import 'dart:convert';
import 'dart:core';

import 'package:flutter/material.dart';
// import 'package:flutter_form_builder/flutter_form_builder.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:qr_code_scanner/qr_code_scanner.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:siopas/models/m_asset_status_model.dart';
import 'package:siopas/models/warehouse_mode.dart';
import 'package:siopas/providers/asset_status_provider.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';

import '../../connection/connection.dart';
import 'package:http/http.dart' as http;

import '../../models/asset_status_model.dart';
import '../../models/user_model.dart';
import '../../providers/auth_provider.dart';
import '../../theme.dart';

class CreatePeminjamanBarang extends StatefulWidget {
  const CreatePeminjamanBarang({Key? key}) : super(key: key);

  @override
  State<CreatePeminjamanBarang> createState() => _CreatePeminjamanBarangState();
}

class _CreatePeminjamanBarangState extends State<CreatePeminjamanBarang> {
  List<PetiAssetModel> _dataAsset = [];
  List<WarehouseModel> _dataWarehouse = [];
  bool _isLoading = false;
  String? token;
  PetiAssetModel? _valAsset;
  WarehouseModel? _valWarehouse;
  TextEditingController _exit_atController = TextEditingController();
  TextEditingController _est_pengembalianController = TextEditingController();
  TextEditingController _penanggungJawabController = TextEditingController();
  final _formKey = GlobalKey<FormState>();

  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
  Barcode? result;
  QRViewController? controller;

  @override
  void initState() {
    super.initState();
    _getUserToken();
    fetchDataWarehouse();
    fetchDataAsset();
  }

  void _getUserToken() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    if (mounted) {
      setState(() {
        token = prefs.getString('token');
      });
    }
  }

  Future<void> fetchDataAsset() async {
    setState(() {
      _isLoading = true;
    });

    final response = await http.get(Uri.parse('$baseUrl/peti-asset'));

    if (mounted) {
      // Periksa apakah widget masih "mounted"
      if (response.statusCode == 200) {
        final jsonData = json.decode(response.body)['data']['asset'];

        final List<PetiAssetModel> newDataAsset = (jsonData as List)
            .map((item) => PetiAssetModel.fromJson(item))
            .toList();

        if (mounted) {
          // Periksa lagi sebelum memanggil setState
          setState(() {
            _dataAsset.addAll(newDataAsset);
            _isLoading = false;
          });
        }
      } else {
        if (mounted) {
          setState(() {
            _isLoading = false;
          });
        }
        throw Exception('Failed to fetch data Asset Status');
      }
    }
  }

  Future<void> fetchDataWarehouse() async {
    setState(() {
      _isLoading = true;
    });

    final response = await http.get(Uri.parse('$baseUrl/m-warehouse'));

    if (mounted) {
      if (response.statusCode == 200) {
        final jsonData = json.decode(response.body)['data']['warehouse'];

        final List<WarehouseModel> newDataWarehouse = (jsonData as List)
            .map((item) => WarehouseModel.fromJson(item))
            .toList();

        if (mounted) {
          setState(() {
            _dataWarehouse.addAll(newDataWarehouse);
            _isLoading = false;
          });
        }
      } else {
        if (mounted) {
          setState(() {
            _isLoading = false;
          });
        }
        throw Exception('Failed to fetch data Warehouse');
      }
    }
  }

  void _onQRViewCreated(QRViewController controller) {
    this.controller = controller;
    bool scanned = false;

    controller.scannedDataStream.listen((scanData) {
      if (!scanned) {
        try {
          setState(() {
            result = scanData;

            List<String> lines = result!.code!.split('\n');

            for (String line in lines) {
              if (line.startsWith('ID Peti')) {
                String idPeti = line.split(': ')[1];
                // Isi formulir dropdown asset
                _valAsset = _dataAsset
                    .firstWhere((peti) => peti.id == int.parse(idPeti));
              } else if (line.startsWith('Date:')) {
                String datePeminjaman = line.split(': ')[1];
                try {
                  DateTime parsedDate =
                      DateFormat('dd-MM-yyyy').parse(datePeminjaman);
                  String formattedDate =
                      DateFormat('yyyy-MM-dd HH:mm:ss.SSS').format(parsedDate);
                  _exit_atController.text = formattedDate;
                } catch (e) {
                  print('Error parsing date: $e');
                  // Lakukan penanganan jika format tanggal tidak sesuai
                }
              } else if (line.startsWith('ID Warehouse')) {
                String idWarehouse = line.split(': ')[1];
                // Isi formulir dropdown gudang
                _valWarehouse = _dataWarehouse.firstWhere(
                    (warehouse) => warehouse.id == int.parse(idWarehouse));
              }
            }

            scanned = true;
          });

          controller.stopCamera();

