@extends('layouts.admin')

@section('page-title', 'Hero Banner Management')

@section('content')
<div class="space-y-6">
    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
        <div>
            <h1 class="text-2xl font-bold text-gray-900">Hero Banner Slides</h1>
            <p class="text-sm text-gray-500 mt-1">Manage the homepage slider images and content</p>
        </div>
        <button onclick="openCreateModal()" class="inline-flex items-center gap-2 px-4 py-2.5 bg-indigo-600 text-white rounded-xl text-sm font-medium hover:bg-indigo-700 transition shadow-sm">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/></svg>
            Add Slide
        </button>
    </div>

    <div class="grid grid-cols-1 md:grid-cols-2 xl:grid-cols-3 gap-6">
        @forelse($slides as $index => $slide)
        <div class="bg-white border border-gray-200 rounded-xl overflow-hidden hover:shadow-lg transition-all group">
            <div class="relative h-48 bg-gray-100 overflow-hidden">
                @if($slide->image)
                    <img src="{{ $slide->image_url }}" alt="{{ $slide->title }}" class="w-full h-full object-cover">
                @else
                    <div class="w-full h-full flex items-center justify-center {{ match($index % 3) { 0 => 'bg-gradient-to-br from-indigo-500 to-purple-600', 1 => 'bg-gradient-to-br from-orange-500 to-rose-600', 2 => 'bg-gradient-to-br from-emerald-500 to-teal-600' } }}">
                        <svg class="w-16 h-16 text-white/40" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1" d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"/></svg>
                    </div>
                @endif
                <div class="absolute top-3 left-3">
                    <span class="px-2.5 py-1 bg-black/60 backdrop-blur-sm text-white text-xs font-bold rounded-lg">#{{ $slide->sort_order + 1 }}</span>
                </div>
                <div class="absolute top-3 right-3">
                    <span class="px-2.5 py-1 text-xs font-bold rounded-lg {{ $slide->is_active ? 'bg-green-500 text-white' : 'bg-gray-400 text-white' }}">
                        {{ $slide->is_active ? 'Active' : 'Inactive' }}
                    </span>
                </div>
                <div class="absolute inset-0 bg-black/0 group-hover:bg-black/40 transition-all flex items-center justify-center gap-3 opacity-0 group-hover:opacity-100">
                    <button onclick="openEditModal({{ json_encode($slide) }})" class="p-2.5 bg-white rounded-lg hover:bg-gray-100 transition" title="Edit">
                        <svg class="w-5 h-5 text-gray-700" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/></svg>
                    </button>
                    <form action="{{ route('admin.hero.destroy', $slide) }}" method="POST" onsubmit="return confirm('Delete this slide?')">
                        @csrf @method('DELETE')
                        <button type="submit" class="p-2.5 bg-white rounded-lg hover:bg-red-50 transition" title="Delete">
                            <svg class="w-5 h-5 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/></svg>
                        </button>
                    </form>
                </div>
            </div>
            <div class="p-4">
                <h4 class="font-semibold text-gray-900">{{ $slide->heading ?? 'Untitled' }}</h4>
                @if($slide->title)
                    <p class="text-xs text-indigo-600 font-medium mt-0.5">{{ $slide->title }}</p>
                @endif
                <p class="text-sm text-gray-500 mt-2 line-clamp-2">{{ $slide->content }}</p>
                <div class="mt-3 flex items-center justify-between">
                    <div class="flex items-center gap-2">
                        @if($slide->button_text)
                            <span class="px-2 py-0.5 bg-indigo-50 text-indigo-700 text-xs font-medium rounded">{{ $slide->button_text }}</span>
                        @endif
                    </div>
                    <label class="relative inline-flex items-center cursor-pointer">
                        <input type="checkbox" class="sr-only peer toggle-active" data-id="{{ $slide->id }}" {{ $slide->is_active ? 'checked' : '' }}>
                        <div class="w-9 h-5 bg-gray-200 peer-focus:outline-none peer-focus:ring-2 peer-focus:ring-indigo-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-4 after:w-4 after:transition-all peer-checked:bg-indigo-600"></div>
                    </label>
                </div>
            </div>
        </div>
        @empty
        <div class="col-span-full py-20 text-center">
            <div class="w-20 h-20 mx-auto bg-indigo-50 rounded-2xl flex items-center justify-center mb-4">
                <svg class="w-10 h-10 text-indigo-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"/></svg>
            </div>
            <p class="text-gray-500 font-medium">No hero slides yet</p>
            <p class="text-sm text-gray-400 mt-1">Click "Add Slide" to create your first banner</p>
        </div>
        @endforelse
    </div>
</div>

