// Minimal vanilla-JS client for the suggestions page. Talks to the JSON API
// exposed by routes_flask.py / routes_fastapi.py. No build step, no framework.

const $ = (id) => document.getElementById(id);

async function loadIssues() {
  const list = $("s-list");
  if (!list) return;
  try {
    const res = await fetch("/api/suggestions?state=open");
    const data = await res.json();
    const issues = data.issues || [];
    if (!issues.length) {
      list.innerHTML = '<p class="muted">No open suggestions yet.</p>';
      return;
    }
    list.innerHTML = issues.map((i) => `
      <div class="card">
        <div class="issue-title">#${i.number} ${escapeHtml(i.title)}</div>
        <div class="issue-meta">${i.comments} comment(s) ·
          <a href="${i.html_url}" target="_blank" rel="noopener">view on Gitea</a></div>
      </div>`).join("");
  } catch (e) {
    list.innerHTML = '<p class="muted">Could not load suggestions.</p>';
  }
}

function escapeHtml(s) {
  return (s || "").replace(/[&<>"']/g, (c) => (
    { "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]
  ));
}

async function uploadImage(file) {
  const fd = new FormData();
  fd.append("file", file);
  const res = await fetch("/api/suggestions/upload", { method: "POST", body: fd });
  if (!res.ok) throw new Error("upload failed");
  return (await res.json()).url;
}

function wireComposer() {
  const send = $("s-send");
  const body = $("s-body");
  if (!send || !body) return;

  // Paste-to-attach: drop an image embed into the body.
  body.addEventListener("paste", async (ev) => {
    const item = [...(ev.clipboardData?.items || [])].find((i) => i.type.startsWith("image/"));
    if (!item) return;
    ev.preventDefault();
    $("s-status").textContent = "Uploading image…";
    try {
      const url = await uploadImage(item.getAsFile());
      body.value += `\n\n![pasted image](${url})`;
      $("s-status").textContent = "Image attached.";
    } catch {
      $("s-status").textContent = "Image upload failed.";
    }
  });

  send.addEventListener("click", async () => {
    const title = $("s-title").value.trim();
    if (title.length < 3) { $("s-status").textContent = "Add a longer title."; return; }
    send.disabled = true;
    $("s-status").textContent = "Sending…";
    try {
      const res = await fetch("/api/suggestions", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ title, body: body.value }),
      });
      if (!res.ok) throw new Error();
      $("s-title").value = "";
      body.value = "";
      $("s-status").textContent = "Thanks! Sent.";
      loadIssues();
    } catch {
      $("s-status").textContent = "Could not send — try again.";
    } finally {
      send.disabled = false;
    }
  });
}

wireComposer();
loadIssues();