powerage-ristoris-flutter/lib/ui/pages/orders/order_edit_page.dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:intl/intl.dart';
import 'package:ristoris/core/credit_score_color.dart';
import '../../../database/daos/sconti_dao.dart';
import '../../../providers/auth_provider.dart';
import '../../widgets/cod_desc_dropdown_item.dart';
import '../../../providers/order_provider.dart';
import '../../../providers/database_provider.dart';
import '../../../database/database.dart';
import '../../../database/daos/listini_dao.dart';
import '../../widgets/article_image.dart';
import 'selezione_cliente_page.dart';

class OrderEditPage extends ConsumerStatefulWidget {
  final int? id;
  final int? idCliente;
  const OrderEditPage({super.key, this.id, this.idCliente});

  @override
  ConsumerState<OrderEditPage> createState() => _OrderEditPageState();
}

class _OrderEditPageState extends ConsumerState<OrderEditPage>
    with SingleTickerProviderStateMixin {
  late TabController _tabController;

  final _artCtrl = TextEditingController();
  final _noteClienteCtrl = TextEditingController();
  final _noteOrdineCtrl = TextEditingController();
  final _riferimentoCtrl = TextEditingController();

  List<Articolo> _searchResults = [];
  bool _searching = false;
  bool _usaListinoCliente = true;

  List<Filiale> _filiali = [];
  List<Listino> _listini = [];
  List<Pagamento> _pagamenti = [];
  Cliente? _cliente;

  int? _selectedFiliale;
  int? _selectedListino;
  int? _selectedPagamento;

  bool _dataLoaded = false;

  @override
  void initState() {
    super.initState();
    _tabController = TabController(length: 2, vsync: this);
    _tabController.addListener(() {
      if (_tabController.index == 1 && _searchResults.isEmpty && _artCtrl.text.isEmpty) {
        _searchArticles('');
      }
    });
    WidgetsBinding.instance.addPostFrameCallback((_) => _init());
  }

  @override
  void dispose() {
    _tabController.dispose();
    _artCtrl.dispose();
    _noteClienteCtrl.dispose();
    _noteOrdineCtrl.dispose();
    _riferimentoCtrl.dispose();
    super.dispose();
  }

  Future<void> _init() async {
    final agente = ref.read(authProvider).agente;
    if (agente == null) return;

    if (widget.id != null) {
      await ref.read(orderProvider.notifier).loadOrder(widget.id!);
    } else if (widget.idCliente != null) {
      await ref
          .read(orderProvider.notifier)
          .createOrder(agente.idAgente, idCliente: widget.idCliente!);
    } else {
      await ref.read(orderProvider.notifier).createOrder(agente.idAgente);
    }

    final orderState = ref.read(orderProvider);
    final order = orderState.order;
    if (order == null) return;

    final cli = order.idCliente;
    final clientiDao = ref.read(clientiDaoProvider);
    final filialiDao = ref.read(filialiDaoProvider);
    final listiniDao = ref.read(listiniDaoProvider);
    final pagamentiDao = ref.read(pagamentiDaoProvider);

    if (cli != null) {
      _cliente = await clientiDao.getById(cli);
      _filiali = await filialiDao.getDestinationsForCustomer(cli);
    }
    _listini = await listiniDao.list();
    _pagamenti = await pagamentiDao.searchActive();

    setState(() {
      _selectedFiliale = order.idFiliale;
      _selectedListino = order.idListino ?? _cliente?.idListino;
      _selectedPagamento = order.idPagamento ?? _cliente?.idPagamento;
      _noteClienteCtrl.text = order.noteCliente ?? _cliente?.noteOrdine ?? '';
      _noteOrdineCtrl.text = order.noteOrdine ?? '';
      _riferimentoCtrl.text = order.riferimento ?? '';
      _dataLoaded = true;
    });
  }

