rayhan-erp/frontend/lib/screens/stock_detail_screen.dart

378 lines
14 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:intl/intl.dart';
import '../models/article.dart';
import '../models/stock_movement.dart';
import '../providers/stock_provider.dart';
import '../providers/article_provider.dart';
class StockDetailScreen extends StatefulWidget {
final Article article;
const StockDetailScreen({super.key, required this.article});
@override
State<StockDetailScreen> createState() => _StockDetailScreenState();
}
class _StockDetailScreenState extends State<StockDetailScreen> {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<StockProvider>().loadHistorique(widget.article.id!);
});
}
@override
Widget build(BuildContext context) {
final stockProvider = context.watch<StockProvider>();
final historique = stockProvider.historiqueOf(widget.article.id!);
final article = widget.article;
final priceFmt = NumberFormat.currency(locale: 'fr_TN', symbol: 'TND', decimalDigits: 3);
return Scaffold(
backgroundColor: const Color(0xFFF5F7FA),
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
title: Text(article.reference, style: const TextStyle(fontWeight: FontWeight.bold)),
actions: [
IconButton(
icon: const Icon(Icons.tune_outlined),
tooltip: 'Ajustement manuel',
onPressed: () => _showAdjustDialog(context),
),
],
),
body: ListView(
padding: const EdgeInsets.all(16),
children: [
// Carte résumé article
Container(
decoration: BoxDecoration(
gradient: LinearGradient(
colors: article.enAlerte
? [Colors.red[600]!, Colors.red[400]!]
: [const Color(0xFF1565C0), const Color(0xFF1976D2)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(16),
),
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(article.designation,
style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 16)),
const SizedBox(height: 4),
Text('${article.type} · ${article.uniteMesure ?? ''}',
style: const TextStyle(color: Colors.white70, fontSize: 12)),
const SizedBox(height: 20),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
_StatCol(label: 'Stock actuel', value: article.stockActuel.toStringAsFixed(2)),
_StatCol(label: 'Seuil minimum', value: article.stockMinimum.toStringAsFixed(2)),
_StatCol(label: 'Prix unitaire', value: priceFmt.format(article.prixUnitaire)),
],
),
if (article.enAlerte) ...[
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(8),
),
child: const Row(
children: [
Icon(Icons.warning_amber, color: Colors.white, size: 16),
SizedBox(width: 8),
Text('Stock inférieur au seuil minimum — réapprovisionner',
style: TextStyle(color: Colors.white, fontSize: 12)),
],
),
),
],
],
),
),
const SizedBox(height: 20),
// Historique
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text('Historique des mouvements',
style: TextStyle(fontWeight: FontWeight.w700, fontSize: 14)),
if (stockProvider.isLoading)
const SizedBox(
width: 16, height: 16,
child: CircularProgressIndicator(strokeWidth: 2)),
],
),
const SizedBox(height: 10),
if (historique.isEmpty && !stockProvider.isLoading)
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: Colors.white, borderRadius: BorderRadius.circular(12)),
child: Center(
child: Text('Aucun mouvement enregistré',
style: TextStyle(color: Colors.grey[500])),
),
),
...historique.map((m) => _MovementCard(movement: m)),
const SizedBox(height: 32),
],
),
);
}
void _showAdjustDialog(BuildContext context) {
final qteCtrl = TextEditingController();
final motifCtrl = TextEditingController();
String type = 'IN';
showDialog(
context: context,
builder: (ctx) => StatefulBuilder(
builder: (ctx, setDlgState) => AlertDialog(
title: const Text('Ajustement de stock'),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(widget.article.designation,
style: const TextStyle(fontWeight: FontWeight.w600)),
Text('Stock actuel : ${widget.article.stockActuel}',
style: TextStyle(color: Colors.grey[600], fontSize: 13)),
const SizedBox(height: 16),
Row(
children: [
Expanded(
child: _TypeBtn(
label: 'Entrée',
icon: Icons.add_circle_outline,
color: Colors.green,
selected: type == 'IN',
onTap: () => setDlgState(() => type = 'IN'),
),
),
const SizedBox(width: 8),
Expanded(
child: _TypeBtn(
label: 'Sortie',
icon: Icons.remove_circle_outline,
color: Colors.red,
selected: type == 'OUT',
onTap: () => setDlgState(() => type = 'OUT'),
),
),
],
),
const SizedBox(height: 12),
TextField(
controller: qteCtrl,
