Random-Number-Spinner-App-with-Custom-Settings/spinner_wheel_v3_2.html at main · AhmedOmara708/Random-Number-Spinner-App-with-Custom-Settings · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Spin-Down Picker (Wheel) — v3.2</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <style>
    :root {
      --bg: #0b1020;
      --card: #111731;
      --muted: #8ca0b3;
      --text: #e6eef5;
      --accent: #6dd3ff;
      --good: #7ee081;
      --bad: #ff7676;
      --highlight: #ffe08a;
    }
    * { box-sizing: border-box; }
    body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: linear-gradient(180deg, #0a0f1e, #03060f); color: var(--text); }
    .wrap { max-width: 1200px; margin: 32px auto; padding: 0 16px; }
    h1 { margin: 0 0 6px; font-size: 26px; }
    p.sub { margin: 0 8px 18px 0; color: var(--muted); }
    .grid { display: grid; grid-template-columns: 1fr 480px; gap: 20px; }
    @media (max-width: 960px) { .grid { grid-template-columns: 1fr; } }
    .card { background: radial-gradient(1200px 600px at -20% -40%, #1a244b 0%, rgba(17,23,49,0) 60%), var(--card); border: 1px solid #26315b; border-radius: 14px; padding: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.35); }
    .controls label { display: inline-block; margin: 6px 0; color: var(--muted); }
    input[type=text], input[type=number] { background: #0e1530; color: #e6eef5; border: 1px solid #2e3a6a; border-radius: 8px; padding: 8px 10px; outline: none; }
    input[type=number] { width: 70px; }
    select { background: #0e1530; color: #e6eef5; border: 1px solid #2e3a6a; border-radius: 8px; padding: 8px 10px; outline: none; }
    button { background: #1c2652; color: var(--text); border: 1px solid #2c3a74; border-radius: 10px; padding: 10px 12px; cursor: pointer; transition: transform .04s ease, background .2s ease; }
    button:hover { background: #22306a; }
    button:active { transform: translateY(1px); }
    button.secondary { background: #0e1530; }
    button.danger { background: #3b1822; border-color: #6e2334; }
    .row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
    .spacer { height: 8px; }
    .wheel-wrap { position: relative; display: grid; place-items: center; padding: 10px; }
    canvas { width: 100%; max-width: 580px; height: auto; border-radius: 50%; display: block; }
    .pointer { position: absolute; top: 6px; width: 0; height: 0; border-left: 18px solid transparent; border-right: 18px solid transparent; border-bottom: 28px solid var(--good); filter: drop-shadow(0 2px 2px rgba(0,0,0,.5)); }
    .selected { text-align: center; font-size: 18px; margin-top: 10px; color: var(--text); min-height: 28px; }
    .list { max-height: 580px; overflow: auto; }
    .opt { background: rgba(255,255,255,0.03); border: 1px solid #25305a; border-radius: 10px; padding: 8px; display: grid; grid-template-columns: 1fr auto; align-items: center; margin: 6px 0; gap: 8px; transition: background .6s ease; }
    .opt.exhausted { opacity: .45; text-decoration: line-through; }
    .opt.flash { background: rgba(255,224,138,0.25); }
    .hits { font-size: 12px; color: var(--muted); }
    .footer { margin-top: 8px; color: var(--muted); font-size: 13px; text-align: center; }
    .badge { font-size: 11px; border: 1px solid #2a376b; padding: 3px 8px; border-radius: 8px; color: var(--muted); }
    .switch { position: relative; display: inline-block; width: 46px; height: 26px; vertical-align: middle; }
    .switch input { display:none; }
    .slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #3b466e; transition: .2s; border-radius: 26px; }
    .slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: white; transition: .2s; border-radius: 50%; }
    input:checked + .slider { background-color: #4d8efc; }
    input:checked + .slider:before { transform: translateX(20px); }
    .muted { color: var(--muted); font-size: 12px; }
    .thumb { width: 28px; height: 28px; border-radius: 6px; object-fit: cover; background: #0e1530; border: 1px solid #2a376b; }
    .opt-controls { display: flex; align-items: center; gap: 6px; }
    .label-row { display:flex; align-items:center; gap:8px; }
  </style>
</head>
<body>
  <div class="wrap">
    <h1>Spin-Down Picker</h1>
    <p class="sub">Custom Spinner</p>

