Files
bellsystems-cp/frontend/src/melodies/PlaybackModal.jsx

584 lines
24 KiB
JavaScript

import { useState, useEffect, useRef, useCallback } from "react";
import api from "../api/client";
function bellFrequency(bellNumber) {
return 880 * Math.pow(Math.pow(2, 1 / 12), -2 * (bellNumber - 1));
}
function playStep(audioCtx, stepValue, beatDurationMs) {
if (!stepValue || !audioCtx) return;
const now = audioCtx.currentTime;
const duration = beatDurationMs / 1000;
const fadeIn = 0.005;
const fadeOut = 0.03;
for (let bit = 0; bit < 16; bit++) {
if (stepValue & (1 << bit)) {
const freq = bellFrequency(bit + 1);
const osc = audioCtx.createOscillator();
const gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
osc.type = "sine";
osc.frequency.setValueAtTime(freq, now);
gain.gain.setValueAtTime(0, now);
gain.gain.linearRampToValueAtTime(0.3, now + fadeIn);
gain.gain.setValueAtTime(0.3, now + Math.max(duration - fadeOut, fadeIn + 0.001));
gain.gain.linearRampToValueAtTime(0, now + duration);
osc.start(now);
osc.stop(now + duration);
}
}
}
function parseBellNotation(notation) {
const raw = String(notation || "").trim();
if (raw === "0" || !raw) return 0;
let value = 0;
for (const part of raw.split("+")) {
const n = Number.parseInt(part.trim(), 10);
if (Number.isInteger(n) && n >= 1 && n <= 16) value |= 1 << (n - 1);
}
return value;
}
function parseStepsString(stepsStr) {
if (!stepsStr || !String(stepsStr).trim()) return [];
return String(stepsStr).trim().split(",").map((s) => parseBellNotation(s));
}
function normalizePlaybackUrl(url) {
if (!url || typeof url !== "string") return null;
if (url.startsWith("http") || url.startsWith("/api")) return url;
if (url.startsWith("/")) return `/api${url}`;
return `/api/${url}`;
}
async function fetchBinaryResponse(url) {
const token = localStorage.getItem("access_token");
try {
const res = await fetch(url, {
headers: token ? { Authorization: `Bearer ${token}` } : {},
});
if (res.ok) return res;
if (url.startsWith("http")) {
const retry = await fetch(url);
if (retry.ok) return retry;
throw new Error(`Failed to fetch binary: ${retry.statusText || retry.status}`);
}
throw new Error(`Failed to fetch binary: ${res.statusText || res.status}`);
} catch (err) {
if (url.startsWith("http")) {
const retry = await fetch(url);
if (retry.ok) return retry;
throw new Error(`Failed to fetch binary: ${retry.statusText || retry.status}`);
}
throw err;
}
}
async function decodeBsmBinary(url) {
const res = await fetchBinaryResponse(url);
const buf = await res.arrayBuffer();
const view = new DataView(buf);
const steps = [];
for (let i = 0; i + 1 < buf.byteLength; i += 2) {
steps.push(view.getUint16(i, false));
}
return steps;
}
function mapPercentageToSpeed(percent, minSpeed, maxSpeed) {
if (minSpeed == null || maxSpeed == null) return null;
const t = Math.max(0, Math.min(100, percent)) / 100;
const a = minSpeed;
const b = maxSpeed;
if (a <= 0 || b <= 0) return Math.round(a + (b - a) * t);
return Math.round(a * Math.pow(b / a, t));
}
function applyNoteAssignments(rawStepValue, noteAssignments) {
if (!noteAssignments || noteAssignments.length === 0) return rawStepValue;
let result = 0;
for (let bit = 0; bit < 16; bit++) {
if (rawStepValue & (1 << bit)) {
const assignedBell = noteAssignments[bit];
if (assignedBell && assignedBell > 0) {
result |= 1 << (assignedBell - 1);
}
}
}
return result;
}
function interpolateHue(t) {
const stops = [
[0.0, 190], // bright teal/blue
[0.24, 140], // green
[0.5, 56], // yellow
[0.82, 30], // orange
[1.0, 0], // red
];
for (let i = 0; i < stops.length - 1; i++) {
const [aPos, aHue] = stops[i];
const [bPos, bHue] = stops[i + 1];
if (t >= aPos && t <= bPos) {
const local = (t - aPos) / (bPos - aPos || 1);
