import { ReactNode, Children, useState, useEffect, useContext } from 'react';
import Icon from '@mdi/react';
import axios from 'axios';

import { NavBar } from '../components/navbar';
import { CenteredPage, PageTitle } from '../components/page';
import { Vierkant, IconLabelButton } from '../components/ui';
import { AccountAvatar } from '../components/account';
import { userInfo, userGames } from '../api/api';
import RecentGames from '../components/recentGames';
import { ToastContext } from '../components/toast';
import { SocketContext } from '../components/socketContext';

import PersonAddOutlinedIcon from '@material-ui/icons/PersonAddOutlined';
import AssignmentIndOutlinedIcon from '@material-ui/icons/AssignmentIndOutlined';
import ArrowDownwardOutlinedIcon from '@material-ui/icons/ArrowDownwardOutlined';
import ArrowUpwardOutlinedIcon from '@material-ui/icons/ArrowUpwardOutlined';
import PeopleOutlineOutlinedIcon from '@material-ui/icons/PeopleOutlineOutlined';
import EditOutlinedIcon from '@material-ui/icons/EditOutlined';
import SettingsOutlinedIcon from '@material-ui/icons/SettingsOutlined';
import DoneOutlinedIcon from '@material-ui/icons/DoneOutlined';
import {
	mdiAccountCancelOutline,
	mdiEqual,
	mdiCheckboxBlankCircle,
	mdiClipboardTextOutline,
	mdiGamepadSquareOutline,
	mdiEarth,
	mdiAccountMinusOutline,
	mdiAccountRemoveOutline } from '@mdi/js';

function InfoModule(props: {
	label: string;
	icon: ReactNode;
}) {
	return <div style={{
		position: "relative",
		height: "100%"
	}}>
		<div style={{
			position: "absolute",
			left: "50%",
			transform: "translateX(-50%)"
		}}>{props.icon}</div>
		<div style={{
			position: "absolute",
			top: 24 + 6,
			left: 0, right: 0, bottom: 0,
		}}>
			<span style={{
				position: "absolute",
				top: "50%",
				transform: "translateY(-50%)",
				width: "100%",
				textAlign: "center"
			}}>{props.label}</span>
		</div>
	</div>
}

function InfoSection(props: { children: ReactNode }) {
	return <Vierkant fullwidth>
		<div style={{
			display: "grid",
			gridTemplateColumns: `repeat(${Children.count(props.children)}, 1fr)`,
			gridGap: 12,
			height: 64
		}}>
			{props.children}
		</div>
	</Vierkant>
}

export default function AccountPage() {
	var server = typeof window === "undefined";
	var loggedIn = !server && document.cookie.includes("token");
	var pageID = server ? "" : new URLSearchParams(window.location.search).get("id");

	if (!loggedIn && !pageID) !server && window.history.go(-1);
	var reqData = loggedIn && pageID ? { "id": pageID } : undefined;

	var [user, setUser] = useState<userInfo>();
	var [gameInfo, setGameInfo] = useState<userGames>();
	var [editingStatus, setEditingStatus] = useState(false);
	var [relation, setRelation] = useState<userInfo["relation"]>("none");
	var [ownPage, setOwnPage] = useState(loggedIn && !pageID);

	var { toast } = useContext(ToastContext);
	var { io } = useContext(SocketContext);

	async function getUserData(): Promise<userInfo> {
		var userReq = await axios.request<userInfo>({
			method: "post",
			url: `/api/user/info`,
			headers: {"content-type": "application/json"},
			data: reqData
		});
		setUser(userReq.data);
		return userReq.data
	}

	async function getRelationTo(user: userInfo) {
		var user = await getUserData();
		setRelation(user.relation || "none");
	}

	function setIOListeners(user: userInfo) {
		io.on("changedRelation", (data: { id: string }) => {
			if (data.id != user.id) return;
			getRelationTo(user);
		});
		io.on("incomingFriendRequest", getRelationTo);
	}

	useEffect(() => {(async() => {
		var user = await getUserData();

		getRelationTo(user);
		setIOListeners(user);
	})()}, []);

	useEffect(() => {(async() => {
		var userReq = await axios.request<userInfo>({
			method: "post",
			url: `/api/user/info`,
			headers: {"content-type": "application/json"}
		});
		setOwnPage(ownPage || userReq.data.id == pageID);
	})()}, []);

