@extends('layouts.admin')

@section('title', 'Service Variants - ' . $service->name)

@section('content')
<div class="container-fluid px-4">
    <!-- Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-0">Service Variants</h1>
            <nav aria-label="breadcrumb">
                <ol class="breadcrumb mb-0">
                                    <li class="breadcrumb-item"><a href="{{ route('vendors.services.index', $vendor) }}">Services</a></li>
                <li class="breadcrumb-item"><a href="{{ route('vendors.services.services', ['vendor' => $vendor, 'categoryId' => $service->bizspot_main_category_id]) }}">{{ $service->bizspotMainCategory->name }}</a></li>
                    <li class="breadcrumb-item active">{{ $service->name }} - Variants</li>
                </ol>
            </nav>
        </div>
        <div>
            <a href="{{ route('vendors.services.services.edit', ['vendor' => $vendor, 'service' => $service]) }}" class="btn btn-outline-info me-2">
                <i class="bi bi-pencil me-1"></i>Edit Service
            </a>
            <a href="{{ route('vendors.services.services', ['vendor' => $vendor, 'categoryId' => $service->bizspot_main_category_id]) }}" class="btn btn-outline-primary">
                <i class="bi bi-arrow-left me-1"></i>Back to Services
            </a>
        </div>
    </div>

    <!-- Service Info -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card border-0 shadow-sm">
                <div class="card-body">
                    <div class="row align-items-center">
                        <div class="col-md-2">
                            @if($service->featured_image)
                                <img src="{{ asset('storage/' . $service->featured_image) }}" alt="Service Image" class="img-fluid rounded" style="max-height: 80px;">
                            @else
                                <div class="bg-light rounded d-flex align-items-center justify-content-center" style="height: 80px; width: 80px;">
                                    <i class="bi bi-tools text-muted" style="font-size: 2rem;"></i>
                                </div>
                            @endif
                        </div>
                        <div class="col-md-6">
                            <h5 class="mb-1">{{ $service->name }}</h5>
                            <p class="text-muted mb-1">{{ $service->short_description }}</p>
                            <div class="d-flex gap-2">
                                <span class="badge bg-primary">{{ $service->bizspotMainCategory->name }}</span>
                                @if($service->mobile_service)
                                    <span class="badge bg-info">Mobile</span>
                                @endif
                                @if($service->certified_service)
                                    <span class="badge bg-success">Certified</span>
                                @endif
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="row text-center">
                                <div class="col-4">
                                    <div class="h5 mb-0 text-primary">{{ $variants->flatten()->count() }}</div>
                                    <small class="text-muted">Total Variants</small>
                                </div>
                                <div class="col-4">
                                    <div class="h5 mb-0 text-info">{{ $variants->count() }}</div>
                                    <small class="text-muted">Variant Types</small>
                                </div>
                                <div class="col-4">
                                    <div class="h5 mb-0 text-success">AED {{ number_format($service->base_price, 2) }}</div>
                                    <small class="text-muted">Base Price</small>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Create Variant Button -->
    <div class="row mb-4">
        <div class="col-12">
            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createVariantModal">
                <i class="bi bi-plus me-1"></i>Add New Variant
            </button>
        </div>
    </div>

    <!-- Quick Add Common Variants -->
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white">
            <h5 class="mb-0">Quick Add - Common Service Variants</h5>
            <small class="text-muted">Click to quickly add common service variants</small>
        </div>
        <div class="card-body">
            @foreach($commonVariants as $variantType => $variantList)
                <div class="mb-3">
                    <h6 class="text-muted mb-2">{{ $variantType }}</h6>
                    <div class="d-flex flex-wrap gap-2">
                        @foreach($variantList as $variant)
                            <button type="button" class="btn btn-outline-secondary btn-sm" 
                                    onclick="quickAddVariant({{ json_encode($variant) }}, '{{ $variantType }}')">
                                <i class="bi bi-plus me-1"></i>{{ $variant['name'] }}
                                @if($variant['price_adjustment'] > 0)
                                    (+AED {{ $variant['price_adjustment'] }})
                                @elseif($variant['price_adjustment'] < 0)
                                    (AED {{ $variant['price_adjustment'] }})
                                @endif
                            </button>
                        @endforeach
                    </div>
                </div>
            @endforeach
        </div>
    </div>

