"use client";

import { useState } from "react";
import {
	Table,
	TableBody,
	TableCell,
	TableHead,
	TableHeader,
	TableRow,
} from "@/components/ui/table";
import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import { ScrollArea } from "@/components/ui/scroll-area";
import MemberDialog, { Member } from "./member-dialog";
import { useApi } from "@/hooks/use-api";
import request from "@/lib/request";
import {
	CircleX,
	Loader2,
	Trash2,
	UserRoundPen,
	UserRoundPlus,
} from "lucide-react";
import Link from "next/link";
import IUser from "@/interfaces/IUser";
import hasPermissions from "@/lib/hasPermissions";

export default function MembersTable({ user }: { user: IUser }) {
	const {
		data: members,
		error,
		mutate,
		success,
		isLoading,
	} = useApi<Member[]>("/users", undefined, true, false);
	const [selectMode, setSelectMode] = useState(false);
	const [selectedMembers, setSelectedMembers] = useState<string[]>([]);
	const [dialogOpen, setDialogOpen] = useState(false);
	const [currentMember, setCurrentMember] = useState<Member | null>(null);

	const toggleSelectMode = () => {
		setSelectMode(!selectMode);
		setSelectedMembers([]);
	};

	const toggleMemberSelection = (userId: string) => {
		setSelectedMembers((prev) =>
			prev.includes(userId)
				? prev.filter((id) => id !== userId)
				: [...prev, userId],
		);
	};

	const handleOpenDialog = (member: Member | null) => {
		setCurrentMember(member);
		setDialogOpen(true);
	};

	const handleSaveMember = async (savedMember: Member) => {
		if (savedMember.userId) {
			const res = await request<unknown>(
				`/users/${savedMember.userId}/update`,
				{
					body: savedMember,
					requiresAuth: true,
					method: "PATCH",
				},
			);
			if (res.status === "Success") mutate();
			// Update existing member
			// setMembers((prev) =>
			// 	prev.map((m) =>
			// 		m.user_id === savedMember.user_id ? savedMember : m,
			// 	),
			// );
		} else {
			delete savedMember.userId;
			const res = await request<unknown>("/users/new", {
				body: savedMember,
				method: "POST",
				requiresAuth: true,
			});
			if (res.status === "Success") mutate();
		}
	};

	const handleDelete = async (userId: string) => {
		const res = await request<unknown>(`/users/${userId}/delete`, {
			method: "DELETE",
			requiresAuth: true,
		});
		if (res.status === "Success") mutate();
	};

	return (
		<div className="space-y-4">
			<div className="flex justify-between">
				<Button onClick={toggleSelectMode}>
					{selectMode ? <CircleX /> : "Selectionner"}
				</Button>
				{hasPermissions(user.roles, { users: ["insert"] }) && (
					<Button onClick={() => handleOpenDialog(null)}>
						<UserRoundPlus />
					</Button>
				)}
			</div>
			<div className="relative">
				<ScrollArea className="h-full rounded-md border">
					<Table>
						<TableHeader className="sticky top-0 bg-background z-10 shadow-sm">
							<TableRow>
								{selectMode && (
									<TableHead className="w-[50px]">
										Sélectionner
									</TableHead>
								)}
								<TableHead>Prénom</TableHead>
								<TableHead>Nom</TableHead>
								<TableHead>Email</TableHead>
								<TableHead>Téléphone</TableHead>
								<TableHead>Rôle</TableHead>
								<TableHead className="text-right">
									Actions
								</TableHead>
							</TableRow>
						</TableHeader>
						<TableBody>
							{isLoading && <Loader2 className="animate-spin" />}
							{members &&
								members.map((member) => (
									<TableRow key={member.userId}>
										{selectMode && (
											<TableCell>
												<Checkbox
													checked={selectedMembers.includes(
														member.userId!,
													)}
													onCheckedChange={() =>
														toggleMemberSelection(
															member.userId!,
														)
													}
												/>
											</TableCell>
										)}
										<TableCell>
											<Link
												href={`/dashboard/members/${member.userId}`}
											>
												<span className="underline">
													{member.firstname}
												</span>
											</Link>
										</TableCell>
										<TableCell>
											<Link
												href={`/dashboard/members/${member.userId}`}
											>
												<span className="underline">
													{member.lastname}
												</span>
											</Link>
										</TableCell>
										<TableCell>{member.email}</TableCell>
										<TableCell>{member.phone}</TableCell>
										<TableCell>{member.role}</TableCell>
										<TableCell className="text-right">
											{hasPermissions(user.roles, {
												users: ["update"],
											}) && (
												<Button
													variant="outline"
													size="sm"
													className="mr-2"
													onClick={() =>
														handleOpenDialog(member)
													}
												>
													<UserRoundPen />
												</Button>
											)}
											{hasPermissions(user.roles, {
												users: ["delete"],
											}) && (
												<Button
													variant="destructive"
													size="sm"
													onClick={() =>
														handleDelete(
															member.userId!,
														)
													}
												>
													<Trash2 />
												</Button>
											)}
										</TableCell>
									</TableRow>
								))}
						</TableBody>
					</Table>
				</ScrollArea>
			</div>
			<MemberDialog
				isOpen={dialogOpen}
				onClose={() => setDialogOpen(false)}
				member={currentMember}
				onSave={handleSaveMember}
			/>
		</div>
	);
}