          Future.delayed(Duration(milliseconds: 500), () {
            if (mounted) {
              Navigator.of(context).pop();
            }
          });
        } catch (e) {
          print('Error scanning QR Code: $e');
          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
            content: Text('Error scanning QR Code: $e'),
          ));
        }
      }
    });
  }

  @override
  void dispose() {
    super.dispose();
    controller?.dispose();
  }

  @override
  Widget build(BuildContext context) {
    AuthProvider authProvider =
        Provider.of<AuthProvider>(context, listen: false);
    UserModel user = authProvider.user;

    Future<void> _storePeminjaman() async {
      setState(() {
        _isLoading = true;
      });

      try {
        final response = await http.post(
          Uri.parse('$baseUrl/asset-status/store'),
          headers: {
            'Content-Type': 'application/json',
            'Authorization': token!,
          },
          body: jsonEncode({
            'peti_id': _valAsset!.id,
            'exit_at': _exit_atController.text,
            'exit_pic': _penanggungJawabController.text,
            'exit_warehouse': _valWarehouse!.id,
            'est_pengembalian': _est_pengembalianController.text,
            'created_by': user.id,
            'updated_by': user.id,
          }),
        );

        if (response.statusCode == 200) {
          final jsonData = json.decode(response.body)['data']['peminjam'];

          print('Berhasil menyimpan data: $jsonData');

          // Tampilkan snackbar
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              backgroundColor: Colors.greenAccent[700],
              content: Row(
                children: [
                  Icon(
                    Icons.check_circle_outline,
                    color: Colors.white,
                  ),
                  SizedBox(width: 5),
                  Text('Data berhasil disimpan'),
                ],
              ),
              duration: Duration(seconds: 3), // Durasi tampilan snackbar
            ),
          );

          // Reset form input
          _exit_atController.text = '';
          _valAsset = null;
          _valWarehouse = null;
          result = null;
        } else {
          // Reset form input
          _exit_atController.text = '';
          _valAsset = null;
          _valWarehouse = null;
          result = null;
          throw Exception('Gagal menyimpan data Asset Status');
        }
      } catch (e) {
        print('Error storing data: $e');
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            backgroundColor: Colors.redAccent[700],
            content: Row(
              children: [
                Icon(
                  Icons.error_outline,
                  color: Colors.white,
                ),
                SizedBox(width: 5),
                Text('Gagal menyimpan data'),
              ],
            ),
            duration: Duration(seconds: 2), // Durasi tampilan snackbar
          ),
        );
      } finally {
        if (mounted) {
          setState(() {
            _isLoading = false;
          });
        }
      }
    }

    return Scaffold(
      appBar: AppBar(
        automaticallyImplyLeading: false,
        backgroundColor: Colors.indigo[700],
        elevation: 0,
        title: Text('Buat Peminjaman Barang',
            style: TextStyle(
              fontSize: 16,
            )),
      ),
      body: _isLoading
          ? const Center(child: CircularProgressIndicator())
          : SingleChildScrollView(
              child: Padding(
                padding: const EdgeInsets.all(16),
                child: Form(
                  key: _formKey,
                  child: Column(
                    children: [
                      Row(
                        children: [
                          Expanded(
                            child: Card(
                              elevation: 2,
                              child: Container(
                                margin: EdgeInsets.all(8),
                                child: DropdownButtonFormField<PetiAssetModel>(
                                  validator: (value) {
                                    if (value == null) {
                                      return 'Harus diisi';
                                    }
                                    return null;
                                  },
                                  decoration: InputDecoration(
                                    labelText: 'Peti',
                                    border: OutlineInputBorder(),
                                  ),
                                  hint: Text("Pilih Peti"),
                                  value: _valAsset,
                                  items: _dataAsset.map((PetiAssetModel item) {
                                    return DropdownMenuItem<PetiAssetModel>(
                                      child: Text('${item.fix_lot}'),
                                      value: item,
                                    );
                                  }).toList(),
                                  onChanged: (PetiAssetModel? value) {
                                    setState(() {
                                      _valAsset = value;
                                      if (value != null) {
                                        // Set _valWarehouse berdasarkan warehouse_id dari PetiAssetModel
                                        _valWarehouse =
                                            _dataWarehouse.firstWhere(
                                          (warehouse) =>
                                              warehouse.id ==
                                              int.parse(value.warehouse_id
                                                  .toString()),
                                        );
                                      }
                                    });
                                  },
                                ),
                              ),
                            ),
                          ),
                          SizedBox(width: 8), // Spacer antara dua card
                          Card(
                            elevation: 2,
                            child: Container(
                              margin: EdgeInsets.all(8),
                              height: MediaQuery.of(context).size.height / 10,
                              decoration: BoxDecoration(
                                color: Colors.indigoAccent,
                                borderRadius: BorderRadius.circular(5),
                              ),
                              child: IconButton(
                                onPressed: () {
                                  showModalBottomSheet(
                                    context: context,
                                    isScrollControlled:
                                        true, // Set modal menjadi fullscreen
                                    builder: (BuildContext context) {
                                      return Stack(
                                        alignment: Alignment.center,
                                        children: [
                                          Container(
                                            height: double.infinity,
                                            width: double.infinity,
                                            child: QRView(
                                              key: qrKey,
                                              onQRViewCreated: _onQRViewCreated,
                                              overlay: QrScannerOverlayShape(
                                                borderColor: Colors.red,
                                                borderRadius: 10,
                                                borderLength: 30,
                                                borderWidth: 10,
                                                cutOutSize: 300,
                                              ),
                                            ),
                                          ),
                                          Positioned(
                                            bottom: 30,
                                            height: 60,
                                            child: Container(
                                              height:
                                                  60, // Lebar dan tinggi sesuai kebutuhan
                                              width: 60,
                                              decoration: BoxDecoration(
                                                shape: BoxShape.circle,
                                                color: Colors
                                                    .red, // Warna merah untuk close
                                              ),

