// ignore_for_file: use_build_context_synchronously, prefer_if_null_operators, prefer_conditional_assignment, must_be_immutable, deprecated_member_use

import 'dart:io';
import 'package:camera/camera.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:omni_datetime_picker/omni_datetime_picker.dart';
import 'package:flutter/material.dart' as d;
import 'package:datetime_picker_formfield/datetime_picker_formfield.dart' as d2;
import 'package:path_provider/path_provider.dart';
import 'package:url_launcher/url_launcher.dart';

import '../data/session/session_storage.dart';
import '../models/media_model.dart';
import '../services/base_service.dart';
import '../themes/themes.dart';

import 'package:timezone/timezone.dart' as tz;
import 'package:http/http.dart' as http;

import "package:universal_html/html.dart" as html;

//import 'package:syncfusion_flutter_xlsio/xlsio.dart' as sio;
import 'package:flutter/foundation.dart' show kIsWeb;

encabezado(
    {double elevacion = 1,
    TextStyle? estilo,
    List<Widget>? acciones,
    PreferredSize? bottom,
    Color? backgroundColor,
    String? nombre,
    Widget? leading = null,
    String? titulo,
    bool centerTitle = true,
    bool withDrawer = false}) {
  if (acciones == null) {
    acciones = [];
  }

  if (BaseService().baseUrl.contains("test") ||
      BaseService().base_url.contains("test")) {
    // backgroundColor = Colors.grey.shade500;
  }

  return AppBar(
      leading: leading,
      elevation: elevacion,
      backgroundColor: backgroundColor,
      centerTitle: centerTitle,
      titleTextStyle: estilo,
      title: titulo == null
          ? Image.asset("assets/logo.png", width: 100)
          : Text(titulo.toString(), style: estilo),
      actions: [
        ...acciones,
        // Image.asset("assets/logo.png", width: 100),
      ],
      bottom: bottom);
}

tarjeta(Widget item, {Color color = Colors.white, double padding = 0}) {
  if (padding > 0) {
    return Padding(
        padding: const EdgeInsets.all(0),
        child: Card(
            color: color,
            shape:
                RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
            margin: const EdgeInsets.only(bottom: 16),
            elevation: 0,
            borderOnForeground: true,
            child: Padding(padding: EdgeInsets.all(padding), child: item)));
  }
  return Card(
      color: color,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
      margin: const EdgeInsets.only(bottom: 8),
      elevation: 0,
      borderOnForeground: true,
      child: Padding(
        padding: const EdgeInsets.all(8),
        child: item,
      ));
}

class Cargando extends StatelessWidget {
  const Cargando({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        backgroundColor: const Color(0xFFffe000),
        body: Center(
          child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
            Padding(
                padding: const EdgeInsets.fromLTRB(16, 0, 16, 10),
                child:
                    Image.asset("assets/edesarrollos_logo.png", height: 200)),
            const CircularProgressIndicator(backgroundColor: Colors.grey),
            Container(margin: const EdgeInsets.only(bottom: 8.0)),
            const Text("Cargando contenido...",
                style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 16,
                    color: Colors.black)),
            const Text("Por favor espere.",
                style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 16,
                    color: Colors.black),
                textAlign: TextAlign.center)
          ]),
        ));
  }
}

class CargandoBarra extends StatelessWidget {
  const CargandoBarra({super.key});

  @override
  Widget build(BuildContext context) {
    return const Center(
      child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
        const SizedBox(height: 8),
        LinearProgressIndicator(
          //value: controller.value,
          semanticsLabel: 'Cargando...',
        ),
        const SizedBox(height: 8),
      ]),
    );
  }
}

class SinDatos extends StatelessWidget {
  final String message;
  final IconData icon;

  const SinDatos({
    Key? key,
    this.message = 'No hay datos',
    this.icon = Icons.inbox,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Icon(icon, size: 80, color: Colors.grey),
          Text(message, style: TextStyle(fontSize: 24, color: Colors.grey)),
        ],
      ),
    );
  }
}

boton(String etiqueta, Function()? accion,
    {double height = 75, double width = 380}) {
  return Align(
    alignment: Alignment.topLeft,
    child: SizedBox(
      height: height,
      width: 380,
      child: ElevatedButton(
        style: ButtonStyle(
          shape: MaterialStatePropertyAll(
            RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(10),
            ),
          ),
          backgroundColor: MaterialStatePropertyAll(AppTheme.primary),
        ),
        onPressed: accion,
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(etiqueta,
                style: TextStyle(fontSize: 18, color: AppTheme.secondary)),
          ],
        ),
      ),
    ),
  );
}

