"""HTML-Geruest und Stylesheet der Web-Oberflaeche.

Alles ist eingebettet - die Seite laedt nichts aus dem Internet nach und
funktioniert damit auch in abgeschotteten Netzen.
"""

from __future__ import annotations

STYLE = """
:root {
  color-scheme: light dark;
  --bg: #f6f7f9; --fg: #1c1f24; --muted: #6b7280; --line: #d8dce3;
  --card: #ffffff; --accent: #2563eb; --accent-fg: #ffffff; --hover: #eef2ff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d; --fg: #e6e8ec; --muted: #9aa1ac; --line: #2c313a;
    --card: #1e2127; --accent: #4b82f0; --accent-fg: #0b0d10; --hover: #232a39;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: .7rem 1rem; display: flex; gap: 1rem; align-items: center;
  flex-wrap: wrap; position: sticky; top: 0; z-index: 5;
}
header h1 { font-size: 1rem; margin: 0; font-weight: 650; }
header .spacer { flex: 1 1 auto; }
main { padding: 1rem; max-width: 1200px; margin: 0 auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: .25rem .75rem; margin-bottom: 1rem;
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--hover); }
td.size, th.size { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
td.when, th.when { white-space: nowrap; color: var(--muted); font-size: .9em; }
td.pick { width: 2.2rem; }
.name { display: flex; gap: .5rem; align-items: center; word-break: break-all; }
.icon { width: 1.2rem; text-align: center; flex: 0 0 auto; }
button, .button {
  font: inherit; padding: .4rem .8rem; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--fg);
}
button.primary, .button.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
button:hover, .button:hover { filter: brightness(1.08); text-decoration: none; }
.bar { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin: .75rem 0; }
.crumbs { display: flex; gap: .3rem; flex-wrap: wrap; align-items: center; word-break: break-all; }
.crumbs span { color: var(--muted); }
.note {
  border-left: 3px solid var(--accent); background: var(--card);
  padding: .6rem .8rem; border-radius: 0 8px 8px 0; margin-bottom: 1rem;
}
.warn { border-left-color: #d9534f; }
.pill {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  background: var(--hover); font-size: .82em; color: var(--muted);
}
input[type=checkbox] { width: 1.05rem; height: 1.05rem; }
.empty { padding: 2rem 1rem; text-align: center; color: var(--muted); }
.login { max-width: 26rem; margin: 3rem auto; }
.login .card { padding: 1rem; display: flex; flex-direction: column; gap: .8rem; }
.login label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem;
               color: var(--muted); }
.login input, .login select {
  font: inherit; color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 7px; padding: .5rem .6rem;
}
.login button { margin-top: .3rem; padding: .55rem; }
@media (max-width: 640px) {
  td.when, th.when { display: none; }
  main { padding: .5rem; }
}
"""

# Auswahl-Kaestchen: "alle" umschalten und Anzahl anzeigen.
SCRIPT = """
function pvesnapInit() {
  var all = document.getElementById('pick-all');
  var boxes = Array.prototype.slice.call(document.querySelectorAll('.pick-one'));
  var info = document.getElementById('pick-info');
  function update() {
    var n = boxes.filter(function (b) { return b.checked; }).length;
    if (info) { info.textContent = n ? (n + ' ausgewaehlt') : ''; }
    if (all) { all.checked = n > 0 && n === boxes.length; }
  }
  if (all) {
    all.addEventListener('change', function () {
      boxes.forEach(function (b) { b.checked = all.checked; });
      update();
    });
  }
  boxes.forEach(function (b) { b.addEventListener('change', update); });
  update();
}
document.addEventListener('DOMContentLoaded', pvesnapInit);
"""

LOGIN_FORM = """
<div class="login">
  %(note)s
  <h2>Anmeldung</h2>
  <p class="muted">Mit den Benutzern von Proxmox VE - dieselben Zugangsdaten
     wie im Proxmox-Webinterface.</p>
  <form method="post" action="/login" class="card" autocomplete="on">
    <label>Benutzername
      <input name="username" value="%(username)s" autofocus required
             autocomplete="username">
    </label>
    <label>Passwort
      <input name="password" type="password" required
             autocomplete="current-password">
    </label>
    <label>Realm
      <select name="realm">%(realms)s</select>
    </label>
    <button class="primary" type="submit">Anmelden</button>
  </form>
</div>
"""

PAGE = """<!doctype html>
<html lang="de">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>%(title)s</title>
<style>%(style)s</style>
<script>%(script)s</script>
</head>
<body>
<header>
  <h1><a href="%(home)s">pvesnap</a></h1>
  <span class="muted">%(subtitle)s</span>
  <span class="spacer"></span>
  %(actions)s
</header>
<main>
%(body)s
</main>
</body>
</html>
"""