Files
dumpsterChat/web/src/components/DMChat.tsx
T

122 lines
4.5 KiB
TypeScript

import { useEffect, useRef, useState } from "react";
import { useParams } from "react-router-dom";
import { useConversationStore, type ConversationMessage } from "../stores/conversation.ts";
import { useAuthStore } from "../stores/auth.ts";
import ReactMarkdown from "react-markdown";
import remarkGfm from "remark-gfm";
function formatTime(iso: string): string {
const date = new Date(iso);
const hours = date.getHours().toString().padStart(2, "0");
const minutes = date.getMinutes().toString().padStart(2, "0");
return `${hours}:${minutes}`;
}
function renderDMContent(content: string) {
return (
<ReactMarkdown
remarkPlugins={[remarkGfm]}
components={{
a: ({ ...props }) => <a {...props} className="text-gb-aqua hover:underline" target="_blank" rel="noreferrer" />,
code: ({ ...props }) => <code {...props} className="bg-gb-bg-t px-1 rounded text-gb-fg-s" />,
pre: ({ ...props }) => <pre {...props} className="bg-gb-bg-s p-2 my-1 overflow-x-auto text-gb-fg-s" />,
blockquote: ({ ...props }) => <blockquote {...props} className="border-l-2 border-gb-orange pl-2 my-1 text-gb-fg-s" />,
p: ({ ...props }) => <span {...props} className="inline" />,
}}
>
{content}
</ReactMarkdown>
);
}
export function DMChat() {
const { conversationId } = useParams<{ conversationId: string }>();
const activeId = useConversationStore((s) => s.activeConversationId);
const setActive = useConversationStore((s) => s.setActiveConversation);
const conversations = useConversationStore((s) => s.conversations);
const messagesByConv = useConversationStore((s) => s.messagesByConversation);
const fetchMessages = useConversationStore((s) => s.fetchMessages);
const sendMessage = useConversationStore((s) => s.sendMessage);
const fetchConversations = useConversationStore((s) => s.fetchConversations);
const currentUser = useAuthStore((s) => s.user);
const [input, setInput] = useState("");
const [error, setError] = useState<string | null>(null);
const bottomRef = useRef<HTMLDivElement>(null);
const id = conversationId || activeId;
const conversation = conversations.find((c) => c.id === id);
const messages = id ? messagesByConv[id] || [] : [];
useEffect(() => {
fetchConversations();
}, [fetchConversations]);
useEffect(() => {
if (id) {
setActive(id);
fetchMessages(id);
setError(null);
}
}, [id, setActive, fetchMessages]);
useEffect(() => {
bottomRef.current?.scrollIntoView({ behavior: "auto" });
}, [messages]);
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
if (!id || !input.trim()) return;
setError(null);
try {
await sendMessage(id, input.trim());
setInput("");
} catch (err) {
setError(err instanceof Error ? err.message : "Failed to send");
}
};
const title = conversation
? conversation.type === "group_dm"
? conversation.name || conversation.members.map((m) => m.username).join(", ")
: conversation.members.find((m) => m.id !== currentUser?.id)?.username || "DM"
: id
? "[LOADING...]"
: "[NO CONVERSATION]";
return (
<div className="flex flex-col h-full bg-gb-bg">
<div className="terminal-border border-t-0 border-x-0 px-3 py-2 text-gb-fg-s">
@ {title}
</div>
<div className="flex-1 overflow-y-auto p-3 space-y-1 font-mono text-sm">
{!id && <p className="text-gb-fg-f">[select a conversation]</p>}
{id && messages.length === 0 && <p className="text-gb-fg-f">[no messages]</p>}
{messages.map((msg: ConversationMessage) => (
<div key={msg.id} className="break-words">
<span className="text-gb-fg-f">[{formatTime(msg.created_at)}]</span>{" "}
<span className="text-gb-aqua">&lt;{msg.author_username}&gt;</span>{" "}
<span className="text-gb-fg">{renderDMContent(msg.content)}</span>
</div>
))}
<div ref={bottomRef} />
</div>
{error && (
<div className="px-3 pb-1">
<p className="text-gb-red text-xs font-mono">ERR: {error}</p>
</div>
)}
<form onSubmit={handleSubmit} className="p-3 flex items-center gap-2">
<span className="text-gb-fg-f select-none shrink-0">{">"}</span>
<input
type="text"
value={input}
onChange={(e) => setInput(e.target.value)}
placeholder="type a message..."
className="terminal-input w-full"
disabled={!id}
/>
</form>
</div>
);
}