"use client";

import { useState } from "react";
import {
	Table,
	TableBody,
	TableCell,
	TableHead,
	TableHeader,
	TableRow,
} from "@/components/ui/table";
import { Button } from "@/components/ui/button";
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 { Loader2, MoreHorizontal, UserRoundPlus } from "lucide-react";
import IUser from "@/interfaces/IUser";
import hasPermissions from "@/lib/hasPermissions";
import {
	DropdownMenu,
	DropdownMenuContent,
	DropdownMenuItem,
	DropdownMenuTrigger,
} from "./ui/dropdown-menu";

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

	const { users } = hasPermissions(user.roles, {
		users: ["delete", "update", "insert"],
	} as const);

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

	const handleSaveMember = async (savedMember: Member) => {
		if (savedMember.userId) {
			const dif = DiffUtils.getDifferences(currentMember!, savedMember);
			if (DiffUtils.isEmpty(dif)) return;
			const res = await request<unknown>(
				`/users/${savedMember.userId}/update`,
				{
					body: dif,
					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">
				{users.insert && (
					<Button onClick={() => handleOpenDialog(null)}>
						<UserRoundPlus />
					</Button>
				)}
			</div>
			<div className="relative">
				{isLoading && <Loader2 className="animate-spin" />}
				<ScrollArea className="h-full rounded-md border">
					<Table>
						<TableHeader className="sticky top-0 bg-background z-10 shadow-sm">
							<TableRow>
								<TableHead>Prénom</TableHead>
								<TableHead>Nom</TableHead>
								<TableHead>Email</TableHead>
								<TableHead>Téléphone</TableHead>
								<TableHead>Rôles</TableHead>
								<TableHead className="text-right">
									Actions
								</TableHead>
							</TableRow>
						</TableHeader>
						<TableBody>
							{members &&
								members.map((_member) => (
									<TableRow key={_member.userId}>
										<TableCell>
											{_member.firstname}
										</TableCell>
										<TableCell>
											{_member.lastname}
										</TableCell>
										<TableCell>{_member.email}</TableCell>
										<TableCell>{_member.phone}</TableCell>
										<TableCell>
											{_member.roles
												?.map((r) => r.name)
												.join(", ")}
										</TableCell>
										<TableCell className="text-right">
											<DropdownMenu>
												<DropdownMenuTrigger asChild>
													<Button
														variant="ghost"
														className="h-8 w-8 p-0"
													>
														<span className="sr-only">
															Ouvrir le menu
														</span>
														<MoreHorizontal className="h-4 w-4" />
													</Button>
												</DropdownMenuTrigger>
												<DropdownMenuContent align="end">
													{users.update && (
														<DropdownMenuItem
															onClick={() =>
																handleOpenDialog(
																	_member,
																)
															}
														>
															Mettre à jour
														</DropdownMenuItem>
													)}
													{users.delete && (
														<DropdownMenuItem
															onClick={() =>
																handleDelete(
																	_member.userId!,
																)
															}
														>
															Supprimer
														</DropdownMenuItem>
													)}
												</DropdownMenuContent>
											</DropdownMenu>
										</TableCell>
									</TableRow>
								))}
						</TableBody>
					</Table>
				</ScrollArea>
			</div>
			<MemberDialog
				isOpen={dialogOpen}
				onClose={() => setDialogOpen(false)}
				member={currentMember}
				onSave={handleSaveMember}
			/>
		</div>
	);
}