	// Get recent games
	useEffect(() => {(async() => {
		var userGamesReq = await axios.request<userGames>({
			method: "post",
			url: `/api/user/games`,
			headers: {"content-type": "application/json"},
			data: reqData
		});
		setGameInfo(userGamesReq.data);
	})()}, []);

	return <div>
		<NavBar/>
		<CenteredPage width={802}>
			<PageTitle>Profiel</PageTitle>
			<Vierkant fullwidth>
				<AccountAvatar size={128} id={user?.id || ""}/>
				<div style={{
					display: "inline-block",
					verticalAlign: "top",
					marginLeft: 12,
					width: "calc(100% - 128px - 12px)"
				}}>
					<h2 style={{ fontSize: 32 }}>{user?.username}</h2>
					<p id="status" contentEditable={editingStatus ? "true" : "false"} style={{
						marginTop: 6,
						transitionDuration: ".3s"
					}} suppressContentEditableWarning={true}>{user?.status}</p>
				</div>
				<div style={{
					position: "absolute",
					backgroundColor: "var(--background)",
					height: "40px",
					bottom: 24, left: 24 + 12 + 128, right: 24
				}}>
					{ loggedIn && <div> {
						ownPage ?
						<div>
							<IconLabelButton icon={<SettingsOutlinedIcon/>} href="/settings" text="Instellingen"/>
							{
								!editingStatus ?
								<IconLabelButton
								icon={<EditOutlinedIcon/>}
								text="Status bewerken"
								onclick={() => setEditingStatus(true)}/> :
								<IconLabelButton
								icon={<DoneOutlinedIcon/>}
								text="Status opslaan"
								onclick={() => {
									setEditingStatus(false)
									axios.request({
										method: "post",
										url: `/api/user/status`,
										headers: {"content-type": "application/json"},
										data: { "status": document.getElementById("status").innerText }
									});
								}}/>
							}
						</div> :
						<div>
							{(() => {
								var icon = {
									"blocked": <Icon size={1} path={mdiAccountCancelOutline}/>
								}[relation] || <Icon size={1} path={mdiAccountCancelOutline}/>

								var text = {
									"blocked": "Deblokkeren"
								}[relation] || "Blokkeren"

								return <IconLabelButton icon={icon} text={text} onclick={() => {
									var nextRelation = {
										"blocked": {
											"endpoint": "/api/social/unblock",
											"action": `${user.username} gedeblokkeerd`,
											"relation": "none",
											"icon": <Icon size="32px" path={mdiAccountCancelOutline}/>,
										}
									}[relation] || {
										"endpoint": "/api/social/block",
										"action": `${user.username} geblokkeerd`,
										"relation": "blocked",
										"icon": <Icon size="32px" path={mdiAccountCancelOutline}/>,
									}

									axios.request({
										method: "post",
										url: nextRelation.endpoint,
										headers: {"content-type": "application/json"},
										data: { "id": user?.id }
									})
									.then(() => {
										toast(nextRelation.action,
											  "confirmation",
											  nextRelation.icon);
										setRelation(nextRelation.relation);
									});
								}}/>
							})()}
							{(() => {
								var icon = {
									"friends": <Icon size={1} path={mdiAccountMinusOutline}/>,
									"outgoing": <Icon size={1} path={mdiAccountRemoveOutline}/>,
									"incoming": <PersonAddOutlinedIcon/>
								}[relation] || <PersonAddOutlinedIcon/>

