import { useQueryClient } from "@tanstack/react-query";
import { motion, stagger } from "motion/react";
import type { FC } from "react";
import {
	getGetLibraryQueryKey,
	useDeleteCustomGame,
	useGetLibrary,
} from "@/api/gen/library/library";
import type { GameEntry } from "@/api/gen/model/gameEntry";
import { QueryState } from "@/components/query-state";
import { Card, CardContent } from "@/components/ui/card";
import type { Loadable } from "@/lib/query";
import { m } from "@/paraglide/messages";
import { GameCard } from "./GameCard";
import { customId } from "./helpers";

/**
 * Container: the library OVERVIEW — owns the listing query and per-card delete.
 * Editing is escalated to the parent (it opens the separate add/edit form), so
 * this subsection knows nothing about the form beyond firing `onEdit`.
 */
export const LibraryGridSection: FC<{ onEdit: (entry: GameEntry) => void }> = ({
	onEdit,
}) => {
	const qc = useQueryClient();
	const library = useGetLibrary();
	const remove = useDeleteCustomGame();

	const onDelete = async (entry: GameEntry) => {
		if (!confirm(m.library_delete_confirm())) return;
		await remove
			.mutateAsync({ id: customId(entry) })
			.then(() => qc.invalidateQueries({ queryKey: getGetLibraryQueryKey() }));
	};

	return (
		<LibraryGrid
			library={library}
			onEdit={onEdit}
			onDelete={onDelete}
			isDeleting={remove.isPending}
		/>
	);
};

/** The poster grid (with empty + loading/error states). */
export const LibraryGrid: FC<{
	library: Loadable<GameEntry[]>;
	onEdit: (entry: GameEntry) => void;
	onDelete: (entry: GameEntry) => void;
	isDeleting: boolean;
}> = ({ library, onEdit, onDelete, isDeleting }) => {
	const games = library.data ?? [];
	return (
		<QueryState
			isLoading={library.isLoading}
			error={library.error}
			refetch={library.refetch}
		>
			{games.length === 0 ? (
				<Card>
					<CardContent className="p-8 text-center text-sm text-muted-foreground">
						{m.library_empty()}
					</CardContent>
				</Card>
			) : (
				<div className="@container">
					<motion.div
						transition={{ delayChildren: stagger(0.1) }}
						variants={{ enter: {}, from: {} }}
						className="grid grid-cols-1 gap-card @sm:grid-cols-2 @md:grid-cols-2 @lg:grid-cols-3 @2xl:grid-cols-4 @4xl:grid-cols-5"
					>
						{games.map((game) => (
							<GameCard
								key={game.id}
								game={game}
								onEdit={() => onEdit(game)}
								onDelete={() => onDelete(game)}
								deleting={isDeleting}
							/>
						))}
					</motion.div>
				</div>
			)}
		</QueryState>
	);
};