{% extends "base.html" %}
{% block title %}Admin — {{ serie.name }}{% endblock %}
{% block content %}
<a href="/admin/series" style="color:var(--text-muted);text-decoration:none;font-size:0.9rem;">&larr; Serier</a>
<h1 style="margin-top:12px;">📦 {{ serie.name }}</h1>
{% if serie.description %}
<p style="color:var(--text-muted);margin-bottom:16px;">{{ serie.description }}</p>
{% endif %}

<div style="display:flex;gap:24px;flex-wrap:wrap;margin:20px 0;">
    <div class="card" style="flex:1;min-width:280px;">
        <h3>Opret sæt under {{ serie.name }}</h3>
        <form onsubmit="createSet(event)" style="display:flex;flex-direction:column;gap:10px;margin-top:12px;">
            <input type="hidden" id="set-serie-name" value="{{ serie.name }}">
            <input type="text" id="set-code" placeholder="Kode (f.eks. EVS)" required>
            <input type="text" id="set-name" placeholder="Navn (f.eks. Evolving Skies)" required>
            <input type="date" id="set-date" placeholder="Udgivelsesdato">
            <input type="text" id="set-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 af sæt</h3>
        <p style="font-size:0.85rem;color:var(--text-muted);margin:8px 0;">
            Kolonner: <code>code,name,release_date,description</code>
            &mdash; <strong>{{ serie.name }}</strong> udfyldes automatisk.
            <br><a href="/api/admin/templates/sets.csv" style="color:var(--accent);">Download skabelon</a>
        </p>
        <form onsubmit="importSets(event)" style="display:flex;flex-direction:column;gap:10px;">
            <input type="file" id="sets-csv" accept=".csv" required>
            <button class="btn btn-primary">Importer</button>
        </form>
        <div id="sets-import-result" style="margin-top:8px;"></div>
    </div>
</div>

<h2>Sæt i {{ serie.name }}</h2>
<table>
    <thead>
        <tr><th>Kode</th><th>Navn</th><th>Kort</th><th>Udgivet</th><th>Handling</th></tr>
    </thead>
    <tbody id="sets-list">
        {% for set in serie.sets %}
        <tr id="set-{{ set.id }}">
            <td><span class="tag">{{ set.code }}</span></td>
            <td><a href="/admin/cards/{{ set.code }}" style="color:var(--text);">{{ set.name }}</a></td>
            <td>{{ set.cards|length }}</td>
            <td>{{ set.release_date or '—' }}</td>
            <td>
                <button class="btn btn-outline btn-sm" onclick="location.href='/admin/cards/{{ set.code }}'">Kort</button>
                <button class="btn btn-danger btn-sm" onclick="deleteSet({{ set.id }})">Slet</button>
            </td>
        </tr>
        {% endfor %}
    </tbody>
</table>

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

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

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

async function importSets(e) {
    e.preventDefault();
    const file = document.getElementById('sets-csv').files[0];
    if (!file) return;
    const form = new FormData();
    form.append('file', file);
    const serieName = document.getElementById('set-serie-name').value;
    const res = await fetch('/api/admin/series/' + encodeURIComponent(serieName) + '/sets/import', {
        method: 'POST', body: form
    });
    const data = await res.json();
    const el = document.getElementById('sets-import-result');
    if (data.ok) {
        el.innerHTML = '<p style="color:green;">\u2713 ' + data.created + ' s\u00e6t 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 %}