{{-- Create Modal --}}
<div id="createModal" class="hidden fixed inset-0 z-50 overflow-y-auto">
    <div class="flex items-center justify-center min-h-screen px-4">
        <div class="fixed inset-0 bg-gray-900/50 backdrop-blur-sm" onclick="closeCreateModal()"></div>
        <div class="relative bg-white rounded-2xl shadow-xl w-full max-w-lg">
            <div class="px-6 py-4 border-b border-gray-200 flex items-center justify-between">
                <h3 class="text-lg font-semibold text-gray-900">Add Hero Slide</h3>
                <button onclick="closeCreateModal()" class="p-2 text-gray-400 hover:text-gray-600 hover:bg-gray-100 rounded-lg transition">
                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
                </button>
            </div>
            <form action="{{ route('admin.hero.store') }}" method="POST" enctype="multipart/form-data" class="p-6 space-y-5">
                @csrf
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Banner Image</label>
                    <div class="relative border-2 border-dashed border-gray-300 rounded-xl p-6 text-center hover:border-indigo-400 transition cursor-pointer" onclick="document.getElementById('create-image').click()">
                        <input type="file" name="image" id="create-image" accept="image/*" class="hidden" onchange="previewCreateImage(this)">
                        <div id="create-preview-placeholder">
                            <svg class="w-12 h-12 mx-auto text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3"/></svg>
                            <p class="text-sm text-gray-500 mt-2">Click to upload or drag & drop</p>
                            <p class="text-xs text-gray-400 mt-1">PNG, JPG up to 5MB</p>
                        </div>
                        <img id="create-image-preview" class="hidden max-h-48 mx-auto rounded-lg">
                    </div>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Subtitle <span class="text-gray-400 font-normal">(e.g. Free Shipping, Hot Deal)</span></label>
                    <input type="text" name="title" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="Free Shipping">
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Main Heading</label>
                    <input type="text" name="heading" required class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="Welcome to {{ siteName() }}">
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Description</label>
                    <textarea name="content" rows="2" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="Your premium marketplace..."></textarea>
                </div>
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1.5">Button Text</label>
                        <input type="text" name="button_text" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="Shop Now">
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1.5">Sort Order</label>
                        <input type="number" name="sort_order" value="0" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                    </div>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Link URL <span class="text-gray-400 font-normal">(optional)</span></label>
                    <input type="text" name="link" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500" placeholder="/products or https://...">
                </div>
                <div class="flex justify-end gap-3 pt-4 border-t border-gray-200">
                    <button type="button" onclick="closeCreateModal()" class="px-4 py-2.5 border border-gray-300 text-gray-700 rounded-xl text-sm font-medium hover:bg-gray-50 transition">Cancel</button>
                    <button type="submit" class="px-4 py-2.5 bg-indigo-600 text-white rounded-xl text-sm font-medium hover:bg-indigo-700 transition">Create Slide</button>
                </div>
            </form>
        </div>
    </div>
</div>

