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Add Pomodoro JS interpreter script #2487

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286 changes: 286 additions & 0 deletions sd_files/interpreter/pomodoro_t-embed.js
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// Pomodoro for Bruce (T-Embed CC1101) - userspace BJS script
// Controls: encoder rotate = NEXT/PREV, encoder press = SEL, side button = ESC
// During a phase: SEL = pause/resume, NEXT = skip to next phase, ESC = exit

var display = require('display');
var keyboard = require('keyboard');
var audio = require('audio');
var led = require('led');

var W = display.width();
var H = display.height();
var CX = Math.floor(W / 2);
var CY = Math.floor(H / 2);

var BG = display.color(0, 0, 0);
var FG = display.color(220, 220, 220);
var DIM = display.color(96, 96, 96);
var YELLOW = display.color(255, 220, 0);
var RED = display.color(220, 30, 0);
var GREEN = display.color(0, 200, 30);
var CYAN = display.color(0, 180, 220);

var WORK = 0;
var SHORT_BREAK = 1;
var LONG_BREAK = 2;

function phaseLabel(p) {
if (p === WORK) return "WORK";
if (p === SHORT_BREAK) return "SHORT BREAK";
return "LONG BREAK";
}
function phaseColor(p) {
if (p === WORK) return RED;
if (p === SHORT_BREAK) return GREEN;
return CYAN;
}
function ledForPhase(p, dim) {
var v = dim ? 50 : 180;
if (p === WORK) led.setColor(v, 0, 0);
else if (p === SHORT_BREAK) led.setColor(0, v, 0);
else led.setColor(0, Math.floor(v * 0.6), v);
}

function pad2(n) { return n < 10 ? "0" + n : "" + n; }

// ---- Setup screen ----
var workMin = 25;
var shortMin = 5;
var longMin = 15;
var rounds = 4;
var soundOn = true;

var FIELDS = ["Work", "Short break", "Long break", "Rounds", "Sound", "[ START ]"];
var minRange = [1, 1, 1, 2, 0, 0];
var maxRange = [90, 60, 60, 8, 1, 0];

function getFieldValue(i) {
if (i === 0) return workMin + " min";
if (i === 1) return shortMin + " min";
if (i === 2) return longMin + " min";
if (i === 3) return "" + rounds;
if (i === 4) return soundOn ? "ON" : "OFF";
return "";
}
function bumpField(i, dir) {
if (i === 4) { soundOn = !soundOn; return; }
if (i === 5) return;
var vals = [workMin, shortMin, longMin, rounds, 0];
var v = vals[i] + dir;
if (v < minRange[i]) v = maxRange[i];
if (v > maxRange[i]) v = minRange[i];
if (i === 0) workMin = v;
else if (i === 1) shortMin = v;
else if (i === 2) longMin = v;
else if (i === 3) rounds = v;
}

function drawSetup(sel) {
display.fillScreen(BG);
display.setTextSize(2);
display.setTextColor(YELLOW, BG);
display.setTextAlign('center', 'top');
display.drawString("Pomodoro", CX, 6);

display.setTextSize(1);
var rowY = 36;
var rowH = 14;
for (var i = 0; i < FIELDS.length; i++) {
var y = rowY + i * rowH;
var hi = (i === sel);
var color = hi ? FG : DIM;
display.setTextColor(color, BG);
if (i === 5) {
display.setTextAlign('center', 'top');
display.drawString(FIELDS[i], CX, y);
if (hi) {
display.drawFillRect(CX - 40, y + 10, 80, 2, FG);
}
} else {
display.setTextAlign('left', 'top');
display.drawString(FIELDS[i], 10, y);
display.setTextAlign('right', 'top');
display.drawString(getFieldValue(i), W - 10, y);
}
}
display.setTextAlign('left', 'top');
}

function configure() {
var sel = 0;
drawSetup(sel);
while (true) {
if (keyboard.getEscPress()) return false;
if (keyboard.getNextPress()) {
if (sel === 5) {
sel = 0;
} else if (sel === 4) {
soundOn = !soundOn;
} else {
bumpField(sel, 1);
}
drawSetup(sel);
}
if (keyboard.getPrevPress()) {
bumpField(sel, -1);
drawSetup(sel);
}
if (keyboard.getSelPress()) {
if (sel === 5) return true;
sel = sel + 1;
drawSetup(sel);
}
delay(50);
}
}

