/* @flow */

import * as React from 'react';

import styled from 'styled-components';
import colors from 'config/colors';
import { FADE_IN } from 'config/animations';

import { UI } from 'trezor-connect';
import * as MODAL from 'actions/constants/modal';
import * as RECEIVE from 'actions/constants/receive';
import * as CONNECT from 'actions/constants/TrezorConnect';

// device context
import Pin from 'components/modals/pin/Pin';
import InvalidPin from 'components/modals/pin/Invalid';
import Passphrase from 'components/modals/passphrase/Passphrase';
import PassphraseType from 'components/modals/passphrase/Type';
import ConfirmSignTx from 'components/modals/confirm/SignTx';
import ConfirmAction from 'components/modals/confirm/Action';
import ConfirmUnverifiedAddress from 'components/modals/confirm/UnverifiedAddress';
import ConfirmNoBackup from 'components/modals/confirm/NoBackup';
import ForgetDevice from 'components/modals/device/Forget';
import RememberDevice from 'components/modals/device/Remember';
import DuplicateDevice from 'components/modals/device/Duplicate';
import WalletType from 'components/modals/device/WalletType';

// external context
import Nem from 'components/modals/external/Nem';
import Cardano from 'components/modals/external/Cardano';
import Stellar from 'components/modals/external/Stellar';
import Tezos from 'components/modals/external/Tezos';

import QrModal from 'components/modals/QrModal';

import type { Props } from './Container';

const ModalContainer = styled.div`
    position: fixed;
    z-index: 10000;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: auto;
    padding: 20px;
    animation: ${FADE_IN} 0.3s;
`;

const ModalWindow = styled.div`
    margin: auto;
    position: relative;
    border-radius: 4px;
    background-color: ${colors.WHITE};
    text-align: center;
`;

// get modal component with device context
const getDeviceContextModal = (props: Props) => {
    const { modal, modalActions } = props;
    if (modal.context !== MODAL.CONTEXT_DEVICE) return null;

    switch (modal.windowType) {
        case UI.REQUEST_PIN:
            return <Pin device={modal.device} onPinSubmit={modalActions.onPinSubmit} />;

        case UI.INVALID_PIN:
            return <InvalidPin device={modal.device} />;

        case UI.REQUEST_PASSPHRASE:
            return (
                <Passphrase
                    device={modal.device}
                    selectedDevice={props.wallet.selectedDevice}
                    onPassphraseSubmit={modalActions.onPassphraseSubmit}
                />
            );

        case 'ButtonRequest_PassphraseType':
            return <PassphraseType device={modal.device} />;

        case 'ButtonRequest_SignTx': {
            if (!props.selectedAccount.network) return null;
            switch (props.selectedAccount.network.type) {
                case 'ethereum':
                    return (
                        <ConfirmSignTx device={modal.device} sendForm={props.sendFormEthereum} />
                    );
                case 'ripple':
                    return <ConfirmSignTx device={modal.device} sendForm={props.sendFormRipple} />;
                default:
                    return null;
            }
        }

        case 'ButtonRequest_ProtectCall':
            return <ConfirmAction device={modal.device} />;

        case 'ButtonRequest_Other':
        case 'ButtonRequest_ConfirmOutput':
            return <ConfirmAction device={modal.device} />;

        case RECEIVE.REQUEST_UNVERIFIED:
            return (
                <ConfirmUnverifiedAddress
                    device={modal.device}
                    account={props.selectedAccount.account}
                    onCancel={modalActions.onCancel}
                    showAddress={props.receiveActions.showAddress}
                    showUnverifiedAddress={props.receiveActions.showUnverifiedAddress}
                />
            );

        case CONNECT.REMEMBER_REQUEST:
            return (
                <RememberDevice
                    device={modal.device}
                    instances={modal.instances}
                    onRememberDevice={modalActions.onRememberDevice}
                    onForgetDevice={modalActions.onForgetDevice}
                />
            );

        case CONNECT.FORGET_REQUEST:
            return (
                <ForgetDevice
                    device={modal.device}
                    onForgetSingleDevice={modalActions.onForgetSingleDevice}
                    onCancel={modalActions.onCancel}
                />
            );

        case CONNECT.TRY_TO_DUPLICATE:
            return (
                <DuplicateDevice
                    device={modal.device}
                    devices={props.devices}
                    onDuplicateDevice={modalActions.onDuplicateDevice}
                    onCancel={modalActions.onCancel}
                />
            );

        case CONNECT.REQUEST_WALLET_TYPE:
            return (
                <WalletType
                    device={modal.device}
                    onWalletTypeRequest={modalActions.onWalletTypeRequest}
                    onCancel={modalActions.onCancel}
                />
            );

        default:
            return null;
    }
};

// get modal component with external context
const getExternalContextModal = (props: Props) => {
    const { modal, modalActions } = props;
    if (modal.context !== MODAL.CONTEXT_EXTERNAL_WALLET) return null;

    switch (modal.windowType) {
        case 'xem':
            return <Nem onCancel={modalActions.onCancel} />;
        case 'xlm':
            return <Stellar onCancel={modalActions.onCancel} />;
        case 'ada':
            return <Cardano onCancel={modalActions.onCancel} />;
        case 'xtz':
            return <Tezos onCancel={modalActions.onCancel} />;
        default:
            return null;
    }
};

const getQrModal = (props: Props) => {
    const { modalActions, selectedAccount } = props;

    if (!selectedAccount.network) return null;
    const networkType = selectedAccount.network.type;

    return (
        <QrModal
            onCancel={modalActions.onCancel}
            onScan={parsedUri => modalActions.onQrScan(parsedUri, networkType)}
        />
    );
};

const getConfirmationModal = (props: Props) => {
    const { modal, modalActions, wallet } = props;

    if (modal.context !== MODAL.CONTEXT_CONFIRMATION) return null;

    switch (modal.windowType) {
        case 'no-backup':
            return (
                <ConfirmNoBackup
                    device={wallet.selectedDevice}
                    onReceiveConfirmation={modalActions.onReceiveConfirmation}
                />
            );
        default:
            return null;
    }
};

// modal container component
const Modal = (props: Props) => {
    const { modal } = props;
    if (modal.context === MODAL.CONTEXT_NONE) return null;

    let component = null;
    switch (modal.context) {
        case MODAL.CONTEXT_DEVICE:
            component = getDeviceContextModal(props);
            break;
        case MODAL.CONTEXT_EXTERNAL_WALLET:
            component = getExternalContextModal(props);
            break;
        case MODAL.CONTEXT_SCAN_QR:
            component = getQrModal(props);
            break;
        case MODAL.CONTEXT_CONFIRMATION:
            component = getConfirmationModal(props);
            break;
        default:
            break;
    }

    return (
        <ModalContainer>
            <ModalWindow>{component}</ModalWindow>
        </ModalContainer>
    );
};

export default Modal;