window.addEventListener('DOMContentLoaded', () => {
  bootstrapAdmin();
});

const API_BASE = "http://10.0.0.66:7455/api";

// Small helper: fetch JSON, throw on non-2xx so callers can catch() it.
async function getJSON(path) {
	const res = await fetch(`${API_BASE}${path}`);
	if (!res.ok) throw new Error(`${path} responded ${res.status}`);
	return res.json();
}

function timeAgo(isoString) {
	const diffMs = Date.now() - new Date(isoString).getTime();
	const mins = Math.floor(diffMs / 60000);
	if (mins < 60) return `${mins}m ago`;
	const hours = Math.floor(mins / 60);
	if (hours < 24) return `${hours}h ago`;
	return `${Math.floor(hours / 24)}d ago`;
}

function escapeHtml(str) {
	const div = document.createElement("div");
	div.textContent = str;
	return div.innerHTML;
}

// ---------- News ----------
async function loadNews() {
	const el = document.getElementById("news-list");
	try {
		const posts = await getJSON("/news?limit=10");
		if (posts.length === 0) {
			el.innerHTML = `<div class="item-card"><p class="item-content">No news yet.</p></div>`;
			return;
		}
		el.innerHTML = posts.map(post => `
        <div class="item-card">
          <p class="item-title">${escapeHtml(post.title)}<span class="item-timestamp">${timeAgo(post.created_at)}</span></p>
          <p class="item-content">${escapeHtml(post.content)}</p>
        </div>
      `).join("");
	} catch (err) {
		console.error("Failed to load news:", err);
		el.innerHTML = `<div class="item-card"><p class="item-content">Couldn't load news right now.</p></div>`;
	}
}

// ---------- Media ----------
async function loadMedia() {
	const el = document.getElementById("media-grid");
	try {
		const items = await getJSON("/media?limit=8");
		if (items.length === 0) {
			el.innerHTML = `<div class="media-item"><p class="media-title">No media yet.</p></div>`;
			return;
		}
		el.innerHTML = items.map(item => `
        <div class="media-item">
          <p class="media-title">${escapeHtml(item.title)}</p>
          ${item.media_type === "video"
				? `<video class="img-embed" src="${escapeHtml(item.url)}" controls style="width:100%;height:auto;background:#000;"></video>`
				: `<img class="img-embed" src="${escapeHtml(item.url)}" alt="${escapeHtml(item.title)}" style="width:100%;height:auto;object-fit:cover;">`
			}
        </div>
      `).join("");
	} catch (err) {
		console.error("Failed to load media:", err);
		el.innerHTML = `<div class="media-item"><p class="media-title">Couldn't load media right now.</p></div>`;
	}
}

// ---------- Overview (current users / recent activity / general stats) ----------
async function loadOverview() {
	const usersEl = document.getElementById("current-users");
	const activityEl = document.getElementById("recent-activity");
	const generalEl = document.getElementById("general-stats");

	try {
		const data = await getJSON("/stats/overview");

		usersEl.innerHTML = data.currentUsers.length
			? data.currentUsers.map(u => `
            <div class="stat-row"><span>${escapeHtml(u.username)}</span><span class="val">now</span></div>
          `).join("")
			: `<div class="stat-row"><span>No one online</span><span class="val"></span></div>`;

		activityEl.innerHTML = data.recentActivity.length
			? data.recentActivity.map(a => `
            <div class="stat-row"><span>${escapeHtml(a.description)}</span><span class="val">${timeAgo(a.created_at)}</span></div>
          `).join("")
			: `<div class="stat-row"><span>No recent activity</span><span class="val"></span></div>`;

		const { users, reports, build } = data.general;
		generalEl.innerHTML = `
        <div class="stat-card">
          <h4>Users</h4>
          <p>Total: ${users.total}<br>Recent: ${users.mostRecent ? escapeHtml(users.mostRecent.username) : "—"}</p>
        </div>
        <div class="stat-card">
          <h4>Reports</h4>
          <p>Named: ${reports.named}<br>Associated: ${reports.associated}<br>Logged: ${reports.logged} time(s)</p>
        </div>
        <div class="stat-card">
          <h4>Build</h4>
          <p>Pipeline: ${build.pipeline}<br>Build: ${build.buildNumber}<br>Version: ${build.version}</p>
        </div>
      `;
	} catch (err) {
		console.error("Failed to load overview stats:", err);
		usersEl.innerHTML = `<div class="stat-row"><span>no active users!</span><span class="val"></span></div>`;
		activityEl.innerHTML = `<div class="stat-row"><span>no activity!</span><span class="val"></span></div>`;
		generalEl.innerHTML = `<div class="stat-card"><h4>no statistics!</h4></div>`;
	}
}

function loadAll() {
	loadNews();
	loadMedia();
	loadOverview();
}

async function bootstrapAdmin() {
  try {
    await loadAll();
  } finally {
    document.body.classList.remove('is-loading');
  }

  setInterval(loadOverview, 30000);
}
// Keep "current users" / "recent activity" feeling live without a full reload.
setInterval(loadOverview, 30000);