  Future<void> _searchArticles(String q) async {
    setState(() => _searching = true);
    final dao = ref.read(articoliDaoProvider);
    final order = ref.read(orderProvider).order;
    final dataOrdine = order?.dataOrdine ?? DateTime.now().toIso8601String();
    List<Articolo> results;
    if (_usaListinoCliente && _cliente != null) {
      results = await dao.getArticoliPerListinoCliente(_cliente!.idCliente, dataOrdine);
    } else {
      results = await dao.getArticoliPerListinoAttivo(dataOrdine);
    }
    if (q.isNotEmpty) {
      final lower = q.toLowerCase();
      results = results.where((a) {
        final cod = (a.codArticolo ?? '').toLowerCase();
        final desc = (a.descrizione ?? '').toLowerCase();
        final ean = (a.ean ?? '').toLowerCase();
        return cod.contains(lower) || desc.contains(lower) || ean.contains(lower);
      }).toList();
    }
    setState(() {
      _searchResults = results;
      _searching = false;
    });
  }

  void _showArticlePicker(Articolo art) async {
    final agente = ref.read(authProvider).agente;
    final canEditPrice = agente?.modificaPrezzi == 1;
    final order = ref.read(orderProvider).order;
    final dataOrdine = order?.dataOrdine ?? DateTime.now().toIso8601String();
    final listini = await ref
        .read(listiniDaoProvider)
        .getListiniPerArticolo(art.idArticolo, dataOrdine);
    final listiniDao = ref.read(listiniDaoProvider);
    final scontiDao = ref.read(scontiDaoProvider);
    if (!context.mounted) return;

    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      builder: (_) => _ArticlePickerSheet(
        articolo: art,
        listini: listini,
        listiniDao: listiniDao,
        scontiDao: scontiDao,
        dataOrdine: dataOrdine,
        canEditPrezzo: canEditPrice,
        idListinoDefault: _selectedListino,
        onConfirm: (
          colli,
          quantita,
          prezzoLordo,
          prezzoNetto,
          listinoId, {
          double sconto1 = 0,
          double sconto2 = 0,
          double sconto3 = 0,
          double sconto4 = 0,
          double sconto5 = 0,
        }) {
          _addArticleWithDetails(
            art: art,
            idListino: listinoId,
            colli: colli,
            quantita: quantita,
            prezzoLordo: prezzoLordo,
            prezzoNetto: prezzoNetto,
            sconto1: sconto1,
            sconto2: sconto2,
            sconto3: sconto3,
            sconto4: sconto4,
            sconto5: sconto5,
          );
        },
      ),
    );
  }

  Future<void> _addArticleWithDetails({
    required Articolo art,
    required int idListino,
    required double colli,
    required double quantita,
    required double prezzoLordo,
    required double prezzoNetto,
    double? sconto1 = 0,
    double? sconto2 = 0,
    double? sconto3 = 0,
    double? sconto4 = 0,
    double? sconto5 = 0,
  }) async {
    final orderState = ref.read(orderProvider);
    var idOrdine = orderState.order?.idOrdine;
    if (idOrdine == null || idOrdine == 0) {
      await ref.read(orderProvider.notifier).saveOrder();
      idOrdine = ref.read(orderProvider).order?.idOrdine;
      if (idOrdine == null || idOrdine == 0) return;
    }

    await ref
        .read(orderProvider.notifier)
        .addLine(
          RigaOrdine(
            idRigaOrdine: 0,
            idOrdine: idOrdine,
            idArticolo: art.idArticolo,
            idListino: idListino,
            quantita: quantita,
            prezzoLordo: prezzoLordo,
            prezzoNetto: prezzoNetto,
            sconto1: sconto1,
            sconto2: sconto2,
            sconto3: sconto3,
            sconto4: sconto4,
            sconto5: sconto5,
            totale: prezzoNetto * quantita,
            promozione: 0,
            rigaPromozione: 0,
            colli: colli,
          ),
        );
    _artCtrl.clear();
    setState(() => _searchResults = []);
  }

  Future<void> _selezionaCliente() async {
    final agente = ref.read(authProvider).agente;
    if (agente == null) return;
    final cliente = await Navigator.push<Cliente>(
      context,
      MaterialPageRoute(
        builder: (_) => SelezioneClientePage(idAgente: agente.idAgente),
      ),
    );
    if (cliente != null) _onClienteSelezionato(cliente);
  }

  void _onClienteSelezionato(Cliente cliente) async {
    ref.read(orderProvider.notifier).setIdCliente(cliente.idCliente);
    final filialiDao = ref.read(filialiDaoProvider);
    final filiali = await filialiDao.getDestinationsForCustomer(
      cliente.idCliente,
    );
    setState(() {
      _cliente = cliente;
      _selectedFiliale = null;
      _selectedPagamento = cliente.idPagamento;
      _selectedListino = cliente.idListino;
      _filiali = filiali;
      _noteClienteCtrl.text = cliente.noteOrdine ?? '';
    });
  }

