import React, { FC } from 'react'
import { useSelector } from 'react-redux'
import { Link } from 'react-router-dom'
import { getAuthenticatedUser } from '../selectors/authentication'
import { useTheme } from '../hooks'

import HorizontalRule from '../components/horizontal-rule'

const SelfInfo: FC = () => {
    const theme = useTheme()
    const user = useSelector(getAuthenticatedUser)

    if (!user) {
        return (
            <div className="user-info-unauthenticated" style={{ backgroundColor: theme.primary }}>
                <Link to="/login" style={{ color: theme.primaryAlternate, fontSize: '1.1rem' }}>Log In to Flexor</Link>
                <HorizontalRule />
                <Link to="/communities" style={{ color: theme.backgroundSecondary, fontSize: '0.9rem' }}>Create an Account</Link>
            </div>
        )
    }

    const group = user.group
    const groupImageUrl = group && group.iconImageUrl ? group.iconImageUrl : undefined

    const name = () => {
        if (user.name) {
            return (
                <Link to="/self" style={{ color: theme.primaryAlternate }}>
                    <span style={{ fontSize: '1rem' }}>{user.name}</span> <span style={{ fontSize: '0.9rem', fontWeight: 'bold' }}>@{user.id}</span>
                </Link>
            )
        }

        return <Link to="/self" style={{ color: theme.primaryAlternate }}>@{user.id}</Link>
    }

    return (
        <div className="user-info" style={{ backgroundColor: theme.primary, color: theme.primaryAlternate }}>
            {user.imageUrl &&
                <div className="image">
                    <img src={user.imageUrl} style={{ width: 32 }} />
                </div>
            }
            <div>
                {name()}
                <br />
                {group &&
                    <div className="group-info">
                        {groupImageUrl &&
                            <div className="image">
                                <img src={groupImageUrl} style={{ width: 16 }} />
                            </div>
                        }
                        <div>
                            <Link to={`/c/${group.id}`} style={{ color: theme.backgroundSecondary }}>{group.name}</Link>
                        </div>
                    </div>
                }
            </div>
        </div>
    )
}

export default SelfInfo