{% extends "base.html" %}
{% block title %}Admin — Serier{% endblock %}
{% block content %}
<a href="/admin" style="color:var(--text-muted);text-decoration:none;font-size:0.9rem;">&larr; Admin</a>
<h1 style="margin-top:12px;">📦 Serier</h1>

<div style="display:flex;gap:24px;flex-wrap:wrap;margin:20px 0;">
    <div class="card" style="flex:1;min-width:280px;">
        <h3>Opret serie</h3>
        <form onsubmit="createSerie(event)" style="display:flex;flex-direction:column;gap:10px;margin-top:12px;">
            <input type="text" id="serie-name" placeholder="Navn (f.eks. Sword & Shield)" required>
            <input type="text" id="serie-desc" placeholder="Beskrivelse (valgfri)">
            <button class="btn btn-primary">Opret</button>
        </form>
    </div>

    <div class="card" style="flex:1;min-width:280px;">
        <h3>CSV-import</h3>
        <p style="font-size:0.85rem;color:var(--text-muted);margin:8px 0;">
            Kolonner: <code>name,description</code>
            <br><a href="/api/admin/templates/series.csv" style="color:var(--accent);">Download skabelon</a>
        </p>
        <form onsubmit="importSeries(event)" style="display:flex;flex-direction:column;gap:10px;">
            <input type="file" id="series-csv" accept=".csv" required>
            <button class="btn btn-primary">Importer</button>
        </form>
        <div id="series-import-result" style="margin-top:8px;"></div>
    </div>
</div>

<h2>Eksisterende serier</h2>
<table>
    <thead>
        <tr><th>Navn</th><th>Sæt</th><th>Handling</th></tr>
    </thead>
    <tbody id="series-list">
        {% for s in series %}
        <tr id="serie-{{ s.id }}">
            <td><a href="/admin/series/{{ s.name|urlencode }}" style="color:var(--text);font-weight:600;">{{ s.name }}</a></td>
            <td>{{ s.sets|length }}</td>
            <td>
                <a href="/admin/series/{{ s.name|urlencode }}" class="btn btn-outline btn-sm">Se sæt</a>
                <button class="btn btn-danger btn-sm" onclick="deleteSerie({{ s.id }})">Slet</button>
            </td>
        </tr>
        {% endfor %}
    </tbody>
</table>

{% if series|length == 0 %}
<div class="card" style="text-align:center;color:var(--text-muted);margin-top:16px;">
    <p>Ingen serier endnu.</p>
</div>
{% endif %}

<script>
async function createSerie(e) {
    e.preventDefault();
    const name = document.getElementById('serie-name').value.trim();
    const desc = document.getElementById('serie-desc').value.trim();
    if (!name) return;
    const res = await fetch('/api/admin/series', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({name, description: desc || null})
    });
    const data = await res.json();
    if (data.ok) {
        location.reload();
    } else {
        alert(data.detail || 'Fejl');
    }
}

async function deleteSerie(id) {
    if (!confirm('Slet denne serie og alle dens sæt og kort?')) return;
    const res = await fetch('/api/admin/series/' + id, {method: 'DELETE'});
    const data = await res.json();
    if (data.ok) {
        document.getElementById('serie-' + id).remove();
    } else {
        alert('Fejl ved sletning');
    }
}

async function importSeries(e) {
    e.preventDefault();
    const file = document.getElementById('series-csv').files[0];
    if (!file) return;
    const form = new FormData();
    form.append('file', file);
    const res = await fetch('/api/admin/series/import', {method: 'POST', body: form});
    const data = await res.json();
    const el = document.getElementById('series-import-result');
    if (data.ok) {
        el.innerHTML = '<p style="color:green;">✓ ' + data.created + ' serie(r) oprettet</p>';
        if (data.errors.length) {
            el.innerHTML += '<p style="color:var(--accent);">' + data.errors.join('<br>') + '</p>';
        }
        setTimeout(() => location.reload(), 1500);
    } else {
        el.innerHTML = '<p style="color:var(--accent);">Fejl ved import</p>';
    }
}
</script>
{% endblock %}