    <div class="grid">
      <!-- Wheel -->
      <div class="card">
        <div class="wheel-wrap">
          <div class="pointer"></div>
          <canvas id="wheel" width="760" height="760" title="Click to spin"></canvas>
        </div>
        <div class="row" style="justify-content:center; gap:12px; margin-top:8px;">
          <button id="spinBtn">🎡 Spin</button>
          <button id="undoBtn" class="secondary">↩️ Undo</button>
          <button id="shuffleBtn" class="secondary">🔀 Shuffle wheel</button>
          <span class="badge" id="statusBadge">Ready</span>
        </div>
        <div id="selected" class="selected">Add options and press Spin</div>
      </div>

      <!-- Controls / List -->
      <div class="card controls">
        <div class="row" style="justify-content:space-between; width:100%">
          <div class="row">
            <label>New option</label>
            <input id="newOption" type="text" placeholder="Type a label and hit Add" />
            <input id="newWeight" type="number" min="1" step="1" value="1" title="Weight" />
            <button id="addBtn" type="button">Add</button>
          </div>
          <div class="row">
            <label class="row" style="gap:10px; align-items:center;">
              <span>Cycle mode</span>
              <label class="switch">
                <input id="cycleMode" type="checkbox" />
                <span class="slider"></span>
              </label>
            </label>
          </div>
        </div>

        <div class="row">
          <label>N (times before removal)</label>
          <input id="maxHits" type="number" min="1" value="3" />
          <label>Sort</label>
          <select id="sortMode">
            <option value="manual">Manual / current</option>
            <option value="alphaAsc">Alphabetical (A→Z)</option>
            <option value="alphaDesc">Alphabetical (Z→A)</option>
            <option value="numAsc">Numeric (asc)</option>
            <option value="numDesc">Numeric (desc)</option>
            <option value="recent">Recent (newest)</option>
            <option value="chrono">Chronological (oldest)</option>
          </select>
          <button id="resetCountsBtn" class="secondary">Reset counts</button>
          <button id="resetAllBtn" class="danger">Reset all</button>
        </div>
        <div class="muted">Weights set slice sizes & probabilities when Cycle mode is OFF. In Cycle mode, each eligible option appears once per round, ignoring weights, until all are seen.</div>
        <div class="spacer"></div>
        <div class="row" style="justify-content:space-between;">
          <h3 style="margin:0;">Options</h3>
          <span class="badge" id="eligibleBadge"></span>
        </div>
        <div class="list" id="optionsList"></div>
        <div class="footer" id="footerMsg"></div>
      </div>
    </div>
  </div>

<script>
let sequenceCounter = 0;
let options = [ makeOption("1"), makeOption("2"), makeOption("3"), makeOption("4"), makeOption("5") ];
let history = [];
let rotation = 0;
let spinning = false;
let cycleBag = [];
let sortMode = "manual";

const palette = ["#6dd3ff","#7ee081","#ffd36e","#ff9d76","#b28cff","#7cd4a2","#f7a8e1","#8ed1fc","#ffd6a5","#caffbf","#bdb2ff","#a0c4ff"];

function uid(){ return Math.random().toString(36).slice(2,9); }
function byId(id){ return document.getElementById(id); }
function clamp(v,min,max){ return Math.max(min, Math.min(max, v)); }
function easeOutCubic(t){ return 1 - Math.pow(1 - t, 3); }
function shuffleArray(arr){ for(let i=arr.length-1;i>0;i--){ const j=Math.floor(Math.random()*(i+1)); [arr[i],arr[j]]=[arr[j],arr[i]]; } return arr; }
function parseMaybeNum(s){ const n = parseFloat(s); return isNaN(n) ? null : n; }
function getMaxHits(){ const n = parseInt(byId('maxHits').value || '3', 10); return clamp(n,1,999); }
function isCycleMode(){ return byId('cycleMode').checked; }
function totalWeight(ops){ return ops.reduce((sum,o)=> sum + Math.max(0.0001, o.weight || 1), 0); }
function makeOption(label){ return { id: uid(), label: String(label), hits: 0, weight: 1, image: null, imageUrl: null, addedAt: Date.now(), seq: sequenceCounter++ }; }

