456 lines
17 KiB
TypeScript
456 lines
17 KiB
TypeScript
"use client";
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import Image from "next/image";
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import Link from "next/link";
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import ReactMarkdown from "react-markdown";
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import remarkGfm from "remark-gfm";
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import { useEffect, useMemo, useRef, useState } from "react";
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import { Icon } from "@iconify/react";
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import { Prism as SyntaxHighlighter } from "react-syntax-highlighter";
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import { vscDarkPlus } from "react-syntax-highlighter/dist/esm/styles/prism";
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import {
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Avatar,
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AvatarFallback,
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AvatarImage,
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Badge,
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Button,
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Card,
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Textarea,
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Typography,
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} from "poyraz-ui/atoms";
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import { Sheet, SheetContent, SheetTitle, SheetTrigger } from "poyraz-ui/molecules";
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import type { BlogDetail } from "@/data/blog-detail";
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import type { BlogComment, BlogEngagement } from "@/data/blog-engagement";
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type BlogDetailContentProps = {
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post: BlogDetail;
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engagement: BlogEngagement;
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};
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function MermaidBlock({ chart }: { chart: string }) {
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const [svg, setSvg] = useState<string>("");
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const [error, setError] = useState<string>("");
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const idRef = useRef(`mermaid-${Math.random().toString(36).slice(2)}`);
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useEffect(() => {
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let mounted = true;
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const renderChart = async () => {
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try {
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const mermaid = (await import("mermaid")).default;
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mermaid.initialize({ startOnLoad: false, theme: "neutral", securityLevel: "loose" });
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const { svg: rendered } = await mermaid.render(idRef.current, chart);
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if (mounted) {
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setSvg(rendered);
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setError("");
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}
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} catch {
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if (mounted) {
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setError("Mermaid diagram could not be rendered.");
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}
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}
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};
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void renderChart();
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return () => {
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mounted = false;
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};
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}, [chart]);
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if (error) {
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return (
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<Card className="rounded-sm border-border p-3">
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<Typography variant="small" className="text-red-600">
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{error}
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</Typography>
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</Card>
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);
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}
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if (!svg) {
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return (
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<Card className="rounded-sm border-border p-3">
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<Typography variant="small" className="text-muted-foreground">
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Rendering diagram...
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</Typography>
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</Card>
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);
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}
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return (
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<Card className="overflow-x-auto rounded-sm border-border p-3">
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<div dangerouslySetInnerHTML={{ __html: svg }} />
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</Card>
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);
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}
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export function BlogDetailContent({ post, engagement }: BlogDetailContentProps) {
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const scrollerRef = useRef<HTMLDivElement | null>(null);
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const [progress, setProgress] = useState(0);
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const [liked, setLiked] = useState(false);
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const [likeCount, setLikeCount] = useState(engagement.likes);
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const [comments, setComments] = useState<BlogComment[]>(engagement.comments);
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const [commentSheetOpen, setCommentSheetOpen] = useState(false);
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const [githubAuthed, setGithubAuthed] = useState(false);
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const [draft, setDraft] = useState("");
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const [replyTo, setReplyTo] = useState<{ id: string; author: string } | null>(null);
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const progressWidth = useMemo(() => `${Math.min(100, Math.max(0, progress))}%`, [progress]);
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const handleScroll = () => {
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const el = scrollerRef.current;
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if (!el) return;
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const scrollable = el.scrollHeight - el.clientHeight;
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if (scrollable <= 0) {
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setProgress(100);
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return;
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}
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setProgress((el.scrollTop / scrollable) * 100);
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};
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const toggleLike = () => {
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setLiked((prev) => {
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const next = !prev;
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setLikeCount((count) => (next ? count + 1 : Math.max(0, count - 1)));
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return next;
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});
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};
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const handleReplyClick = (id: string, author: string) => {
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setReplyTo({ id, author });
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setCommentSheetOpen(true);
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};
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const handleSubmitComment = () => {
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if (!githubAuthed) return;
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const content = draft.trim();
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if (!content) return;
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if (replyTo) {
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setComments((prev) =>
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prev.map((item) =>
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item.id === replyTo.id
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? {
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...item,
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replies: [
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...item.replies,
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{
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id: `reply-${Date.now()}`,
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author: "You (GitHub)",
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avatar: "/logo/logo.jpeg",
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date: "Just now",
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content,
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likes: 0,
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},
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],
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}
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: item,
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),
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);
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setReplyTo(null);
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} else {
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setComments((prev) => [
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{
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id: `comment-${Date.now()}`,
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author: "You (GitHub)",
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avatar: "/logo/logo.jpeg",
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date: "Just now",
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content,
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likes: 0,
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replies: [],
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},
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...prev,
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]);
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}
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setDraft("");
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};
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return (
