/*
 * Copyright 2017-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */

import * as React from 'react';

import { I18n, ConsoleLogger as Logger, JS } from '@aws-amplify/core';
import Auth from '@aws-amplify/auth';

import AuthPiece from './AuthPiece';
import {
    FormSection,
    FormField,
    SectionHeader,
    SectionBody,
    SectionFooter,
    Input,
    InputLabel,
    Button,
    Link,
    SectionFooterPrimaryContent,
    SectionFooterSecondaryContent,
} from '../Amplify-UI/Amplify-UI-Components-React';

const logger = new Logger('ConfirmSignIn');

export default class ConfirmSignIn extends AuthPiece {
    constructor(props) {
        super(props);

        this._validAuthStates = ['confirmSignIn'];
        this.confirm = this.confirm.bind(this);
        this.checkContact = this.checkContact.bind(this);
        this.state = {
            mfaType: 'SMS'
        };
    }

    checkContact(user) {
        if (!Auth || typeof Auth.verifiedContact !== 'function') {
            throw new Error('No Auth module found, please ensure @aws-amplify/auth is imported');
        }

        Auth.verifiedContact(user)
            .then(data => {
                if (!JS.isEmpty(data.verified)) {
                    this.changeState('signedIn', user);
                } else {
                    const newUser = Object.assign(user, data);
                    this.changeState('verifyContact', newUser);
                }
            });
    }

    confirm() {
        const user = this.props.authData;
        const { code } = this.inputs;
        const mfaType = user.challengeName === 'SOFTWARE_TOKEN_MFA' ? 'SOFTWARE_TOKEN_MFA' : null;
        if (!Auth || typeof Auth.confirmSignIn !== 'function') {
            throw new Error('No Auth module found, please ensure @aws-amplify/auth is imported');
        }

        Auth.confirmSignIn(user, code, mfaType)
            .then(() => {
                this.checkContact(user);
            })
            .catch(err => this.error(err));
    }

    componentDidUpdate() {
        // logger.debug('component did update with props', this.props);
        const user = this.props.authData;
        const mfaType = user && user.challengeName === 'SOFTWARE_TOKEN_MFA'?
            'TOTP' : 'SMS';
        if (this.state.mfaType !== mfaType) this.setState({ mfaType });
    }

    showComponent(theme) {
        const { hide, authData } = this.props;
        if (hide && hide.includes(ConfirmSignIn)) { return null; }

        return (
            <FormSection theme={theme}>
                <SectionHeader theme={theme}>{I18n.get('Confirm ' + this.state.mfaType + ' Code')}</SectionHeader>
                <SectionBody theme={theme}>
                    <FormField theme={theme}>
                        <InputLabel theme={theme}>{I18n.get('Code')} *</InputLabel>
                        <Input
                            autoFocus
                            placeholder={I18n.get('Code')}
                            theme={theme}
                            key="code"
                            name="code"
                            autoComplete="off"
                            onChange={this.handleInputChange}
                        />
                    </FormField>
                </SectionBody>
                <SectionFooter theme={theme}>
                    <SectionFooterPrimaryContent theme={theme}>
                        <Button theme={theme} onClick={this.confirm}>
                            {I18n.get('Confirm')}
                        </Button>
                    </SectionFooterPrimaryContent>
                    <SectionFooterSecondaryContent theme={theme}>
                        <Link theme={theme} onClick={() => this.changeState('signIn')}>
                            {I18n.get('Back to Sign In')}
                        </Link>
                    </SectionFooterSecondaryContent>
                </SectionFooter>
            </FormSection>
        );
    }
}