@extends('layouts.modern')

@section('page-title', $dataType->name . ' - Sections')

@section('breadcrumb')
    <li class="breadcrumb-item"><a href="{{ url('/') }}">Home</a></li>
    <li class="breadcrumb-item"><a href="{{ route('data-management.data-types.index') }}">Data Management</a></li>
    <li class="breadcrumb-item"><a href="{{ route('data-management.data-types.index') }}">Data Types</a></li>
    <li class="breadcrumb-item"><a href="{{ route('data-management.data-types.show', $dataType) }}">{{ $dataType->name }}</a></li>
    <li class="breadcrumb-item active">Sections</li>
@endsection

@section('action-buttons')
    <div class="btn-group">
        <a href="{{ route('data-management.data-types.sections.create', $dataType) }}" class="btn btn-primary">
            <i class="fas fa-plus"></i>
            Add Section
        </a>
        <a href="{{ route('data-management.data-types.show', $dataType) }}" class="btn btn-outline-secondary">
            <i class="fas fa-arrow-left"></i>
            Back to Data Type
        </a>
    </div>
@endsection

@section('content')
    <!-- Data Type Info -->
    <div class="card mb-3">
        <div class="card-body py-3">
            <div class="d-flex align-items-center">
                @if($dataType->icon)
                    <i class="{{ $dataType->icon }} me-2" style="color: var(--primary-color);"></i>
                @endif
                <div class="me-auto">
                    <h6 class="mb-0">{{ $dataType->name }}</h6>
                    <small style="color: var(--text-muted);">Managing sections for this data type</small>
                </div>
                <div class="text-end">
                    <span class="badge bg-primary">{{ $sections->count() }} sections</span>
                    <span class="badge bg-secondary">{{ $sections->sum('fields_count') }} total fields</span>
                </div>
            </div>
        </div>
    </div>

    <!-- Sections List -->
    <div class="card">
        <div class="card-header">
            <div class="d-flex justify-content-between align-items-center">
                <h5 class="mb-0">
                    <i class="fas fa-layer-group me-2" style="color: var(--primary-color);"></i>
                    Sections
                </h5>
                @if($sections->count() > 1)
                    <button class="btn btn-outline-secondary btn-sm" id="reorderBtn">
                        <i class="fas fa-sort"></i>
                        Reorder Sections
                    </button>
                @endif
            </div>
        </div>
        <div class="card-body p-0">
            @if($sections->count() > 0)
                <div id="sections-container">
                    @foreach($sections as $section)
                        <div class="section-item border-bottom p-3" data-section-id="{{ $section->id }}" style="border-color: var(--border-color);">
                            <div class="row align-items-center">
                                <div class="col-md-6">
                                    <div class="d-flex align-items-start">
                                        @if($sections->count() > 1)
                                            <div class="drag-handle me-2 mt-1" style="cursor: grab;">
                                                <i class="fas fa-grip-vertical" style="color: var(--text-muted);"></i>
                                            </div>
                                        @endif
                                        <div>
                                            <div class="d-flex align-items-center">
                                                @if($section->icon)
                                                    <i class="{{ $section->icon }} me-2" style="color: var(--primary-color);"></i>
                                                @endif
                                                <h6 class="mb-1">{{ $section->name }}</h6>
                                                @if(!$section->is_active)
                                                    <span class="badge bg-danger ms-2">Inactive</span>
                                                @endif
                                            </div>
                                            <small style="color: var(--text-muted);">{{ $section->slug }}</small>
                                            @if($section->description)
                                                <p class="mb-0 mt-1 small">{{ Str::limit($section->description, 100) }}</p>
                                            @endif
                                        </div>
                                    </div>
                                </div>
                                <div class="col-md-3">
                                    <div class="d-flex flex-wrap gap-1">
                                        <span class="badge bg-secondary">Order: {{ $section->order }}</span>
                                        <span class="badge bg-info">{{ $section->fields_count }} fields</span>
                                        <span class="badge bg-secondary">{{ $section->width_class }}</span>
                                        @if($section->collapsible)
                                            <span class="badge bg-warning">Collapsible</span>
                                        @endif
                                    </div>
                                </div>
                                <div class="col-md-3 text-end">
                                    <div class="btn-group btn-group-sm">
                                        <a href="{{ route('data-management.data-types.sections.show', [$dataType, $section]) }}" 
                                            class="btn btn-outline-primary btn-sm" title="View Details">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                        <a href="{{ route('data-management.data-types.sections.edit', [$dataType, $section]) }}" 
                                            class="btn btn-outline-secondary btn-sm" title="Edit">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        <button type="button" class="btn btn-outline-danger btn-sm" 
                                            onclick="deleteSection('{{ $section->id }}', '{{ $section->name }}', {{ $section->fields_count }})" 
                                            title="Delete">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endforeach
                </div>