Future<DateTime?> showHora(BuildContext context, DateTime? fecha) async {
  if (fecha == null) {
    return fecha;
  }

  final tiempo = await showTimePicker(
    useRootNavigator: false,
    helpText: "CAPTURAR HORA",
    confirmText: "ACEPTAR",
    cancelText: "CANCELAR",
    hourLabelText: "HORA",
    minuteLabelText: "MINUTO",
    initialEntryMode: TimePickerEntryMode.input,
    context: context,
    initialTime: TimeOfDay.fromDateTime(fecha),
    builder: (context, childs) {
      return MediaQuery(
          data: MediaQuery.of(context).copyWith(
              alwaysUse24HourFormat: true,
              padding: const EdgeInsets.all(1),
              size: const Size.square(1),
              textScaler: const TextScaler.linear(.8)),
          child: childs!);
    },
  );

  return d2.DateTimeField.combine(fecha!, tiempo);
}

Future<DateTime?> showDatetimePicker(BuildContext context, DateTime? fecha,
    {DateTime? inicia,
    DateTime? termina,
    OmniDateTimePickerType tipo = OmniDateTimePickerType.dateAndTime,
    bool solofecha = false}) async {
  if (termina == null) {
    termina = DateTime(2030);
  }
  final f = await d.showDatePicker(
    context: context,
    initialDate: fecha != null ? DateTime.now() : fecha,
    firstDate: inicia == null ? DateTime(2000) : inicia, // DateTime(2023),
    lastDate: termina,
    cancelText: "CANCELAR", confirmText: "ACEPTAR",
  );
  if (f == null) {
    return fecha;
  }

  if (solofecha) {
    return f;
  }
  final tiempo = await showTimePicker(
    useRootNavigator: false,
    helpText: "CAPTURAR HORA",
    confirmText: "ACEPTAR",
    cancelText: "CANCELAR",
    hourLabelText: "HORA",
    minuteLabelText: "MINUTO",
    initialEntryMode: TimePickerEntryMode.input,
    context: context,
    initialTime: TimeOfDay.fromDateTime(f),
    builder: (context, childs) {
      return MediaQuery(
          data: MediaQuery.of(context).copyWith(
              alwaysUse24HourFormat: true,
              padding: const EdgeInsets.all(1),
              size: const Size.square(1),
              textScaler: const TextScaler.linear(.8)),
          child: childs!);
    },
  );

  return d2.DateTimeField.combine(f, tiempo);
}

class FechaSelectWidget extends StatelessWidget {
  final DateTime? fecha;
  final Function(DateTime) onFechaChanged;
  final String etiqueta;
  final BuildContext context;

  const FechaSelectWidget({
    Key? key,
    required this.fecha,
    required this.onFechaChanged,
    required this.etiqueta,
    required this.context,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          etiqueta,
          style: const TextStyle(
            fontWeight: FontWeight.bold,
            fontSize: 16,
          ),
        ),
        const SizedBox(height: 5),
        InkWell(
          onTap: () async {
            DateTime? d = await showDatetimePicker(
              context,
              fecha,
              tipo: OmniDateTimePickerType.date,
              solofecha: true,
            );
            if (d == null) return;
            onFechaChanged(d);
          },
          child: Container(
            decoration: BoxDecoration(
              border: Border.all(color: Colors.grey[400]!),
              borderRadius: BorderRadius.circular(10),
            ),
            padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 15),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  fecha == null
                      ? "Seleccionar"
                      : DateFormat("dd/MM/yyyy").format(fecha!),
                  style: TextStyle(
                    color: fecha == null ? Colors.grey : Colors.black,
                  ),
                ),
                const Icon(Icons.calendar_month),
              ],
            ),
          ),
        ),
      ],
    );
  }
}