  Future<void> _salva() async {
    final notifier = ref.read(orderProvider.notifier);
    notifier.setIdFiliale(_selectedFiliale);
    notifier.setIdListino(_selectedListino);
    notifier.setIdPagamento(_selectedPagamento);
    notifier.setNoteCliente(_noteClienteCtrl.text);
    notifier.setNoteOrdine(_noteOrdineCtrl.text);
    notifier.setRiferimento(_riferimentoCtrl.text);

    await notifier.saveOrder();
    if (context.mounted) Navigator.pop(context);
  }

  @override
  Widget build(BuildContext context) {
    final orderState = ref.watch(orderProvider);
    final theme = Theme.of(context);

    return Scaffold(
      appBar: AppBar(
        title: Text('Ordine #${orderState.order?.numeroOrdine ?? 'nuovo'}'),
        bottom: TabBar(
          controller: _tabController,
          tabs: const [
            Tab(text: 'Testata'),
            Tab(text: 'Righe'),
          ],
        ),
      ),
      body: SafeArea(
        child: orderState.isLoading || !_dataLoaded
            ? const Center(child: CircularProgressIndicator())
            : TabBarView(
                controller: _tabController,
                children: [
                  _buildHeaderTab(theme),
                  _buildLinesTab(theme, orderState),
                ],
              ),
      ),
      floatingActionButton:
          _tabController.index == 1 && orderState.order?.idOrdine != null
          ? FloatingActionButton.extended(
              onPressed: _salva,
              icon: const Icon(Icons.save),
              label: const Text('Salva'),
            )
          : null,
    );
  }

  Widget _buildHeaderTab(ThemeData theme) {
    final cs = theme.colorScheme;
    final bgColor = creditScoreBg(_cliente?.creditScoreColor);

