{% extends "base.html" %}

{% block title %}Filter verwalten{% endblock %}

{% block content %}
<div class="container py-4">
    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center pb-3 mb-4 border-bottom gap-3">
        <div>
            <h1 class="h2 fw-bold mb-1">Filterwerte verwalten</h1>
            <p class="text-muted mb-0">Verwalten und Bearbeiten Sie die Zuordnungswerte für das Inventar.</p>
        </div>
        <div>
            <a href="{{ url_for('home_admin') }}" class="btn btn-outline-secondary d-inline-flex align-items-center">
                <i class="bi bi-arrow-left me-2"></i> Zurück zur Admin-Übersicht
            </a>
        </div>
    </div>

    <div class="row g-4">
        <div class="col-lg-6">
            <div class="card shadow-sm border-0 h-100 rounded-3">
                <div class="card-header bg-white border-bottom py-3 d-flex justify-content-between align-items-center">
                    <h2 class="card-title h5 mb-0 fw-semibold text-primary">
                        <i class="bi bi-funnel me-2"></i>{{ filter_names.get('1', 'Jahrgangsstufe') }}
                    </h2>
                    <span class="badge bg-primary-subtle text-primary rounded-pill">Filter 1</span>
                </div>
                <div class="card-body p-4">
                    <form method="POST" action="{{ url_for('add_filter_value', filter_num=1) }}" class="mb-4">
                        <label class="form-label fw-medium text-secondary">Neuen Wert hinzufügen</label>
                        <div class="input-group">
                            <input type="text" name="value" class="form-control" placeholder="Wert eingeben..." required>
                            <button type="submit" class="btn btn-primary d-inline-flex align-items-center">
                                <i class="bi bi-plus-lg me-1"></i> Hinzufügen
                            </button>
                        </div>
                    </form>

                    <div class="d-flex justify-content-between align-items-center mb-3">
                        <h3 class="h6 text-uppercase text-muted fw-bold mb-0">Vorhandene Werte</h3>
                        <span class="badge bg-secondary rounded-pill">{{ filter1_values|length if filter1_values else 0 }}</span>
                    </div>

                    {% if filter1_values %}
                    <div class="list-group list-group-flush border rounded-3 overflow-hidden">
                        {% for value in filter1_values %}
                        <div class="list-group-item p-3">
                            <div class="d-flex justify-content-between align-items-center">
                                <span class="fw-medium">{{ value }}</span>
                                <div class="btn-group btn-group-sm">
                                    <button type="button" class="btn btn-outline-secondary" onclick="toggleEdit('edit-1-{{ loop.index }}')">
                                        <i class="bi bi-pencil me-1"></i> Bearbeiten
                                    </button>
                                    <form method="POST" action="{{ url_for('remove_filter_value', filter_num=1, value=value) }}" class="d-inline">
                                        <button type="submit" class="btn btn-outline-danger" 
                                                onclick="return confirm('Sind Sie sicher, dass Sie den Wert \"' + '{{ value }}'.replace(/'/g, '\\\'') + '\" löschen möchten?');">
                                            <i class="bi bi-trash me-1"></i> Entfernen
                                        </button>
                                    </form>
                                </div>
                            </div>
                            
                            <form id="edit-1-{{ loop.index }}" method="POST" action="{{ url_for('edit_filter_value', filter_num=1, old_value=value) }}" style="display: none;" class="mt-3 pt-3 border-top">
                                <div class="input-group input-group-sm">
                                    <input type="text" name="new_value" class="form-control" value="{{ value }}" required>
                                    <button type="submit" class="btn btn-success" onclick="return confirm('Tipp: Das Ändern des Namens aktualisiert auch alle Einträge in der Datenbank, die diesen Filter verwenden. Fortfahren?');">
                                        <i class="bi bi-check-lg me-1"></i> Speichern
                                    </button>
                                    <button type="button" class="btn btn-outline-secondary" onclick="toggleEdit('edit-1-{{ loop.index }}')">
                                        Abbrechen
                                    </button>
                                </div>
                            </form>
                        </div>
                        {% endfor %}
                    </div>
                    {% else %}
                    <div class="alert alert-light border text-center text-muted mb-0">
                        <i class="bi bi-info-circle me-1"></i> Keine Werte definiert.
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>