keyboardType: TextInputType.number,
decoration: InputDecoration(
labelText: 'Quantité',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
filled: true,
fillColor: const Color(0xFFF8F9FA),
),
),
const SizedBox(height: 12),
TextField(
controller: motifCtrl,
decoration: InputDecoration(
labelText: 'Motif',
hintText: 'Inventaire, correction, perte…',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
filled: true,
fillColor: const Color(0xFFF8F9FA),
),
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: const Text('Annuler'),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: type == 'IN' ? Colors.green : Colors.red,
foregroundColor: Colors.white,
),
onPressed: () async {
final qte = double.tryParse(qteCtrl.text) ?? 0;
if (qte <= 0) return;
Navigator.pop(ctx);
final err = await context.read<StockProvider>().adjust(
articleId: widget.article.id!,
quantite: qte,
type: type,
motif: motifCtrl.text.trim().isEmpty
? 'Ajustement manuel'
: motifCtrl.text.trim(),
);
// Recharger l'article pour mettre à jour le stock affiché
if (context.mounted) {
context.read<ArticleProvider>().load();
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(err ?? 'Stock ajusté avec succès'),
backgroundColor: err == null ? Colors.green : Colors.red,
));
}
},
child: const Text('Confirmer'),
),
],
),
),
);
}
}
class _StatCol extends StatelessWidget {
final String label;
final String value;
const _StatCol({required this.label, required this.value});
@override
Widget build(BuildContext context) => Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(label, style: const TextStyle(color: Colors.white60, fontSize: 11)),
const SizedBox(height: 2),
Text(value,
style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 15)),
],
);
}
class _MovementCard extends StatelessWidget {
final StockMovement movement;
const _MovementCard({required this.movement});
@override
Widget build(BuildContext context) {
final isIn = movement.isEntree;
final color = isIn ? Colors.green : Colors.red;
return Container(
margin: const EdgeInsets.only(bottom: 8),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10),
boxShadow: [
BoxShadow(color: Colors.black.withOpacity(0.04), blurRadius: 6, offset: const Offset(0, 1)),
],
),
child: Padding(
padding: const EdgeInsets.all(12),
child: Row(
children: [
Container(
width: 38,
height: 38,
decoration: BoxDecoration(
color: color.withOpacity(0.1),
borderRadius: BorderRadius.circular(8),
),
child: Icon(
isIn ? Icons.arrow_downward_rounded : Icons.arrow_upward_rounded,
color: color,
size: 20,
),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
isIn ? '+${movement.quantite}' : '-${movement.quantite}',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
color: color),
),
Text(movement.dateFormatted,
style: TextStyle(color: Colors.grey[500], fontSize: 11)),
],
),
const SizedBox(height: 2),
Text(movement.sourceLabel,
style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w500)),
if (movement.referenceDocument != null &&
movement.referenceDocument != 'ADJ') ...[
Text(movement.referenceDocument!,
style: TextStyle(color: Colors.grey[500], fontSize: 11)),
],
if (movement.motif != null) ...[
Text(movement.motif!,
style: TextStyle(color: Colors.grey[500], fontSize: 11)),
],
if (movement.stockApres != null) ...[
const SizedBox(height: 2),
Text(
'Stock après : ${movement.stockApres!.toStringAsFixed(2)}',
style: TextStyle(color: Colors.grey[600], fontSize: 11),
),
],
],
),
),
],
),
),
);
}
}
class _TypeBtn extends StatelessWidget {
final String label;
final IconData icon;
final Color color;
final bool selected;
final VoidCallback onTap;
const _TypeBtn({
required this.label, required this.icon, required this.color,
required this.selected, required this.onTap,
});
@override
Widget build(BuildContext context) => GestureDetector(
onTap: onTap,
child: Container(
padding: const EdgeInsets.symmetric(vertical: 10),
decoration: BoxDecoration(
color: selected ? color.withOpacity(0.12) : Colors.grey[100],
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: selected ? color : Colors.grey[300]!, width: selected ? 1.5 : 1),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(icon, color: selected ? color : Colors.grey, size: 18),
const SizedBox(width: 6),
Text(label,
style: TextStyle(
color: selected ? color : Colors.grey[600],
fontWeight: selected ? FontWeight.w600 : FontWeight.normal,
fontSize: 13)),
],
),
),
);
}