@extends('garage.layouts.app')

@section('title', 'Edit Service Group')

@push('scripts')
<script>
let serviceGroupItems = [
    @foreach($items as $item)
    {
        item_type: '{{ $item->item_type }}',
        part_id: {{ $item->part_id ? $item->part_id : 'null' }},
        labor_id: {{ $item->labor_id ? $item->labor_id : 'null' }},
        quantity: {{ $item->quantity }},
        unit_price: {{ $item->unit_price }},
        total_price: {{ $item->total_price }}
    }@if(!$loop->last),@endif
    @endforeach
];

function addItem() {
    const itemType = document.getElementById('itemType').value;
    const partId = document.getElementById('partId').value;
    const laborId = document.getElementById('laborId').value;
    const quantity = parseFloat(document.getElementById('quantity').value) || 1;
    const unitPrice = parseFloat(document.getElementById('unitPrice').value) || 0;

    if (itemType === 'part' && !partId) {
        alert('Please select a part');
        return;
    }
    if (itemType === 'labor' && !laborId) {
        alert('Please select a labor');
        return;
    }

    const item = {
        item_type: itemType,
        part_id: itemType === 'part' ? partId : null,
        labor_id: itemType === 'labor' ? laborId : null,
        quantity: quantity,
        unit_price: unitPrice,
        total_price: quantity * unitPrice
    };

    serviceGroupItems.push(item);
    updateItemsTable();
    resetItemForm();
}

function removeItem(index) {
    serviceGroupItems.splice(index, 1);
    updateItemsTable();
}

function updateItemsTable() {
    const tbody = document.getElementById('itemsTableBody');
    tbody.innerHTML = '';
    let total = 0;

    serviceGroupItems.forEach((item, index) => {
        const row = document.createElement('tr');
        let itemName = '';
        if (item.item_type === 'part') {
            const option = document.querySelector(`#partId option[value="${item.part_id}"]`);
            itemName = option ? option.textContent : 'Part #' + item.part_id;
        } else {
            const option = document.querySelector(`#laborId option[value="${item.labor_id}"]`);
            itemName = option ? option.textContent : 'Labor #' + item.labor_id;
        }
        
        total += item.total_price;
        
        row.innerHTML = `
            <td>${itemName}</td>
            <td>${item.item_type === 'part' ? 'Part' : 'Labor'}</td>
            <td>${item.quantity}</td>
            <td>PKR ${item.unit_price.toFixed(2)}</td>
            <td>PKR ${item.total_price.toFixed(2)}</td>
            <td>
                <button type="button" class="btn btn-sm btn-outline-danger" onclick="removeItem(${index})">
                    <i class="bi bi-trash"></i>
                </button>
            </td>
        `;
        tbody.appendChild(row);
    });

    document.getElementById('totalPrice').textContent = total.toFixed(2);
    document.getElementById('totalPriceInput').value = total.toFixed(2);
}

function resetItemForm() {
    document.getElementById('itemType').value = 'part';
    document.getElementById('partId').value = '';
    document.getElementById('laborId').value = '';
    document.getElementById('quantity').value = '1';
    document.getElementById('unitPrice').value = '';
    updateItemTypeFields();
}

function updateItemTypeFields() {
    const itemType = document.getElementById('itemType').value;
    document.getElementById('partField').style.display = itemType === 'part' ? 'block' : 'none';
    document.getElementById('laborField').style.display = itemType === 'labor' ? 'block' : 'none';
}

document.addEventListener('DOMContentLoaded', function() {
    document.getElementById('itemType').addEventListener('change', updateItemTypeFields);
    updateItemTypeFields();
    updateItemsTable();
});
</script>
@endpush

@section('content')
<div class="row">
    <div class="col-12">
        <div class="card">
            <div class="card-header d-flex align-items-center justify-content-between">
                <h5 class="card-title mb-0"><i class="bi bi-collection me-2"></i>Edit Service Group</h5>
                <a href="{{ route('garage.service-groups.index') }}" class="btn btn-sm btn-outline-secondary">
                    <i class="bi bi-arrow-left me-1"></i>Back to List
                </a>
            </div>
            <div class="card-body">
                <form method="POST" action="{{ route('garage.service-groups.update', $serviceGroup->id) }}" id="serviceGroupForm">
                    @csrf
                    @method('PUT')