return aHue + (bHue - aHue) * local;
}
}
return stops[stops.length - 1][1];
}
function bellDotColor(assignedBell) {
const bell = Number(assignedBell || 0);
if (bell <= 0) return "rgba(148,163,184,0.7)";
const t = Math.min(1, Math.max(0, (bell - 1) / 15));
const hue = interpolateHue(t);
return `hsl(${hue}, 78%, 68%)`;
}
function bellDotGlow(assignedBell) {
const bell = Number(assignedBell || 0);
if (bell <= 0) return "rgba(100,116,139,0.35)";
const t = Math.min(1, Math.max(0, (bell - 1) / 15));
const hue = interpolateHue(t);
return `hsla(${hue}, 78%, 56%, 0.45)`;
}
function bellCustomGlow(color) {
if (!color || typeof color !== "string") return null;
return `${color}66`;
}
const mutedStyle = { color: "var(--text-muted)" };
const labelStyle = { color: "var(--text-secondary)" };
const NOTE_LABELS = "ABCDEFGHIJKLMNOP";
export default function PlaybackModal({ open, melody, builtMelody, files, archetypeCsv, onClose }) {
const info = melody?.information || {};
const minSpeed = info.minSpeed || null;
const maxSpeed = info.maxSpeed || null;
const noteAssignments = melody?.default_settings?.noteAssignments || [];
const [steps, setSteps] = useState([]);
const [loading, setLoading] = useState(false);
const [loadError, setLoadError] = useState("");
const [playing, setPlaying] = useState(false);
const [currentStep, setCurrentStep] = useState(-1);
const [speedPercent, setSpeedPercent] = useState(50);
const [toneLengthMs, setToneLengthMs] = useState(80);
const [loopEnabled, setLoopEnabled] = useState(true);
const [activeBells, setActiveBells] = useState(new Set());
const [noteColors, setNoteColors] = useState([]);
const audioCtxRef = useRef(null);
const playbackRef = useRef(null);
const stepsRef = useRef([]);
const speedMsRef = useRef(500);
const toneLengthRef = useRef(80);
const noteAssignmentsRef = useRef(noteAssignments);
const loopEnabledRef = useRef(true);
const speedMs = mapPercentageToSpeed(speedPercent, minSpeed, maxSpeed) ?? 500;
useEffect(() => { stepsRef.current = steps; }, [steps]);
useEffect(() => { speedMsRef.current = speedMs; }, [speedMs]);
useEffect(() => { toneLengthRef.current = toneLengthMs; }, [toneLengthMs]);
useEffect(() => { noteAssignmentsRef.current = noteAssignments; }, [noteAssignments]);
useEffect(() => { loopEnabledRef.current = loopEnabled; }, [loopEnabled]);
useEffect(() => {
if (!open) return;
let canceled = false;
api.get("/settings/melody")
.then((s) => {
if (canceled) return;
setNoteColors((s?.note_assignment_colors || []).slice(0, 16));
})
.catch(() => {
if (!canceled) setNoteColors([]);
});
return () => { canceled = true; };
}, [open]);
const stopPlayback = useCallback(() => {
if (playbackRef.current) {
clearTimeout(playbackRef.current.timer);
if (playbackRef.current.flashTimer) clearTimeout(playbackRef.current.flashTimer);
playbackRef.current = null;
}
setPlaying(false);
setCurrentStep(-1);
setActiveBells(new Set());
}, []);
useEffect(() => {
if (!open) {
stopPlayback();
setSteps([]);
setCurrentStep(-1);
setLoadError("");
setSpeedPercent(50);
setLoopEnabled(true);
setActiveBells(new Set());
return;
}
const binaryUrlCandidate = builtMelody?.binary_url
? `/api${builtMelody.binary_url}`
: files?.binary_url || melody?.url || null;
const binaryUrl = normalizePlaybackUrl(binaryUrlCandidate);
const csv = archetypeCsv || info.archetype_csv || null;
if (binaryUrl) {
setLoading(true);
setLoadError("");
decodeBsmBinary(binaryUrl)
.then((decoded) => {
setSteps(decoded);
stepsRef.current = decoded;
})
.catch((err) => {
if (csv) {
const parsed = parseStepsString(csv);
setSteps(parsed);
stepsRef.current = parsed;
setLoadError("");
return;
}
setLoadError(err.message || "Failed to load melody data.");
})
.finally(() => setLoading(false));
return;
}
if (csv) {
