import React, { FC, useEffect } from 'react'
import { useSelector, useDispatch } from 'react-redux'

import { fetchTimeline } from '../../actions/posts'
import { getAuthenticated } from '../../selectors/authentication'
import { setTitle } from '../../utils'
import { AppThunkDispatch } from '../../types'

import Title from '../../components/title'
import Composer from '../../components/composer'
import Timeline from '../../components/timeline'
import Section from '../../components/section'
import Subtitle from '../../components/subtitle'

const Home: FC = () => {
    const authenticated = useSelector(getAuthenticated)
    const dispatch = useDispatch<AppThunkDispatch>()

    useEffect(() => {
        setTitle('Home')
    })

    const handlePost = () => {
        dispatch(fetchTimeline())
    }

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

            {authenticated &&
                <div>
                    <Composer onPost={handlePost} />

                    <div style={{ padding: '0px 1rem' }}>
                        <Subtitle>Timeline</Subtitle>
                    </div>

                    <Timeline />
                </div>
            }
        </div>
    )
}

export default Home
