import { NextPage } from 'next'
import Link from 'next/link'
import dynamic from 'next/dynamic'
import { useRouter } from 'next/router'

import { CsrfContext, ResponseProps, Server, Theme, User } from '@types'
import { get } from '@utils/Query'
import { parseCookie, checkServerFlag, makeServerURL } from '@utils/Tools'

import { ParsedUrlQuery } from 'querystring'

import NotFound from 'pages/404'
import { getToken } from '@utils/Csrf'
import Captcha from '@components/Captcha'
import { useState } from 'react'
import Fetch from '@utils/Fetch'
import Day from '@utils/Day'
import { getJosaPicker } from 'josa'
import { KoreanbotsEndPoints } from '@utils/Constants'
import { NextSeo } from 'next-seo'


const Container = dynamic(() => import('@components/Container'))
const ServerIcon = dynamic(() => import('@components/ServerIcon'))
const Button = dynamic(() => import('@components/Button'))
const Tag = dynamic(() => import('@components/Tag'))
const Segment = dynamic(() => import('@components/Segment'))
const Advertisement = dynamic(() => import('@components/Advertisement'))
const Login = dynamic(() => import('@components/Login'))
const Message = dynamic(() => import('@components/Message'))

const VoteServer: NextPage<VoteServerProps> = ({ data, user, theme, csrfToken }) => {
	const [ votingStatus, setVotingStatus ] = useState(0)
	const [ result, setResult ] = useState<ResponseProps<{retryAfter?: number}>>(null)
	const router = useRouter()
	if(!data?.id) return <NotFound />
	if(!user) return <Login>
		<NextSeo title={data.name} description={`한국 디스코드 리스트에서 ${data.name}에 투표하세요.`} openGraph={{
			images: [
				{
					url: KoreanbotsEndPoints.CDN.icon(data.id, { format: 'png', size: 256 }),
					width: 256,
					height: 256,
					alt: 'Server Icon'
				}
			]
		}} />
	</Login>
	
	if((checkServerFlag(data.flags, 'trusted') || checkServerFlag(data.flags, 'partnered')) && data.vanity && data.vanity !== router.query.id) router.push(`/servers/${data.vanity}/vote?csrfToken=${csrfToken}`)
	return <Container paddingTop className='py-10'>
		<NextSeo title={data.name} description={`한국 디스코드 리스트에서 ${data.name}에 투표하세요.`} openGraph={{
			images: [
				{
					url: KoreanbotsEndPoints.CDN.icon(data.id, { format: 'png', size: 256 }),
					width: 256,
					height: 256,
					alt: 'Server Avatar'
				}
			]
		}} />
		{
			data.state === 'blocked' ? <div className='pb-40'>
				<Message type='error'>
					<h2 className='text-lg font-extrabold'>해당 서버는 관리자에 의해 삭제되었습니다.</h2>
				</Message>
			</div> : <>
				<Advertisement />
				<Link href={makeServerURL(data)}>
					<a className='text-blue-500 hover:opacity-80'><i className='fas fa-arrow-left mt-3 mb-3' /> <strong>{data.name}</strong>{getJosaPicker('로')(data.name)} 돌아가기</a>
				</Link>
				<Segment className='mb-16 py-8'>
					<div className='text-center'>
						<ServerIcon id={data.id} className='mx-auto w-52 h-52 bg-white mb-4 rounded-full' />
						<Tag text={<span><i className='fas fa-heart text-red-600' /> {data.votes}</span>} dark />
						<h1 className='text-3xl font-bold mt-3'>{data.name}</h1>
						<h4 className='text-md mt-1'>12시간마다 다시 투표하실 수 있습니다.</h4>
						<div className='inline-block mt-2'>
							{
								votingStatus === 0 ? <Button onClick={()=> setVotingStatus(1)}>
									<><i className='far fa-heart text-red-600'/> 하트 추가</>
								</Button> 
									: votingStatus === 1 ? <Captcha dark={theme === 'dark'} onVerify={async (key) => {
										const res = await Fetch<{ retryAfter: number }|unknown>(`/servers/${data.id}/vote`, { method: 'POST', body: JSON.stringify({ _csrf: csrfToken, _captcha: key }) })
										setResult(res)
										setVotingStatus(2)
									}}
									/>
										: result.code === 200 ? <h2 className='text-2xl font-bold'>해당 서버에 투표했습니다!</h2>
											: result.code === 429 ? <>
												<h2 className='text-2xl font-bold'>이미 해당 서버에 투표하였습니다.</h2>
												<h4 className='text-md mt-1'>{Day(+new Date() + result.data?.retryAfter).fromNow()} 다시 투표하실 수 있습니다.</h4>
											</>
												: <p>{result.message}</p>
							}
						</div>
				
					</div>
				</Segment>
				<Advertisement /></>
		}
	</Container>
}

export const getServerSideProps = async (ctx: Context) => {
	const parsed = parseCookie(ctx.req)
	const data = await get.server.load(ctx.query.id)
	const user = await get.Authorization(parsed?.token)
	
	return {
		props: {
			csrfToken: getToken(ctx.req, ctx.res),
			data,
			user: await get.user.load(user || '')
		},
	}
}

interface VoteServerProps {
	csrfToken: string
  vote: boolean
  data: Server
  user: User
	theme: Theme
}

interface Context extends CsrfContext {
  query: URLQuery
}

interface URLQuery extends ParsedUrlQuery {
	id: string
}

export default VoteServer