// groups.tsx
// Copyright (C) 2020  Dwayne Harris

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

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 '../../actions/groups'
import { getGroups } from '../../selectors/groups'
import { setTitle } from '../../utils'
import { AppThunkDispatch } from '../../types'

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

const Groups: FC = () => {
    const groups = useSelector(getGroups)
    const history = useHistory()
    const dispatch = useDispatch<AppThunkDispatch>()

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

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

                <p>Flexor is made up of Communities. Each User account is created through one.</p>

                <HorizontalRule />

                {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