Files
zap.stream/src/element/write-message.tsx
2023-07-13 13:42:20 +02:00

123 lines
3.2 KiB
TypeScript

import { NostrLink, EventPublisher, EventKind } from "@snort/system";
import { useRef, useState, useMemo, ChangeEvent } from "react";
import { LIVE_STREAM_CHAT } from "../const";
import useEmoji, { packId } from "../hooks/emoji";
import { useLogin } from "../hooks/login";
import { System } from "../index";
import AsyncButton from "./async-button";
import { Icon } from "./icon";
import { Textarea } from "./textarea";
import { EmojiPicker } from "./emoji-picker";
import type { EmojiPack, Emoji } from "../hooks/emoji";
export function WriteMessage({
link,
emojiPacks,
}: {
link: NostrLink;
emojiPacks: EmojiPack[];
}) {
const ref = useRef(null);
const emojiRef = useRef(null);
const [chat, setChat] = useState("");
const [showEmojiPicker, setShowEmojiPicker] = useState(false);
const login = useLogin();
const emojis = emojiPacks.map((pack) => pack.emojis).flat();
const names = emojis.map((t) => t.at(1));
// @ts-expect-error
const topOffset = ref.current?.getBoundingClientRect().top;
// @ts-expect-error
const leftOffset = ref.current?.getBoundingClientRect().left;
async function sendChatMessage() {
const pub = await EventPublisher.nip7();
if (chat.length > 1) {
let emojiNames = new Set();
for (const name of names) {
if (chat.includes(`:${name}:`)) {
emojiNames.add(name);
}
}
const reply = await pub?.generic((eb) => {
const emoji = [...emojiNames].map((name) =>
emojis.find((e) => e.at(1) === name)
);
eb.kind(LIVE_STREAM_CHAT as EventKind)
.content(chat)
.tag(["a", `${link.kind}:${link.author}:${link.id}`, "", "root"])
.processContent();
for (const e of emoji) {
if (e) {
eb.tag(e);
}
}
return eb;
});
if (reply) {
console.debug(reply);
System.BroadcastEvent(reply);
}
setChat("");
}
}
function onEmojiSelect(emoji: Emoji) {
if (emoji.native) {
setChat(`${chat}${emoji.native}`);
} else {
setChat(`${chat}:${emoji.id}:`);
}
setShowEmojiPicker(false);
}
async function onKeyDown(e: React.KeyboardEvent) {
if (e.code === "Enter") {
e.preventDefault();
await sendChatMessage();
}
}
async function onChange(e: ChangeEvent) {
// @ts-expect-error
setChat(e.target.value);
}
function pickEmoji(ev: any) {
ev.stopPropagation();
setShowEmojiPicker(!showEmojiPicker);
}
return (
<>
<div className="paper" ref={ref}>
<Textarea
emojis={emojis}
value={chat}
onKeyDown={onKeyDown}
onChange={onChange}
/>
<div onClick={pickEmoji}>
<Icon name="face" className="write-emoji-button" />
</div>
{showEmojiPicker && (
<EmojiPicker
topOffset={topOffset}
leftOffset={leftOffset}
emojiPacks={emojiPacks}
onEmojiSelect={onEmojiSelect}
onClickOutside={() => setShowEmojiPicker(false)}
ref={emojiRef}
/>
)}
</div>
<AsyncButton onClick={sendChatMessage} className="btn btn-border">
Send
</AsyncButton>
</>
);
}