function applySort(arr){
  switch(sortMode){
    case "alphaAsc": return [...arr].sort((a,b)=> a.label.localeCompare(b.label, undefined, {numeric: true, sensitivity: 'base'}));
    case "alphaDesc": return [...arr].sort((a,b)=> b.label.localeCompare(a.label, undefined, {numeric: true, sensitivity: 'base'}));
    case "numAsc": return [...arr].sort((a,b)=> (parseMaybeNum(a.label) ?? Infinity) - (parseMaybeNum(b.label) ?? Infinity));
    case "numDesc": return [...arr].sort((a,b)=> (parseMaybeNum(b.label) ?? -Infinity) - (parseMaybeNum(a.label) ?? -Infinity));
    case "recent": return [...arr].sort((a,b)=> b.addedAt - a.addedAt);
    case "chrono": return [...arr].sort((a,b)=> a.seq - b.seq);
    default: return arr;
  }
}
function activeOptions(){ const n=getMaxHits(); return applySort(options.filter(o=>o.hits<n)); }

function refillCycleBagIfNeeded(){
  if(!isCycleMode()) { cycleBag = []; return; }
  const eligible = activeOptions().map(o=>o.id);
  cycleBag = cycleBag.filter(id => eligible.includes(id));
  if(cycleBag.length === 0){ cycleBag = shuffleArray([...eligible]); }
}

const canvas = byId('wheel');
const ctx = canvas.getContext('2d');
const R = canvas.width/2;

function drawWheel(){
  ctx.clearRect(0,0,canvas.width,canvas.height);
  ctx.save(); ctx.translate(R, R);
  const act = activeOptions();
  const W = totalWeight(act);
  let angle = 0;
  ctx.fillStyle = "#0e1530"; ctx.beginPath(); ctx.arc(0,0,R,0,Math.PI*2); ctx.fill();
  for(let i=0;i<act.length;i++){
    const w = Math.max(0.0001, act[i].weight || 1);
    const slice = (w / W) * Math.PI * 2;
    const start = rotation + angle;
    const end = start + slice;
    ctx.beginPath(); ctx.moveTo(0,0); ctx.arc(0,0,R-6,start,end); ctx.closePath();
    ctx.fillStyle = palette[i % palette.length]; ctx.fill();
    ctx.lineWidth = 2; ctx.strokeStyle = "rgba(0,0,0,.25)"; ctx.stroke();

    const mid = (start+end)/2;
    ctx.save();
    ctx.rotate(mid); ctx.translate(R*0.60, 0); ctx.rotate(Math.PI/2);
    ctx.fillStyle = "#101728"; ctx.font = "700 18px system-ui, sans-serif";
    drawTextCentered(ctx, act[i].label, 180);
    ctx.restore();

    if(act[i].image){
      const img = act[i].image; const rImg = R*0.78; const size = 42;
      const cx = Math.cos(mid) * rImg, cy = Math.sin(mid) * rImg;
      ctx.save(); roundRect(ctx, cx - size/2, cy - size/2, size, size, 6); ctx.clip();
      ctx.drawImage(img, cx - size/2, cy - size/2, size, size); ctx.restore();
    }
    angle += slice;
  }
  ctx.beginPath(); ctx.arc(0,0,54,0,Math.PI*2); ctx.fillStyle="#e6eef5"; ctx.fill();
  ctx.lineWidth=6; ctx.strokeStyle="#26315b"; ctx.stroke();
  ctx.restore();
}
function roundRect(ctx,x,y,w,h,r){ ctx.beginPath(); ctx.moveTo(x+r,y); ctx.arcTo(x+w,y,x+w,y+h,r); ctx.arcTo(x+w,y+h,x,y+h,r); ctx.arcTo(x,y+h,x,y,r); ctx.arcTo(x,y,x+w,y,r); ctx.closePath(); }
function drawTextCentered(ctx, text, maxWidth){
  const m = ctx.measureText(text);
  if(m.width <= maxWidth){ ctx.fillText(text, -m.width/2, 8); return; }
  let out = text;
  while(ctx.measureText(out + "…").width > maxWidth && out.length > 0){ out = out.slice(0,-1); }
  ctx.fillText(out + "…", -ctx.measureText(out + "…").width/2, 8);
}

