sw-fe/src/components/Live/LiveKitBroadcast.jsx

632 lines
20 KiB
JavaScript

import { useState, useRef, useEffect, useCallback } from "react";
import { useLiveKit } from "./useLiveKit";
import { useDualCamera } from "./useDualCamera";
import { useAuth } from "../../auth/AuthContext";
import { fetchPostComments, createPostComment } from "../../api/client";
import { CREATE_CATEGORY_MAP, FILTER_MAIN_CATEGORIES } from "../Map/mapConfig";
import "./Live.css";
const API_BASE = (import.meta?.env?.VITE_API_BASE_URL || "").replace(/\/+$/, "");
const LIVEKIT_API = "https://live.us1.sociowire.com";
/**
* LiveKit-based broadcast component
* Professional video streaming that works everywhere (5G, 4G, WiFi, firewalls)
*/
export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
const { username, token: authToken } = useAuth();
const userID = username || `anon_${Date.now()}`;
const [roomName] = useState(() => `live_${userID}_${Date.now()}`);
const [title, setTitle] = useState("");
const [showConfirm, setShowConfirm] = useState(false);
const [livePostId, setLivePostId] = useState(null);
const liveCategoryOptions = FILTER_MAIN_CATEGORIES.filter((c) => c !== "All");
const [liveCategory, setLiveCategory] = useState("Events");
const [liveSubCategory, setLiveSubCategory] = useState("Live");
// Timer state
const [liveStartTime, setLiveStartTime] = useState(null);
const [elapsedTime, setElapsedTime] = useState(0);
// Comments state (stored in the post so they persist after live)
const [comments, setComments] = useState([]);
const [commentInput, setCommentInput] = useState("");
const commentsEndRef = useRef(null);
const [liveCoords] = useState(() => {
if (coords && typeof coords === "object") {
if (Array.isArray(coords) && coords.length >= 2) {
return { lon: coords[0], lat: coords[1] };
}
const lat = coords.lat ?? coords.latitude;
const lon = coords.lon ?? coords.lng ?? coords.longitude;
if (Number.isFinite(lat) && Number.isFinite(lon)) {
return { lat, lon };
}
}
return { lat: null, lon: null };
});
const videoRef = useRef(null);
// Camera hook - handles device enumeration and swapping
const {
mainStream,
isSwapped,
error: cameraError,
isStarting: cameraStarting,
isSwapping,
hasDualCameras,
startCameras,
swapCameras,
stopCameras,
} = useDualCamera();
const {
isLive,
isConnecting,
error: liveKitError,
viewerCount,
startBroadcast,
stopBroadcast,
replaceVideoTrack,
} = useLiveKit({
roomName,
userID,
username,
token: authToken,
});
const error = cameraError || liveKitError;
const subCategoryOptions = (() => {
const options = Array.isArray(CREATE_CATEGORY_MAP[liveCategory])
? CREATE_CATEGORY_MAP[liveCategory]
: [];
const withLive = ["Live", ...options];
const deduped = [];
const seen = new Set();
for (const item of withLive) {
const label = (item || "").toString().trim();
if (!label || seen.has(label)) continue;
seen.add(label);
deduped.push(label);
}
return deduped;
})();
useEffect(() => {
if (!subCategoryOptions.length) return;
if (!subCategoryOptions.includes(liveSubCategory)) {
setLiveSubCategory(subCategoryOptions[0]);
}
}, [liveCategory]);
// Start camera on mount
useEffect(() => {
startCameras();
return () => {
stopCameras();
};
}, []);
// Update video element when stream changes
useEffect(() => {
const el = videoRef.current;
if (!el || !mainStream) return;
el.srcObject = mainStream;
el.muted = true;
const tryPlay = () => {
const p = el.play();
if (p && typeof p.catch === "function") {
p.catch(() => {});
}
};
el.onloadedmetadata = tryPlay;
tryPlay();
}, [mainStream]);
// Timer effect - update every second when live
useEffect(() => {
if (!isLive || !liveStartTime) return;
const interval = setInterval(() => {
setElapsedTime(Math.floor((Date.now() - liveStartTime) / 1000));
}, 1000);
