/*
 * 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 } from '@aws-amplify/core';
import Auth from '@aws-amplify/auth';

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

const logger = new Logger('ConfirmSignUp');

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

        this._validAuthStates = ['confirmSignUp'];
        this.confirm = this.confirm.bind(this);
        this.resend = this.resend.bind(this);
    }

    confirm() {
        const username = this.usernameFromAuthData() || this.inputs.username;
        const { code } = this.inputs;
        if (!Auth || typeof Auth.confirmSignUp !== 'function') {
            throw new Error('No Auth module found, please ensure @aws-amplify/auth is imported');
        }

        Auth.confirmSignUp(username, code)
            .then(() => this.changeState('signedUp'))
            .catch(err => this.error(err));
    }

    resend() {
        const username = this.usernameFromAuthData() || this.inputs.username;
        if (!Auth || typeof Auth.resendSignUp !== 'function') {
            throw new Error('No Auth module found, please ensure @aws-amplify/auth is imported');
        }
        Auth.resendSignUp(username)
            .then(() => logger.debug('code resent'))
            .catch(err => this.error(err));
    }

    showComponent(theme) {
        const { hide } = this.props;
        const username = this.usernameFromAuthData();

        if (hide && hide.includes(ConfirmSignUp)) { return null; }

        return (
            <FormSection theme={theme}>
                <SectionHeader theme={theme}>
                    {I18n.get('Confirm Sign Up')}
                </SectionHeader>
                <SectionBody theme={theme}>
                    <FormField theme={theme}>
                        <InputLabel theme={theme}>{I18n.get('Username')} *</InputLabel>
                        <Input
                            placeholder={I18n.get('Username')}
                            theme={theme}
                            key="username"
                            name="username"
                            onChange={this.handleInputChange}
                            disabled={username}
                            value={username ? username : ""}
                        />
                    </FormField>

                    <FormField theme={theme}>
                        <InputLabel theme={theme}>{I18n.get('Confirmation Code')} *</InputLabel>
                        <Input
                            autoFocus
                            placeholder={I18n.get('Enter your code')}
                            theme={theme}
                            key="code"
                            name="code"
                            autoComplete="off"
                            onChange={this.handleInputChange}
                        />
                        <Hint theme={theme}>
                            {I18n.get('Lost your code? ')}
                            <Link theme={theme} onClick={this.resend}>
                                {I18n.get('Resend Code')}
                            </Link>
                        </Hint>
                    </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>
        );
    }
}