                                              child: IconButton(
                                                onPressed: () {
                                                  Navigator.of(context).pop();
                                                },
                                                icon: Icon(
                                                  Icons.close,
                                                  size: 40,
                                                ),
                                                color: Colors.white,
                                              ),
                                            ),
                                          ),
                                        ],
                                      );
                                    },
                                  );
                                },
                                icon: Icon(
                                  Icons.qr_code,
                                  size: 30,
                                ),
                                color: Colors.white, // Warna ikon
                              ),
                            ),
                          ),
                        ],
                      ),
                      SizedBox(height: 16),
                      Card(
                        elevation: 2,
                        child: Padding(
                          padding: const EdgeInsets.all(8),
                          child: FormBuilderDateTimePicker(
                            validator: (value) {
                              if (_exit_atController.text.isEmpty) {
                                ScaffoldMessenger.of(context).showSnackBar(
                                  SnackBar(
                                    backgroundColor: Colors.redAccent[700],
                                    content: Row(
                                      children: [
                                        Icon(
                                          Icons.error_outline,
                                          color: Colors.white,
                                        ),
                                        SizedBox(width: 5),
                                        Text('Tanggal Peminjaman harus diisi'),
                                      ],
                                    ),
                                    duration: Duration(seconds: 2),
                                  ),
                                );
                                return null; // Return null jika ada kesalahan
                              }
                              return null; // Return null jika tidak ada kesalahan
                            },
                            controller: _exit_atController,
                            name: 'tanggal',
                            inputType: InputType.date,
                            format: DateFormat('yyyy-MM-dd HH:mm:ss'),
                            decoration: InputDecoration(
                              labelText: 'Tanggal Peminjaman',
                              border: OutlineInputBorder(),
                              suffixIcon: Icon(Icons.calendar_today),
                            ),
                          ),
                        ),
                      ),
                      SizedBox(height: 16),
                      Card(
                        elevation: 2,
                        child: Padding(
                          padding: const EdgeInsets.all(8),
                          child: FormBuilderDateTimePicker(
                            validator: (value) {
                              if (_est_pengembalianController.text.isEmpty) {
                                ScaffoldMessenger.of(context).showSnackBar(
                                  SnackBar(
                                    backgroundColor: Colors.redAccent[700],
                                    content: Row(
                                      children: [
                                        Icon(
                                          Icons.error_outline,
                                          color: Colors.white,
                                        ),
                                        SizedBox(width: 5),
                                        Text(
                                            'Estimasi Tanggal Pengembalian harus diisi'),
                                      ],
                                    ),
                                    duration: Duration(seconds: 2),
                                  ),
                                );
                                return null; // Return null jika ada kesalahan
                              }
                              return null; // Return null jika tidak ada kesalahan
                            },
                            controller: _est_pengembalianController,
                            name: 'tanggal',
                            inputType: InputType.date,
                            format: DateFormat('yyyy-MM-dd HH:mm:ss'),
                            decoration: InputDecoration(
                              labelText: 'Estimasi Tanggal Pengembalian',
                              border: OutlineInputBorder(),
                              suffixIcon: Icon(Icons.calendar_today),
                            ),
                          ),
                        ),
                      ),
                      SizedBox(height: 16),
                      Card(
                        elevation: 2,
                        child: Padding(
                          padding: const EdgeInsets.all(8),
                          child: TextFormField(
                            controller: _penanggungJawabController =
                                TextEditingController(text: user.fullname),
                            decoration: InputDecoration(
                              labelText: 'Penanggung Jawab',
                              border: OutlineInputBorder(),
                            ),
                            validator: (value) {
                              if (value == null || value.isEmpty) {
                                return 'Harus diisi';
                              }
                              return null; // Return null jika tidak ada kesalahan
                            },
                          ),
                        ),
                      ),
                      SizedBox(height: 16),
                      Card(
                        elevation: 2,
                        child: Padding(
                          padding: const EdgeInsets.all(8),