function getSegments(act){
  const segs=[]; const W=totalWeight(act); let a=0;
  for(const o of act){ const slice=(Math.max(0.0001,o.weight||1)/W)*Math.PI*2; segs.push({id:o.id,start:a,end:a+slice}); a+=slice; }
  return segs;
}

function renderList(){
  const list = byId('optionsList');
  list.innerHTML = '';
  const n = getMaxHits();
  const display = applySort([...options]);
  display.forEach(o=>{
    const div = document.createElement('div'); div.className='opt'+(o.hits>=n?' exhausted':''); div.dataset.id=o.id;
    const left = document.createElement('div'); left.className='label-row';
    const img = document.createElement('img'); img.className='thumb'; if(o.imageUrl) img.src=o.imageUrl; else img.style.opacity=.25;
    const label = document.createElement('input'); label.type='text'; label.value=o.label; label.onchange=()=>{ o.label=label.value; drawWheel(); renderList(); };
    left.appendChild(img); left.appendChild(label);

    const right = document.createElement('div'); right.className='opt-controls';
    const wLab = document.createElement('span'); wLab.className='hits'; wLab.textContent='w:';
    const wInput=document.createElement('input'); wInput.type='number'; wInput.min='0'; wInput.step='1'; wInput.value=o.weight||1; wInput.onchange=()=>{ o.weight=Math.max(0,parseInt(wInput.value||'1',10)); drawWheel(); };
    const hits=document.createElement('span'); hits.className='hits'; hits.textContent=`${o.hits}/${n}`;
    const imgBtn=document.createElement('button'); imgBtn.textContent='Img';
    const file=document.createElement('input'); file.type='file'; file.accept='image/*'; file.style.display='none';
    imgBtn.onclick=()=>file.click();
    file.onchange=()=>{ const f=file.files[0]; if(!f) return; const r=new FileReader(); r.onload=(e)=>{ o.imageUrl=e.target.result; const image=new Image(); image.onload=()=>{ o.image=image; drawWheel(); renderList(); }; image.src=o.imageUrl; }; r.readAsDataURL(f); };
    const rm=document.createElement('button'); rm.textContent='Remove'; rm.onclick=()=>{ options=options.filter(x=>x.id!==o.id); drawWheel(); renderList(); updateBadges(); refillCycleBagIfNeeded(); };

    right.appendChild(wLab); right.appendChild(wInput); right.appendChild(hits); right.appendChild(imgBtn); right.appendChild(file); right.appendChild(rm);
    div.appendChild(left); div.appendChild(right); list.appendChild(div);
  });
  byId('footerMsg').textContent = options.length ? '' : 'No options yet. Add some above.';
}

function updateBadges(){
  const act = options.filter(o => o.hits < getMaxHits()).length;
  const ex = options.length - act;
  byId('eligibleBadge').textContent = `${act} eligible • ${ex} exhausted`;
}

function chooseTarget(act){
  if(isCycleMode()){ refillCycleBagIfNeeded(); const pickIdx=Math.floor(Math.random()*cycleBag.length); const pickedId=cycleBag.splice(pickIdx,1)[0]; return act.findIndex(o=>o.id===pickedId); }
  const W=totalWeight(act); let r=Math.random()*W; for(let i=0;i<act.length;i++){ r-=Math.max(0.0001,act[i].weight||1); if(r<=0) return i; } return act.length-1;
}

