import { commands } from "@/commands.gen";
import { toLumeEvents } from "@/commons";
import { Spinner, TextNote, User } from "@/components";
import { type LumeEvent, LumeWindow } from "@/system";
import { Kind } from "@/types";
import { MagnifyingGlass } from "@phosphor-icons/react";
import * as ScrollArea from "@radix-ui/react-scroll-area";
import { createLazyFileRoute } from "@tanstack/react-router";
import { message } from "@tauri-apps/plugin-dialog";
import { useCallback, useRef, useState, useTransition } from "react";
import { Virtualizer } from "virtua";

export const Route = createLazyFileRoute("/columns/_layout/search")({
	component: Screen,
});

function Screen() {
	const [query, setQuery] = useState("");
	const [events, setEvents] = useState<LumeEvent[]>([]);
	const [isPending, startTransition] = useTransition();

	const ref = useRef<HTMLDivElement>(null);

	const renderItem = useCallback(
		(event: LumeEvent) => {
			if (!event) return;

			switch (event.kind) {
				case Kind.Text:
					return <TextNote key={event.id} event={event} className="mb-3" />;
				case Kind.Metadata:
					return (
						<div
							key={event.id}
							className="p-3 mb-3 bg-white dark:bg-black/20 rounded-xl shadow-primary dark:ring-1 dark:ring-white/5"
						>
							<User.Provider pubkey={event.pubkey}>
								<User.Root className="flex flex-col w-full h-full gap-2">
									<div className="flex items-center justify-between">
										<div className="flex items-center gap-2">
											<User.Avatar className="rounded-full size-7" />
											<div className="inline-flex items-center gap-1">
												<User.Name className="text-sm leadning-tight max-w-[15rem] truncate font-semibold" />
												<User.NIP05 />
											</div>
										</div>
										<div className="flex items-center gap-3">
											<button
												type="button"
												onClick={() => LumeWindow.openProfile(event.pubkey)}
												className="text-blue-500 text-sm font-medium h-7 inline-flex items-center justify-center"
											>
												View profile
											</button>
											<User.Button className="inline-flex items-center justify-center w-20 text-sm font-medium rounded-md h-7 bg-black/10 hover:bg-black/20 dark:bg-white/10 dark:hover:bg-white/20" />
										</div>
									</div>
									<User.About className="select-text line-clamp-3 max-w-none text-neutral-800 dark:text-neutral-400" />
								</User.Root>
							</User.Provider>
						</div>
					);
				default:
					return <TextNote key={event.id} event={event} className="mb-3" />;
			}
		},
		[events],
	);

	const search = () => {
		startTransition(async () => {
			if (!query.length) return;

			const res = await commands.search(query, null);

			if (res.status === "ok") {
				const data = toLumeEvents(res.data);
				setEvents(data);
			} else {
				await message(res.error, { title: "Search", kind: "error" });
				return;
			}
		});
	};

	return (
		<div className="px-3 h-full">
			<div className="flex flex-col gap-3 size-full bg-white dark:bg-black rounded-t-xl shadow shadow-neutral-300/50 dark:shadow-none border-[.5px] border-neutral-300 dark:border-neutral-700">
				<div className="h-9 shrink-0 pt-6 px-3 flex items-center gap-2">
					<input
						name="search"
						placeholder="Search nostr ..."
						value={query}
						onChange={(e) => setQuery(e.target.value)}
						onKeyDown={(event) => {
							if (event.key === "Enter") search();
						}}
						className="h-9 px-5 flex-1 rounded-full border-none bg-black/5 dark:bg-white/10 placeholder:text-neutral-500 dark:placeholder:text-neutral-400 focus:bg-black/10 dark:focus:bg-white/10	 focus:outline-none focus:ring-0"
					/>
					<button
						type="button"
						disabled={!query.length || isPending}
						className="size-9 shrink-0 inline-flex items-center justify-center rounded-full bg-black/5 dark:bg-white/10"
					>
						{isPending ? (
							<Spinner className="size-4" />
						) : (
							<MagnifyingGlass className="size-4" />
						)}
					</button>
				</div>
				<ScrollArea.Root
					type={"scroll"}
					scrollHideDelay={300}
					className="overflow-hidden size-full flex-1"
				>
					<ScrollArea.Viewport ref={ref} className="relative h-full px-3">
						<Virtualizer scrollRef={ref}>
							{isPending ? (
								<div className="w-full h-[200px] flex gap-2 items-center justify-center">
									<Spinner />
									Searching...
								</div>
							) : !events.length ? (
								<div className="w-full h-[200px] flex gap-2 items-center justify-center">
									Type somethings to search.
								</div>
							) : (
								events.map((event) => renderItem(event))
							)}
						</Virtualizer>
					</ScrollArea.Viewport>
					<ScrollArea.Scrollbar
						className="flex select-none touch-none p-0.5 duration-[160ms] ease-out data-[orientation=vertical]:w-2"
						orientation="vertical"
					>
						<ScrollArea.Thumb className="flex-1 bg-black/10 dark:bg-white/10 rounded-full relative before:content-[''] before:absolute before:top-1/2 before:left-1/2 before:-translate-x-1/2 before:-translate-y-1/2 before:w-full before:h-full before:min-w-[44px] before:min-h-[44px]" />
					</ScrollArea.Scrollbar>
					<ScrollArea.Corner className="bg-transparent" />
				</ScrollArea.Root>
			</div>
		</div>
	);
}