@extends('layouts.admin')
@section('title', isset($page) ? 'Seite bearbeiten' : 'Neue Seite')

@push('head')
{{-- Quill WYSIWYG --}}
<link href="https://cdn.quilljs.com/1.3.7/quill.snow.css" rel="stylesheet">
<style>
    .ql-container { font-size: 14px; min-height: 320px; border-bottom-left-radius: 6px; border-bottom-right-radius: 6px; }
    .ql-toolbar { border-top-left-radius: 6px; border-top-right-radius: 6px; background: #f9fafb; }
    .ql-editor { min-height: 320px; line-height: 1.7; }
    .ql-editor h1 { font-size: 1.8em; font-weight: 700; margin-bottom: .5em; }
    .ql-editor h2 { font-size: 1.4em; font-weight: 600; margin-bottom: .4em; }
    .ql-editor h3 { font-size: 1.15em; font-weight: 600; margin-bottom: .3em; }
    .ql-editor a  { color: #2563eb; text-decoration: underline; }
    .ql-editor blockquote { border-left: 4px solid #d1d5db; padding-left: 1em; color: #6b7280; font-style: italic; }
    .ql-editor pre { background: #1e293b; color: #e2e8f0; padding: 1em; border-radius: 6px; font-family: monospace; overflow-x: auto; }
    .ql-editor ul, .ql-editor ol { padding-left: 1.5em; }
    .ql-editor img { max-width: 100%; border-radius: 4px; }
</style>
@endpush

@section('content')
<div class="max-w-4xl">
<form id="page-form"
      method="POST"
      action="{{ isset($page) ? route('admin.pages.update', $page) : route('admin.pages.store') }}"
      enctype="multipart/form-data"
      class="space-y-4">
    @csrf @if(isset($page)) @method('PUT') @endif

    {{-- Metadaten --}}
    <div class="bg-white rounded shadow p-6 space-y-4">
        <div class="grid grid-cols-2 gap-4">
            <div>
                <label class="block text-sm font-medium mb-1">Titel *</label>
                <input type="text" name="title" id="title-input"
                       value="{{ old('title', $page->title ?? '') }}"
                       class="w-full border rounded px-3 py-2 text-sm" required>
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">
                    Slug (URL)
                    <span class="text-xs text-gray-400 font-normal">– automatisch aus Titel</span>
                </label>
                <div class="flex items-center border rounded overflow-hidden">
                    <span class="px-2 py-2 bg-gray-50 text-gray-400 text-xs border-r select-none">/seite/</span>
                    <input type="text" name="slug" id="slug-input"
                           value="{{ old('slug', $page->slug ?? '') }}"
                           class="flex-1 px-3 py-2 text-sm font-mono focus:outline-none"
                           placeholder="wird-automatisch-generiert">
                </div>
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">Typ</label>
                <select name="type" class="w-full border rounded px-3 py-2 text-sm">
                    <option value="static" {{ old('type', $page->type ?? 'static') === 'static' ? 'selected' : '' }}>Statische Seite (Impressum, AGB, …)</option>
                    <option value="blog"   {{ old('type', $page->type ?? '') === 'blog'   ? 'selected' : '' }}>Blog-Beitrag</option>
                </select>
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">Titelbild</label>
                @if(isset($page) && $page->image)
                    <img src="{{ asset('storage/'.$page->image) }}" class="h-10 mb-1 rounded">
                @endif
                <input type="file" name="image" accept="image/*" class="text-sm">
            </div>
        </div>
    </div>

    {{-- WYSIWYG Editor --}}
    <div class="bg-white rounded shadow overflow-hidden">
        <div class="px-5 py-3 border-b flex items-center justify-between">
            <span class="text-sm font-semibold text-gray-700">Inhalt</span>
            <button type="button" id="toggle-source"
                    class="text-xs px-3 py-1 border rounded hover:bg-gray-50 text-gray-500">
                HTML-Quellcode
            </button>
        </div>

        {{-- Quill Editor --}}
        <div id="quill-editor" class="border-0">
            {!! old('content', $page->content ?? '') !!}
        </div>