    return SingleChildScrollView(
      padding: const EdgeInsets.all(16),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Card(
            elevation: 0,
            color: Colors.white,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
              side: BorderSide(color: cs.outlineVariant),
            ),
            child: Padding(
              padding: const EdgeInsets.all(12),
              child: Row(
                children: [
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          'Cliente',
                          style: TextStyle(
                            fontSize: 12,
                            fontWeight: FontWeight.w600,
                            color: cs.onSurfaceVariant,
                          ),
                        ),
                        const SizedBox(height: 4),
                        if (_cliente != null)
                          Row(
                            children: [
                              Container(
                                padding: const EdgeInsets.symmetric(
                                  horizontal: 8,
                                  vertical: 4,
                                ),
                                decoration: BoxDecoration(
                                  color: bgColor ?? cs.surfaceVariant,
                                  borderRadius: BorderRadius.circular(4),
                                ),
                                child: Text(
                                  _cliente!.codCliente ?? '',
                                  style: TextStyle(
                                    fontSize: 12,
                                    height: 16 / 12,
                                    fontWeight: FontWeight.w500,
                                    color: bgColor != null
                                        ? Colors.white
                                        : cs.onSurfaceVariant,
                                  ),
                                ),
                              ),
                              const SizedBox(width: 8),
                              Expanded(
                                child: Text(
                                  _cliente!.ragioneSociale ?? '',
                                  style: theme.textTheme.bodyMedium?.copyWith(
                                    fontWeight: FontWeight.w600,
                                  ),
                                  maxLines: 1,
                                  overflow: TextOverflow.ellipsis,
                                ),
                              ),
                            ],
                          )
                        else
                          Text(
                            'Nessun cliente selezionato',
                            style: theme.textTheme.bodyMedium?.copyWith(
                              color: cs.onSurfaceVariant,
                            ),
                          ),
                      ],
                    ),
                  ),
                  IconButton(
                    icon: Icon(Icons.search, color: cs.primary),
                    onPressed: _selezionaCliente,
                  ),
                ],
              ),
            ),
          ),
          const SizedBox(height: 16),
          DropdownButtonFormField<int>(
            value: _selectedFiliale,
            decoration: const InputDecoration(labelText: 'Filiale'),
            items: _filiali
                .map(
                  (f) => DropdownMenuItem(
                    value: f.idFiliale,
                    child: CodDescDropdownItem(
                      codice: f.codFiliale,
                      descrizione: f.descrizione,
                    ),
                  ),
                )
                .toList(),
            onChanged: (v) => setState(() => _selectedFiliale = v),
          ),
          const SizedBox(height: 16),
          DropdownButtonFormField<int>(
            initialValue: _selectedListino,
            decoration: const InputDecoration(labelText: 'Listino'),
            items: _listini
                .map(
                  (l) => DropdownMenuItem(
                    value: l.idListino,
                    child: CodDescDropdownItem(
                      codice: l.codListino,
                      descrizione: l.descrizione,
                    ),
                  ),
                )
                .toList(),
            onChanged: (v) => setState(() => _selectedListino = v),
          ),
          const SizedBox(height: 16),
          DropdownButtonFormField<int>(
            initialValue: _selectedPagamento,
            decoration: const InputDecoration(labelText: 'Pagamento'),
            items: _pagamenti
                .map(
                  (p) => DropdownMenuItem(
                    value: p.idPagamento,
                    child: CodDescDropdownItem(
                      codice: p.codPagamento,
                      descrizione: p.descrizione,
                    ),
                  ),
                )
                .toList(),
            onChanged: (v) => setState(() => _selectedPagamento = v),
          ),
          const SizedBox(height: 16),
          TextFormField(
            controller: _noteClienteCtrl,
            decoration: const InputDecoration(
              labelText: 'Note Cliente',
              alignLabelWithHint: true,
            ),
            maxLines: 3,
          ),
          const SizedBox(height: 16),
          TextFormField(
            controller: _noteOrdineCtrl,
            decoration: const InputDecoration(
              labelText: 'Note Ordine',
              alignLabelWithHint: true,
            ),
            maxLines: 3,
          ),
          const SizedBox(height: 16),
          TextFormField(
            controller: _riferimentoCtrl,
            decoration: const InputDecoration(labelText: 'Riferimento'),
            maxLines: 1,
          ),
        ],
      ),
    );
  }

  Widget _buildLinesTab(ThemeData theme, OrderState orderState) {
    return Column(
      children: [
        Padding(
          padding: const EdgeInsets.all(12),
          child: Row(
            children: [
              Expanded(
                child: TextField(
                  controller: _artCtrl,
                  decoration: InputDecoration(
                    hintText: 'Cerca articolo...',
                    prefixIcon: const Icon(Icons.search),
                    suffixIcon: _searching
                        ? const SizedBox(
                            width: 20,
                            height: 20,
                            child: CircularProgressIndicator(strokeWidth: 2),
                          )
                        : null,
                  ),
                  onChanged: _searchArticles,
                ),
              ),
              const SizedBox(width: 8),
              FilterChip(
                label: const Text('Listino cliente'),
                selected: _usaListinoCliente,
                onSelected: (v) {
                  setState(() => _usaListinoCliente = v);
                  _searchArticles(_artCtrl.text);
                },
              ),
            ],
          ),
        ),
        if (_searchResults.isNotEmpty)
          SizedBox(
            height: 200,
            child: ListView.builder(
              itemCount: _searchResults.length,
              itemBuilder: (_, i) => ListTile(
                leading: ArticleImage(
                  idArticolo: _searchResults[i].idArticolo,
                  codArticolo: _searchResults[i].codArticolo,
                ),
                title: Text(_searchResults[i].descrizione ?? ''),
                subtitle: Text(_searchResults[i].codArticolo ?? ''),
                trailing: TextButton(
                  onPressed: () => _showArticlePicker(_searchResults[i]),
                  child: const Text('Aggiungi'),
                ),
              ),
            ),
          ),
        Expanded(
          child: orderState.lines.isEmpty
              ? const Center(child: Text('Nessun articolo'))
              : ListView.builder(
                  itemCount: orderState.lines.length,
                  itemBuilder: (_, i) => _LineCard(
                    line: orderState.lines[i],
                    onDelete: () => ref
                        .read(orderProvider.notifier)
                        .removeLine(orderState.lines[i].idRigaOrdine),
                    theme: theme,
                  ),
                ),
        ),
        Container(
          padding: const EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: theme.colorScheme.surfaceContainerHighest,
            border: Border(top: BorderSide(color: theme.dividerColor)),
          ),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              Text('Qtà: ${orderState.totQta.toStringAsFixed(1)}'),
              Text(
                'Totale: ${NumberFormat.currency(locale: 'it', symbol: '€').format(orderState.totale)}',
                style: theme.textTheme.titleMedium?.copyWith(
                  fontWeight: FontWeight.bold,
                ),
              ),
            ],
          ),
        ),
      ],
    );
  }
}

