imap-mail-filter-service/app/templates/yaml.html

{% extends "base.html" %}
{% block title %}Import / Export — IMAP Mail Filter{% endblock %}
{% block content %}
<h1>Import / Export</h1>

<h2>Komplett-Backup</h2>
<p>Enthält alles: Konten (inkl. Passwörter), Filterregeln und Verarbeitungsstatus. Der Encryption-Key muss beim Import identisch sein.</p>
<div class="grid">
    <article>
        <header><h3>Backup erstellen</h3></header>
        <p>Gesamte Konfiguration als JSON-Datei herunterladen.</p>
        <label style="display:flex; align-items:center; gap:0.5rem; margin-bottom:0.25rem;">
            <input type="checkbox" id="backup-include-processed" style="margin-bottom:0;">
            Verarbeitungsstatus mit sichern <small style="opacity:0.7;">(Marker, welche Mails schon verarbeitet wurden — kann sehr groß werden)</small>
        </label>
        <label style="display:flex; align-items:center; gap:0.5rem; margin-bottom:0.5rem;">
            <input type="checkbox" id="backup-include-logs" style="margin-bottom:0;">
            Logs mit sichern <small style="opacity:0.7;">(Datei wird deutlich größer)</small>
        </label>
        <button id="backup-download-btn" onclick="exportBackup()">Backup herunterladen</button>
        <div id="backup-export-status" style="margin-top:0.5rem;"></div>
    </article>

    <article>
        <header><h3>Backup wiederherstellen</h3></header>
        <p>Backup-Datei hochladen. Bestehende Konten werden aktualisiert, neue angelegt.</p>
        <form id="backup-import-form">
            <input type="file" name="file" accept=".json" required>
            <button type="submit">Wiederherstellen</button>
        </form>
        <div id="backup-result" style="display:none"></div>
    </article>
</div>

<hr>

<h2>YAML Filterregeln</h2>
<p>Nur Konten und Filterregeln — ohne Passwörter (können als Umgebungsvariablen referenziert werden).</p>
<div class="grid">
    <article>
        <header><h3>YAML Export</h3></header>
        <button onclick="exportYaml()">YAML exportieren</button>
        <pre id="yaml-preview" style="max-height: 300px; overflow-y: auto; display: none; margin-top: 1rem;"></pre>
    </article>

    <article>
        <header><h3>YAML Import</h3></header>
        <form id="yaml-import-form">
            <input type="file" name="file" accept=".yaml,.yml" required>
            <button type="submit">Importieren</button>
        </form>
        <div id="yaml-result" style="display:none"></div>
    </article>
</div>
{% endblock %}

{% block scripts %}
<script>
async function exportBackup() {
    const includeLogs = document.getElementById('backup-include-logs').checked;
    const includeProcessed = document.getElementById('backup-include-processed').checked;
    const btn = document.getElementById('backup-download-btn');
    const statusDiv = document.getElementById('backup-export-status');
    btn.setAttribute('aria-busy', 'true');
    btn.disabled = true;
    const heavy = includeLogs || includeProcessed;
    statusDiv.innerHTML = `<small>Backup wird erstellt${heavy ? ' (kann dauern...)' : ''}</small>`;
    try {
        const params = new URLSearchParams();
        if (includeLogs) params.set('include_logs', 'true');
        if (includeProcessed) params.set('include_processed', 'true');
        const url = `/api/yaml/backup${params.toString() ? '?' + params.toString() : ''}`;
        const resp = await fetch(url);
        if (!resp.ok) {
            const text = await resp.text().catch(() => '');
            throw new Error(`HTTP ${resp.status}: ${text || resp.statusText}`);
        }
        const blob = await resp.blob();
        const disposition = resp.headers.get('Content-Disposition') || '';
        const match = disposition.match(/filename=([^;]+)/);
        const filename = match ? match[1].trim().replace(/^"|"$/g, '') : 'mailfilter-backup.json';
        const downloadUrl = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = downloadUrl;
        a.download = filename;
        document.body.appendChild(a);
        a.click();
        a.remove();
        URL.revokeObjectURL(downloadUrl);
        const sizeMb = (blob.size / 1024 / 1024).toFixed(2);
        statusDiv.innerHTML = `<small>Backup heruntergeladen (${sizeMb} MB).</small>`;
    } catch (e) {
        statusDiv.innerHTML = `<small style="color:var(--pico-color-red-500, #b00);">Fehler: ${e.message}</small>`;
    } finally {
        btn.removeAttribute('aria-busy');
        btn.disabled = false;
    }
}

document.getElementById('backup-import-form').addEventListener('submit', async (e) => {
    e.preventDefault();
    if (!confirm('Backup wiederherstellen?\n\nBestehende Konten mit gleichem Benutzernamen/Server werden überschrieben.')) return;
    const formData = new FormData(e.target);
    const resp = await fetch('/api/yaml/backup', {method: 'POST', body: formData});
    const result = await resp.json();
    const div = document.getElementById('backup-result');
    div.style.display = 'block';
    if (result.error) {
        div.innerHTML = `<article role="alert">Fehler: ${result.error}</article>`;
    } else {
        div.innerHTML = `<article>
            Backup wiederhergestellt!<br>
            Konten erstellt: ${result.accounts_created}<br>
            Konten aktualisiert: ${result.accounts_updated}<br>
            Regeln erstellt: ${result.rules_created}<br>
            Verarbeitungsstatus: ${result.processed_restored} Einträge<br>
            Logs wiederhergestellt: ${result.logs_restored ?? 0} Einträge
        </article>`;
    }
});

async function exportYaml() {
    const resp = await fetch('/api/yaml/export');
    const text = await resp.text();
    const pre = document.getElementById('yaml-preview');
    pre.textContent = text;
    pre.style.display = 'block';

    const blob = new Blob([text], {type: 'text/yaml'});
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = 'filters.yaml';
    a.click();
    URL.revokeObjectURL(url);
}

document.getElementById('yaml-import-form').addEventListener('submit', async (e) => {
    e.preventDefault();
    const formData = new FormData(e.target);
    const resp = await fetch('/api/yaml/import', {method: 'POST', body: formData});
    const result = await resp.json();
    const div = document.getElementById('yaml-result');
    div.style.display = 'block';
    if (result.error) {
        div.innerHTML = `<article role="alert">Fehler: ${result.error}</article>`;
    } else {
        div.innerHTML = `<article>
            Import erfolgreich!<br>
            Konten erstellt: ${result.accounts_created}<br>
            Konten aktualisiert: ${result.accounts_updated}<br>
            Regeln erstellt: ${result.rules_created}
        </article>`;
    }
});
</script>
{% endblock %}