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uptimer2
File size: 4,831 Bytes 
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const tbody = document.getElementById("statusTbody");
const lastRefresh = document.getElementById("lastRefresh");
const checkNowBtn = document.getElementById("checkNowBtn");
const addSiteBtn = document.getElementById("addSiteBtn");
const addDialog = document.getElementById("addDialog");
const addForm = document.getElementById("addForm");
const cancelAdd = document.getElementById("cancelAdd");
const siteName = document.getElementById("siteName");
const siteUrl = document.getElementById("siteUrl");

const incidentPane = document.getElementById("incidentPane");
const incidentTitle = document.getElementById("incidentTitle");
const incidentsList = document.getElementById("incidentsList");
const closeIncidents = document.getElementById("closeIncidents");

function fmtTs(s){
  if(!s) return "—";
  const d = new Date(s);
  return d.toLocaleString();
}
function fmtPct(v){
  if(v === null || v === undefined) return "—";
  return `${v.toFixed ? v.toFixed(2) : v}%`;
}
function dot(ok){
  return `<span class="dot ${ok ? 'green':'red'}" title="${ok?'UP':'DOWN'}"></span>`;
}

async function fetchStatus(){
  const res = await fetch("/api/status");
  const data = await res.json();
  tbody.innerHTML = "";
  data.forEach(item => {
    const last = item.last || {};
    const tr = document.createElement("tr");
    tr.innerHTML = `
      <td>${dot(last.ok)}</td>
      <td>${item.name}</td>
      <td><a class="url" href="${item.url}" target="_blank" rel="noopener">${item.url}</a></td>
      <td>${fmtTs(last.ts)}</td>
      <td>${last.ms ?? "—"}</td>
      <td>${last.status_code ?? "—"}</td>
      <td><span class="badge">${fmtPct(item.uptime24h)}</span></td>
      <td><span class="badge">${fmtPct(item.uptime7d)}</span></td>
      <td class="row-actions">
        <button class="ghost" data-action="incidents" data-url="${item.url}" data-name="${item.name}">Incidents</button>
        <button class="ghost" data-action="delete" data-url="${item.url}">Delete</button>
      </td>
    `;
    tbody.appendChild(tr);
  });
  lastRefresh.textContent = `Last refresh: ${new Date().toLocaleTimeString()}`;
}

async function checkNow(){
  checkNowBtn.disabled = true;
  try{
    await fetch("/api/check-now", {method:"POST"});
    await fetchStatus();
  } finally {
    checkNowBtn.disabled = false;
  }
}

function openAdd(){
  siteName.value = "";
  siteUrl.value = "";
  addDialog.showModal();
}
function closeAdd(){
  addDialog.close();
}

addForm.addEventListener("submit", async (e) => {
  e.preventDefault();
  const body = { name: siteName.value || siteUrl.value, url: siteUrl.value };
  if(!body.url) return;
  const res = await fetch("/api/sites", {
    method:"POST",
    headers: { "Content-Type":"application/json" },
    body: JSON.stringify(body)
  });
  if (res.ok){
    closeAdd();
    await fetchStatus();
  } else {
    const msg = await res.text();              // <-- show backend detail
    alert("Failed to add site:\n" + msg);
  }
});


cancelAdd.addEventListener("click", (e)=>{ e.preventDefault(); closeAdd(); });

tbody.addEventListener("click", async (e) => {
  const btn = e.target.closest("button");
  if(!btn) return;
  const action = btn.dataset.action;
  const url = btn.dataset.url;
  if(action === "delete"){
    if(confirm(`Delete monitor for:\n${url}?`)){
      await fetch(`/api/sites?url=${encodeURIComponent(url)}`, { method: "DELETE" });
      await fetchStatus();
    }
  }
  if(action === "incidents"){
    await loadIncidents(url, btn.dataset.name || url);
  }
});

async function loadIncidents(url, name){
  const res = await fetch(`/api/incidents?url=${encodeURIComponent(url)}`);
  const data = await res.json();
  incidentPane.classList.remove("hidden");
  incidentTitle.textContent = `Incidents — ${name}`;
  if(!data.length){
    incidentsList.innerHTML = `<div class="muted" style="padding:8px 2px">No incidents recorded.</div>`;
    return;
  }
  incidentsList.innerHTML = "";
  data.forEach(x => {
    const end = x.end_ts ? new Date(x.end_ts) : null;
    const start = new Date(x.start_ts);
    const durationMin = end ? Math.max(0, Math.round((end - start)/60000)) : null;
    const div = document.createElement("div");
    div.className = "incident";
    div.innerHTML = `
      <div>
        <div><strong class="down">DOWN</strong> ${start.toLocaleString()}</div>
        ${end ? `<div><strong class="ok">UP</strong> ${end.toLocaleString()}</div>` : `<div class="muted">ongoing...</div>`}
      </div>
      <div class="muted">${durationMin !== null ? durationMin + " min" : ""}</div>
    `;
    incidentsList.appendChild(div);
  });
}
closeIncidents.addEventListener("click", ()=> incidentPane.classList.add("hidden"));

checkNowBtn.addEventListener("click", checkNow);
addSiteBtn.addEventListener("click", openAdd);

fetchStatus();
setInterval(fetchStatus, 30000);