<?php
require_once __DIR__ . '/../includes/bootstrap.php';
$admin = require_admin();
$pdo = get_db();
$errors = [];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    verify_csrf();
    $action = $_POST['action'] ?? '';
    if ($action === 'settings') {
        set_setting('status_page_enabled', !empty($_POST['enabled']) ? '1' : '0');
        $title = trim(mb_substr((string) ($_POST['title'] ?? ''), 0, 80));
        set_setting('status_page_title', $title !== '' ? $title : 'Systemstatus');
        audit_log($admin['id'], 'Statusseite: Einstellungen geändert');
        flash('success', 'Einstellungen gespeichert.');
    } elseif ($action === 'component_save') {
        $id = (int) ($_POST['id'] ?? 0) ?: null;
        $categoryId = (int) ($_POST['category_id'] ?? 0) ?: null;
        $r = status_save_component($pdo, $id, (string) ($_POST['name'] ?? ''), (string) ($_POST['description'] ?? ''), (int) ($_POST['sort_order'] ?? 0), $categoryId);
        if ($r === null) $errors[] = 'Bitte einen Namen angeben.'; else flash('success', 'Dienst gespeichert.');
    } elseif ($action === 'component_state') {
        status_set_component($pdo, (int) ($_POST['id'] ?? 0), (string) ($_POST['status'] ?? ''));
        flash('success', 'Zustand geändert.');
    } elseif ($action === 'component_maintenance') {
        if (!status_toggle_component_maintenance($pdo, (int) ($_POST['id'] ?? 0))) $errors[] = 'Dienst konnte nicht gefunden werden.';
        else flash('success', 'Wartungsstatus geändert.');
    } elseif ($action === 'component_monitor') {
        $ok = status_set_component_monitor($pdo, (int) ($_POST['id'] ?? 0), (string) ($_POST['monitor_type'] ?? 'auto'), (string) ($_POST['monitor_target'] ?? ''));
        if (!$ok) $errors[] = 'Bitte Prüfart und eine gültige Zieladresse prüfen.';
        else flash('success', 'Automatische Prüfung gespeichert.');
    } elseif ($action === 'auto_discover') {
        $result = status_discover_and_check($pdo);
        audit_log($admin['id'], 'Statusseite: Dienste automatisch erkannt und geprüft');
        $message = count($result['recognized']) . ' Dienste erkannt, ' . $result['checked'] . ' geprüft.';
        if ($result['pending']) $message .= ' Bei ' . count($result['pending']) . ' externen Dienst(en) fehlt noch eine Prüf-URL.';
        flash('success', $message);
    } elseif ($action === 'component_category') {
        status_set_component_category($pdo, (int) ($_POST['id'] ?? 0), (int) ($_POST['category_id'] ?? 0) ?: null, (int) ($_POST['sort_order'] ?? 0));
        flash('success', 'Kategorie und Reihenfolge gespeichert.');
    } elseif ($action === 'category_order') {
        status_set_category_order($pdo, (int) ($_POST['id'] ?? 0), (int) ($_POST['sort_order'] ?? 0));
        flash('success', 'Reihenfolge gespeichert.');
    } elseif ($action === 'category_save') {
        if (!status_save_category($pdo, (string) ($_POST['name'] ?? ''))) $errors[] = 'Bitte einen Namen angeben. Kategorienamen müssen eindeutig sein.';
        else flash('success', 'Kategorie angelegt.');
    } elseif ($action === 'category_delete') {
        status_delete_category($pdo, (int) ($_POST['id'] ?? 0));
        flash('success', 'Kategorie entfernt. Zugeordnete Dienste bleiben erhalten.');
    } elseif ($action === 'component_delete') {
        status_delete_component($pdo, (int) ($_POST['id'] ?? 0));
        flash('success', 'Dienst entfernt.');
    } elseif ($action === 'component_restore_core') {
        $restored = status_restore_core_components($pdo);
        audit_log($admin['id'], 'Statusseite: fehlende DeskHub-Standarddienste wiederhergestellt');