class _LineCard extends StatelessWidget {
  final RigaOrdine line;
  final VoidCallback onDelete;
  final ThemeData theme;

  const _LineCard({
    required this.line,
    required this.onDelete,
    required this.theme,
  });

  @override
  Widget build(BuildContext context) {
    final isPromo = line.rigaPromozione == 1;
    return Card(
      margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
      color: isPromo ? Colors.green.shade50 : null,
      child: ListTile(
        title: Text(
          'Articolo #${line.idArticolo ?? ''}',
          style: TextStyle(fontWeight: isPromo ? FontWeight.bold : null),
        ),
        subtitle: Text(
          'Qtà: ${line.quantita?.toStringAsFixed(1) ?? "0"}  Prezzo: ${line.prezzoNetto?.toStringAsFixed(2) ?? "0,00"}€',
        ),
        trailing: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            if (isPromo)
              Container(
                padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
                decoration: BoxDecoration(
                  color: Colors.green,
                  borderRadius: BorderRadius.circular(8),
                ),
                child: const Text(
                  'PROMO',
                  style: TextStyle(color: Colors.white, fontSize: 10),
                ),
              ),
            if (!isPromo)
              IconButton(
                icon: const Icon(Icons.delete_outline, size: 20),
                onPressed: onDelete,
              ),
          ],
        ),
      ),
    );
  }
}

class _ArticlePickerSheet extends StatefulWidget {
  final Articolo articolo;
  final List<Listino> listini;
  final ListiniDao listiniDao;
  final ScontiDao scontiDao;
  final String dataOrdine;
  final bool canEditPrezzo;
  final int? idListinoDefault;
  final void Function(
    double colli,
    double quantita,
    double prezzoLordo,
    double prezzoNetto,
    int listinoId, {
    double sconto1,
    double sconto2,
    double sconto3,
    double sconto4,
    double sconto5,
  })
  onConfirm;

  const _ArticlePickerSheet({
    required this.articolo,
    required this.listini,
    required this.listiniDao,
    required this.scontiDao,
    required this.dataOrdine,
    required this.canEditPrezzo,
    this.idListinoDefault,
    required this.onConfirm,
  });

  @override
  State<_ArticlePickerSheet> createState() => _ArticlePickerSheetState();
}

class _ArticlePickerSheetState extends State<_ArticlePickerSheet> {
  final _colliCtrl = TextEditingController();
  final _qtaCtrl = TextEditingController();
  final _prezzoCtrl = TextEditingController();
  final _sconto1Ctrl = TextEditingController();
  final _sconto2Ctrl = TextEditingController();
  final _sconto3Ctrl = TextEditingController();
  final _sconto4Ctrl = TextEditingController();
  final _sconto5Ctrl = TextEditingController();

  int? _selectedListino;
  double _prezzo = 0;
  double _prezzoNetto = 0;
  double _sconto1 = 0;
  double _sconto2 = 0;
  double _sconto3 = 0;
  double _sconto4 = 0;
  double _sconto5 = 0;

  bool _updatingColli = false;
  bool _updatingQta = false;

  @override
  void initState() {
    super.initState();
    _selectedListino = widget.idListinoDefault;
    if (_selectedListino != null) {
      _loadPrezzo(_selectedListino!);
    }
  }

  @override
  void dispose() {
    _colliCtrl.dispose();
    _qtaCtrl.dispose();
    _prezzoCtrl.dispose();
    _sconto1Ctrl.dispose();
    _sconto2Ctrl.dispose();
    _sconto3Ctrl.dispose();
    _sconto4Ctrl.dispose();
    _sconto5Ctrl.dispose();
    super.dispose();
  }