Widget circulo(Widget item, {Function()? accion, Color? color}) {
  color ??= Colors.black;
  return InkWell(
      onTap: accion,
      child: Container(
          decoration: BoxDecoration(
            border: Border.all(
              color: color, //                   <--- border color
              width: 2.0,
            ),
            borderRadius: const BorderRadius.all(
                Radius.circular(50) //                 <--- border radius here
                ),
          ),
          child: item));
}

alerta(BuildContext context, {String? etiqueta = "Capturar búsqueda"}) {
  return showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          title: Text(etiqueta.toString()),
          actions: [
            Row(children: [
              Expanded(
                  child: TextButton(
                style: ButtonStyle(
                    backgroundColor: MaterialStatePropertyAll(Colors.black)),
                onPressed: () async {
                  Navigator.pop(context);
                },
                child: const Text(
                  'Regresar',
                  style: TextStyle(color: Colors.white, fontSize: 16),
                ),
              ))
            ])
          ],
        );
      });
}

botonElevated(
    {Function()? accion,
    String? titulo = "Buscar",
    Color color = Colors.black}) {
  return ElevatedButton(
    style: ElevatedButton.styleFrom(
        minimumSize: Size(0, 65),
        backgroundColor: color,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(12),
        )),
    onPressed: accion,
    child: Text(
      titulo.toString(),
      style: const TextStyle(color: Colors.white),
    ),
  );
}

Widget xMedia(XFile m, {String? nombrePersonalizado}) {
  bool archivo = false;
  Widget icono = const Icon(Icons.file_copy, size: 50);
  int lastIndex = m.name.lastIndexOf('.');
  String extension = "";
  if (lastIndex != -1 && lastIndex < m.name.length - 1) {
    extension = m.name.substring(lastIndex + 1);
  }
  switch (extension) {
    case "mp4":
      archivo = true;
      icono = const Icon(Icons.video_file, size: 50);
      break;
    case "wav":
      archivo = true;
      icono = Image.asset("assets/audio-file.png");
      archivo = true;
      break;
    case "jpeg":
    case "jpg":
    case "png":
      break;
    case "pdf":
      icono = Image.asset("assets/pdf-file.png");
      archivo = true;
      break;
    case "csv":
    case "docx":
      icono = Image.asset("assets/word.png");
      archivo = true;
      break;
    case "xlsx":
      icono = Image.asset("assets/excel.png");
      archivo = true;
      break;
  }

  // Usar el nombre personalizado si está disponible, de lo contrario usar el nombre del archivo
  String nombre = nombrePersonalizado ?? m.name.toString();
  if (nombre.length > 25) {
    nombre = "${nombre.substring(0, 24)}...";
  }

  return InkWell(
    onTap: () async {
      String url = m.path.toString();
      await canLaunch(url)
          ? await launch(url, forceSafariVC: false, forceWebView: false)
          : print('Could not launch $url');
    },
    child: Stack(alignment: Alignment.center, children: [
      Container(
        height: 100.0,
        width: 100.0,
        clipBehavior: Clip.antiAlias,
        decoration: BoxDecoration(
          border: Border.all(color: Colors.black, width: 1.0),
          borderRadius: const BorderRadius.all(Radius.circular(15.0)),
        ),
        child: archivo ? icono : Image.network(m.path.toString(), scale: 1),
      ),
      Positioned(
        bottom: 0,
        child: Container(
          width: 200,
          height: 40,
          color: Colors.grey.shade800,
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                nombre,
                textAlign: TextAlign.center,
                textScaler: const TextScaler.linear(.8),
                style: const TextStyle(color: Colors.white),
              ),
            ],
          ),
        ),
      ),
    ]),
  );
}