        flash('success', 'Fehlende DeskHub-Dienste und passende Kategorien wurden hinzugefuegt. Vorhandene Eintraege blieben erhalten.');
    } elseif ($action === 'incident_create') {
        $cid = (int) ($_POST['component_id'] ?? 0) ?: null;
        $r = status_create_incident($pdo, (string) ($_POST['title'] ?? ''), (string) ($_POST['body'] ?? ''), (string) ($_POST['status'] ?? 'investigating'), $cid, ($_POST['component_state'] ?? '') !== '' ? (string) $_POST['component_state'] : null, (int) $admin['id']);
        if (!$r['ok']) $errors[] = $r['error']; else { audit_log($admin['id'], 'Statusseite: Meldung veröffentlicht'); flash('success', 'Meldung veröffentlicht.'); }
    } elseif ($action === 'incident_update') {
        $r = status_update_incident($pdo, (int) ($_POST['id'] ?? 0), (string) ($_POST['status'] ?? ''), (string) ($_POST['body'] ?? ''), (int) $admin['id'], true);
        if (!$r['ok']) $errors[] = $r['error']; else flash('success', 'Update veröffentlicht.');
    } elseif ($action === 'incident_delete') {
        status_delete_incident($pdo, (int) ($_POST['id'] ?? 0));
        flash('success', 'Meldung gelöscht.');
    }
    if (!$errors) redirect('/staff/status_page.php');
}

$components = status_components($pdo);
$categories = status_categories($pdo);
$automaticChecks = 0;
$pendingChecks = 0;
foreach ($components as $component) {
    if (status_component_monitor_target($pdo, $component) !== null) $automaticChecks++;
    elseif (($component['monitor_type'] ?? 'auto') === 'auto') $pendingChecks++;
}
$incidents = status_incidents($pdo, 60);
$states = status_component_states();
$monitorTypes = status_monitor_types();
$incStates = status_incident_states();
$pageTitle = 'Statusseite';
$activePage = 'status_page';
require __DIR__ . '/_header.php';
?>
<h1>Statusseite</h1>
<?php foreach ($errors as $err): ?><div class="flash error"><?= e($err) ?></div><?php endforeach; ?>
<p class="muted">Eine öffentliche Seite, auf der Ihre Kunden sehen, ob alles läuft, und über Störungen und Wartungen informiert werden.
  <?php if (status_page_enabled()): ?>Adresse: <a href="/status.php" target="_blank"><?= e(base_url()) ?>/status.php</a><?php endif; ?></p>
<div class="card" style="margin-bottom:16px;padding:12px 16px">
  <strong><?= $automaticChecks ?> Dienst<?= $automaticChecks === 1 ? '' : 'e' ?> werden automatisch geprüft</strong>
  <?php if ($pendingChecks): ?><span class="muted"> · <?= $pendingChecks ?> <?= $pendingChecks === 1 ? 'Dienst wartet' : 'Dienste warten' ?> auf ein Prüfziel</span><?php endif; ?>
  <div style="display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:6px">
    <span class="muted" style="font-size:.8rem">DeskHub erkennt Datenbank, API, konfigurierte Mailserver, Push-Zugang sowie Android- und Windows-Verbindungen automatisch. Android-Apps gelten bei einem API-Kontakt innerhalb der letzten 60 Minuten, Windows-Apps innerhalb der letzten 10 Minuten als verbunden. Statuspr&uuml;fungen laufen jede Minute; externe Webseiten und weitere Apps ben&ouml;tigen eine Pr&uuml;f-URL.</span>
    <div style="display:flex;gap:8px;flex-wrap:wrap">
      <form method="post"><?= csrf_field() ?><input type="hidden" name="action" value="auto_discover"><button class="btn secondary" type="submit">Jetzt erkennen und prüfen</button></form>
      <form method="post"><?= csrf_field() ?><input type="hidden" name="action" value="component_restore_core"><button class="btn" type="submit">DeskHub-Dienste automatisch hinzufügen</button></form>
    </div>
  </div>
</div>

<details class="card" style="margin-bottom:16px">