  Future<void> _loadPrezzo(int idListino) async {
    final lp = await widget.listiniDao.findListinoArticolo(
      idListino,
      widget.articolo.idArticolo,
    );
    if (lp != null) {
      if (lp.prezzo != null) {
        setState(() => _prezzo = lp.prezzo!);
        _prezzoCtrl.text = _prezzo.toStringAsFixed(2);
      }
      if (lp.idSconto != null) {
        final sconto = await widget.scontiDao.findById(lp.idSconto!);
        setState(() {
          _sconto1 = sconto?.sconto1 ?? 0;
          _sconto2 = sconto?.sconto2 ?? 0;
          _sconto3 = sconto?.sconto3 ?? 0;
          _sconto4 = sconto?.sconto4 ?? 0;
          _sconto5 = sconto?.sconto5 ?? 0;
        });
        _sconto1Ctrl.text = _sconto1 > 0 ? _sconto1.toStringAsFixed(1) : '';
        _sconto2Ctrl.text = _sconto2 > 0 ? _sconto2.toStringAsFixed(1) : '';
        _sconto3Ctrl.text = _sconto3 > 0 ? _sconto3.toStringAsFixed(1) : '';
        _sconto4Ctrl.text = _sconto4 > 0 ? _sconto4.toStringAsFixed(1) : '';
        _sconto5Ctrl.text = _sconto5 > 0 ? _sconto5.toStringAsFixed(1) : '';
      } else {
        _resetSconti();
      }
      _calcolaPrezzoNetto();
    }
  }

  void _resetSconti() {
    setState(() {
      _sconto1 = 0;
      _sconto2 = 0;
      _sconto3 = 0;
      _sconto4 = 0;
      _sconto5 = 0;
    });
    _sconto1Ctrl.clear();
    _sconto2Ctrl.clear();
    _sconto3Ctrl.clear();
    _sconto4Ctrl.clear();
    _sconto5Ctrl.clear();
  }

  void _calcolaPrezzoNetto() {
    double n = _prezzo;
    n *= (100 - _sconto1) / 100;
    n *= (100 - _sconto2) / 100;
    n *= (100 - _sconto3) / 100;
    n *= (100 - _sconto4) / 100;
    n *= (100 - _sconto5) / 100;
    setState(() => _prezzoNetto = n);
  }

  void _onPrezzoChanged(String v) {
    setState(() => _prezzo = double.tryParse(v) ?? 0);
    _calcolaPrezzoNetto();
  }

  void _onScontoChanged(int index, String v) {
    final val = double.tryParse(v) ?? 0;
    setState(() {
      switch (index) {
        case 1:
          _sconto1 = val;
        case 2:
          _sconto2 = val;
        case 3:
          _sconto3 = val;
        case 4:
          _sconto4 = val;
        case 5:
          _sconto5 = val;
      }
    });
    _calcolaPrezzoNetto();
  }

  void _onColliChanged(String v) {
    if (_updatingColli) return;
    _updatingQta = true;
    final colli = double.tryParse(v) ?? 0;
    final pezzi = widget.articolo.pezziConfezione ?? 0;
    if (colli > 0 && pezzi > 0) {
      _qtaCtrl.text = (colli * pezzi).toStringAsFixed(1);
    } else if (colli == 0) {
      _qtaCtrl.text = '';
    }
    _updatingQta = false;
  }

  void _onQtaChanged(String v) {
    if (_updatingQta) return;
    _updatingColli = true;
    final qta = double.tryParse(v) ?? 0;
    if (qta > 0) {
      _colliCtrl.text = '0';
    } else if (qta == 0) {
      _colliCtrl.text = '';
    }
    _updatingColli = false;
  }

  void _confirm() {
    final colli = double.tryParse(_colliCtrl.text) ?? 0;
    final qta = double.tryParse(_qtaCtrl.text) ?? 0;
    final prezzoLordo = double.tryParse(_prezzoCtrl.text) ?? 0;
    final listinoId = _selectedListino ?? 0;
    widget.onConfirm(
      colli,
      qta,
      prezzoLordo,
      _prezzoNetto,
      listinoId,
      sconto1: _sconto1,
      sconto2: _sconto2,
      sconto3: _sconto3,
      sconto4: _sconto4,
      sconto5: _sconto5,
    );
    Navigator.pop(context);
  }