        {{-- Roher HTML-Quellcode (Toggle) --}}
        <textarea id="source-editor" name="_content_source" rows="16"
                  class="hidden w-full px-4 py-3 text-sm font-mono border-0 focus:outline-none resize-none"
                  style="min-height: 320px">{{ old('content', $page->content ?? '') }}</textarea>

        {{-- Verstecktes Feld das beim Submit gefüllt wird --}}
        <input type="hidden" name="content" id="content-hidden"
               value="{{ old('content', $page->content ?? '') }}">
    </div>

    {{-- SEO & Optionen --}}
    <div class="bg-white rounded shadow p-6 space-y-4">
        <h3 class="text-sm font-semibold text-gray-700">SEO & Einstellungen</h3>
        <div class="grid grid-cols-2 gap-4">
            <div>
                <label class="block text-sm font-medium mb-1">Meta-Titel <span class="text-xs text-gray-400 font-normal">(Browser-Tab)</span></label>
                <input type="text" name="meta_title"
                       value="{{ old('meta_title', $page->meta_title ?? '') }}"
                       class="w-full border rounded px-3 py-2 text-sm">
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">Meta-Beschreibung <span class="text-xs text-gray-400 font-normal">(Suchergebnisse)</span></label>
                <input type="text" name="meta_description"
                       value="{{ old('meta_description', $page->meta_description ?? '') }}"
                       class="w-full border rounded px-3 py-2 text-sm"
                       maxlength="160">
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">Veröffentlichungsdatum</label>
                <input type="date" name="published_at"
                       value="{{ old('published_at', isset($page->published_at) ? $page->published_at->format('Y-m-d') : '') }}"
                       class="w-full border rounded px-3 py-2 text-sm">
            </div>
            <div class="flex items-end pb-2">
                <label class="flex items-center gap-2 text-sm cursor-pointer">
                    <input type="checkbox" name="published" value="1"
                           {{ old('published', $page->published ?? true) ? 'checked' : '' }}
                           class="w-4 h-4 accent-blue-600">
                    <span>Veröffentlicht</span>
                </label>
            </div>
        </div>

        <hr class="border-gray-100">
        <h3 class="text-sm font-semibold text-gray-700">Navigation</h3>
        <div class="grid grid-cols-3 gap-4">
            <label class="flex items-start gap-2 text-sm cursor-pointer p-3 border rounded-lg hover:bg-gray-50">
                <input type="checkbox" name="show_in_footer" value="1"
                       {{ old('show_in_footer', $page->show_in_footer ?? true) ? 'checked' : '' }}
                       class="mt-0.5 accent-blue-600">
                <div>
                    <span class="font-medium">Footer</span>
                    <p class="text-xs text-gray-400 mt-0.5">Link in der Fußzeile des Shops</p>
                </div>
            </label>
            <label class="flex items-start gap-2 text-sm cursor-pointer p-3 border rounded-lg hover:bg-gray-50">
                <input type="checkbox" name="show_in_nav" value="1"
                       {{ old('show_in_nav', $page->show_in_nav ?? false) ? 'checked' : '' }}
                       class="mt-0.5 accent-blue-600">
                <div>
                    <span class="font-medium">Hauptmenü</span>
                    <p class="text-xs text-gray-400 mt-0.5">Link in der Top-Navigation</p>
                </div>
            </label>
            <div>
                <label class="block text-sm font-medium mb-1">Reihenfolge im Menü</label>
                <input type="number" name="nav_sort" value="{{ old('nav_sort', $page->nav_sort ?? 0) }}"
                       class="w-full border rounded px-3 py-2 text-sm" min="0">
                <p class="text-xs text-gray-400 mt-1">Niedrigere Zahl = weiter links</p>
            </div>
            <div>
                <label class="block text-sm font-medium mb-1">Seiten-Layout</label>
                <select name="layout" class="w-full border rounded px-3 py-2 text-sm">
                    @foreach(['default'=>'Standard (zentriert)','sidebar'=>'Mit Sidebar','full'=>'Volle Breite','landing'=>'Landing Page (ohne Header/Footer)'] as $val => $label)
                    <option value="{{ $val }}" {{ old('layout', $page->layout ?? 'default') === $val ? 'selected' : '' }}>{{ $label }}</option>
                    @endforeach
                </select>
            </div>
        </div>
    </div>