Widget wMedia(Media m,
    {Function()? eliminar,
    bool mostrarEliminar = true,
    bool preview = true,
    Function()? onTapFunction}) {
  bool archivo = false;
  Widget icono = const Icon(Icons.file_copy, size: 50);
  Uint8List? imageBytes;

  print(
      "Mostrando media: ${m.nombre}, Ruta: ${m.ruta}, Extensión: ${m.extension}");

  switch (m.extension) {
    case "mp4":
      archivo = true;
      icono = const Icon(Icons.video_file, size: 50);
      break;
    case "wav":
      archivo = true;
      icono = Image.asset("assets/audio-file.png");
      break;
    case "txt":
      archivo = true;
      break;
    case "jpeg":
    case "jpg":
    case "png":
      break;
    case "pdf":
      icono = Image.asset("assets/pdf-file.png");
      archivo = true;
      break;
    case "csv":
    case "docx":
      icono = Image.asset("assets/word.png");
      archivo = true;
      break;
    case "xlsx":
      icono = Image.asset("assets/excel.png");
      archivo = true;
      break;
  }

  String fecha = "";
  if (m.creado != null) {
    String timeZone = 'America/Hermosillo';
    fecha = formatFechaConZonaHoraria(m.creado!, timeZone);
  }

  String nombre = m.nombre.toString();
  if (nombre.length > 25) {
    nombre = "${m.nombre.toString().substring(0, 24)}...";
  }

  return InkWell(
      onTap: () async {
        if (preview) {
          if (m.ruta != null && m.ruta!.startsWith("blob")) {
            print("Intentando mostrar un blob...");
            // Lógica para previsualizar blobs
          } else if (m.ruta != null) {
            String url = m.ruta.toString();
            print("Intentando abrir la URL: $url");
            await canLaunch(url)
                ? await launch(url, forceSafariVC: false, forceWebView: false)
                : print('No se pudo lanzar la URL');
          } else {
            print("Ruta nula, no se puede abrir.");
          }
        } else {
          if (onTapFunction != null) {
            onTapFunction();
          }
        }
      },
      child: Stack(alignment: Alignment.center, children: [
        Container(
            height: 160.0,
            width: 160.0,
            clipBehavior: Clip.antiAlias,
            decoration: BoxDecoration(
              border: Border.all(color: Colors.black, width: 1.0),
              borderRadius: const BorderRadius.all(Radius.circular(15.0)),
            ),
            child: archivo
                ? icono
                : (m.ruta != null &&
                        m.ruta!.startsWith("blob") &&
                        imageBytes != null
                    ? Image.memory(imageBytes!)
                    : m.ruta != null
                        ? Image.network(m.ruta.toString(), scale: 1)
                        : const Text("No hay imagen disponible"))),
        Positioned(
            bottom: 0,
            child: Container(
              width: 500,
              height: 40,
              color: Colors.grey.shade800,
              child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Text(
                      nombre,
                      textAlign: TextAlign.center,
                      textScaler: const TextScaler.linear(.8),
                      style: const TextStyle(color: Colors.white),
                    ),
                    Text(
                      fecha,
                      textAlign: TextAlign.center,
                      textScaler: const TextScaler.linear(.8),
                      style: const TextStyle(color: Colors.white),
                    ),
                  ]),
            )),
        if (mostrarEliminar)
          Positioned(
            left: 0,
            top: 0,
            child: ElevatedButton(
              onPressed: eliminar,
              style: ElevatedButton.styleFrom(
                shape: const CircleBorder(),
                padding: const EdgeInsets.all(16),
              ),
              child: Icon(
                Icons.delete,
                color: Colors.red.shade800,
              ),
            ),
          ),
      ]));
}

Widget agregarMedia(
    {Color color = Colors.green,
    Function()? accion,
    String titulo = "Agregar Media",
    Icon? icono,
    double tamano = 160,
    bool tamanoPequeno = false}) {
  double iconSize = tamanoPequeno ? 30 : 100;
  double containerSize = tamanoPequeno ? 100 : tamano;

  if (icono == null) {
    icono = Icon(
      Icons.add,
      size: iconSize,
      color: Colors.white,
    );
  }
  return InkWell(
      onTap: accion,
      child: Stack(alignment: Alignment.center, children: [
        Container(
          width: containerSize,
          height: containerSize,
          color: color,
        ),
        Positioned(
            child:
                Column(mainAxisAlignment: MainAxisAlignment.center, children: [
          icono,
          titulo.isEmpty
              ? Container()
              : Text(
                  titulo,
                  style: TextStyle(
                    color: Colors.white,
                    fontSize: tamanoPequeno ? 12 : 16,
                  ),
                ),
        ])),
      ]));
}