return () => clearInterval(interval);
}, [isLive, liveStartTime]);
// Auto-scroll comments
useEffect(() => {
commentsEndRef.current?.scrollIntoView({ behavior: "smooth" });
}, [comments]);
// Format elapsed time as MM:SS
const formatTime = (seconds) => {
const mins = Math.floor(seconds / 60);
const secs = seconds % 60;
return `${mins.toString().padStart(2, "0")}:${secs.toString().padStart(2, "0")}`;
};
// Switch between front and back camera
const switchCamera = useCallback(async () => {
if (isSwapping || !hasDualCameras) return;
await swapCameras();
// If live, replace the video track in LiveKit after swap
// Note: mainStream will be updated by useDualCamera, we need to wait for it
}, [isSwapping, hasDualCameras, swapCameras]);
// Update LiveKit track when mainStream changes during live
useEffect(() => {
if (isLive && mainStream) {
const newVideoTrack = mainStream.getVideoTracks()[0];
if (newVideoTrack) {
replaceVideoTrack(newVideoTrack);
}
}
}, [mainStream, isLive, replaceVideoTrack]);
const refreshComments = useCallback(async () => {
if (!livePostId) return;
const items = await fetchPostComments(livePostId, 50);
if (Array.isArray(items)) {
setComments(items);
}
}, [livePostId]);
useEffect(() => {
if (!isLive || !livePostId) return;
let active = true;
const poll = async () => {
if (!active) return;
await refreshComments();
};
poll();
const timer = setInterval(poll, 4000);
return () => {
active = false;
clearInterval(timer);
};
}, [isLive, livePostId, refreshComments]);
// Add a comment (persist to post immediately)
const handleAddComment = useCallback(async () => {
const body = commentInput.trim();
if (!body || !livePostId) return;
setCommentInput("");
const res = await createPostComment(livePostId, body);
if (res?.ok) {
await refreshComments();
}
}, [commentInput, livePostId, refreshComments]);
const handleGoLive = useCallback(async () => {
if (!authToken) {
alert("Please log in to start a live stream.");
return;
}
if (!title.trim()) {
alert("Please enter a title");
return;
}
if (!mainStream) {
alert("Camera not ready");
return;
}
// Get video track from stream
const videoTrack = mainStream.getVideoTracks()[0];
await startBroadcast(videoTrack, true);
// Start timer
setLiveStartTime(Date.now());
setElapsedTime(0);
if (onStreamCreated) {
onStreamCreated({
roomName,
title: title.trim(),
coords: liveCoords,
});
}
try {
const res = await fetch(`${API_BASE}/api/post`, {
method: "POST",
headers: {
"Content-Type": "application/json",
...(authToken ? { Authorization: `Bearer ${authToken}` } : {}),
},
body: JSON.stringify({
title: title.trim(),
snippet: `Live now${liveSubCategory ? ` · ${liveSubCategory}` : ""}`,
category: liveCategory === "Events" ? "EVENT" : liveCategory.toUpperCase(),
sub_category: liveSubCategory || "Live",
lat: liveCoords?.lat,
lon: liveCoords?.lon,
author: username,
source: "sociowire",
visibility: "public",
content_type: "live",
embed_url: `livekit://${roomName}`,
}),
});
if (res.ok) {
const post = await res.json();
setLivePostId(post?.id || null);
window.dispatchEvent(new CustomEvent("live-post-created", { detail: post }));
} else {
const errText = await res.text();
console.error("[LiveKit] Failed to create live post:", res.status, errText);
alert("Live started, but we couldn't create the live post.");
}
} catch (err) {
console.error("[LiveKit] Failed to create live post:", err);
alert("Live started, but we couldn't create the live post.");
}
}, [
title,
mainStream,
startBroadcast,
roomName,
liveCoords,
onStreamCreated,
authToken,
username,
liveCategory,
liveSubCategory,
]);
const handleEndStream = useCallback(async (save) => {
await stopBroadcast();
stopCameras();
// Stop egress recording and get video key
let videoKey = "";
let thumbnailKey = "";