function spin(){
  if(spinning) return;
  const act = activeOptions();
  if(act.length===0){ byId('selected').textContent='All options exhausted – reset counts or add more.'; return; }
  spinning=true; byId('statusBadge').textContent='Spinning…';
  const segs=getSegments(act); const targetIndex=chooseTarget(act); const seg=segs[targetIndex]; const targetCenter=(seg.start+seg.end)/2;
  const start=rotation; const spins=4+Math.floor(Math.random()*3); let end=-Math.PI/2 - targetCenter + spins*Math.PI*2; while(end<=start) end+=Math.PI*2;
  const duration=1800; const t0=performance.now();
  function step(now){ const t=Math.max(0,Math.min(1,(now-t0)/duration)); const eased=1-Math.pow(1-t,3); rotation=start+(end-start)*eased; drawWheel();
    if(t<1){ requestAnimationFrame(step); } else { const chosen=act[targetIndex]; const n=getMaxHits(); const real=options.find(o=>o.id===chosen.id);
      if(real){ real.hits=Math.min(n,real.hits+1); history.unshift(real.id); byId('selected').textContent=`Selected: ${real.label}`; }
      spinning=false; byId('statusBadge').textContent='Ready'; renderList(); updateBadges(); refillCycleBagIfNeeded(); } }
  requestAnimationFrame(step);
}

function undoLast(){
  if(spinning) return;
  const last=history.shift(); if(!last) return; const n=getMaxHits(); const o=options.find(x=>x.id===last); if(o){ o.hits=Math.max(0,Math.min(n,o.hits-1)); }
  byId('selected').textContent = history.length ? `Back to: ${options.find(x=>x.id===history[0])?.label || ''}` : 'Undo complete';
  renderList(); updateBadges(); refillCycleBagIfNeeded();
}

// Controls
byId('addBtn').addEventListener('click', () => {
  const inp = byId('newOption');
  const weightInput = byId('newWeight');
  const label = (inp.value || '').trim();
  if(!label){ inp.focus(); return; }
  const w = Math.max(0, parseInt(weightInput.value || '1', 10)) || 1;
  const o = makeOption(label); o.weight = w;
  options.push(o);
  inp.value=''; weightInput.value='1';
  drawWheel(); renderList(); updateBadges(); refillCycleBagIfNeeded();
  // Scroll to and flash the newly added row wherever it appears
  requestAnimationFrame(() => {
    const row = document.querySelector(`.opt[data-id="${o.id}"]`);
    if(row){ row.classList.add('flash'); row.scrollIntoView({ behavior:'smooth', block:'center' }); setTimeout(()=>row.classList.remove('flash'), 700); }
  });
});
['newOption','newWeight'].forEach(id => byId(id).addEventListener('keydown', e => { if(e.key==='Enter'){ e.preventDefault(); byId('addBtn').click(); } }));
byId('spinBtn').onclick = spin;
canvas.addEventListener('click', () => { if(!spinning) spin(); });
byId('undoBtn').onclick = undoLast;
byId('shuffleBtn').onclick = () => { options = shuffleArray(options); drawWheel(); renderList(); updateBadges(); refillCycleBagIfNeeded(); };
byId('resetCountsBtn').onclick = () => { options.forEach(o => o.hits = 0); history=[]; byId('selected').textContent = 'Counts reset.'; drawWheel(); renderList(); updateBadges(); refillCycleBagIfNeeded(); };
byId('resetAllBtn').onclick = () => { options=[]; history=[]; rotation=0; cycleBag=[]; byId('selected').textContent='Cleared all.'; drawWheel(); renderList(); updateBadges(); };

byId('maxHits').addEventListener('change', ()=>{ renderList(); updateBadges(); drawWheel(); refillCycleBagIfNeeded(); });
byId('cycleMode').addEventListener('change', ()=>{ refillCycleBagIfNeeded(); });
byId('sortMode').addEventListener('change', (e)=>{ sortMode = e.target.value; drawWheel(); renderList(); });

// initial
sortMode = byId('sortMode').value;
drawWheel(); renderList(); updateBadges(); refillCycleBagIfNeeded();
</script>
</body>
</html>