{{-- Edit Modal --}}
<div id="editModal" class="hidden fixed inset-0 z-50 overflow-y-auto">
    <div class="flex items-center justify-center min-h-screen px-4">
        <div class="fixed inset-0 bg-gray-900/50 backdrop-blur-sm" onclick="closeEditModal()"></div>
        <div class="relative bg-white rounded-2xl shadow-xl w-full max-w-lg">
            <div class="px-6 py-4 border-b border-gray-200 flex items-center justify-between">
                <h3 class="text-lg font-semibold text-gray-900">Edit Hero Slide</h3>
                <button onclick="closeEditModal()" class="p-2 text-gray-400 hover:text-gray-600 hover:bg-gray-100 rounded-lg transition">
                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
                </button>
            </div>
            <form id="editForm" method="POST" enctype="multipart/form-data" class="p-6 space-y-5">
                @csrf @method('PUT')
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Banner Image</label>
                    <div class="relative border-2 border-dashed border-gray-300 rounded-xl p-6 text-center hover:border-indigo-400 transition cursor-pointer" onclick="document.getElementById('edit-image').click()">
                        <input type="file" name="image" id="edit-image" accept="image/*" class="hidden" onchange="previewEditImage(this)">
                        <div id="edit-existing">
                            <img id="edit-existing-img" class="max-h-48 mx-auto rounded-lg hidden">
                            <div id="edit-placeholder">
                                <svg class="w-12 h-12 mx-auto text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3"/></svg>
                                <p class="text-sm text-gray-500 mt-2">Click to upload new image</p>
                            </div>
                        </div>
                        <img id="edit-image-preview" class="hidden max-h-48 mx-auto rounded-lg">
                    </div>
                    <div class="mt-2 flex items-center gap-2">
                        <label class="relative inline-flex items-center cursor-pointer">
                            <input type="hidden" name="remove_image" value="0">
                            <input type="checkbox" name="remove_image" value="1" id="remove-image" class="sr-only peer">
                            <div class="w-9 h-5 bg-gray-200 peer-focus:outline-none peer-focus:ring-2 peer-focus:ring-red-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-4 after:w-4 after:transition-all peer-checked:bg-red-500"></div>
                            <span class="ml-2 text-sm text-gray-600">Remove current image</span>
                        </label>
                    </div>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Subtitle</label>
                    <input type="text" name="title" id="edit-title" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Main Heading</label>
                    <input type="text" name="heading" id="edit-heading" required class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Description</label>
                    <textarea name="content" id="edit-content" rows="2" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500"></textarea>
                </div>
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1.5">Button Text</label>
                        <input type="text" name="button_text" id="edit-button_text" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1.5">Sort Order</label>
                        <input type="number" name="sort_order" id="edit-sort_order" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                    </div>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Link URL</label>
                    <input type="text" name="link" id="edit-link" class="w-full px-3 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500">
                </div>
                <div class="flex items-center gap-3">
                    <label class="relative inline-flex items-center cursor-pointer">
                        <input type="hidden" name="is_active" value="0">
                        <input type="checkbox" name="is_active" id="edit-is_active" value="1" class="sr-only peer">
                        <div class="w-9 h-5 bg-gray-200 peer-focus:outline-none peer-focus:ring-2 peer-focus:ring-indigo-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-4 after:w-4 after:transition-all peer-checked:bg-indigo-600"></div>
                        <span class="ml-2 text-sm text-gray-700">Active</span>
                    </label>
                </div>
                <div class="flex justify-end gap-3 pt-4 border-t border-gray-200">
                    <button type="button" onclick="closeEditModal()" class="px-4 py-2.5 border border-gray-300 text-gray-700 rounded-xl text-sm font-medium hover:bg-gray-50 transition">Cancel</button>
                    <button type="submit" class="px-4 py-2.5 bg-indigo-600 text-white rounded-xl text-sm font-medium hover:bg-indigo-700 transition">Update Slide</button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
function openCreateModal() {
    document.getElementById('createModal').classList.remove('hidden');
    document.getElementById('create-image-preview').classList.add('hidden');
    document.getElementById('create-preview-placeholder').classList.remove('hidden');
}
function closeCreateModal() {
    document.getElementById('createModal').classList.add('hidden');
}
function previewCreateImage(input) {
    if (input.files && input.files[0]) {
        const reader = new FileReader();
        reader.onload = function(e) {
            document.getElementById('create-image-preview').src = e.target.result;
            document.getElementById('create-image-preview').classList.remove('hidden');
            document.getElementById('create-preview-placeholder').classList.add('hidden');
        };
        reader.readAsDataURL(input.files[0]);
    }
}
function openEditModal(item) {
    document.getElementById('editForm').action = '/admin/hero/' + item.id;
    document.getElementById('edit-title').value = item.title || '';
    document.getElementById('edit-heading').value = item.heading || '';
    document.getElementById('edit-content').value = item.content || '';
    document.getElementById('edit-button_text').value = item.button_text || '';
    document.getElementById('edit-sort_order').value = item.sort_order || 0;
    document.getElementById('edit-link').value = item.link || '';
    document.getElementById('edit-is_active').checked = item.is_active;
    document.getElementById('remove-image').checked = false;

    const existingImg = document.getElementById('edit-existing-img');
    const placeholder = document.getElementById('edit-placeholder');
    const newPreview = document.getElementById('edit-image-preview');
    newPreview.classList.add('hidden');

    if (item.image) {
        existingImg.src = item.image_url || '/storage/' + item.image;
        existingImg.classList.remove('hidden');
        placeholder.classList.add('hidden');
    } else {
        existingImg.classList.add('hidden');
        placeholder.classList.remove('hidden');
    }
    document.getElementById('editModal').classList.remove('hidden');
}
function closeEditModal() {
    document.getElementById('editModal').classList.add('hidden');
}
function previewEditImage(input) {
    if (input.files && input.files[0]) {
        const reader = new FileReader();
        reader.onload = function(e) {
            document.getElementById('edit-image-preview').src = e.target.result;
            document.getElementById('edit-image-preview').classList.remove('hidden');
            document.getElementById('edit-existing').classList.add('hidden');
        };
        reader.readAsDataURL(input.files[0]);
    }
}
document.querySelectorAll('.toggle-active').forEach(toggle => {
    toggle.addEventListener('change', function() {
        fetch('/admin/hero/' + this.dataset.id + '/toggle', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
            },
            body: JSON.stringify({ is_active: this.checked }),
        }).catch(() => { this.checked = !this.checked; });
    });
});

// Drag & drop support
['create-image', 'edit-image'].forEach(id => {
    const dropZone = document.getElementById(id).parentElement;
    dropZone.addEventListener('dragover', e => { e.preventDefault(); dropZone.classList.add('border-indigo-500', 'bg-indigo-50'); });
    dropZone.addEventListener('dragleave', () => { dropZone.classList.remove('border-indigo-500', 'bg-indigo-50'); });
    dropZone.addEventListener('drop', e => {
        e.preventDefault();
        dropZone.classList.remove('border-indigo-500', 'bg-indigo-50');
        const input = document.getElementById(id);
        input.files = e.dataTransfer.files;
        input.dispatchEvent(new Event('change'));
    });
});
</script>
@endsection