// ---- Run-phase screen ----
function drawRunFrame(phase, round, remainSec, totalSec, paused) {
display.fillScreen(BG);

display.setTextSize(1);
display.setTextColor(YELLOW, BG);
display.setTextAlign('center', 'top');
var title = (phase === WORK) ? ("Pomodoro #" + round) : ("Break");
display.drawString(title, CX, 4);

display.setTextSize(2);
display.setTextColor(phaseColor(phase), BG);
display.drawString(phaseLabel(phase), CX, 22);

var mins = Math.floor(remainSec / 60);
var secs = remainSec % 60;
display.setTextSize(4);
display.setTextColor(FG, BG);
display.drawString(pad2(mins) + ":" + pad2(secs), CX, CY - 18);

var barW = W - 24;
var barX = 12;
var barY = CY + 22;
var barH = 8;
display.drawRect(barX, barY, barW, barH, FG);
var fill = 0;
if (totalSec > 0) {
fill = Math.floor((barW - 2) * (totalSec - remainSec) / totalSec);
}
if (fill < 0) fill = 0;
if (fill > barW - 2) fill = barW - 2;
display.drawFillRect(barX + 1, barY + 1, fill, barH - 2, phaseColor(phase));
display.drawFillRect(barX + 1 + fill, barY + 1, barW - 2 - fill, barH - 2, BG);

display.setTextSize(1);
display.setTextColor(DIM, BG);
display.drawString("Round " + round + " SEL=pause NEXT=skip", CX, H - 14);

if (paused) {
display.setTextColor(YELLOW, BG);
display.drawString("-- PAUSED --", CX, H - 26);
}
display.setTextAlign('left', 'top');
}

function runPhase(phase, round, durationSec) {
var startMs = now();
var pausedAt = 0;
var pausedTotal = 0;
var paused = false;
var lastShown = -1;

drawRunFrame(phase, round, durationSec, durationSec, false);
ledForPhase(phase, false);

while (true) {
var t = now();

if (keyboard.getEscPress()) return "exit";
if (keyboard.getNextPress()) return "skip";
if (keyboard.getSelPress()) {
if (!paused) { paused = true; pausedAt = t; ledForPhase(phase, true); }
else { paused = false; pausedTotal += (t - pausedAt); ledForPhase(phase, false); }
lastShown = -1;
delay(150);
}

var elapsedMs = paused ? (pausedAt - startMs - pausedTotal)
: (t - startMs - pausedTotal);
var elapsedSec = Math.floor(elapsedMs / 1000);
var remaining = durationSec - elapsedSec;
if (remaining < 0) remaining = 0;

if (!paused && remaining === 0) return "done";

if (remaining !== lastShown) {
drawRunFrame(phase, round, remaining, durationSec, paused);
lastShown = remaining;
}
delay(50);
}
}

function phaseEndAlarm(justEnded, nextPhase) {
display.fillScreen(BG);
display.setTextSize(2);
display.setTextColor(phaseColor(nextPhase), BG);
display.setTextAlign('center', 'top');
var banner = (justEnded === WORK) ? "BREAK TIME" : "BACK TO WORK";
display.drawString(banner, CX, CY - 16);
display.setTextSize(1);
display.setTextColor(FG, BG);
display.drawString("SEL: continue ESC: stop", CX, CY + 16);
display.setTextAlign('left', 'top');

var workEnded = (justEnded === WORK);
var beeps = soundOn ? 6 : 0;
for (var i = 0; i < beeps; i++) {
if (keyboard.getSelPress()) { delay(150); return true; }
if (keyboard.getEscPress()) return false;
ledForPhase(nextPhase, false);
if (workEnded) { audio.tone(880, 120); delay(60); audio.tone(1320, 200); }
else { audio.tone(660, 200); delay(60); audio.tone(440, 250); }
led.off();
var startWait = now();
while (now() - startWait < 400) {
if (keyboard.getSelPress()) { delay(150); return true; }
if (keyboard.getEscPress()) return false;
delay(10);
}
}
ledForPhase(nextPhase, false);
while (true) {
if (keyboard.getSelPress()) { delay(150); return true; }
if (keyboard.getEscPress()) return false;
delay(50);
}
}

function nextBreakPhase(round) {
return (round % rounds === 0) ? LONG_BREAK : SHORT_BREAK;
}

// ---- Main ----
if (!configure()) {
led.off();
exit();
}

var round = 1;
while (true) {
var workSec = workMin * 60;
var r = runPhase(WORK, round, workSec);
if (r === "exit") { led.off(); exit(); }

var brk = nextBreakPhase(round);
if (r !== "skip") {
if (!phaseEndAlarm(WORK, brk)) { led.off(); exit(); }
}

var brkSec = (brk === LONG_BREAK ? longMin : shortMin) * 60;
r = runPhase(brk, round, brkSec);
if (r === "exit") { led.off(); exit(); }
if (r !== "skip") {
if (!phaseEndAlarm(brk, WORK)) { led.off(); exit(); }
}

round = round + 1;
if (round > 99) round = 1;
}