import React, { ComponentType, useCallback, useRef } from 'react';
import { FormattedMessage as Message } from 'react-intl';
import { Link } from 'react-router-dom';
import { Helmet } from 'react-helmet-async';
import { ChangeLanguageLink } from 'app/components/languageSwitcher';
import { RelativeTime } from 'app/components/ui';
import { User } from 'app/components/user';
import RulesPage from 'app/pages/rules/RulesPage';

import ProfileField from './ProfileField';
import styles from './profile.scss';
import profileForm from './profileForm.scss';

type Props = {
    user: User;
    activeLocale: string;
};

const Profile: ComponentType<Props> = ({ user, activeLocale }) => {
    const uuidRef = useRef<HTMLSpanElement>();
    const onUuidMouseOver = useCallback(() => {
        if (!uuidRef.current) {
            return;
        }

        try {
            const selection = window.getSelection();

            if (!selection) {
                return;
            }

            const range = document.createRange();
            range.selectNodeContents(uuidRef.current);
            selection.removeAllRanges();
            selection.addRange(range);
        } catch (err) {
            // the browser does not support an API
        }
    }, []);

    return (
        <div data-testid="profile-index">
            <Message key="accountPreferencesTitle" defaultMessage="Ely.by account preferences">
                {(pageTitle: string) => (
                    <h2 className={styles.indexTitle}>
                        <Helmet title={pageTitle} />
                        {pageTitle}
                    </h2>
                )}
            </Message>

            <div className={styles.indexContent}>
                <div className={styles.descriptionColumn}>
                    <div className={styles.indexDescription}>
                        <Message
                            key="accountDescription"
                            defaultMessage="Ely.by account allows you to get access to many Minecraft resources. Please, take care of your account safety. Use secure password and change it regularly."
                        />
                    </div>
                </div>

                <div className={styles.formColumn}>
                    <div className={profileForm.form}>
                        <div className={styles.item}>
                            <h3 className={profileForm.title}>
                                <Message key="personalData" defaultMessage="Personal data" />
                            </h3>
                            <p className={profileForm.description}>
                                <Message
                                    key="preferencesDescription"
                                    defaultMessage="Here you can change the key preferences of your account. Please note that all actions must be confirmed by entering a password."
                                />
                            </p>
                        </div>

                        <ProfileField
                            link="/profile/change-username"
                            label={<Message key="nickname" defaultMessage="Nickname:" />}
                            value={user.username}
                            warningMessage={
                                user.hasMojangUsernameCollision ? (
                                    <Message
                                        key="mojangPriorityWarning"
                                        defaultMessage="A Mojang account with the same nickname was found. According to {rules}, account owner has the right to demand the restoration of control over nickname."
                                        values={{
                                            rules: (
                                                <Link
                                                    to={{
                                                        pathname: '/rules',
                                                        hash: `#${RulesPage.getRuleHash(1, 4)}`,
                                                    }}
                                                >
                                                    <Message key="projectRules" defaultMessage="project rules" />
                                                </Link>
                                            ),
                                        }}
                                    />
                                ) : (
                                    ''
                                )
                            }
                        />

                        <ProfileField
                            link="/profile/change-email"
                            label={<Message key="email" defaultMessage="E‑mail:" />}
                            value={user.email}
                        />

                        <ProfileField
                            link="/profile/change-password"
                            label={<Message key="password" defaultMessage="Password:" />}
                            value={
                                <Message
                                    key="changedAt"
                                    defaultMessage="Changed {at}"
                                    values={{
                                        at: <RelativeTime timestamp={user.passwordChangedAt * 1000} />,
                                    }}
                                />
                            }
                        />

                        <ProfileField
                            label={<Message key="siteLanguage" defaultMessage="Site language:" />}
                            value={<ChangeLanguageLink />}
                            warningMessage={
                                user.lang === activeLocale ? (
                                    ''
                                ) : (
                                    <Message
                                        key="languageIsUnavailableWarning"
                                        defaultMessage={
                                            'The locale "{locale}" you\'ve used earlier isn\'t currently translated enough. If you want to continue using the selected language, please {participateInTheTranslation} of the project.'
                                        }
                                        values={{
                                            locale: user.lang,
                                            participateInTheTranslation: (
                                                <a href="http://ely.by/translate" target="_blank">
                                                    <Message
                                                        key="participateInTheTranslation"
                                                        defaultMessage="participate in the translation"
                                                    />
                                                </a>
                                            ),
                                        }}
                                    />
                                )
                            }
                        />

                        <ProfileField
                            link="/profile/mfa"
                            label={<Message key="twoFactorAuth" defaultMessage="Two‑factor auth:" />}
                            value={
                                user.isOtpEnabled ? (
                                    <Message key="enabled" defaultMessage="Enabled" />
                                ) : (
                                    <Message key="disabled" defaultMessage="Disabled" />
                                )
                            }
                        />

                        <ProfileField
                            label={<Message key="uuid" defaultMessage="UUID:" />}
                            value={
                                <span
                                    className={styles.uuid}
                                    ref={(ref) => (uuidRef.current = ref!)}
                                    onMouseOver={onUuidMouseOver}
                                >
                                    {user.uuid}
                                </span>
                            }
                        />
                    </div>
                </div>
            </div>
        </div>
    );
};

export default Profile;