/* Swactor Dashboard — Shared JavaScript */

// ── Mode Detection ─────────────────────────────────────────────
var DASHBOARD_MODE = (document.querySelector('meta[name="dashboard-mode"]') || {}).content || 'live';
var isReplay = (DASHBOARD_MODE === 'replay');

// ── Shared DOM References ──────────────────────────────────────
var statusDot = document.getElementById('statusDot');
var uptimeLabel = document.getElementById('uptimeLabel');
var replayBadge = document.getElementById('replayBadge');
var replaySpeed = document.getElementById('replaySpeed');
var replayPct = document.getElementById('replayPct');
var progressBarWrap = document.getElementById('progressBarWrap');
var progressFill = document.getElementById('progressFill');

// ── Replay UI Setup ────────────────────────────────────────────
if (isReplay) {
  if (replayBadge) replayBadge.className = 'replay-badge visible';
  if (progressBarWrap) progressBarWrap.className = 'progress-bar-wrap visible';
  if (statusDot) statusDot.className = 'status-dot replaying';
  if (uptimeLabel) uptimeLabel.style.display = 'none';
}

// ── Uptime Tracking ────────────────────────────────────────────
var lastUptimeMs = null;
var lastStatsTime = null;

function updateUptime() {
  if (isReplay || !uptimeLabel) return;
  var up = lastUptimeMs;
  if (up !== null && lastStatsTime !== null) {
    up += (Date.now() - lastStatsTime);
  }
  if (up === null) { uptimeLabel.textContent = ''; return; }
  var s = Math.floor(up / 1000);
  var d = Math.floor(s / 86400);
  var h = Math.floor((s % 86400) / 3600);
  var m = Math.floor((s % 3600) / 60);
  var sec = s % 60;
  var parts = [];
  if (d > 0) parts.push(d + 'd');
  if (h > 0 || d > 0) parts.push(h + 'h');
  parts.push(m + 'm');
  parts.push(sec + 's');
  uptimeLabel.textContent = parts.join(' ');
}
if (uptimeLabel) setInterval(updateUptime, 1000);

function trackUptime(data) {
  if (typeof data.uptime_ms === 'number') {
    lastUptimeMs = data.uptime_ms;
    lastStatsTime = Date.now();
  }
}

// ── Status Dot Management ──────────────────────────────────────
function setStatus(s) {
  if (!statusDot) return;
  if (s === 'done') {
    statusDot.className = 'status-dot done';
    if (isReplay) {
      if (replayPct) replayPct.textContent = '100%';
      if (progressFill) progressFill.style.width = '100%';
    }
  } else if (s === 'disconnected') {
    statusDot.className = 'status-dot disconnected';
  } else {
    statusDot.className = isReplay ? 'status-dot replaying' : 'status-dot';
  }
}

// ── Utility Functions ──────────────────────────────────────────
function escapeHtml(s) {
  if (!s) return '';
  return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
}

function addrToHex(addr) {
  var bytes = Array.isArray(addr) ? addr : Object.values(addr);
  var hex = '';
  for (var j = 0; j < Math.min(8, bytes.length); j++) {
    hex += ('0' + bytes[j].toString(16)).slice(-2);
  }
  return hex + '\u2026';
}

function addrToFullHex(addr) {
  var bytes = Array.isArray(addr) ? addr : Object.values(addr);
  var hex = '';
  for (var j = 0; j < bytes.length; j++) {
    hex += ('0' + bytes[j].toString(16)).slice(-2);
  }
  return hex;
}

function shortTypeName(full) {
  if (!full) return '';
  var parts = full.split('::');
  return parts[parts.length - 1];
}

// ── Color Palette ──────────────────────────────────────────────
var colors = ['#4caf50','#2196f3','#ff9800','#f44336','#9c27b0','#00bcd4','#ffeb3b','#e91e63'];

function colorWithAlpha(hex, alpha) {
  var r = parseInt(hex.slice(1, 3), 16);
  var g = parseInt(hex.slice(3, 5), 16);
  var b = parseInt(hex.slice(5, 7), 16);
  return 'rgba(' + r + ',' + g + ',' + b + ',' + alpha + ')';
}

// ── SSE Connection Factory ─────────────────────────────────────
//
// Usage:
//   var es = createSSE({
//     stats: function(data) { ... },
//     activity: function(data) { ... },
//     distribution: function(data) { ... }
//   });
//
function createSSE(handlers) {
  var es = new EventSource('/events');

  // Wire page-specific handlers
  Object.keys(handlers).forEach(function(event) {
    es.addEventListener(event, function(e) {
      try { handlers[event](JSON.parse(e.data)); }
      catch(err) { console.error(event + ' parse error', err); }
    });
  });

  // Common replay handlers
  es.addEventListener('replay_meta', function(e) {
    try {
      var meta = JSON.parse(e.data);
      if (replaySpeed) { replaySpeed.textContent = meta.speed + 'x'; replaySpeed.style.display = 'inline'; }
      if (replayPct) { replayPct.style.display = 'inline'; replayPct.textContent = '0%'; }
    } catch(err) { console.error('replay_meta parse error', err); }
  });

  es.addEventListener('replay_progress', function(e) {
    try {
      var data = JSON.parse(e.data);
      var pct = Math.round(data.progress * 100);
      if (replayPct) replayPct.textContent = pct + '%';
      if (progressFill) progressFill.style.width = pct + '%';
    } catch(err) { console.error('replay_progress parse error', err); }
  });

  es.addEventListener('done', function() {
    setStatus('done');
    es.close();
  });

  es.onerror = function() { setStatus('disconnected'); };
  es.onopen = function() { setStatus('connected'); };

  return es;
}