import React, { FC, useEffect } from 'react'
import { useSelector, useDispatch } from 'react-redux'
import { useHistory } from 'react-router-dom'
import { faPlusCircle } from '@fortawesome/free-solid-svg-icons'

import { fetchGroups } from 'src/actions/groups'
import { getGroups } from 'src/selectors/groups'
import { setTitle } from 'src/utils'
import { AppState, AppThunkDispatch, Group } from 'src/types'

import Title from 'src/components/title'
import Section from 'src/components/section'
import HorizontalRule from 'src/components/horizontal-rule'
import GroupListItem from 'src/components/group-list-item'
import PrimaryButton from 'src/components/controls/primary-button'

const Groups: FC = () => {
    const groups = useSelector<AppState, Group[]>(getGroups)
    const history = useHistory()
    const dispatch = useDispatch<AppThunkDispatch>()

    useEffect(() => {
        dispatch(fetchGroups())
        setTitle('Communities')
    }, [])

    return (
        <div>
            <Section>
                <Title>Communities</Title>

                {groups.map(group => <GroupListItem group={group} />)}
                <HorizontalRule />

                <div style={{ textAlign: 'center' }}>
                    <PrimaryButton text="Create your own Community" icon={faPlusCircle} onClick={() => history.push('/register')} />
                </div>
            </Section>
        </div>
    )
}

export default Groups