const parsed = parseStepsString(csv);
setSteps(parsed);
stepsRef.current = parsed;
setLoadError("");
return;
}
setLoadError("No binary or archetype data available for this melody.");
}, [open]); // eslint-disable-line react-hooks/exhaustive-deps
const ensureAudioCtx = () => {
if (!audioCtxRef.current || audioCtxRef.current.state === "closed") {
audioCtxRef.current = new (window.AudioContext || window.webkitAudioContext)();
}
if (audioCtxRef.current.state === "suspended") {
audioCtxRef.current.resume();
}
return audioCtxRef.current;
};
const scheduleStep = useCallback((stepIndex) => {
const currentSteps = stepsRef.current;
if (!currentSteps.length) return;
const playFrom = stepIndex % currentSteps.length;
const ctx = ensureAudioCtx();
const rawStepValue = currentSteps[playFrom];
const stepValue = applyNoteAssignments(rawStepValue, noteAssignmentsRef.current);
setCurrentStep(playFrom);
const bellsNow = new Set();
for (let bit = 0; bit < 16; bit++) {
if (stepValue & (1 << bit)) bellsNow.add(bit + 1);
}
setActiveBells(bellsNow);
playStep(ctx, stepValue, toneLengthRef.current);
const flashTimer = setTimeout(() => setActiveBells(new Set()), toneLengthRef.current);
const timer = setTimeout(() => {
const next = playFrom + 1;
if (next >= stepsRef.current.length) {
if (loopEnabledRef.current) scheduleStep(0);
else stopPlayback();
return;
}
scheduleStep(next);
}, speedMsRef.current);
playbackRef.current = { timer, flashTimer, stepIndex: playFrom };
}, [stopPlayback]);
const handlePlay = () => {
if (!stepsRef.current.length) return;
setPlaying(true);
scheduleStep(0);
};
if (!open) return null;
const totalSteps = steps.length;
const allBellsUsed = steps.reduce((set, v) => {
const mapped = applyNoteAssignments(v, noteAssignments);
for (let bit = 0; bit < 16; bit++) {
if (mapped & (1 << bit)) set.add(bit + 1);
}
return set;
}, new Set());
const maxBell = allBellsUsed.size > 0 ? Math.max(...Array.from(allBellsUsed)) : 0;
const hasSpeedInfo = minSpeed != null && maxSpeed != null;
const detectedNoteCount = steps.reduce((max, stepValue) => {
let highest = 0;
for (let bit = 15; bit >= 0; bit--) {
if (stepValue & (1 << bit)) {
highest = bit + 1;
break;
}
}
return Math.max(max, highest);
}, 0);
const configuredNoteCount = Number(info.totalNotes || noteAssignments.length || 0);
const gridNoteCount = Math.max(1, Math.min(16, configuredNoteCount || detectedNoteCount || 1));
return (
<div
className="fixed inset-0 flex items-center justify-center z-50"
style={{ backgroundColor: "rgba(0,0,0,0.7)" }}
onClick={(e) => e.target === e.currentTarget && !playing && onClose()}
>
<div
className="w-full rounded-lg border shadow-xl"
style={{
backgroundColor: "var(--bg-card)",
borderColor: "var(--border-primary)",
maxWidth: "1100px",
}}
>
<div className="flex items-center justify-between px-6 py-4 border-b" style={{ borderColor: "var(--border-primary)" }}>
<div>
<h2 className="text-lg font-semibold" style={{ color: "var(--text-heading)" }}>Melody Playback</h2>
<p className="text-xs mt-0.5" style={mutedStyle}>{melody?.information?.name?.en || "Melody"} - looping</p>
</div>
<button onClick={() => { stopPlayback(); onClose(); }} className="text-xl leading-none" style={mutedStyle}>&times;</button>
</div>
<div className="px-6 py-5 space-y-5">
{loading && <p className="text-sm text-center py-4" style={mutedStyle}>Loading binary...</p>}
{loadError && (
<div className="text-sm rounded-md p-3 border" style={{ backgroundColor: "var(--danger-bg)", borderColor: "var(--danger)", color: "var(--danger-text)" }}>
{loadError}
</div>
)}
{!loading && !loadError && totalSteps > 0 && (
<>
<div className="grid grid-cols-1 lg:grid-cols-2 gap-5">
<div className="space-y-4">
<div className="flex items-center justify-between">
