/* eslint-disable @next/next/no-img-element */
import Layout from "@/components/High/Layout";
import Input from "@/components/Low/Input";
import Tooltip from "@/components/Low/Tooltip";
import {useListSearch} from "@/hooks/useListSearch";
import usePagination from "@/hooks/usePagination";
import {User} from "@/interfaces/user";
import {sessionOptions} from "@/lib/session";
import {USER_TYPE_LABELS} from "@/resources/user";
import {shouldRedirectHome} from "@/utils/navigation.disabled";
import {getUserName} from "@/utils/users";
import {getLinkedUsers} from "@/utils/users.be";
import axios from "axios";
import clsx from "clsx";
import {withIronSessionSsr} from "iron-session/next";
import moment from "moment";
import Head from "next/head";
import Link from "next/link";
import {useRouter} from "next/router";
import {Divider} from "primereact/divider";
import {useState} from "react";
import {BsCheck, BsChevronLeft, BsClockFill, BsEnvelopeFill, BsStopwatchFill} from "react-icons/bs";
import {toast, ToastContainer} from "react-toastify";

export const getServerSideProps = withIronSessionSsr(async ({req}) => {
	const user = req.session.user as User;

	if (!user) {
		return {
			redirect: {
				destination: "/login",
				permanent: false,
			},
		};
	}

	if (shouldRedirectHome(user)) {
		return {
			redirect: {
				destination: "/",
				permanent: false,
			},
		};
	}

	const linkedUsers = await getLinkedUsers(user.id, user.type);

	return {
		props: {user, users: JSON.parse(JSON.stringify(linkedUsers.users.filter((x) => x.id !== user.id)))},
	};
}, sessionOptions);

interface Props {
	user: User;
	users: User[];
}

export default function Home({user, users}: Props) {
	const [isLoading, setIsLoading] = useState(false);
	const [selectedUsers, setSelectedUsers] = useState<string[]>([]);
	const [name, setName] = useState("");

	const {rows, renderSearch} = useListSearch<User>([["name"], ["corporateInformation", "companyInformation", "name"]], users);
	const {items, renderMinimal} = usePagination<User>(rows, 16);

	const router = useRouter();

	const createGroup = () => {
		if (!name.trim()) return;
		if (!confirm(`Are you sure you want to create this group with ${selectedUsers.length} participants?`)) return;

		setIsLoading(true);

		axios
			.post<{id: string}>(`/api/groups`, {name, participants: selectedUsers, admin: user.id})
			.then((result) => {
				toast.success("Your group has been created successfully!");
				router.replace(`/groups/${result.data.id}`);
			})
			.catch((e) => {
				console.error(e);
				toast.error("Something went wrong!");
			})
			.finally(() => setIsLoading(false));
	};

	const toggleUser = (u: User) => setSelectedUsers((prev) => (prev.includes(u.id) ? prev.filter((p) => p !== u.id) : [...prev, u.id]));

	return (
		<>
			<Head>
				<title>Create Group | EnCoach</title>
				<meta
					name="description"
					content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
				/>
				<meta name="viewport" content="width=device-width, initial-scale=1" />
				<link rel="icon" href="/favicon.ico" />
			</Head>
			<ToastContainer />
			{user && (
				<Layout user={user}>
					<section className="flex flex-col gap-0">
						<div className="flex gap-3 justify-between">
							<div className="flex items-center gap-2">
								<Link
									href="/groups"
									className="text-mti-purple hover:text-mti-purple-dark transition ease-in-out duration-300 text-xl">
									<BsChevronLeft />
								</Link>
								<h2 className="font-bold text-2xl">Create Group</h2>
							</div>
							<div className="flex items-center gap-4">
								<button
									onClick={createGroup}
									disabled={!name.trim() || isLoading}
									className="flex items-center gap-1 px-2 py-2 border rounded-full border-mti-green bg-mti-green-light text-white hover:bg-mti-green-dark disabled:hover:bg-mti-green-light disabled:opacity-50 disabled:cursor-not-allowed cursor-pointer transition ease-in-out duration-300">
									<BsCheck />
									<span className="text-xs">Create Group</span>
								</button>
							</div>
						</div>
						<Divider />
						<div className="flex flex-col gap-4">
							<span className="font-semibold text-xl">Group Name:</span>
							<Input name="name" onChange={setName} type="text" placeholder="Classroom A" />
						</div>
						<Divider />
						<div className="flex items-center justify-between mb-4">
							<span className="font-semibold text-xl">Participants ({selectedUsers.length} selected):</span>
						</div>
						<div className="w-full flex items-center gap-4">
							{renderSearch()}
							{renderMinimal()}
						</div>
					</section>

					<section className="w-full h-full grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
						{items.map((u) => (
							<button
								onClick={() => toggleUser(u)}
								disabled={isLoading}
								key={u.id}
								className={clsx(
									"p-4 pr-6 h-48 relative border rounded-xl flex flex-col gap-3 justify-between text-left cursor-pointer",
									"hover:border-mti-purple transition ease-in-out duration-300",
									selectedUsers.includes(u.id) && "border-mti-purple",
								)}>
								<div className="flex items-center gap-2">
									<div className="min-w-[3rem] min-h-[3rem] w-12 h-12 border flex items-center justify-center overflow-hidden rounded-full">
										<img src={u.profilePicture} alt={u.name} />
									</div>
									<div className="flex flex-col">
										<span className="font-semibold">{getUserName(u)}</span>
										<span className="opacity-80 text-sm">{USER_TYPE_LABELS[u.type]}</span>
									</div>
								</div>

								<div className="flex flex-col gap-1">
									<span className="flex items-center gap-2">
										<Tooltip tooltip="E-mail address">
											<BsEnvelopeFill />
										</Tooltip>
										{u.email}
									</span>
									<span className="flex items-center gap-2">
										<Tooltip tooltip="Expiration Date">
											<BsStopwatchFill />
										</Tooltip>
										{u.subscriptionExpirationDate ? moment(u.subscriptionExpirationDate).format("DD/MM/YYYY") : "Unlimited"}
									</span>
									<span className="flex items-center gap-2">
										<Tooltip tooltip="Last Login">
											<BsClockFill />
										</Tooltip>
										{u.lastLogin ? moment(u.lastLogin).format("DD/MM/YYYY - HH:mm") : "N/A"}
									</span>
								</div>
							</button>
						))}
					</section>
				</Layout>
			)}
		</>
	);
}
