import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:turquessa_mesas_hoster/core/models/mesa_model.dart';
import 'package:turquessa_mesas_hoster/utils/widgets/custom_appbar.dart';
import 'package:turquessa_mesas_hoster/utils/widgets/navigation_rail.dart';

import '../../../utils/widgets/ordenes_card.dart';
import '../../viewmodels/viewmodels.dart';

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

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

class Formulario extends State<HomeScreen> {
  int _selectedIndex = 0;
  @override
  void initState() {
    super.initState();
    final mesaViewModel = Provider.of<MesaViewModel>(context, listen: false);

    WidgetsBinding.instance.addPostFrameCallback((_) async {
      Provider.of<ProductoViewModel>(context, listen: false)
          .sincronizarProductosYCategorias();

      await mesaViewModel.sincronizarMesas();
      await mesaViewModel.fetchLocal();
    });
  }

  @override
  Widget build(BuildContext context) {
    final mesaViewModel = Provider.of<MesaViewModel>(context);
    final loginViewModel = Provider.of<LoginViewModel>(context);
    var _selectedIndex;
    return Scaffold(
      backgroundColor: Colors.grey.shade200,
      appBar: AppBar(
        title: const CustomAppbar(),
      ),
      body: Row(
        children: [
          CustomNavigationRail(selectedIndex: _selectedIndex),
          Expanded(
            child: Center(
              child: GridView.builder(
                gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
                  crossAxisCount: 4,
                  childAspectRatio: 1.0,
                  crossAxisSpacing: 10.0,
                  mainAxisSpacing: 10.0,
                ),
                padding: const EdgeInsets.all(10),
                itemCount: mesaViewModel.mesas.length,
                itemBuilder: (context, index) {
                  final mesa = mesaViewModel.mesas[index];
                  return GestureDetector(
                    onTap: () {
                      setState(() {
                        mesaViewModel.selectMesa(mesa);
                      });
                    },
                    child: TableCard(
                      mesa: mesa,
                    ),
                  );
                },
              ),
            ),
          ),
          if (mesaViewModel.selectedMesa != null)
            Expanded(
                child: Container(
              margin: const EdgeInsets.all(10),
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(10),
                boxShadow: [
                  BoxShadow(
                    color: Colors.grey.withOpacity(0.2),
                    blurRadius: 5,
                    spreadRadius: 1,
                  )
                ],
              ),
              child: TablaDetalles(
                  status: EstadoPedido.disponible,
                  table: mesaViewModel.selectedMesa ??
                      Mesa(
                          activa: false,
                          id: 0,
                          nombre: 'Mesa sin nombre',
                          estado: EstadoPedido.disponible)),
            )),
        ],
      ),
    );
  }
}

class TablaDetalles extends StatelessWidget {
  final Mesa table;
  final EstadoPedido status;

  const TablaDetalles({
    Key? key,
    required this.table,
    required this.status,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      margin: const EdgeInsets.all(10),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(10),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.2),
            blurRadius: 5,
            spreadRadius: 1,
          )
        ],
      ),
      child: Column(
        children: [
          // Header
          Container(
            padding: const EdgeInsets.all(16),
            decoration: BoxDecoration(
              color: table.activa! ? Colors.blue : Colors.grey,
              borderRadius:
                  const BorderRadius.vertical(top: Radius.circular(10)),
            ),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Row(
                  children: [
                    const Icon(Icons.table_restaurant,
                        color: Colors.white, size: 24),
                    const SizedBox(width: 8),
                    Text(
                      table.nombre ?? 'Mesa sin nombre',
                      style: const TextStyle(
                        color: Colors.white,
                        fontSize: 20,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  ],
                ),
                Container(
                  padding:
                      const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
                  decoration: BoxDecoration(
                    color: Colors.white.withOpacity(0.2),
                    borderRadius: BorderRadius.circular(20),
                  ),
                  child: Text(
                    table.activa! ? 'Activa' : 'Inactiva',
                    style: const TextStyle(
                      color: Colors.white,
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
              ],
            ),
          ),
          // Contenido scrolleable
          Expanded(
            child: SingleChildScrollView(
              child: Padding(
                padding: const EdgeInsets.all(16),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(
                      'ID: ${table.id}',
                      style: const TextStyle(fontSize: 16),
                    ),
                    const SizedBox(height: 16),
                    Row(
                      children: [
                        const Text('Estado: '),
                        Text(
                          status.toString().split('.').last,
                          style: const TextStyle(
                            fontWeight: FontWeight.bold,
                            color: Colors.blue,
                          ),
                        ),
                      ],
                    ),
                    const SizedBox(height: 16),
                    // IconDataByStatus(status: status),
                    const SizedBox(height: 16),
                    OrdenesScreen(),
                  ],
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class TableCard extends StatelessWidget {
  final Mesa mesa;
  const TableCard({
    super.key,
    required this.mesa,
  });

  @override
  Widget build(BuildContext context) {
    final status = mesa.estado ?? EstadoPedido.disponible;

    Color backgroundColor;
    Color iconColor;
    IconData icon;
    Color cardColor;

    switch (status) {
      case EstadoPedido.disponible:
        backgroundColor = const Color.fromARGB(255, 220, 252, 232);
        iconColor = Colors.green;
        icon = Icons.table_restaurant_rounded;
        cardColor = const Color.fromARGB(255, 220, 252, 232);
        break;
      case EstadoPedido.surtida:
        backgroundColor = const Color.fromARGB(255, 220, 234, 254);
        iconColor = Colors.blue;
        icon = Icons.coffee_rounded;
        cardColor = const Color.fromARGB(255, 220, 234, 254);
        break;
      case EstadoPedido.preparacion:
        backgroundColor = const Color.fromARGB(255, 243, 232, 255);
        iconColor = Colors.deepPurple;
        icon = Icons.kitchen_rounded;
        cardColor = const Color.fromARGB(255, 243, 232, 255);
        break;
      case EstadoPedido.cobrado:
        backgroundColor = const Color.fromARGB(255, 255, 238, 213);
        iconColor = Colors.amber;
        icon = Icons.attach_money_rounded;
        cardColor = const Color.fromARGB(255, 255, 238, 213);
        break;
      default:
        backgroundColor = Colors.grey.shade200;
        iconColor = Colors.grey;
        icon = Icons.settings;
        cardColor = Colors.white;
        break;
    }

    return Card(
      color: cardColor,
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          IconButton(
            onPressed: () {
              if (status == EstadoPedido.disponible) {
                final mesaViewModel =
                    Provider.of<MesaViewModel>(context, listen: false);
                mesaViewModel.CambiarEstadoPedidoMesa(EstadoPedido.preparacion);
              }
            },
            iconSize: 48,
            style: ButtonStyle(
              backgroundColor: MaterialStateProperty.all(backgroundColor),
            ),
            icon: Icon(icon, color: iconColor),
          ),
          const SizedBox(height: 8),
          Text(
            mesa.nombre ?? 'Mesa sin nombre',
            style: TextStyle(
              color: status == EstadoPedido.disponible
                  ? Colors.black
                  : Colors.black87,
              fontSize: 20,
              fontWeight: FontWeight.w500,
            ),
          )
        ],
      ),
    );
  }
}