        <div class="col-lg-6">
            <div class="card shadow-sm border-0 h-100 rounded-3">
                <div class="card-header bg-white border-bottom py-3 d-flex justify-content-between align-items-center">
                    <h2 class="card-title h5 mb-0 fw-semibold text-primary">
                        <i class="bi bi-funnel me-2"></i>{{ filter_names.get('2', 'Fachgebiet') }}
                    </h2>
                    <span class="badge bg-primary-subtle text-primary rounded-pill">Filter 2</span>
                </div>
                <div class="card-body p-4">
                    <form method="POST" action="{{ url_for('add_filter_value', filter_num=2) }}" class="mb-4">
                        <label class="form-label fw-medium text-secondary">Neuen Wert hinzufügen</label>
                        <div class="input-group">
                            <input type="text" name="value" class="form-control" placeholder="Wert eingeben..." required>
                            <button type="submit" class="btn btn-primary d-inline-flex align-items-center">
                                <i class="bi bi-plus-lg me-1"></i> Hinzufügen
                            </button>
                        </div>
                    </form>

                    <div class="d-flex justify-content-between align-items-center mb-3">
                        <h3 class="h6 text-uppercase text-muted fw-bold mb-0">Vorhandene Werte</h3>
                        <span class="badge bg-secondary rounded-pill">{{ filter2_values|length if filter2_values else 0 }}</span>
                    </div>

                    {% if filter2_values %}
                    <div class="list-group list-group-flush border rounded-3 overflow-hidden">
                        {% for value in filter2_values %}
                        <div class="list-group-item p-3">
                            <div class="d-flex justify-content-between align-items-center">
                                <span class="fw-medium">{{ value }}</span>
                                <div class="btn-group btn-group-sm">
                                    <button type="button" class="btn btn-outline-secondary" onclick="toggleEdit('edit-2-{{ loop.index }}')">
                                        <i class="bi bi-pencil me-1"></i> Bearbeiten
                                    </button>
                                    <form method="POST" action="{{ url_for('remove_filter_value', filter_num=2, value=value) }}" class="d-inline">
                                        <button type="submit" class="btn btn-outline-danger"
                                                onclick="return confirm('Sind Sie sicher, dass Sie den Wert \"' + '{{ value }}'.replace(/'/g, '\\\'') + '\" löschen möchten?');">
                                            <i class="bi bi-trash me-1"></i> Entfernen
                                        </button>
                                    </form>
                                </div>
                            </div>

                            <form id="edit-2-{{ loop.index }}" method="POST" action="{{ url_for('edit_filter_value', filter_num=2, old_value=value) }}" style="display: none;" class="mt-3 pt-3 border-top">
                                <div class="input-group input-group-sm">
                                    <input type="text" name="new_value" class="form-control" value="{{ value }}" required>
                                    <button type="submit" class="btn btn-success" onclick="return confirm('Tipp: Das Ändern des Namens aktualisiert auch alle Einträge in der Datenbank, die diesen Filter verwenden. Fortfahren?');">
                                        <i class="bi bi-check-lg me-1"></i> Speichern
                                    </button>
                                    <button type="button" class="btn btn-outline-secondary" onclick="toggleEdit('edit-2-{{ loop.index }}')">
                                        Abbrechen
                                    </button>
                                </div>
                            </form>
                        </div>
                        {% endfor %}
                    </div>
                    {% else %}
                    <div class="alert alert-light border text-center text-muted mb-0">
                        <i class="bi bi-info-circle me-1"></i> Keine Werte definiert.
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>

    <div class="alert alert-warning border-0 shadow-sm d-flex align-items-center mt-4 rounded-3" role="alert">
        <i class="bi bi-exclamation-triangle-fill fs-4 me-3 text-warning"></i>
        <div>
            <strong>Hinweis:</strong> Beim Entfernen eines Filterwertes wird dieser nicht automatisch aus bestehenden Objekten gelöscht. Bereits zugewiesene Werte bleiben in bestehenden Datensätzen erhalten.
        </div>
    </div>
</div>

<script>
function toggleEdit(id) {
    const el = document.getElementById(id);
    if (el.style.display === 'none' || el.style.display === '') {
        el.style.display = 'block';
        const input = el.querySelector('input[type="text"]');
        if (input) input.focus();
    } else {
        el.style.display = 'none';
    }
}
</script>
{% endblock %}