                @if($sections->count() > 1)
                    <div class="card-footer text-center d-none" id="reorder-actions">
                        <button class="btn btn-success btn-sm" id="saveOrderBtn">
                            <i class="fas fa-save"></i>
                            Save Order
                        </button>
                        <button class="btn btn-secondary btn-sm ms-2" id="cancelOrderBtn">
                            <i class="fas fa-times"></i>
                            Cancel
                        </button>
                    </div>
                @endif
            @else
                <!-- Empty State -->
                <div class="text-center py-5">
                    <i class="fas fa-layer-group fa-3x mb-3" style="color: var(--text-muted);"></i>
                    <h5 style="color: var(--text-primary);">No Sections Found</h5>
                    <p style="color: var(--text-muted);">
                        Sections help organize your form fields into logical groups.
                        <br>
                        Create your first section to get started.
                    </p>
                    <a href="{{ route('data-management.data-types.sections.create', $dataType) }}" class="btn btn-primary">
                        <i class="fas fa-plus"></i>
                        Create First Section
                    </a>
                </div>
            @endif
        </div>
    </div>

    <!-- Delete Confirmation Modal -->
    <div class="modal fade" id="deleteModal" tabindex="-1">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">Confirm Deletion</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    <p>Are you sure you want to delete the section <strong id="deleteSectionName"></strong>?</p>
                    <div class="alert alert-warning" id="fieldsWarning" style="display: none;">
                        <i class="fas fa-exclamation-triangle me-2"></i>
                        <strong>Warning:</strong> This section contains <span id="fieldsCount"></span> field(s). 
                        You must delete or move the fields before deleting this section.
                    </div>
                    <div class="alert alert-danger" id="deleteWarning" style="display: none;">
                        <i class="fas fa-exclamation-triangle me-2"></i>
                        <strong>Warning:</strong> This action cannot be undone.
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <form id="deleteForm" method="POST" style="display: inline;">
                        @csrf
                        @method('DELETE')
                        <button type="submit" class="btn btn-danger" id="deleteBtn">
                            <i class="fas fa-trash"></i> Delete Section
                        </button>
                    </form>
                </div>
            </div>
        </div>
    </div>
@endsection

@push('scripts')
<!-- Sortable.js for drag and drop -->
<script src="https://cdn.jsdelivr.net/npm/sortablejs@1.15.0/Sortable.min.js"></script>

<script>
let sortable = null;
let originalOrder = [];

function deleteSection(id, name, fieldsCount) {
    document.getElementById('deleteSectionName').textContent = name;
    document.getElementById('deleteForm').action = 
        '{{ route("data-management.data-types.sections.index", $dataType) }}/' + id;
    
    const fieldsWarning = document.getElementById('fieldsWarning');
    const deleteWarning = document.getElementById('deleteWarning');
    const deleteBtn = document.getElementById('deleteBtn');
    