                    <div class="row mb-4">
                        <div class="col-md-6">
                            <h6 class="mb-3 text-muted">Basic Information</h6>
                            <div class="mb-3">
                                <label class="form-label">Service Group Name <span class="text-danger">*</span></label>
                                <input type="text" class="form-control @error('name') is-invalid @enderror" name="name" value="{{ old('name', $serviceGroup->name) }}" required>
                                @error('name')<div class="invalid-feedback">{{ $message }}</div>@enderror
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Code</label>
                                <input type="text" class="form-control @error('code') is-invalid @enderror" name="code" value="{{ old('code', $serviceGroup->code) }}">
                                @error('code')<div class="invalid-feedback">{{ $message }}</div>@enderror
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Description</label>
                                <textarea class="form-control @error('description') is-invalid @enderror" name="description" rows="3">{{ old('description', $serviceGroup->description) }}</textarea>
                                @error('description')<div class="invalid-feedback">{{ $message }}</div>@enderror
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Estimated Time (Hours)</label>
                                <input type="number" step="0.5" class="form-control @error('estimated_time') is-invalid @enderror" name="estimated_time" value="{{ old('estimated_time', $serviceGroup->estimated_time) }}" min="0">
                                @error('estimated_time')<div class="invalid-feedback">{{ $message }}</div>@enderror
                            </div>
                            <div class="mb-3">
                                <div class="form-check form-switch">
                                    <input class="form-check-input" type="checkbox" name="is_active" id="is_active" value="1" {{ old('is_active', $serviceGroup->is_active) ? 'checked' : '' }}>
                                    <label class="form-check-label" for="is_active">Active</label>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <h6 class="mb-3 text-muted">Add Items</h6>
                            <div class="mb-3">
                                <label class="form-label">Item Type</label>
                                <select class="form-select" id="itemType">
                                    <option value="part">Part</option>
                                    <option value="labor">Labor</option>
                                </select>
                            </div>
                            <div class="mb-3" id="partField">
                                <label class="form-label">Part</label>
                                <select class="form-select" id="partId">
                                    <option value="">Select Part</option>
                                    @foreach($parts as $part)
                                    <option value="{{ $part->id }}" data-price="{{ $part->selling_price }}">{{ $part->name }} - PKR {{ number_format($part->selling_price, 2) }}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="mb-3" id="laborField" style="display: none;">
                                <label class="form-label">Labor</label>
                                <select class="form-select" id="laborId">
                                    <option value="">Select Labor</option>
                                    @foreach($labors as $labor)
                                    <option value="{{ $labor->id }}" data-price="{{ $labor->rate }}">{{ $labor->name }} - PKR {{ number_format($labor->rate, 2) }}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Quantity</label>
                                <input type="number" step="0.01" class="form-control" id="quantity" value="1" min="0.01">
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Unit Price</label>
                                <div class="input-group">
                                    <span class="input-group-text">PKR</span>
                                    <input type="number" step="0.01" class="form-control" id="unitPrice" min="0">
                                </div>
                            </div>
                            <button type="button" class="btn btn-primary" onclick="addItem()">
                                <i class="bi bi-plus-lg me-1"></i>Add Item
                            </button>
                        </div>
                    </div>

                    <div class="mb-4">
                        <h6 class="mb-3">Items in Service Group</h6>
                        <div class="table-responsive">
                            <table class="table table-bordered">
                                <thead class="table-light">
                                    <tr>
                                        <th>Item</th>
                                        <th>Type</th>
                                        <th>Quantity</th>
                                        <th>Unit Price</th>
                                        <th>Total</th>
                                        <th>Action</th>
                                    </tr>
                                </thead>
                                <tbody id="itemsTableBody">
                                </tbody>
                                <tfoot>
                                    <tr>
                                        <td colspan="4" class="text-end fw-bold">Total Price:</td>
                                        <td class="fw-bold">$<span id="totalPrice">0.00</span></td>
                                        <td></td>
                                    </tr>
                                </tfoot>
                            </table>
                        </div>
                        <input type="hidden" name="total_price" id="totalPriceInput" value="0">
                        <input type="hidden" name="items" id="itemsInput" value="">
                    </div>

                    <div class="d-flex justify-content-end gap-2 mt-4">
                        <a href="{{ route('garage.service-groups.index') }}" class="btn btn-secondary">Cancel</a>
                        <button type="submit" class="btn btn-primary" onclick="document.getElementById('itemsInput').value = JSON.stringify(serviceGroupItems);">
                            <i class="bi bi-check-lg me-1"></i>Update Service Group
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
@endsection