try {
const egressRes = await fetch(`${LIVEKIT_API}/api/livekit/egress/stop`, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ room: roomName, save: !!save }),
});
if (egressRes.ok) {
const egressData = await egressRes.json();
videoKey = egressData.key || "";
thumbnailKey = egressData.thumbnail_key || "";
console.log("[LiveKit] Egress stopped, video key:", videoKey);
}
} catch (err) {
console.warn("[LiveKit] Failed to stop egress:", err);
}
if (livePostId) {
try {
// Include comments in finalize request
const res = await fetch(`${API_BASE}/api/live/finalize`, {
method: "POST",
headers: {
"Content-Type": "application/json",
...(authToken ? { Authorization: `Bearer ${authToken}` } : {}),
},
body: JSON.stringify({
post_id: livePostId,
save: !!save,
video_key: videoKey,
thumbnail_key: thumbnailKey,
comments: [],
}),
});
if (res.ok && save) {
const post = await res.json();
window.dispatchEvent(new CustomEvent("live-post-updated", { detail: post }));
}
if (res.ok && !save) {
window.dispatchEvent(new CustomEvent("live-post-deleted", { detail: { post_id: livePostId } }));
}
if (!res.ok) {
const errText = await res.text();
console.error("[LiveKit] Finalize failed:", res.status, errText);
alert("We couldn't save the live post. Please try again.");
}
} catch (err) {
console.error("[LiveKit] Failed to finalize live post:", err);
alert("We couldn't save the live post. Please try again.");
}
}
onClose?.();
}, [stopBroadcast, stopCameras, onClose, livePostId, authToken, roomName, comments]);
const handleBackdropClick = (e) => {
if (e.target === e.currentTarget && !isLive) {
stopCameras();
onClose?.();
}
};
return (
<div className="sw-broadcast-modal" onClick={handleBackdropClick}>
<div className="sw-broadcast-container">
{/* Header */}
<div className="sw-broadcast-header">
<div className="sw-broadcast-header-left">
<i className="fa-solid fa-broadcast-tower" />
<span>{isLive ? "LIVE" : "Go Live"}</span>
{isLive && (
<>
<div className="sw-broadcast-live-badge">
<span className="sw-broadcast-dot" />
<span>{viewerCount} watching</span>
</div>
<div className="sw-broadcast-timer">
<i className="fa-solid fa-clock" />
<span>{formatTime(elapsedTime)}</span>
</div>
</>
)}
</div>
<button
type="button"
className="sw-broadcast-close"
onClick={() => {
if (isLive) {
setShowConfirm(true);
} else {
stopCameras();
onClose?.();
}
}}
>
<i className="fa-solid fa-times" />
</button>
</div>
{/* Content */}
<div className="sw-broadcast-content">
{/* Video preview */}
<div className="sw-broadcast-video-area">
<div className="sw-broadcast-main-video">
{mainStream ? (
<video
ref={videoRef}
autoPlay
playsInline
muted
className="sw-broadcast-video"
/>
) : (
<div className="sw-broadcast-video-placeholder">
{cameraStarting ? (
<>
<i className="fa-solid fa-spinner fa-spin" />
<span>Starting camera...</span>
</>
) : (
<>
<i className="fa-solid fa-video-slash" />
<span>Camera unavailable</span>
</>
)}
</div>
)}
{isLive && (
<div className="sw-broadcast-live-indicator">
<span className="sw-broadcast-dot" />
<span>LIVE</span>
</div>
)}
{/* Camera controls overlay */}
<div className="sw-broadcast-controls-overlay">
{hasDualCameras && (
<button
type="button"
className="sw-broadcast-control-btn"
onClick={switchCamera}
disabled={isSwapping}
title={isSwapped ? "Switch to front camera" : "Switch to back camera"}
>
{isSwapping ? (
<i className="fa-solid fa-spinner fa-spin" />
) : (
<i className="fa-solid fa-camera-rotate" />
)}
</button>
)}
</div>
</div>
</div>
{/* Side panel */}
<div className="sw-broadcast-side">
{!isLive && (
<div className="sw-broadcast-form">
<label className="sw-broadcast-label">Stream Title</label>
<input
type="text"
className="sw-broadcast-input"
placeholder="What's happening?"
