITIAL_STATE,
      bityRates
    });
  });

  it('should handle SWAP_ORDER_CREATE_REQUESTED', () => {
    expect(
      swap(undefined, {
        type: 'SWAP_ORDER_CREATE_REQUESTED'
      } as swapActions.SwapAction)
    ).toEqual({
      ...INITIAL_STATE,
      isPostingOrder: true
    });
  });

  it('should handle SWAP_ORDER_CREATE_FAILED', () => {
    expect(
      swap(undefined, {
        type: 'SWAP_ORDER_CREATE_FAILED'
      } as swapActions.SwapAction)
    ).toEqual({
      ...INITIAL_STATE,
      isPostingOrder: false
    });
  });

  it('should handle SWAP_BITY_ORDER_CREATE_SUCCEEDED', () => {
    const mockedBityOrder: swapActions.BityOrderPostResponse = {
      payment_address: 'payment_address',
      status: 'status',
      input: {
        amount: '1.111',
        currency: 'input_currency',
        reference: 'input_reference',
        status: 'input_status'
      },
      output: {
        amount: '1.111',
        currency: 'output_currency',
        reference: 'output_reference',
        status: 'output_status'
      },
      timestamp_created: 'timestamp_created',
      validFor: 0,
      id: 'id'
    };

    expect(
      swap(undefined, swapActions.bityOrderCreateSucceededSwap(mockedBityOrder))
    ).toEqual({
      ...INITIAL_STATE,
      bityOrder: {
        ...mockedBityOrder
      },
      isPostingOrder: false,
      originAmount: parseFloat(mockedBityOrder.input.amount),
      destinationAmount: parseFloat(mockedBityOrder.output.amount),
      secondsRemaining: mockedBityOrder.validFor,
      validFor: mockedBityOrder.validFor,
      orderTimestampCreatedISOString: mockedBityOrder.timestamp_created,
      paymentAddress: mockedBityOrder.payment_address,
      orderStatus: mockedBityOrder.status,
      orderId: mockedBityOrder.id
    });
  });

  it('should handle SWAP_BITY_ORDER_STATUS_SUCCEEDED', () => {
    const mockedBityResponse: swapActions.BityOrderResponse = {
      input: {
        amount: '1.111',
        currency: 'input_currency',
        reference: 'input_reference',
        status: 'input_status'
      },
      output: {
        amount: '1.111',
        currency: 'output_currency',
        reference: 'output_reference',
        status: 'FILL'
      },
      status: 'status'
    };

    expect(
      swap(undefined, swapActions.orderStatusSucceededSwap(mockedBityResponse))
    ).toEqual({
      ...INITIAL_STATE,
      outputTx: mockedBityResponse.output.reference,
      orderStatus: mockedBityResponse.output.status
    });
  });

  it('should handle SWAP_ORDER_TIME', () => {
    const secondsRemaining = 300;
    expect(
      swap(undefined, swapActions.orderTimeSwap(secondsRemaining))
    ).toEqual({
      ...INITIAL_STATE,
      secondsRemaining
    });
  });

  it('should handle SWAP_LOAD_BITY_RATES_REQUESTED', () => {
    expect(
      swap(undefined, {
        type: 'SWAP_LOAD_BITY_RATES_REQUESTED'
      } as swapActions.SwapAction)
    ).toEqual({
      ...INITIAL_STATE,
      isFetchingRates: true
    });
  });

  it('should handle SWAP_STOP_LOAD_BITY_RATES', () => {
    expect(
      swap(undefined, {
        type: 'SWAP_STOP_LOAD_BITY_RATES'
      } as swapActions.SwapAction)
    ).toEqual({
      ...INITIAL_STATE,
      isFetchingRates: false
    });
  });
});