<summary style="cursor:pointer;font-weight:700">Seiteneinstellungen</summary>
<form method="post" style="margin-top:12px">
  <?= csrf_field() ?><input type="hidden" name="action" value="settings">
  <h3>Einstellungen</h3>
  <label style="display:flex;align-items:center;gap:8px;font-weight:400"><input type="checkbox" name="enabled" value="1" style="width:auto" <?= status_page_enabled() ? 'checked' : '' ?>> Statusseite für Kunden anzeigen (Link â€žStatusâ€œ im Kundenbereich)</label>
  <label for="title" style="margin-top:8px">Ãœberschrift</label>
  <input type="text" id="title" name="title" maxlength="80" value="<?= e((string) get_setting('status_page_title', 'Systemstatus')) ?>" style="max-width:340px">
  <div class="btn-row"><button type="submit" class="btn">Speichern</button></div>
</form>
</details>

<style>
.status-admin-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(320px,1fr);gap:16px;align-items:start;margin-bottom:16px}
@media(max-width:1100px){.status-admin-layout{grid-template-columns:1fr}}
.status-category-row{display:grid;grid-template-columns:minmax(0,1fr) 104px 32px;gap:8px;align-items:center;padding:9px 4px;border-bottom:1px solid var(--border,#e3e9ee)}
.status-category-head{font-size:.75rem;font-weight:700;color:var(--muted);padding:0 4px 6px}
.status-category-row form{margin:0}
.status-component-add{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0!important;padding:0!important;border:0!important}
.status-component-add input,.status-component-add select{width:100%;min-width:0;box-sizing:border-box}
.status-component-add button{grid-column:1/-1;justify-self:start}
@media(max-width:420px){.status-category-row{grid-template-columns:minmax(0,1fr) 94px 30px;gap:5px}}
</style>
<div class="status-admin-layout">
  <section class="card">
  <h3>Dienste & automatische Prüfungen</h3>
  <p class="muted">Automatisch geprüfte Dienste erhalten ihren Status selbst. Während geplanter Arbeiten kannst du sie auf Wartung setzen. Für nicht erkannte externe Dienste ist eine Prüf-URL nötig.</p>
    <div style="margin:14px 0;padding:12px;border:1px solid var(--border,#e3e9ee);border-radius:8px;background:var(--bg-soft,#f8fafc)">
    <strong style="display:block;margin-bottom:8px">Eigenen Dienst hinzuf&uuml;gen</strong>
    <form method="post" class="status-component-add"><?= csrf_field() ?><input type="hidden" name="action" value="component_save">
    <input type="text" name="name" placeholder="Neuer Dienst, z. B. Webseite" maxlength="120" required style="flex:1;min-width:180px">
    <input type="text" name="description" placeholder="Beschreibung (optional)" maxlength="255" style="flex:1;min-width:180px">
    <select name="category_id" style="flex:1;min-width:150px"><option value="">Ohne Kategorie</option><?php foreach ($categories as $category): ?><option value="<?= (int) $category['id'] ?>"><?= e($category['name']) ?></option><?php endforeach; ?></select>
    <input type="number" name="sort_order" value="<?= count($components) * 10 + 10 ?>" title="Reihenfolge" style="width:80px">
    <button class="btn" type="submit">Hinzufügen</button></form>
  </div>
  <?php if (!$components): ?><p class="muted">Noch keine Dienste. Legen Sie unten zum Beispiel Webseite, E-Mail oder Telefon an.</p><?php endif; ?>
  <?php foreach ($components as $c): $st = $states[$c['status']] ?? $states['operational']; ?>
    <div style="display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:8px 0;border-top:1px solid var(--border,#e3e9ee)">
      <?php
        $checkInfo = status_component_monitor_target($pdo, $c);
