import { DateTime } from "luxon";
import { useParams } from "@solidjs/router";
import { createResource } from "solid-js";
import { Suspense } from "solid-js";
import { For } from "solid-js";
import { useCachedFetch } from "~/lib/dbCache";
import { dbMain } from "~/drizzle";
import { bilibiliMetadata, videoSnapshot } from "~db/main/schema";
import { desc, eq } from "drizzle-orm";
import { BilibiliMetadataType, VideoSnapshotType } from "~db/outerSchema";
import { Context, useRequestContext } from "~/components/requestContext";
import { Header } from "~/components/shell/Header";

async function getAllSnapshots(aid: number, context: Context) {
	"use server";
	return useCachedFetch(
		async () => {
			return dbMain
				.select()
				.from(videoSnapshot)
				.where(eq(videoSnapshot.aid, aid))
				.orderBy(desc(videoSnapshot.createdAt));
		},
		"all-snapshots",
		context,
		[aid]
	);
}

async function getVideoMetadata(avORbv: number | string, context: Context) {
	"use server";
	if (typeof avORbv === "number") {
		return useCachedFetch(
			async () => {
				return dbMain.select().from(bilibiliMetadata).where(eq(bilibiliMetadata.aid, avORbv)).limit(1);
			},
			"bili-metadata",
			context,
			[avORbv]
		);
	} else {
		return useCachedFetch(
			async () => {
				return dbMain.select().from(bilibiliMetadata).where(eq(bilibiliMetadata.bvid, avORbv)).limit(1);
			},
			"bili-metadata",
			context,
			[avORbv]
		);
	}
}

const MetadataRow = ({ title, desc }: { title: string; desc: string | number | undefined | null }) => {
	if (!desc) return <></>;
	return (
		<tr>
			<td class="max-w-14 min-w-14 md:max-w-24 md:min-w-24 border dark:border-zinc-500 px-2 md:px-3 py-2 font-semibold">
				{title}
			</td>
			<td class="break-all max-w-[calc(100vw-4.5rem)] border dark:border-zinc-500 px-4 py-2">{desc}</td>
		</tr>
	);
};

export default function VideoInfoPage() {
	const params = useParams();
	const { id } = params;
	const context = useRequestContext();
	const [data] = createResource(async () => {
		let videoInfo: BilibiliMetadataType | null = null;
		let snapshots: VideoSnapshotType[] = [];

		try {
			const videoData = await getVideoMetadata(id, context);
			if (videoData.length === 0) {
				return null;
			}
			const snapshotsData = await getAllSnapshots(videoData[0].aid, context);
			videoInfo = videoData[0];
			if (snapshotsData) {
				snapshots = snapshotsData;
			}
		} catch (e) {
			console.error(e);
		}

		if (!videoInfo) {
			return null;
		}

		const title = `${videoInfo.title} - 歌曲信息 - 中 V 档案馆`;

		return {
			v: videoInfo,
			s: snapshots,
			t: title
		};
	});

	
	return (
		<>
			<Header />
			<main class="flex flex-col items-center min-h-screen gap-8 mt-10 md:mt-6 relative z-0 overflow-x-auto pb-8">
				<div class="w-full lg:max-w-4xl lg:mx-auto lg:p-6">
					<Suspense fallback={<div>loading</div>}>
						<title>{data()?.t}</title>
						<span>{data()?.t}</span>
						<h1 class="text-2xl font-medium ml-2 mb-4">
							视频信息:{" "}
							<a href={`https://www.bilibili.com/video/av${data()?.v.aid}`} class="underline">
								av{data()?.v.aid}
							</a>
						</h1>

						<div class="mb-6">
							<h2 class="px-2 mb-2 text-xl font-medium">基本信息</h2>
							<div class="overflow-x-auto max-w-full px-2">
								<table class="table-fixed">
									<tbody>
										<MetadataRow title="ID" desc={data()?.v.id} />
										<MetadataRow title="av 号" desc={data()?.v.aid} />
										<MetadataRow title="BV 号" desc={data()?.v.bvid} />
										<MetadataRow title="标题" desc={data()?.v.title} />
										<MetadataRow title="描述" desc={data()?.v.description} />
										<MetadataRow title="UID" desc={data()?.v.uid} />
										<MetadataRow title="标签" desc={data()?.v.tags} />
										<MetadataRow
											title="发布时间"
											desc={
												data()?.v.publishedAt
													? DateTime.fromJSDate(
															new Date(data()?.v.publishedAt || "")
														).toFormat("yyyy-MM-dd HH:mm:ss")
													: null
											}
										/>
										<MetadataRow title="时长 (秒)" desc={data()?.v.duration} />
										<MetadataRow
											title="创建时间"
											desc={DateTime.fromJSDate(new Date(data()?.v.createdAt || "")).toFormat(
												"yyyy-MM-dd HH:mm:ss"
											)}
										/>
										<MetadataRow title="封面" desc={data()?.v?.coverUrl} />
									</tbody>
								</table>
							</div>
						</div>

						<div>
							<h2 class="px-2 mb-2 text-xl font-medium">播放量历史数据</h2>

							<div class="overflow-x-auto px-2">
								<table class="table-auto w-full">
									<thead>
										<tr>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">创建时间</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">观看</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">硬币</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">点赞</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">收藏</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">分享</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">弹幕</th>
											<th class="border dark:border-zinc-500 px-4 py-2 font-medium">评论</th>
										</tr>
									</thead>
									<tbody>
										<For each={data()?.s}>
											{(snapshot) => (
												<tr>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{DateTime.fromJSDate(new Date(snapshot.createdAt)).toFormat(
															"yyyy-MM-dd HH:mm:ss"
														)}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.views}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.coins}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.likes}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.favorites}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.shares}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.danmakus}
													</td>
													<td class="border dark:border-zinc-500 px-4 py-2">
														{snapshot.replies}
													</td>
												</tr>
											)}
										</For>
									</tbody>
								</table>
							</div>
						</div>
					</Suspense>
				</div>
			</main>
		</>
	);
}