								var text = {
									"friends": "Vriend verwijderen",
									"outgoing": "Vriendschapsverzoek annuleren",
									"incoming": "Vriendschapsverzoek accepteren"
								}[relation] || "Vriendschapsverzoek sturen"

								return <IconLabelButton icon={icon} text={text} onclick={() => {
									var nextRelation = {
										"friends": {
											"endpoint": "/api/social/remove",
											"action": `${user.username} succesvol verwijderd als vriend`,
											"relation": "none",
											"icon": <Icon size="32px" path={mdiAccountMinusOutline}/>,
										},
										"outgoing": {
											"endpoint": "/api/social/remove",
											"action": `Vriendschapsverzoek naar ${user.username} geannuleerd`,
											"relation": "none",
											"icon": <Icon size="32px" path={mdiAccountMinusOutline}/>,
										},
										"incoming": {
											"endpoint": "/api/social/accept",
											"action": `Vriendschapsverzoek van ${user.username} geaccepteerd`,
											"relation": "friends",
											"icon": <PersonAddOutlinedIcon style={{ fontSize: 32 }}/>,
										},
									}[relation] || {
										"endpoint": "/api/social/request",
										"action": `Vriendschapsverzoek gestuurd naar ${user.username}`,
										"relation": "outgoing",
										"icon": <PersonAddOutlinedIcon style={{ fontSize: 32 }}/>,
									}

									axios.request({
										method: "post",
										url: nextRelation.endpoint,
										headers: {"content-type": "application/json"},
										data: { "id": user?.id }
									})
									.then(() => {
										toast(nextRelation.action,
											  "confirmation",
											  nextRelation.icon);
										setRelation(nextRelation.relation);
									});
								}}/>
							})()}
						</div>
					}</div>}
				</div>
			</Vierkant>
			<InfoSection>
				<InfoModule icon={<Icon size={1} path={mdiCheckboxBlankCircle} color="var(--disk-b-text)"/>} label="Online"/>
				<InfoModule icon={<AssignmentIndOutlinedIcon/>} label={ (() => {
					var memberSince	= "Lid sinds";

					var registered = new Date(user?.registered);
					memberSince += " " + registered.toLocaleString("nl-nl", { month: "long", day: "numeric" });

					var currentYear	= new Date().getFullYear();
					var memberYear	= registered.getFullYear();
					if (currentYear != memberYear) memberSince += " " + memberYear;

					return memberSince;
				})() }/>
				<InfoModule icon={<PeopleOutlineOutlinedIcon/>} label={(() => {
					var label = user?.friends.toString() + " ";
					label += user?.friends == 1 ? "vriend" : "vrienden";
					return label;
				})()}/>
				<InfoModule icon={<Icon size={1} path={mdiEarth}/>} label="Nederland"/>
			</InfoSection>
			<InfoSection>
				<InfoModule icon={<ArrowUpwardOutlinedIcon style={{ color: "var(--disk-b-text)" }}/>} label={ gameInfo?.totals.win + " keer gewonnen" }/>
				<InfoModule icon={<Icon size={1} path={mdiEqual}/>} label={ gameInfo?.totals.draw + " keer gelijkspel" }/>
				<InfoModule icon={<ArrowDownwardOutlinedIcon style={{ color: "var(--disk-a-text)" }}/>} label={ gameInfo?.totals.lose + " keer verloren" }/>
					<InfoModule icon={<Icon size={1} path={mdiClipboardTextOutline}/>} label={ "Score: " + user?.rating }/>
				<InfoModule icon={<Icon size={1} path={mdiGamepadSquareOutline}/>} label={(() => {
					var label = gameInfo?.totals.games.toString() + " ";
					label += gameInfo?.totals.games == 1 ? "potje" : "potjes";
					return label;
				})()}/>
			</InfoSection>
			<Vierkant>
				<RecentGames games={gameInfo?.games}/>
			</Vierkant>
		</CenteredPage>
	</div>
}