        $selectedMonitorType = ($c['monitor_type'] ?? 'auto') === 'auto' && $checkInfo ? $checkInfo['type'] : (string) ($c['monitor_type'] ?? 'auto');
        $monitorTargetValue = trim((string) ($c['monitor_target'] ?? ''));
        if ($monitorTargetValue === '' && $checkInfo && $checkInfo['type'] === 'http') $monitorTargetValue = (string) $checkInfo['target'];
        $showsDetectedTargets = $checkInfo && in_array($checkInfo['type'], ['database', 'mail', 'fcm', 'android_app', 'windows_app'], true);
        $detectedTargets = $showsDetectedTargets ? status_component_detected_targets($pdo, $checkInfo) : [];
      ?>
      <div style="flex:1;min-width:180px"><strong><?= e($c['name']) ?></strong><?php if ($c['description']): ?><div class="muted" style="font-size:.8rem"><?= e($c['description']) ?></div><?php endif; ?>
        <div class="muted" style="font-size:.76rem;margin-top:3px"><?php if ($checkInfo): ?>Automatische Prüfung: <?= e($checkInfo['label']) ?> · <?= $c['last_checked_at'] ? 'zuletzt ' . e(format_dt((string) $c['last_checked_at'])) : 'wartet auf ersten Lauf' ?><?php elseif (($c['monitor_type'] ?? 'auto') === 'manual'): ?>Manuell verwaltet<?php else: ?>Prüfziel fehlt – wartet auf Zuordnung<?php endif; ?><?php if (!empty($c['last_check_ms'])): ?> · <?= (int) $c['last_check_ms'] ?> ms<?php endif; ?></div>
        <?php if (!empty($c['last_check_error'])): ?><div style="color:#b91c1c;font-size:.76rem"><?= e((string) $c['last_check_error']) ?></div><?php endif; ?>
      </div>
      <form method="post" style="display:flex;gap:5px;align-items:center"><?= csrf_field() ?><input type="hidden" name="action" value="component_category"><input type="hidden" name="id" value="<?= (int) $c['id'] ?>"><select name="category_id" aria-label="Kategorie für <?= e($c['name']) ?>" style="max-width:170px;padding:5px"><option value="">Ohne Kategorie</option><?php foreach ($categories as $category): ?><option value="<?= (int) $category['id'] ?>" <?= (int) ($c['category_id'] ?? 0) === (int) $category['id'] ? 'selected' : '' ?>><?= e($category['name']) ?></option><?php endforeach; ?></select><input type="number" name="sort_order" value="<?= (int) $c['sort_order'] ?>" title="Reihenfolge" aria-label="Reihenfolge für <?= e($c['name']) ?>" style="width:58px;padding:4px"><button class="btn secondary" type="submit" style="padding:4px 8px;font-size:.78rem">Speichern</button></form>
      <?php if ($checkInfo): ?>
        <div style="display:flex;gap:8px;align-items:center;white-space:nowrap">
          <span style="color:<?= e($st[1]) ?>;font-weight:600"><?= e($st[0]) ?></span>
          <form method="post"><?= csrf_field() ?><input type="hidden" name="action" value="component_maintenance"><input type="hidden" name="id" value="<?= (int) $c['id'] ?>"><button class="btn secondary" type="submit" style="padding:4px 8px;font-size:.78rem"><?= $c['status'] === 'maintenance' ? 'Wartung beenden' : 'Wartung aktivieren' ?></button></form>
        </div>
      <?php else: ?>
        <form method="post" style="display:flex;gap:6px;align-items:center"><?= csrf_field() ?><input type="hidden" name="action" value="component_state"><input type="hidden" name="id" value="<?= (int) $c['id'] ?>">
          <select name="status" onchange="this.form.submit()" style="color:<?= e($st[1]) ?>;font-weight:600"><?php foreach ($states as $k => $s): ?><option value="<?= e($k) ?>" <?= $c['status'] === $k ? 'selected' : '' ?>><?= e($s[0]) ?></option><?php endforeach; ?></select></form>
      <?php endif; ?>