    <!-- Existing Variants -->
    @if($variants->count() > 0)
        @foreach($variants as $variantType => $variantGroup)
            <div class="card border-0 shadow-sm mb-4">
                <div class="card-header bg-white">
                    <div class="d-flex justify-content-between align-items-center">
                        <h5 class="mb-0">{{ ucfirst(str_replace('_', ' ', $variantType)) }} ({{ $variantGroup->count() }})</h5>
                        <span class="badge bg-light text-dark">{{ $variantGroup->count() }} variants</span>
                    </div>
                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-hover align-middle">
                            <thead class="table-light">
                                <tr>
                                    <th>Name</th>
                                    <th>Price Adjustment</th>
                                    <th>Duration Impact</th>
                                    <th>Type</th>
                                    <th>Status</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($variantGroup as $variant)
                                    <tr>
                                        <td>
                                            <div>
                                                <strong>{{ $variant->name }}</strong>
                                                @if($variant->description)
                                                    <div class="text-muted small">{{ $variant->description }}</div>
                                                @endif
                                            </div>
                                        </td>
                                        <td>
                                            @if($variant->price_adjustment > 0)
                                                <span class="text-success">+AED {{ number_format($variant->price_adjustment, 2) }}</span>
                                            @elseif($variant->price_adjustment < 0)
                                                <span class="text-danger">AED {{ number_format($variant->price_adjustment, 2) }}</span>
                                            @else
                                                <span class="text-muted">No change</span>
                                            @endif
                                            <div class="small text-muted">{{ ucfirst($variant->adjustment_type) }}</div>
                                        </td>
                                        <td>
                                            @if($variant->duration_adjustment_minutes != 0)
                                                {{ $variant->duration_adjustment_minutes > 0 ? '+' : '' }}{{ $variant->duration_adjustment_minutes }} min
                                            @else
                                                <span class="text-muted">No change</span>
                                            @endif
                                        </td>
                                        <td>
                                            <div class="d-flex gap-1">
                                                @if($variant->is_addon)
                                                    <span class="badge bg-info">Add-on</span>
                                                @endif
                                                @if($variant->is_upgrade)
                                                    <span class="badge bg-warning">Upgrade</span>
                                                @endif
                                                @if($variant->is_package)
                                                    <span class="badge bg-success">Package</span>
                                                @endif
                                                @if($variant->mobile_available)
                                                    <span class="badge bg-secondary">Mobile</span>
                                                @endif
                                            </div>
                                        </td>
                                        <td>
                                            <span class="badge {{ $variant->is_available ? 'bg-success' : 'bg-danger' }}">
                                                {{ $variant->is_available ? 'Available' : 'Unavailable' }}
                                            </span>
                                        </td>
                                        <td>
                                            <div class="btn-group" role="group">
                                                <button type="button" class="btn btn-sm btn-outline-primary" 
                                                        onclick="editVariant({{ $variant->id }}, {{ json_encode($variant->variant_type) }}, {{ json_encode($variant->name) }}, {{ json_encode($variant->description) }}, {{ $variant->price_adjustment }}, {{ json_encode($variant->adjustment_type) }}, {{ $variant->duration_adjustment_minutes ?? 0 }}, {{ $variant->is_addon ? 'true' : 'false' }}, {{ $variant->is_upgrade ? 'true' : 'false' }}, {{ $variant->is_package ? 'true' : 'false' }}, {{ $variant->mobile_available ? 'true' : 'false' }}, {{ json_encode($variant->required_staff_level) }}, {{ $variant->max_participants ?? 'null' }}, {{ $variant->min_age ?? 'null' }}, {{ $variant->max_age ?? 'null' }})">
                                                    <i class="bi bi-pencil"></i>
                                                </button>
                                                <button type="button" class="btn btn-sm btn-outline-danger" 
                                                        onclick="deleteVariant({{ $variant->id }}, {{ json_encode($variant->name) }})">
                                                    <i class="bi bi-trash"></i>
                                                </button>
                                            </div>
                                        </td>
                                    </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        @endforeach
    @else
        <div class="card border-0 shadow-sm">
            <div class="card-body text-center py-5">
                <i class="bi bi-list-ul text-muted" style="font-size: 4rem;"></i>
                <h5 class="mt-3 text-muted">No Variants Found</h5>
                <p class="text-muted mb-4">Start by adding variants for this service to offer different options and pricing.</p>
                <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createVariantModal">
                    <i class="bi bi-plus me-1"></i>Add First Variant
                </button>
            </div>
        </div>
    @endif
</div>