    @if($errors->any())
    <div class="bg-red-50 border border-red-200 rounded px-4 py-3 text-sm text-red-700">
        @foreach($errors->all() as $e)<p>• {{ $e }}</p>@endforeach
    </div>
    @endif

    <div class="flex gap-3 pb-8">
        <button type="submit" class="bg-blue-600 text-white px-6 py-2.5 rounded-lg hover:bg-blue-700 text-sm font-medium">
            Speichern
        </button>
        <a href="{{ route('admin.pages.index') }}"
           class="px-6 py-2.5 rounded-lg border text-sm hover:bg-gray-50">
            Abbrechen
        </a>
    </div>
</form>
</div>

<script src="https://cdn.quilljs.com/1.3.7/quill.js"></script>
<script>
// ── Quill initialisieren ────────────────────────────────────────────────────
const quill = new Quill('#quill-editor', {
    theme: 'snow',
    modules: {
        toolbar: [
            [{ header: [1, 2, 3, false] }],
            ['bold', 'italic', 'underline', 'strike'],
            [{ color: [] }, { background: [] }],
            [{ align: [] }],
            [{ list: 'ordered' }, { list: 'bullet' }],
            [{ indent: '-1' }, { indent: '+1' }],
            ['blockquote', 'code-block'],
            ['link', 'image'],
            ['clean']
        ]
    },
    placeholder: 'Seiteninhalt hier eingeben …',
});

// ── Slug automatisch aus Titel generieren ───────────────────────────────────
const titleInput = document.getElementById('title-input');
const slugInput  = document.getElementById('slug-input');
let slugManuallyEdited = slugInput.value.length > 0;

titleInput.addEventListener('input', () => {
    if (slugManuallyEdited) return;
    slugInput.value = titleInput.value
        .toLowerCase()
        .replace(/ä/g,'ae').replace(/ö/g,'oe').replace(/ü/g,'ue').replace(/ß/g,'ss')
        .replace(/[^a-z0-9]+/g, '-')
        .replace(/^-+|-+$/g, '');
});
slugInput.addEventListener('input', () => { slugManuallyEdited = true; });

// ── HTML-Quellcode-Toggle ───────────────────────────────────────────────────
const toggleBtn     = document.getElementById('toggle-source');
const sourceEditor  = document.getElementById('source-editor');
const quillWrapper  = document.getElementById('quill-editor');
let sourceMode = false;

toggleBtn.addEventListener('click', () => {
    sourceMode = !sourceMode;
    if (sourceMode) {
        // Quill → HTML
        sourceEditor.value = quill.root.innerHTML === '<p><br></p>' ? '' : quill.root.innerHTML;
        quillWrapper.style.display = 'none';
        sourceEditor.classList.remove('hidden');
        toggleBtn.textContent = 'WYSIWYG';
        toggleBtn.classList.add('bg-yellow-50', 'text-yellow-700', 'border-yellow-300');
    } else {
        // HTML → Quill
        quill.root.innerHTML = sourceEditor.value;
        sourceEditor.classList.add('hidden');
        quillWrapper.style.display = '';
        toggleBtn.textContent = 'HTML-Quellcode';
        toggleBtn.classList.remove('bg-yellow-50', 'text-yellow-700', 'border-yellow-300');
    }
});

// ── Beim Absenden: Quill-HTML in hidden field schreiben ─────────────────────
document.getElementById('page-form').addEventListener('submit', () => {
    const html = sourceMode
        ? sourceEditor.value
        : (quill.root.innerHTML === '<p><br></p>' ? '' : quill.root.innerHTML);
    document.getElementById('content-hidden').value = html;
});
</script>

@push('styles')
<style>
/* Quill-Bilder klickbar im Editor */
.ql-editor img { cursor: pointer; }
</style>
@endpush
@endsection