      <form method="post" onsubmit="return confirm('Dienst entfernen?')"><?= csrf_field() ?><input type="hidden" name="action" value="component_delete"><input type="hidden" name="id" value="<?= (int) $c['id'] ?>"><button class="btn secondary" type="submit" style="padding:2px 10px;font-size:.78rem">Entfernen</button></form>
    </div>
    <details style="padding:0 0 10px 0;border-bottom:1px solid var(--border,#e3e9ee)">
      <summary style="cursor:pointer;color:var(--muted,#64748b);font-size:.82rem">Prüfung konfigurieren</summary>
      <form method="post" style="display:flex;gap:8px;flex-wrap:wrap;align-items:end;padding:10px 0"><?= csrf_field() ?><input type="hidden" name="action" value="component_monitor"><input type="hidden" name="id" value="<?= (int) $c['id'] ?>">
        <div><label>Prüfart</label><select name="monitor_type"><?php foreach ($monitorTypes as $type => $label): ?><option value="<?= e($type) ?>" <?= $selectedMonitorType === $type ? 'selected' : '' ?>><?= e($label) ?></option><?php endforeach; ?></select></div>
        <?php if ($showsDetectedTargets): ?>
          <div style="flex:1;min-width:220px"><label>Automatisch erkannte Pr&uuml;fziele</label><div style="min-height:38px;box-sizing:border-box;padding:9px 12px;border:1px solid var(--border,#d8e0e8);border-radius:8px;background:var(--surface,#f5f7f9)"><?php if ($detectedTargets): ?><?= e(implode(' · ', $detectedTargets)) ?><?php else: ?>Keine passenden Ziele in der Dienst-Konfiguration gefunden<?php endif; ?></div></div>
        <?php else: ?>
          <div style="flex:1;min-width:220px"><label>Pr&uuml;f-URL oder Host:Port</label><input type="text" name="monitor_target" value="<?= e($monitorTargetValue) ?>" placeholder="https://example.com"></div>
        <?php endif; ?>
        <button class="btn secondary" type="submit">Prüfung speichern</button>
      </form>
      </details>
  <?php endforeach; ?>
  

  </section>
  <section class="card">
    <h3 style="margin-top:0">Kategorien verwalten (<?= count($categories) ?>)</h3>
  <form method="post" style="display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px"><?= csrf_field() ?><input type="hidden" name="action" value="category_save"><input type="text" name="name" placeholder="Neue Kategorie, z. B. API-Schnittstellen" maxlength="80" required style="flex:1;min-width:200px"><button class="btn" type="submit">Kategorie anlegen</button></form>
  <?php if ($categories): ?><div style="border-top:1px solid var(--border,#e3e9ee)">
    <div class="status-category-row status-category-head"><span>Kategorie</span><span>Reihenfolge</span><span></span></div>
    <?php foreach ($categories as $category): ?><div class="status-category-row">
      <span><?= e($category['name']) ?></span>
      <form method="post" style="display:flex;gap:4px;align-items:center"><?= csrf_field() ?><input type="hidden" name="action" value="category_order"><input type="hidden" name="id" value="<?= (int) $category['id'] ?>"><input type="number" name="sort_order" value="<?= (int) $category['sort_order'] ?>" title="Reihenfolge" aria-label="Reihenfolge für <?= e($category['name']) ?>" style="width:58px;padding:3px"><button class="btn secondary" type="submit" style="padding:2px 6px;font-size:.76rem" aria-label="Reihenfolge speichern">&#8597;</button></form>
      <form method="post" onsubmit="return confirm('Kategorie entfernen? Zugeordnete Dienste bleiben ohne Kategorie erhalten.')"><?= csrf_field() ?><input type="hidden" name="action" value="category_delete"><input type="hidden" name="id" value="<?= (int) $category['id'] ?>"><button class="btn secondary" type="submit" aria-label="Kategorie <?= e($category['name']) ?> entfernen" style="padding:1px 7px">&times;</button></form>
    </div><?php endforeach; ?>