String formatFechaConZonaHoraria(DateTime dateTime, String timeZone) {
  // Obtiene la ubicación de la zona horaria
  tz.Location location = tz.getLocation(timeZone);

  // Convierte la fecha a la zona horaria deseada
  tz.TZDateTime fechaConZona = tz.TZDateTime.from(dateTime, location);
  // Formatea la fecha con la zona horaria
  //String formattedFecha = DateFormat("dd/MM/yyyy HH:mm '($timeZone)'").format(fechaConZona);
  String formattedFecha = DateFormat("dd/MM/yyyy HH:mm").format(fechaConZona);

  return formattedFecha;
}

html.Location getLocation(String timeZone) {
  // Obtiene la ubicación de la zona horaria
  return getLocation(timeZone);
}

int obtenerAxiscount(Size s) {
  int axiscount = 8;
  if (s.width > 1300) {
    axiscount = 8;
  }
  if (s.width > 900 && s.width < 1300) {
    axiscount = 5;
  }
  if (s.width > 700 && s.width < 900) {
    axiscount = 4;
  }
  if (s.width > 600 && s.width < 700) {
    axiscount = 3;
  }
  if (s.width < 600) {
    axiscount = 2;
  }
  return axiscount;
}

imprimirExcel(String url, String nombre) async {
  var t = await SessionStorage().getToken();
  Map<String, String> headers = {
    'Authorization': 'Bearer $t',
    'Content-Type': 'application/json', // Puedes ajustar según sea necesario
  };
  http.Response response = await http.get(
    Uri.parse(url),
    headers: headers,
  );

  if (response.statusCode == 200) {
    // Obtener el contenido del archivo como Uint8List
    Uint8List fileBytes = response.bodyBytes;

    if (!kIsWeb) {
      // Lógica para dispositivos móviles y escritorio
      final directory = await getApplicationDocumentsDirectory();
      final path = '${directory.path}/$nombre.xlsx';
      final file = File(path);
      await file.writeAsBytes(fileBytes);

      final Uri fileUri = Uri.file(path);
      if (await canLaunchUrl(fileUri)) {
        await launchUrl(fileUri);
      } else {
        throw 'No se pudo abrir el archivo';
      }
      return; // Retorna después de manejar la lógica de dispositivos móviles
    }

    // Lógica específica para la web sigue aquí
    // Asegúrate de que este código solo se ejecute en la web
    if (kIsWeb) {
      // Crea y descarga el archivo para la web
      final blob = html.Blob([fileBytes]);
      final url = html.Url.createObjectUrlFromBlob(blob);
      final anchor = html.AnchorElement(href: url)
        ..setAttribute('download', '$nombre.xlsx')
        ..click();
      html.Url.revokeObjectUrl(url);
    }
  } else {
    print(
        'Error al descargar el archivo. Código de estado: ${response.statusCode}');
  }
}

Widget usuarioHeader(String nombre, String correo) {
  return Row(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.end,
            children: [
              Text(nombre,
                  style: TextStyle(
                      color: Colors.black, fontWeight: FontWeight.bold),
                  textAlign: TextAlign.right),
              Text(correo,
                  style: TextStyle(color: Colors.grey.shade700),
                  textAlign: TextAlign.right),
            ]),
        Text(" "),
        CircleAvatar(
            child: Icon(Icons.verified_user, color: Colors.white),
            backgroundColor: Colors.black),
        Text(" "),
      ]);
}

Future eliminarMedia(
    BuildContext context, Media m, Function()? confirmacion) async {
  return await showDialog(
    context: context,
    builder: (context) {
      return AlertDialog(
        surfaceTintColor: AppTheme.secondary,
        title: const Text('¿Desea eliminar este archivo?'),
        actions: [
          TextButton(
            onPressed: () {
              Navigator.pop(context);
            },
            child: const Text('Cancelar'),
          ),
          TextButton(
            onPressed: confirmacion,
            child: const Text(
              'Sí, estoy seguro',
              style: TextStyle(color: Colors.red),
            ),
          ),
        ],
      );
    },
  );
}