@extends('admin.layouts.app')
@section('content')
<div class="container-xl">
    <div class="card">
        <div class="card-body p-0">
            <form method="post" action="{{ route('panel.wadapatra.update', $edit->id) }}" class="needs-validation" novalidate=""
                id="birth-form">
                @csrf
                @method('PUT')

                <div class="card-header">
                    <h4>Edit Nagarik Wada Patra</h4>
                </div>
                <div class="card-body">
                    <div class="row ">
                
                        <!-- Relations Section -->
                        <div class="col-12">
                            <div class="card-header">
                                <div class="d-flex justify-content-between align-items-center">
                                    <h6 class="text-primary mb-0">विषय</h6>
                                    <button type="button" class="btn btn-sm btn-success add-relation-top-btn">
                                        <i class="fas fa-plus"></i> थप विषय
                                    </button>
                                </div>
                            </div>
                            <div id="relations-container">
                                @php
                                    $relations = is_string($edit->relations) ? json_decode($edit->relations, true) : $edit->relations;
                                    if(empty($relations)) {
                                        $relations = [];
                                    }
                                @endphp
                                
                                @forelse($relations as $index => $relation)
                                <div class="row relation-row" data-index="{{ $index }}">
                                    <div class="form-group col-md-2 col-2 mb-3">
                                        <label>विषय</label>
                                        <input type="text" class="form-control nepali-input" 
                                            name="relations[{{ $index }}][title]"
                                            value="{{ old('relations.'.$index.'.title', $relation['relation'] ?? '') }}" 
                                            required="">
                                        <div class="invalid-feedback">
                                            कृपया विषय भर्नुहोस्
                                        </div>
                                    </div>

                                    <div class="form-group col-md-8 col-8 mb-3">
                                        <label>कागजात पत्र</label>
                                        <textarea class="form-control nepali-input" 
                                            name="relations[{{ $index }}][document]" 
                                            required="">{{ old('relations.'.$index.'.document', $relation['relation_name'] ?? '') }}</textarea>
                                        <div class="invalid-feedback">
                                            कृपया कागजात पत्र भर्नुहोस्
                                        </div>
                                    </div>

                                    <div class="form-group col-md-2 col-2 d-flex align-items-end">
                                        <button type="button" class="btn btn-danger remove-relation-btn mb-3"
                                            style="width: 100%;">
                                            <i class="fas fa-minus"></i>
                                        </button>
                                    </div>
                                </div>
                                @empty
                                <div class="row relation-row" data-index="0">
                                    <div class="form-group col-md-2 col-2 mb-3">
                                        <label>विषय</label>
                                        <input type="text" class="form-control nepali-input" 
                                            name="relations[0][title]"
                                            value="{{ old('relations.0.title') }}" 
                                            required="">
                                        <div class="invalid-feedback">
                                            कृपया विषय भर्नुहोस्
                                        </div>
                                    </div>

                                    <div class="form-group col-md-8 col-8 mb-3">
                                        <label>कागजात पत्र</label>
                                        <textarea class="form-control nepali-input" 
                                            name="relations[0][document]" 
                                            required="">{{ old('relations.0.document') }}</textarea>
                                        <div class="invalid-feedback">
                                            कृपया कागजात पत्र भर्नुहोस्
                                        </div>
                                    </div>

                                    <div class="form-group col-md-2 col-2 d-flex align-items-end">
                                        <button type="button" class="btn btn-danger remove-relation-btn mb-3"
                                            style="width: 100%;">
                                            <i class="fas fa-minus"></i>
                                        </button>
                                    </div>
                                </div>
                                @endforelse
                            </div>
                        </div>
                        <!-- End Relations Section -->

                    </div>
                </div>
                <div class="card-footer text-right">
                    <button type="submit" class="btn btn-primary">अद्यावधिक गर्नुहोस्</button>
                    <button type="reset" class="btn btn-secondary">रद्द गर्नुहोस्</button>
                    <a href="{{ route('panel.wadapatra.index') }}" class="btn btn-info">पछि फर्कनुहोस्</a>
                </div>
            </form>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
    document.addEventListener('DOMContentLoaded', function() {
        // Initialize relationIndex based on existing rows
        let relationIndex = document.querySelectorAll('.relation-row').length;
        const container = document.getElementById('relations-container');
        const addButton = document.querySelector('.add-relation-top-btn');

        function addRelationRow() {
            const newRow = document.createElement('div');
            newRow.className = 'row relation-row';
            newRow.setAttribute('data-index', relationIndex);

            newRow.innerHTML = `
                <div class="form-group col-md-2 col-2 mb-3">
                    <label>विषय</label>
                    <input type="text" class="form-control nepali-input" name="relations[${relationIndex}][title]" required="">
                    <div class="invalid-feedback">
                        कृपया विषय भर्नुहोस्
                    </div>
                </div>

                <div class="form-group col-md-8 col-8 mb-3">
                    <label>कागजात पत्र</label>
                    <textarea class="form-control nepali-input" name="relations[${relationIndex}][document]" required=""></textarea>
                    <div class="invalid-feedback">
                        कृपया कागजात पत्र भर्नुहोस्
                    </div>
                </div>

                <div class="form-group col-md-2 col-2 d-flex align-items-end">
                    <button type="button" class="btn btn-danger remove-relation-btn mb-3" style="width: 100%;">
                        <i class="fas fa-minus"></i>
                    </button>
                </div>
            `;

            container.appendChild(newRow);
            relationIndex++;
        }

        // Add new row when clicking the button
        if (addButton) {
            addButton.addEventListener('click', addRelationRow);
        }

        // Remove row when clicking remove button
        container.addEventListener('click', function(e) {
            const removeBtn = e.target.closest('.remove-relation-btn');
            if (removeBtn) {
                const row = removeBtn.closest('.relation-row');
                // Don't remove if it's the last row
                if (container.children.length > 1) {
                    row.remove();
                } else {
                    alert('कम्तिमा एउटा विषय राख्नुहोस्');
                }
            }
        });
    });
</script>
@endpush