  </div><?php else: ?><p class="muted">Noch keine Kategorien angelegt.</p><?php endif; ?>
  </section>
</div>

<details class="card" style="max-width:820px;margin-bottom:16px">
<summary style="cursor:pointer;font-weight:700">Störung oder Wartung melden</summary>
<form method="post" style="margin-top:12px"><?= csrf_field() ?><input type="hidden" name="action" value="incident_create">
  <h3>Neue Meldung (Störung oder Wartung)</h3>
  <label for="inc_title">Titel</label><input type="text" id="inc_title" name="title" maxlength="200" required placeholder="z. B. E-Mail-Versand verzögert">
  <label for="inc_body" style="margin-top:8px">Beschreibung</label><textarea id="inc_body" name="body" rows="3" maxlength="4000"></textarea>
  <div style="display:flex;gap:12px;flex-wrap:wrap;margin-top:8px">
    <div><label>Stufe</label><select name="status"><?php foreach ($incStates as $k => $l): ?><option value="<?= e($k) ?>"><?= e($l) ?></option><?php endforeach; ?></select></div>
    <div><label>Betrifft</label><select name="component_id"><option value="">– kein bestimmter Dienst –</option><?php foreach ($components as $c): ?><option value="<?= (int) $c['id'] ?>"><?= e($c['name']) ?></option><?php endforeach; ?></select></div>
    <div><label>Dienst setzen auf</label><select name="component_state"><option value="">– nicht ändern –</option><?php foreach ($states as $k => $s): ?><option value="<?= e($k) ?>"><?= e($s[0]) ?></option><?php endforeach; ?></select></div>
  </div>
  <div class="btn-row"><button type="submit" class="btn">Veröffentlichen</button></div>
</form>
</details>

<details class="card" style="max-width:820px">
  <summary style="cursor:pointer;font-weight:700">Meldungen (<?= count($incidents) ?>)</summary>
  <?php if (!$incidents): ?><p class="muted">Keine Meldungen in den letzten 60 Tagen.</p><?php endif; ?>
  <?php foreach ($incidents as $i): ?>
    <div style="padding:10px 0;border-top:1px solid var(--border,#e3e9ee)">
      <strong><?= e($i['title']) ?></strong>
      <span class="muted" style="font-size:.8rem">· <?= e(format_dt((string) $i['created_at'])) ?><?= $i['component_name'] ? ' · ' . e($i['component_name']) : '' ?> · <?= e($incStates[$i['status']] ?? $i['status']) ?></span>
      <?php foreach ($i['updates'] as $u): ?><div style="font-size:.86rem;margin-top:3px"><span class="muted"><?= e($incStates[$u['status']] ?? $u['status']) ?>:</span> <?= nl2br(e((string) $u['body'])) ?></div><?php endforeach; ?>
      <?php if ($i['status'] !== 'resolved'): ?>
        <form method="post" style="display:flex;gap:6px;flex-wrap:wrap;margin-top:6px"><?= csrf_field() ?><input type="hidden" name="action" value="incident_update"><input type="hidden" name="id" value="<?= (int) $i['id'] ?>">
          <select name="status"><?php foreach ($incStates as $k => $l): ?><option value="<?= e($k) ?>" <?= $k === $i['status'] ? 'selected' : '' ?>><?= e($l) ?></option><?php endforeach; ?></select>
          <input type="text" name="body" placeholder="Update für die Kunden" maxlength="4000" style="flex:1;min-width:200px">
          <button class="btn secondary" type="submit">Update senden</button></form>
      <?php endif; ?>
      <form method="post" onsubmit="return confirm('Meldung löschen?')" style="margin-top:4px"><?= csrf_field() ?><input type="hidden" name="action" value="incident_delete"><input type="hidden" name="id" value="<?= (int) $i['id'] ?>"><button class="btn secondary" type="submit" style="padding:2px 10px;font-size:.76rem">Löschen</button></form>
    </div>
  <?php endforeach; ?>
</details>
<?php require __DIR__ . '/_footer.php'; ?>