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<>
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<div className="fixed top-0 left-0 z-50 h-1 w-full bg-border/70">
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<div className="h-full bg-red-600 transition-[width] duration-100" style={{ width: progressWidth }} />
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</div>
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<div
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ref={scrollerRef}
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onScroll={handleScroll}
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className="relative h-full overflow-y-auto rounded-sm border border-border"
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>
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<article className="space-y-5 p-5 md:p-6">
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<Link
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href="/blog"
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className="inline-flex items-center rounded-sm border border-border px-3 py-1.5 text-sm text-muted-foreground transition-colors hover:text-foreground"
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>
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{"<- Back to blog"}
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</Link>
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<header className="space-y-3">
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<Badge className="rounded-sm">{post.category}</Badge>
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<Typography variant="h2" className="leading-tight">
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{post.title}
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</Typography>
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<Typography variant="small" className="text-muted-foreground">
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{post.author} - {post.date} - {post.readTime}
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</Typography>
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<Typography variant="p" className="text-muted-foreground">
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{post.excerpt}
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</Typography>
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</header>
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<Card className="relative aspect-[16/8] overflow-hidden rounded-sm border-border">
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<Image
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src={post.coverImage}
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alt={post.title}
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fill
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sizes="(max-width: 768px) 100vw, 50vw"
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className="object-cover"
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/>
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</Card>
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<div className="flex items-center justify-end gap-2">
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<Button
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type="button"
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variant={liked ? "default" : "outline"}
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className="h-9 w-9 rounded-sm p-0"
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onClick={toggleLike}
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aria-label={`Like post (${likeCount})`}
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title={`Like (${likeCount})`}
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>
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<Icon icon={liked ? "mdi:heart" : "mdi:heart-outline"} width={18} height={18} />
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</Button>
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<Sheet open={commentSheetOpen} onOpenChange={setCommentSheetOpen}>
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<SheetTrigger asChild>
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<Button
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type="button"
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variant="outline"
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className="h-9 w-9 rounded-sm p-0"
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aria-label={`Open comments (${comments.length})`}
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title={`Comments (${comments.length})`}
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>
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<Icon icon="mdi:comment-outline" width={18} height={18} />
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</Button>
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</SheetTrigger>
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<SheetContent side="right" className="flex h-dvh w-full max-w-xl flex-col p-0">
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<div className="border-b border-border px-4 py-3">
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<SheetTitle>Comments</SheetTitle>
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</div>
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<div className="flex min-h-0 flex-1 flex-col gap-3 p-4">
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<div className="min-h-0 flex-1 space-y-3 overflow-y-auto pr-1">
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{comments.map((item) => (
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<Card key={item.id} className="overflow-visible rounded-sm border-border p-3">
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<div className="flex items-start gap-2">
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<Avatar className="h-8 w-8 rounded-sm">
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<AvatarImage src={item.avatar} alt={item.author} />
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<AvatarFallback className="rounded-sm bg-muted text-xs">
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{item.author.slice(0, 2).toUpperCase()}
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</AvatarFallback>
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</Avatar>
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<div className="min-w-0 flex-1">
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<div className="flex flex-wrap items-center gap-2">
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<Typography variant="small" className="font-semibold text-foreground">
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{item.author}
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</Typography>
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<Typography variant="small" className="text-muted-foreground">
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{item.date}
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</Typography>
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</div>
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<Typography variant="small" className="mt-1 text-muted-foreground">
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{item.content}
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</Typography>
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<div className="mt-2 flex items-center gap-2">
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<Button type="button" variant="outline" size="sm" className="rounded-sm">
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Like ({item.likes})
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</Button>
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<Button
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type="button"
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variant="outline"
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size="sm"
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className="rounded-sm"
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onClick={() => handleReplyClick(item.id, item.author)}
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>
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Reply
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</Button>
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</div>
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{item.replies.length > 0 ? (
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<div className="mt-3 grid gap-2 border-l border-border pl-3">
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{item.replies.map((reply) => (
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<Card key={reply.id} className="rounded-sm border-border p-2.5">
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<div className="flex items-start gap-2">
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<Avatar className="h-7 w-7 rounded-sm">
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<AvatarImage src={reply.avatar} alt={reply.author} />
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<AvatarFallback className="rounded-sm bg-muted text-[10px]">
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{reply.author.slice(0, 2).toUpperCase()}
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</AvatarFallback>
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</Avatar>
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<div className="min-w-0">
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<div className="flex flex-wrap items-center gap-2">
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<Typography
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variant="small"
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className="font-semibold text-foreground"
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>
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{reply.author}
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</Typography>
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<Typography variant="small" className="text-muted-foreground">
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{reply.date}
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</Typography>
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</div>
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<Typography variant="small" className="mt-1 text-muted-foreground">
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{reply.content}
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</Typography>
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</div>
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</div>
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</Card>
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))}
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</div>
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) : null}
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</div>
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</div>
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</Card>
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))}
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</div>
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{!githubAuthed ? (
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<Card className="rounded-sm border-border p-3">
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<Typography variant="small" className="text-muted-foreground">
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You need to sign in with GitHub before posting comments.