value={title}
onChange={(e) => setTitle(e.target.value)}
maxLength={100}
/>
<label className="sw-broadcast-label">Category</label>
<select
className="sw-broadcast-input"
value={liveCategory}
onChange={(e) => setLiveCategory(e.target.value)}
>
{liveCategoryOptions.map((opt) => (
<option key={opt} value={opt}>
{opt}
</option>
))}
</select>
<label className="sw-broadcast-label">Subcategory</label>
<select
className="sw-broadcast-input"
value={liveSubCategory}
onChange={(e) => setLiveSubCategory(e.target.value)}
>
{subCategoryOptions.map((opt) => (
<option key={opt} value={opt}>
{opt}
</option>
))}
</select>
<div className="sw-broadcast-hint">
Using LiveKit - works on 5G/4G/WiFi
</div>
</div>
)}
{isLive && (
<>
<div className="sw-broadcast-live-info">
<h3 className="sw-broadcast-title">{title}</h3>
<div className="sw-broadcast-stats">
<span>
<i className="fa-solid fa-eye" /> {viewerCount} viewers
</span>
<span>
<i className="fa-solid fa-clock" /> {formatTime(elapsedTime)}
</span>
</div>
</div>
{/* Comments section */}
<div className="sw-broadcast-comments">
<div className="sw-broadcast-comments-header">
<i className="fa-solid fa-comments" />
<span>Comments ({comments.length})</span>
</div>
<div className="sw-broadcast-comments-list">
{comments.length === 0 ? (
<div className="sw-broadcast-no-comments">
{livePostId ? "No comments yet" : "Connecting chat..."}
</div>
) : (
comments.map((c, idx) => (
<div
key={c.id || c.ID || c.created_at || c.createdAt || `${c.username || "user"}-${idx}`}
className="sw-broadcast-comment"
>
<span className="sw-broadcast-comment-author">{c.username || c.author || "User"}</span>
<span className="sw-broadcast-comment-text">{c.body || c.text || ""}</span>
</div>
))
)}
<div ref={commentsEndRef} />
</div>
<div className="sw-broadcast-comment-input-row">
<input
type="text"
className="sw-broadcast-comment-input"
placeholder={livePostId ? "Add a comment..." : "Chat starting..."}
value={commentInput}
onChange={(e) => setCommentInput(e.target.value)}
onKeyDown={(e) => e.key === "Enter" && handleAddComment()}
maxLength={200}
disabled={!livePostId}
/>
<button
type="button"
className="sw-broadcast-comment-send"
onClick={handleAddComment}
disabled={!commentInput.trim() || !livePostId}
>
<i className="fa-solid fa-paper-plane" />
</button>
</div>
</div>
</>
)}
{error && (
<div className="sw-broadcast-error">
<i className="fa-solid fa-exclamation-triangle" />
<span>{error}</span>
</div>
)}
<div className="sw-broadcast-actions">
{isLive ? (
<button
type="button"
className="sw-broadcast-btn danger"
onClick={() => setShowConfirm(true)}
>
<i className="fa-solid fa-stop" />
<span>End Stream</span>
</button>
) : (
<button
type="button"
className="sw-broadcast-btn primary"
onClick={handleGoLive}
disabled={isConnecting || !mainStream}
>
{isConnecting ? (
<>
<i className="fa-solid fa-spinner fa-spin" />
<span>Connecting...</span>
</>
) : (
<>
<i className="fa-solid fa-broadcast-tower" />
<span>Go Live</span>
</>
)}
</button>
)}
</div>
</div>
</div>
{/* Confirm dialog */}
{showConfirm && (
<div className="sw-broadcast-confirm-overlay">
<div className="sw-broadcast-confirm">
<h3>End Stream?</h3>
<p>Your live stream will end for all viewers.</p>
{comments.length > 0 && (
<p className="sw-broadcast-confirm-comments">
<i className="fa-solid fa-comments" /> {comments.length} comments will be saved
</p>
)}
<div className="sw-broadcast-confirm-actions">
<button
type="button"
className="sw-broadcast-btn secondary"
onClick={() => setShowConfirm(false)}
>
Cancel
</button>
<button
type="button"
className="sw-broadcast-btn danger"
onClick={() => handleEndStream(false)}
>
Discard
</button>
<button
type="button"
className="sw-broadcast-btn primary"
onClick={() => handleEndStream(true)}
>
Save
</button>
</div>
</div>
</div>
)}
</div>
</div>
);
}