<!-- Create/Edit Variant Modal -->
<div class="modal fade" id="createVariantModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modalTitle">Add New Variant</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form id="variantForm" method="POST">
                @csrf
                <div class="modal-body">
                    <input type="hidden" id="variantId" name="variant_id">
                    <input type="hidden" id="formMethod" name="_method" value="POST">
                    
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="variant_type" class="form-label">Variant Type <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" id="variant_type" name="variant_type" required>
                        </div>
                        
                        <div class="col-md-6 mb-3">
                            <label for="variant_name" class="form-label">Name <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" id="variant_name" name="name" required>
                        </div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="variant_description" class="form-label">Description</label>
                        <textarea class="form-control" id="variant_description" name="description" rows="2"></textarea>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="price_adjustment" class="form-label">Price Adjustment (AED)</label>
                            <input type="number" class="form-control" id="price_adjustment" name="price_adjustment" step="0.01" value="0">
                        </div>
                        
                        <div class="col-md-6 mb-3">
                            <label for="adjustment_type" class="form-label">Adjustment Type</label>
                            <select class="form-select" id="adjustment_type" name="adjustment_type">
                                <option value="fixed">Fixed Amount</option>
                                <option value="percentage">Percentage</option>
                            </select>
                        </div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="duration_adjustment_minutes" class="form-label">Duration Adjustment (Minutes)</label>
                        <input type="number" class="form-control" id="duration_adjustment_minutes" name="duration_adjustment_minutes" value="0">
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="required_staff_level" class="form-label">Required Staff Level</label>
                            <select class="form-select" id="required_staff_level" name="required_staff_level">
                                <option value="">Any Level</option>
                                <option value="Junior">Junior</option>
                                <option value="Senior">Senior</option>
                                <option value="Master">Master</option>
                            </select>
                        </div>
                        
                        <div class="col-md-6 mb-3">
                            <label for="max_participants" class="form-label">Max Participants</label>
                            <input type="number" class="form-control" id="max_participants" name="max_participants" min="1" placeholder="Leave empty for unlimited">
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="min_age" class="form-label">Minimum Age</label>
                            <input type="number" class="form-control" id="min_age" name="min_age" min="0" placeholder="No minimum">
                        </div>
                        
                        <div class="col-md-6 mb-3">
                            <label for="max_age" class="form-label">Maximum Age</label>
                            <input type="number" class="form-control" id="max_age" name="max_age" min="0" placeholder="No maximum">
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-check mb-2">
                                <input class="form-check-input" type="checkbox" id="is_addon" name="is_addon">
                                <label class="form-check-label" for="is_addon">Add-on Service</label>
                            </div>
                            
                            <div class="form-check mb-2">
                                <input class="form-check-input" type="checkbox" id="is_upgrade" name="is_upgrade">
                                <label class="form-check-label" for="is_upgrade">Upgrade Option</label>
                            </div>
                        </div>
                        