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</Typography>
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<Button
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type="button"
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className="mt-2 rounded-sm"
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onClick={() => setGithubAuthed(true)}
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>
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Continue with GitHub
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</Button>
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</Card>
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) : null}
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{replyTo ? (
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<Card className="rounded-sm border-border p-2">
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<div className="flex flex-wrap items-center justify-between gap-2">
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<Typography variant="small" className="text-muted-foreground">
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Replying to {replyTo.author}
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</Typography>
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<Button
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type="button"
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size="sm"
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variant="outline"
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className="rounded-sm"
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onClick={() => setReplyTo(null)}
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>
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Cancel
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</Button>
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</div>
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</Card>
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) : null}
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<Card className="rounded-sm border-border p-3">
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<Textarea
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value={draft}
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onChange={(event) => setDraft(event.target.value)}
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placeholder={githubAuthed ? "Write your comment..." : "Sign in with GitHub first"}
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className="min-h-24 rounded-sm"
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disabled={!githubAuthed}
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/>
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<div className="mt-2 flex justify-end">
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<Button
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type="button"
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className="rounded-sm"
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onClick={handleSubmitComment}
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disabled={!githubAuthed || !draft.trim()}
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>
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Post Comment
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</Button>
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</div>
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</Card>
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</div>
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</SheetContent>
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</Sheet>
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</div>
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<section className="space-y-4">
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<ReactMarkdown
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remarkPlugins={[remarkGfm]}
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components={{
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h2: ({ children }) => (
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<Typography variant="h3" className="mt-6">
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{children}
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</Typography>
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),
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h3: ({ children }) => (
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<Typography variant="large" className="mt-4 text-foreground">
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{children}
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</Typography>
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),
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p: ({ children }) => (
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<Typography variant="p" className="text-sm leading-relaxed">
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{children}
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</Typography>
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),
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li: ({ children }) => (
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<li className="ml-5 list-disc text-sm leading-relaxed text-foreground">{children}</li>
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),
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blockquote: ({ children }) => (
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<blockquote className="border-l-2 border-red-600 pl-3 text-sm text-muted-foreground">
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{children}
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</blockquote>
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),
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table: ({ children }) => (
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<div className="my-3 overflow-x-auto rounded-sm border border-border">
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<table className="min-w-full border-collapse text-sm">{children}</table>
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</div>
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),
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thead: ({ children }) => <thead className="bg-muted/40">{children}</thead>,
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tr: ({ children }) => <tr className="border-b border-border">{children}</tr>,
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th: ({ children }) => (
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<th className="px-3 py-2 text-left font-semibold text-foreground">{children}</th>
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),
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td: ({ children }) => <td className="px-3 py-2 align-top text-foreground">{children}</td>,
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code: ({ className, children }) => {
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const match = /language-(\w+)/.exec(className ?? "");
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const codeText = String(children).replace(/\n$/, "");
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const language = match?.[1] ?? "";
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if (!match) {
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return (
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<code className="rounded-sm bg-muted px-1.5 py-0.5 text-[13px]">
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{children}
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</code>
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);
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}
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if (language === "mermaid") {
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return <MermaidBlock chart={codeText} />;
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}
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return (
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<SyntaxHighlighter
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language={language}
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style={vscDarkPlus}
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customStyle={{
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borderRadius: "0.25rem",
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marginTop: "0.5rem",
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marginBottom: "0.5rem",
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}}
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showLineNumbers
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>
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{codeText}
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</SyntaxHighlighter>
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);
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},
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}}
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>
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{post.markdown}
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</ReactMarkdown>
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</section>
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</article>
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</div>
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</>
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);
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}
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