@extends('layouts.app')

@section('title', 'Nouvel Achat')

@section('breadcrumb')
    <li class="breadcrumb-item"><a href="{{ route('dashboard') }}">Tableau de bord</a></li>
    <li class="breadcrumb-item"><a href="{{ route('purchases.index') }}">Achats</a></li>
    <li class="breadcrumb-item active">Nouveau</li>
@endsection

@section('content')
<div class="row justify-content-center">
    <div class="col-md-10">
        <div class="card">
            <div class="card-header">Enregistrer un nouvel achat</div>
            <div class="card-body">
                <form action="{{ route('purchases.store') }}" method="POST">
                    @csrf
                    
                    <div class="row g-3 mb-4">
                        <div class="col-md-6">
                            <label for="supplier_id" class="form-label">Fournisseur <span class="text-danger">*</span></label>
                            <div class="input-group">
                                <select name="supplier_id" id="supplier_id" class="form-select @error('supplier_id') is-invalid @enderror" required>
                                    <option value="">Choisir un fournisseur...</option>
                                    @foreach($suppliers as $supplier)
                                        <option value="{{ $supplier->id }}" {{ old('supplier_id') == $supplier->id ? 'selected' : '' }}>
                                            {{ $supplier->name }}
                                        </option>
                                    @endforeach
                                </select>
                                <button type="button" class="btn btn-outline-success" data-bs-toggle="modal"
                                        data-bs-target="#qaModalSupplier" data-target-select="supplier_id" title="Ajouter un fournisseur">
                                    <i class="bi bi-plus-lg"></i>
                                </button>
                            </div>
                            @error('supplier_id')
                                <div class="invalid-feedback d-block">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-6">
                            <label for="date" class="form-label">Date d'achat <span class="text-danger">*</span></label>
                            <input type="date" class="form-control @error('date') is-invalid @enderror"
                                   id="date" name="date" value="{{ old('date', date('Y-m-d')) }}" required>
                            @error('date')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-6">
                            <label for="status" class="form-label">Statut <span class="text-danger">*</span></label>
                            <select name="status" id="status" class="form-select @error('status') is-invalid @enderror" required>
                                <option value="commande" {{ old('status', 'commande') == 'commande' ? 'selected' : '' }}>En commande</option>
                                <option value="recue"    {{ old('status') == 'recue'   ? 'selected' : '' }}>Reçue</option>
                                <option value="annulee"  {{ old('status') == 'annulee' ? 'selected' : '' }}>Annulée</option>
                            </select>
                            @error('status')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>

                    <div class="d-flex align-items-center gap-2 mb-3">
                        <h5 class="mb-0">Articles achetés</h5>
                        <button type="button" class="btn btn-outline-success btn-sm" data-bs-toggle="modal"
                                data-bs-target="#qaModalStockItem" title="Ajouter un article de stock">
                            <i class="bi bi-plus-lg"></i>
                        </button>
                    </div>
                    <div id="items-container">
                        <div class="row g-2 mb-2 item-row">
                            <div class="col-md-5">
                                <select name="items[0][stock_item_id]" class="form-select" data-qa-type="stockitem" required>
                                    <option value="">Sélectionner un article...</option>
                                    @foreach($stockItems as $item)
                                        <option value="{{ $item->id }}">{{ $item->name }} ({{ $item->unit }})</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="col-md-2">
                                <input type="number" step="0.01" name="items[0][quantity]" class="form-control" placeholder="Qté" required oninput="calculateTotal()">
                            </div>
                            <div class="col-md-3">
                                <input type="number" step="0.01" name="items[0][unit_price]" class="form-control" placeholder="Prix Unitaire" required oninput="calculateTotal()">
                            </div>
                            <div class="col-md-2 d-grid">
                                <button type="button" class="btn btn-outline-danger remove-item" disabled><i class="bi bi-trash"></i></button>
                            </div>
                        </div>
                    </div>
                    
                    <button type="button" class="btn btn-outline-primary btn-sm mb-3" id="add-item">
                        <i class="bi bi-plus-circle"></i> Ajouter un article
                    </button>

                    <div class="row border-top pt-3">
                        <div class="col-md-6 offset-md-6">
                            <div class="bg-light p-3 rounded">
                                <div class="d-flex justify-content-between fs-5">
                                    <strong>Total:</strong>
                                    <span class="text-primary fw-bold" id="total-display">0 FCFA</span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="mt-4 text-end">
                        <a href="{{ route('purchases.index') }}" class="btn btn-secondary me-2">Annuler</a>
                        <button type="submit" class="btn btn-primary">Enregistrer</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

@include('partials.quick-add.modal-supplier')
@include('partials.quick-add.modal-stockitem')
@push('scripts')
<script>
    let itemCount = 1;

    document.getElementById('add-item').addEventListener('click', function() {
        const container = document.getElementById('items-container');
        const template = container.querySelector('.item-row').cloneNode(true);
        
        // Update names
        const inputs = template.querySelectorAll('input, select');
        inputs.forEach(input => {
            input.name = input.name.replace(/\[\d+\]/, `[${itemCount}]`);
            input.value = '';
        });

        // Enable remove button
        template.querySelector('.remove-item').disabled = false;
        template.querySelector('.remove-item').addEventListener('click', function() {
            this.closest('.item-row').remove();
            calculateTotal();
        });

        container.appendChild(template);
        itemCount++;
    });

    function calculateTotal() {
        let total = 0;
        document.querySelectorAll('.item-row').forEach(row => {
            const qty   = parseFloat(row.querySelector('input[name*="[quantity]"]').value) || 0;
            const price = parseFloat(row.querySelector('input[name*="[unit_price]"]').value) || 0;
            total += qty * price;
        });
        document.getElementById('total-display').textContent = new Intl.NumberFormat('fr-FR').format(total) + ' FCFA';
    }
</script>
@endpush
@endsection