                        <div class="col-md-6">
                            <div class="form-check mb-2">
                                <input class="form-check-input" type="checkbox" id="is_package" name="is_package">
                                <label class="form-check-label" for="is_package">Package Deal</label>
                            </div>
                            
                            <div class="form-check mb-2">
                                <input class="form-check-input" type="checkbox" id="mobile_available" name="mobile_available">
                                <label class="form-check-label" for="mobile_available">Mobile Available</label>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary" id="saveButton">Save Variant</button>
                </div>
            </form>
        </div>
    </div>
</div>

@section('scripts')
<script>
// Global variables
const serviceId = {{ $service->id }};
const vendorId = {{ $vendor->id }};

// Quick add variant
function quickAddVariant(variantData, variantType) {
    // Reset form
    resetForm();
    
    // Fill form with variant data
    document.getElementById('variant_type').value = variantType;
    document.getElementById('variant_name').value = variantData.name;
    document.getElementById('variant_description').value = variantData.description || '';
    document.getElementById('price_adjustment').value = variantData.price_adjustment || 0;
    document.getElementById('adjustment_type').value = variantData.adjustment_type || 'fixed';
    document.getElementById('duration_adjustment_minutes').value = variantData.duration_adjustment_minutes || 0;
    
    // Fill advanced fields with defaults
    document.getElementById('required_staff_level').value = variantData.required_staff_level || '';
    document.getElementById('max_participants').value = variantData.max_participants || '';
    document.getElementById('min_age').value = variantData.min_age || '';
    document.getElementById('max_age').value = variantData.max_age || '';
    
    // Set checkboxes
    document.getElementById('is_addon').checked = variantData.is_addon || false;
    document.getElementById('is_upgrade').checked = variantData.is_upgrade || false;
    document.getElementById('is_package').checked = variantData.is_package || false;
    document.getElementById('mobile_available').checked = variantData.mobile_available || false;
    
    // Show modal
    const modal = new bootstrap.Modal(document.getElementById('createVariantModal'));
    modal.show();
}

// Edit variant
function editVariant(id, variantType, name, description, priceAdjustment, adjustmentType, durationAdjustment, isAddon, isUpgrade, isPackage, mobileAvailable, requiredStaffLevel, maxParticipants, minAge, maxAge) {
    // Set form for editing
    document.getElementById('modalTitle').textContent = 'Edit Variant';
    document.getElementById('saveButton').textContent = 'Update Variant';
    document.getElementById('variantId').value = id;
    document.getElementById('formMethod').value = 'PUT';
    
    // Fill form - basic fields
    document.getElementById('variant_type').value = variantType || '';
    document.getElementById('variant_name').value = name || '';
    document.getElementById('variant_description').value = description || '';
    document.getElementById('price_adjustment').value = priceAdjustment || 0;
    document.getElementById('adjustment_type').value = adjustmentType || 'fixed';
    document.getElementById('duration_adjustment_minutes').value = durationAdjustment || 0;
    
    // Fill advanced fields
    document.getElementById('required_staff_level').value = requiredStaffLevel || '';
    document.getElementById('max_participants').value = maxParticipants !== null && maxParticipants !== 'null' ? maxParticipants : '';
    document.getElementById('min_age').value = minAge !== null && minAge !== 'null' ? minAge : '';
    document.getElementById('max_age').value = maxAge !== null && maxAge !== 'null' ? maxAge : '';
    
    // Set checkboxes
    document.getElementById('is_addon').checked = isAddon;
    document.getElementById('is_upgrade').checked = isUpgrade;
    document.getElementById('is_package').checked = isPackage;
    document.getElementById('mobile_available').checked = mobileAvailable;
    
    // Show modal
    const modal = new bootstrap.Modal(document.getElementById('createVariantModal'));
    modal.show();
}

