/*  embed.js – discrete 4Hz ticking version  */
(() => {
  const API         = "https://ntdservices-debt-clock.hf.space/api/debt";
  const CLS         = "ntd-debt-clock";
  const REFRESH_MS  = 5 * 60 * 1000;        // poll backend every 5 min

  /* 1 ▸ inject DSEG-7 font once per page */
  if (!document.getElementById("dseg-face")) {
    const style = document.createElement("style");
    style.id    = "dseg-face";
    style.textContent = `
      @font-face {
        font-family: "DSEG7";
        src: url("https://cdn.jsdelivr.net/npm/@fontsource/dseg7-classic/files/dseg7-classic-latin-700-normal.woff2")
             format("woff2");
        font-weight: 700;
        font-style: normal;
        font-display: swap;
      }`;
    document.head.appendChild(style);
  }

  /* 2 ▸ mount one clock per matching element */
  function mount(el) {
    Object.assign(el.style, {
      font: "700 5.5rem 'DSEG7', monospace",
      color: "#ffb400",
      textShadow: "0 0 8px rgba(255,180,0,.9)",
      background: "transparent",
      padding: "10px 18px",
      borderRadius: "6px",
      whiteSpace: "pre",
      letterSpacing: ".6em",
      userSelect: "none",
      position: "relative",
    });

    let baseDebt   = 0;
    let ratePerSec = 0;
    let baseTime   = Date.now();

    async function pull() {
      try {
        const d = await fetch(API).then(r => r.json());
        baseDebt   = d.startingDebt;
        ratePerSec = d.ratePerSecond;
        baseTime   = Date.now();
      } catch (err) {
        console.error("Debt fetch failed:", err);
      }
    }

    pull();
    setInterval(pull, REFRESH_MS);

    /* update 4×/sec (every 250ms) */
    setInterval(() => {
      const now   = Date.now();
      const delta = (now - baseTime) / 1000;
      const debt  = baseDebt + ratePerSec * delta;

      el.textContent =
        Math.round(debt).toLocaleString("en-US").replace(/,/g, " ");
          
      }, 250);
  }

  document.querySelectorAll("." + CLS).forEach(mount);
})();