<span className="text-xs" style={mutedStyle}>{totalSteps} steps · {allBellsUsed.size} bell{allBellsUsed.size !== 1 ? "s" : ""}</span>
</div>
{noteAssignments.length > 0 && (
<div>
<p className="text-xs mb-2" style={mutedStyle}>Note to Assigned Bell</p>
<div className="flex flex-wrap gap-1.5">
{noteAssignments.map((assignedBell, noteIdx) => {
const firesABell = assignedBell && assignedBell > 0;
const isActive = firesABell && activeBells.has(assignedBell);
return (
<div
key={noteIdx}
className="flex flex-col items-center rounded-md border transition-all"
style={{
minWidth: "36px",
padding: "4px 6px",
backgroundColor: isActive && firesABell ? "var(--accent)" : "var(--bg-card-hover)",
borderColor: isActive ? "var(--accent)" : "var(--border-primary)",
}}
>
<span className="text-xs font-bold leading-tight" style={{ color: isActive && firesABell ? "var(--bg-primary)" : "var(--text-secondary)" }}>{NOTE_LABELS[noteIdx]}</span>
<div className="w-full my-0.5" style={{ height: "1px", backgroundColor: isActive && firesABell ? "rgba(255,255,255,0.4)" : "var(--border-primary)" }} />
<span className="text-xs leading-tight" style={{ color: isActive && firesABell ? "var(--bg-primary)" : "var(--text-muted)" }}>{assignedBell > 0 ? assignedBell : "-"}</span>
</div>
);
})}
</div>
</div>
)}
{maxBell > 0 && (
<div>
<p className="text-xs mb-2" style={mutedStyle}>Active Bells</p>
<div className="flex flex-wrap gap-1.5">
{Array.from({ length: maxBell }, (_, i) => i + 1).map((b) => {
const isActive = activeBells.has(b);
const isUsed = allBellsUsed.has(b);
return (
<div
key={b}
className="w-8 h-8 rounded-full flex items-center justify-center text-xs font-bold"
style={{
backgroundColor: isActive ? "#22c55e" : isUsed ? "var(--bg-card-hover)" : "var(--bg-primary)",
color: isActive ? "#fff" : isUsed ? "var(--text-secondary)" : "var(--border-primary)",
border: `2px solid ${isActive ? "#22c55e" : "var(--border-primary)"}`,
}}
>
{b}
</div>
);
})}
</div>
</div>
)}
</div>
<div className="space-y-4">
<div className="flex items-center gap-3">
{!playing ? (
<button onClick={handlePlay} className="px-5 py-2 text-sm rounded-md font-medium transition-colors" style={{ backgroundColor: "var(--btn-primary)", color: "var(--text-white)" }}>
Play
</button>
) : (
<button onClick={stopPlayback} className="px-5 py-2 text-sm rounded-md font-medium transition-colors" style={{ backgroundColor: "var(--danger-btn)", color: "var(--text-white)" }}>
Stop
</button>
)}
<label className="inline-flex items-center gap-2 text-xs" style={mutedStyle}>
<input type="checkbox" checked={loopEnabled} onChange={(e) => setLoopEnabled(e.target.checked)} className="h-3.5 w-3.5 rounded" />
Loop
</label>
{currentStep >= 0 && (
<div className="ml-auto min-w-[180px]">
<div className="flex items-center justify-end gap-2">
<span className="text-xs font-mono" style={{ color: "var(--accent)" }}>
Step {currentStep + 1} / {totalSteps}
</span>
</div>
<div className="mt-1 h-1.5 rounded-full" style={{ backgroundColor: "var(--bg-primary)", border: "1px solid var(--border-primary)" }}>
<div
className="h-full rounded-full"
style={{ width: `${Math.max(0, Math.min(100, ((currentStep + 1) / totalSteps) * 100))}%`, backgroundColor: "var(--accent)" }}
/>
</div>
</div>
)}
</div>
<div>
<div className="flex items-center justify-between mb-1.5">
<label className="text-sm font-medium" style={labelStyle}>Speed</label>
<div className="text-right">
<span className="text-sm font-bold" style={{ color: "var(--accent)" }}>{speedPercent}%</span>
{hasSpeedInfo && <span className="text-xs ml-2" style={mutedStyle}>({speedMs} ms/step)</span>}
</div>
</div>
<input type="range" min="1" max="100" step="1" value={speedPercent} onChange={(e) => setSpeedPercent(Number(e.target.value))} className="w-full h-2 rounded-lg appearance-none cursor-pointer" />