// Delete variant
function deleteVariant(id, name) {
    if (confirm(`Are you sure you want to delete the variant "${name}"?`)) {
        fetch(`{{ route('vendors.services.variants.delete', ['vendor' => $vendor, 'service' => $service, 'variant' => ':id']) }}`.replace(':id', id), {
            method: 'DELETE',
            headers: {
                'X-CSRF-TOKEN': '{{ csrf_token() }}',
                'Content-Type': 'application/json',
                'X-Requested-With': 'XMLHttpRequest',
                'Accept': 'application/json'
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                location.reload();
            } else {
                alert(data.message || 'Error deleting variant');
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Error deleting variant');
        });
    }
}

// Reset form
function resetForm() {
    document.getElementById('modalTitle').textContent = 'Add New Variant';
    document.getElementById('saveButton').textContent = 'Save Variant';
    document.getElementById('variantId').value = '';
    document.getElementById('formMethod').value = 'POST';
    document.getElementById('variantForm').reset();
}

// Handle form submission
document.getElementById('variantForm').addEventListener('submit', function(e) {
    e.preventDefault();
    
    const formData = new FormData(this);
    
    // Ensure checkbox values are included (unchecked boxes are not included in FormData)
    formData.set('is_addon', document.getElementById('is_addon').checked ? '1' : '0');
    formData.set('is_upgrade', document.getElementById('is_upgrade').checked ? '1' : '0');
    formData.set('is_package', document.getElementById('is_package').checked ? '1' : '0');
    formData.set('mobile_available', document.getElementById('mobile_available').checked ? '1' : '0');
    
    const variantId = document.getElementById('variantId').value;
    const method = document.getElementById('formMethod').value;
    
    let url;
    let fetchMethod = 'POST';
    
    if (method === 'PUT') {
        url = `{{ route('vendors.services.variants.update', ['vendor' => $vendor, 'service' => $service, 'variant' => ':id']) }}`.replace(':id', variantId);
        // For PUT requests, we need to include _method in the form data
        formData.set('_method', 'PUT');
    } else {
        url = `{{ route('vendors.services.variants.store', ['vendor' => $vendor, 'service' => $service]) }}`;
        // Ensure _method is not set for POST requests
        formData.delete('_method');
    }
    
    console.log('Submitting to URL:', url);
    console.log('Method:', fetchMethod);
    console.log('Form data:', Array.from(formData.entries()));
    
    fetch(url, {
        method: fetchMethod,
        headers: {
            'X-CSRF-TOKEN': '{{ csrf_token() }}',
            'X-Requested-With': 'XMLHttpRequest',
            'Accept': 'application/json'
        },
        body: formData
    })
    .then(response => {
        const contentType = response.headers.get('content-type');
        if (!response.ok) {
            // If response is not ok, log it for debugging
            return response.text().then(text => {
                console.error('Server error response:', text);
                if (contentType && contentType.includes('application/json')) {
                    try {
                        const errorData = JSON.parse(text);
                        throw new Error(errorData.message || `HTTP ${response.status}: ${response.statusText}`);
                    } catch (e) {
                        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                    }
                } else {
                    throw new Error(`HTTP ${response.status}: Server returned HTML instead of JSON`);
                }
            });
        }
        
        // Check if response is JSON
        if (contentType && contentType.includes('application/json')) {
            return response.json();
        } else {
            // If not JSON, it might be a redirect or HTML error page
            return response.text().then(text => {
                console.error('Non-JSON response:', text);
                throw new Error('Server returned HTML instead of JSON - check if request is being redirected');
            });
        }
    })
    .then(data => {
        if (data.success) {
            // Close modal and reload page
            const modal = bootstrap.Modal.getInstance(document.getElementById('createVariantModal'));
            if (modal) modal.hide();
            location.reload();
        } else {
            alert(data.message || 'Error saving variant');
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('Error saving variant: ' + error.message);
    });
});

// Reset form when modal is hidden
document.getElementById('createVariantModal').addEventListener('hidden.bs.modal', function() {
    resetForm();
});
</script>
@endsection
@endsection