                          child: DropdownButtonFormField<WarehouseModel>(
                            validator: (value) {
                              if (value == null) {
                                return 'Harus diisi';
                              }
                              return null;
                            },
                            decoration: InputDecoration(
                              labelText: 'Pilih Gudang',
                              border: OutlineInputBorder(),
                            ),
                            hint: Text("Pilih Gudang"),
                            value: _valWarehouse,
                            items:
                                _dataWarehouse.map((WarehouseModel warehouse) {
                              return DropdownMenuItem<WarehouseModel>(
                                child: Text('${warehouse.name}'),
                                value: warehouse,
                              );
                            }).toList(),
                            onChanged: (WarehouseModel? value) {
                              setState(() {
                                _valWarehouse = value;
                              });
                            },
                          ),
                        ),
                      ),
                      SizedBox(height: 16),
                      FractionallySizedBox(
                        widthFactor: 1.0, // Lebar penuh
                        child: Card(
                          elevation: 1,
                          child: Padding(
                            padding: const EdgeInsets.all(8),
                            child: Column(
                              children: [
                                Text(
                                  'Data dari QR Code:',
                                  style: TextStyle(
                                    fontSize: 16,
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                                SizedBox(height: 8),
                                Text(
                                  result != null
                                      ? result!.code ??
                                          'Belum ada data QR Code terpindai'
                                      : 'Belum ada data QR Code terpindai',
                                  style: TextStyle(fontSize: 14),
                                ),
                              ],
                            ),
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
      bottomNavigationBar: BottomAppBar(
        height: MediaQuery.of(context).size.height / 8,
        color: Color.fromARGB(255, 5, 28, 158), // Warna latar belakang
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Container(
              width: MediaQuery.of(context).size.width / 3,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Container(
                    height: 50, // Lebar dan tinggi sesuai kebutuhan
                    width: 50,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: Colors.red, // Warna merah untuk close
                    ),
                    child: IconButton(
                      onPressed: () {
                        // Navigator.pop(context);
                        Navigator.pushNamed(context, '/peminjaman-barang');
                      },
                      icon: Icon(Icons.close, color: Colors.white),
                    ),
                  ),
                ],
              ),
            ),
            // Container(
            //   // width: 50, // Lebar sesuai kebutuhan
            //   width: 65.0,
            //   height: 50, // Tinggi sesuai kebutuhan
            //   decoration: BoxDecoration(
            //     color: Colors.indigoAccent, // Warna latar belakang
            //     shape: BoxShape.circle, // Membuat lingkaran
            //   ),
            //   child: IconButton(
            //     onPressed: () {
            //       showModalBottomSheet(
            //         context: context,
            //         builder: (BuildContext context) {
            //           return Stack(
            //             alignment: Alignment.center,
            //             children: [
            //               Container(
            //                 height: double.infinity,
            //                 width: double.infinity,
            //                 child: QRView(
            //                   key: qrKey,
            //                   onQRViewCreated: _onQRViewCreated,
            //                   overlay: QrScannerOverlayShape(
            //                     borderColor: Colors.red,
            //                     borderRadius: 10,
            //                     borderLength: 30,
            //                     borderWidth: 10,
            //                     cutOutSize: 300,
            //                   ),
            //                 ),
            //               ),
            //               Positioned(
            //                 bottom: 16,
            //                 child: ElevatedButton(
            //                   onPressed: () {
            //                     Navigator.of(context).pop();
            //                   },
            //                   child: Text('Tutup'),
            //                 ),
            //               ),
            //             ],
            //           );
            //         },
            //       );
            //     },
            //     icon: Icon(
            //       Icons.qr_code,
            //       size: 30,
            //     ),
            //     color: Colors.white, // Warna ikon
            //   ),
            // ),
            Container(
              width: MediaQuery.of(context).size.width / 3,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Container(
                    height: 50, // Lebar dan tinggi sesuai kebutuhan
                    width: 50,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: Colors.green, // Warna hijau untuk save
                    ),
                    child: IconButton(
                      onPressed: () {
                        if (_formKey.currentState!.validate()) {
                          try {
                            if (_exit_atController.text.isNotEmpty) {
                              _storePeminjaman();
                            }
                          } catch (e) {
                            print('Error storing data: $e');
                          }
                        }
                      },
                      icon: Icon(Icons.save, color: Colors.white),
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}