</div>
<div>
<div className="flex items-center justify-between mb-1.5">
<label className="text-sm font-medium" style={labelStyle}>Tone Length</label>
<span className="text-sm font-bold" style={{ color: "var(--accent)" }}>{toneLengthMs} ms</span>
</div>
<input type="range" min="20" max="400" step="10" value={toneLengthMs} onChange={(e) => setToneLengthMs(Number(e.target.value))} className="w-full h-2 rounded-lg appearance-none cursor-pointer" />
</div>
</div>
</div>
<div>
<p className="text-xs mb-2" style={mutedStyle}>Note/Step Matrix</p>
<div className="rounded-md border overflow-auto" style={{ borderColor: "var(--border-primary)", maxHeight: "340px" }}>
<table className="min-w-max border-separate border-spacing-0 text-xs">
<thead>
<tr>
<th className="sticky top-0 left-0 z-20 px-2 py-1.5 text-left border-b border-r" style={{ backgroundColor: "var(--bg-primary)", borderColor: "var(--border-primary)", color: "var(--text-muted)" }}>Note \\ Step</th>
{steps.map((_, stepIdx) => (
<th
key={stepIdx}
className="sticky top-0 z-10 px-2 py-1.5 text-center border-b border-r"
style={{
minWidth: "40px",
backgroundColor: currentStep === stepIdx ? "rgba(116,184,22,0.2)" : "var(--bg-primary)",
borderColor: "var(--border-primary)",
color: currentStep === stepIdx ? "var(--accent)" : "var(--text-muted)",
}}
>
{stepIdx + 1}
</th>
))}
</tr>
</thead>
<tbody>
{Array.from({ length: gridNoteCount }, (_, noteIdx) => (
<tr key={noteIdx}>
<th className="sticky left-0 z-[1] px-2 py-1.5 text-left border-b border-r" style={{ backgroundColor: "var(--bg-primary)", borderColor: "var(--border-primary)", color: "var(--text-secondary)" }}>{NOTE_LABELS[noteIdx]}</th>
{steps.map((stepValue, stepIdx) => {
const enabled = Boolean(stepValue & (1 << noteIdx));
const isCurrent = currentStep === stepIdx;
const assignedBell = Number(noteAssignments[noteIdx] || 0);
const assignedColor = assignedBell > 0 ? noteColors?.[assignedBell - 1] : null;
const dotLabel = assignedBell > 0 ? assignedBell : "";
const isUnassigned = assignedBell <= 0;
const dotVisible = enabled || (isUnassigned && Boolean(stepValue & (1 << noteIdx)));
return (
<td
key={`${noteIdx}-${stepIdx}`}
className="border-b border-r"
style={{
width: "40px",
height: "40px",
borderColor: "var(--border-primary)",
backgroundColor: isCurrent ? "rgba(116,184,22,0.06)" : "transparent",
}}
>
<span className="w-full h-full flex items-center justify-center" aria-hidden="true">
<span
className="flex items-center justify-center text-[10px] font-semibold"
style={{
width: "68%",
height: "68%",
borderRadius: "9999px",
backgroundColor: isUnassigned ? "rgba(100,116,139,0.7)" : (assignedColor || bellDotColor(assignedBell)),
color: "#111827",
opacity: dotVisible ? 1 : 0,
transform: dotVisible ? "scale(1)" : "scale(0.4)",
boxShadow: dotVisible
? (isUnassigned ? "0 0 8px 2px rgba(100,116,139,0.35)" : `0 0 10px 3px ${bellCustomGlow(assignedColor) || bellDotGlow(assignedBell)}`)
: "none",
transition: "opacity 140ms ease, transform 140ms ease, box-shadow 180ms ease",
}}
>
{dotVisible ? dotLabel : ""}
</span>
</span>
</td>
);
})}
</tr>
))}
</tbody>
</table>
</div>
</div>
{!hasSpeedInfo && (
<p className="text-xs mt-1.5" style={{ color: "var(--warning, #f59e0b)" }}>
No MIN/MAX speed set for this melody - using linear fallback.
</p>
)}
</>
)}
</div>
<div className="flex justify-end px-6 py-4 border-t" style={{ borderColor: "var(--border-primary)" }}>
<button onClick={() => { stopPlayback(); onClose(); }} className="px-4 py-2 text-sm rounded-md transition-colors" style={{ backgroundColor: "var(--bg-card-hover)", color: "var(--text-primary)" }}>
Close
</button>
</div>
</div>
</div>
);
}