    if (fieldsCount > 0) {
        document.getElementById('fieldsCount').textContent = fieldsCount;
        fieldsWarning.style.display = 'block';
        deleteWarning.style.display = 'none';
        deleteBtn.disabled = true;
        deleteBtn.innerHTML = '<i class="fas fa-times"></i> Cannot Delete';
    } else {
        fieldsWarning.style.display = 'none';
        deleteWarning.style.display = 'block';
        deleteBtn.disabled = false;
        deleteBtn.innerHTML = '<i class="fas fa-trash"></i> Delete Section';
    }
    
    new bootstrap.Modal(document.getElementById('deleteModal')).show();
}

document.addEventListener('DOMContentLoaded', function() {
    const reorderBtn = document.getElementById('reorderBtn');
    const saveOrderBtn = document.getElementById('saveOrderBtn');
    const cancelOrderBtn = document.getElementById('cancelOrderBtn');
    const reorderActions = document.getElementById('reorder-actions');
    const sectionsContainer = document.getElementById('sections-container');

    if (reorderBtn) {
        reorderBtn.addEventListener('click', function() {
            enableReordering();
        });
    }

    if (saveOrderBtn) {
        saveOrderBtn.addEventListener('click', function() {
            saveOrder();
        });
    }

    if (cancelOrderBtn) {
        cancelOrderBtn.addEventListener('click', function() {
            disableReordering();
        });
    }

    function enableReordering() {
        // Store original order
        originalOrder = Array.from(sectionsContainer.children).map(el => el.dataset.sectionId);
        
        // Initialize sortable
        sortable = Sortable.create(sectionsContainer, {
            handle: '.drag-handle',
            animation: 150,
            ghostClass: 'sortable-ghost'
        });

        // Show/hide elements
        reorderBtn.style.display = 'none';
        reorderActions.classList.remove('d-none');
        sectionsContainer.style.backgroundColor = 'var(--bs-light)';
        
        // Add dragging styles
        const dragHandles = document.querySelectorAll('.drag-handle');
        dragHandles.forEach(handle => {
            handle.style.cursor = 'grab';
            handle.style.color = 'var(--primary-color)';
        });
    }

    function disableReordering() {
        if (sortable) {
            sortable.destroy();
            sortable = null;
        }

        // Reset order to original
        originalOrder.forEach((id, index) => {
            const element = sectionsContainer.querySelector(`[data-section-id="${id}"]`);
            sectionsContainer.appendChild(element);
        });

        // Show/hide elements
        reorderBtn.style.display = 'inline-block';
        reorderActions.classList.add('d-none');
        sectionsContainer.style.backgroundColor = '';
        
        // Reset dragging styles
        const dragHandles = document.querySelectorAll('.drag-handle');
        dragHandles.forEach(handle => {
            handle.style.cursor = 'grab';
            handle.style.color = 'var(--text-muted)';
        });
    }

    function saveOrder() {
        const newOrder = Array.from(sectionsContainer.children).map((el, index) => ({
            id: el.dataset.sectionId,
            order: index
        }));

        fetch('{{ route("data-management.data-types.sections.reorder", $dataType) }}', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
            },
            body: JSON.stringify({ sections: newOrder })
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                // Show success message
                const alertDiv = document.createElement('div');
                alertDiv.className = 'alert alert-success alert-dismissible fade show';
                alertDiv.innerHTML = `
                    <i class="fas fa-check me-2"></i>
                    ${data.message}
                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                `;
                document.querySelector('.container-fluid').insertBefore(alertDiv, document.querySelector('.card'));

                disableReordering();
                
                // Update order badges
                newOrder.forEach((item, index) => {
                    const element = sectionsContainer.querySelector(`[data-section-id="${item.id}"]`);
                    const orderBadge = element.querySelector('.badge:contains("Order:")');
                    if (orderBadge) {
                        orderBadge.textContent = `Order: ${index}`;
                    }
                });
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Error saving order. Please try again.');
        });
    }
});
</script>

<style>
.sortable-ghost {
    opacity: 0.4;
}

.drag-handle:active {
    cursor: grabbing !important;
}

.section-item {
    transition: background-color 0.2s;
}

.section-item:hover {
    background-color: var(--bs-light);
}
</style>
@endpush