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Padding(
      padding: EdgeInsets.only(
        bottom: MediaQuery.of(context).viewInsets.bottom,
        left: 16,
        right: 16,
        top: 16,
      ),
      child: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              widget.articolo.descrizione ?? '',
              style: theme.textTheme.titleMedium,
            ),
            const SizedBox(height: 4),
            Text(
              widget.articolo.codArticolo ?? '',
              style: theme.textTheme.bodySmall,
            ),
            if (widget.articolo.pezziConfezione != null)
              Text(
                'Pezzi/confezione: ${widget.articolo.pezziConfezione}',
                style: theme.textTheme.bodySmall,
              ),
            const SizedBox(height: 16),
            DropdownButtonFormField<int>(
              value: _selectedListino,
              decoration: const InputDecoration(labelText: 'Listino'),
              isExpanded: true,
              items: widget.listini
                  .map(
                    (l) => DropdownMenuItem(
                      value: l.idListino,
                      child: CodDescDropdownItem(
                        codice: l.codListino,
                        descrizione: l.descrizione,
                      ),
                    ),
                  )
                  .toList(),
              onChanged: (v) {
                setState(() => _selectedListino = v);
                if (v != null) _loadPrezzo(v);
              },
            ),
            const SizedBox(height: 12),
            TextField(
              controller: _prezzoCtrl,
              decoration: const InputDecoration(labelText: 'Prezzo lordo'),
              keyboardType: const TextInputType.numberWithOptions(
                decimal: true,
              ),
              enabled: widget.canEditPrezzo,
              onChanged: _onPrezzoChanged,
            ),
            const SizedBox(height: 12),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _sconto1Ctrl,
                    decoration: const InputDecoration(labelText: 'Sconto 1 %'),
                    keyboardType: const TextInputType.numberWithOptions(
                      decimal: true,
                    ),
                    onChanged: (v) => _onScontoChanged(1, v),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: TextField(
                    controller: _sconto2Ctrl,
                    decoration: const InputDecoration(labelText: 'Sconto 2 %'),
                    keyboardType: const TextInputType.numberWithOptions(
                      decimal: true,
                    ),
                    onChanged: (v) => _onScontoChanged(2, v),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 12),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _sconto3Ctrl,
                    decoration: const InputDecoration(labelText: 'Sconto 3 %'),
                    keyboardType: const TextInputType.numberWithOptions(
                      decimal: true,
                    ),
                    onChanged: (v) => _onScontoChanged(3, v),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: TextField(
                    controller: _sconto4Ctrl,
                    decoration: const InputDecoration(labelText: 'Sconto 4 %'),
                    keyboardType: const TextInputType.numberWithOptions(
                      decimal: true,
                    ),
                    onChanged: (v) => _onScontoChanged(4, v),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 12),
            SizedBox(
              width: 140,
              child: TextField(
                controller: _sconto5Ctrl,
                decoration: const InputDecoration(labelText: 'Sconto 5 %'),
                keyboardType: const TextInputType.numberWithOptions(
                  decimal: true,
                ),
                onChanged: (v) => _onScontoChanged(5, v),
              ),
            ),
            const SizedBox(height: 16),
            Row(
              children: [
                Text('Prezzo netto: ', style: theme.textTheme.bodyLarge),
                Text(
                  _prezzoNetto.toStringAsFixed(2),
                  style: theme.textTheme.bodyLarge?.copyWith(
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ],
            ),
            const SizedBox(height: 12),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _colliCtrl,
                    decoration: const InputDecoration(labelText: 'Colli'),
                    keyboardType: TextInputType.number,
                    onChanged: _onColliChanged,
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: TextField(
                    controller: _qtaCtrl,
                    decoration: const InputDecoration(labelText: 'Quantità'),
                    keyboardType: TextInputType.number,
                    onChanged: _onQtaChanged,
                  ),
                ),
              ],
            ),
            const SizedBox(height: 20),
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: _confirm,
                child: const Text('Aggiungi'),
              ),
            ),
            const SizedBox(height: 8),
          ],
        ),
      ),
    );
  }
}