app_computo_lite/lib/views/home/home_screen.dart

import 'package:computo_lite/views/package/package_page.dart';
import 'package:flutter/material.dart';
import 'package:computo_lite/widgets/widgets.dart';
import 'package:provider/provider.dart';

import '../../viewmodels/viewmodels.dart';

class HomeScreen extends StatefulWidget {
  const HomeScreen({super.key});

  @override
  Formulario createState() => Formulario();
}

class Formulario extends State<HomeScreen> {
  @override
  void initState() {
    super.initState();
    Future(() async {
      await Provider.of<LoginViewModel>(context, listen: false).setValores();
    });
  }

  final PackageViewModel _packageViewModel = PackageViewModel();
  bool _loading = false;

  Future<void> _scanner() async {
    try {
      if (_loading) return;

      if (mounted) setState(() => _loading = true);

      Widget header = Row(
        children: [
          Icon(Icons.error),
          SizedBox(width: 5),
          Text("Aviso"),
        ],
      );

      Map<String, dynamic>? response = await _packageViewModel.scanner("");

      if (response == null ||
          response["resultado"] == null ||
          List.from(response["resultado"]).length == 0) {
        if (mounted) setState(() => _loading = false);

        await HelpersViewModel.dialog(
            2,
            header,
            "No se encontro el Acta-Paquete, intenelo de nuevo.",
            context,
            "Cerrar",
            "Reintentar",
            () {}, () async {
          await _scanner();
        });

        return;
      }

      Map<String, dynamic>? binnacle = await _packageViewModel
          .getBinnacle(response["resultado"][0]["idActa"]);

      Navigator.push(
        context,
        MaterialPageRoute(
            builder: (context) => PackagePage(
                response["resultado"][0],
                binnacle != null
                    ? List<Map<String, dynamic>>.from(binnacle["resultado"])
                        .map((e) => ({
                              "entradaSalida": e["entradaSalida"],
                              "fecha": e["fecha"],
                              "motivo": e["motivoPaquete"]["descripcion"]
                            }))
                        .toList()
                    : [],
                response["resultado"][0]["ultimaBitacora"] != null
                    ? response["resultado"][0]["ultimaBitacora"]
                        ["entradaSalida"]
                    : "E",
                true,
                response["resultado"][0]["ultimaBitacora"] != null
                    ? response["resultado"][0]["ultimaBitacora"]
                        ["idConsejoElectoral"]
                    : 0,
                response["resultado"][0]["idTipoEleccion"])),
      );
    } catch (e) {
      print(e);
    } finally {
      if (mounted) setState(() => _loading = false);
    }
  }

  @override
  Widget build(BuildContext context) {
    String correo = Provider.of<LoginViewModel>(context).correo;
    return Scaffold(
      backgroundColor: Colors.grey.shade200,
      appBar: AppBar(
        elevation: 0,
        title: const Text(
          'Inicio',
          style: TextStyle(color: Colors.white),
        ),
        iconTheme: const IconThemeData(color: Colors.white),
        actions: [usuarioHeader(correo)],
      ),
      drawer: AppDrawer(),
      body: Column(children: [
        const SizedBox(height: 150),
        Center(
            child: Image.asset(
          "assets/Elecciones2024.png",
          height: 150,
        )),
        const SizedBox(height: 100),
        Center(
            child: GestureDetector(
          onTap: _scanner,
          child: CircleAvatar(
              radius: 100,
              child: _loading
                  ? CircularProgressIndicator(
                      valueColor:
                          new AlwaysStoppedAnimation<Color>(Colors.white),
                    )
                  : const Icon(
                      Icons.camera_alt,
                      size: 100,
                    )),
        )),
      ]),
    );
  }
}