import 'dart:async';
import 'dart:convert';
import 'dart:developer';

import 'package:flutter/material.dart';
import 'package:data_table_2/data_table_2.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:siopas/models/condition_peti_model.dart';
import 'package:siopas/models/customer_model.dart';
import 'package:siopas/models/disposal_model.dart';
import 'package:siopas/models/m_asset_status_model.dart';
import 'package:siopas/models/type_peti_model.dart';
import 'package:siopas/models/warehouse_mode.dart';
import 'package:siopas/pages/pengembalian_barang/conn/syncronize.dart';
import 'package:siopas/pages/pengembalian_barang/controller/pengembalian_controller.dart';
import 'package:siopas/pages/pengembalian_barang/show.dart';
import 'package:siopas/services/syncronizeAPI.dart';
import 'package:siopas/services/controllerApi.dart';
import 'package:siopas/pages/peminjaman_barang/controller/peminjaman_controller.dart';
import 'package:intl/intl.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:siopas/models/asset_status_model.dart';
import 'package:collection/collection.dart';

import '../peminjaman_barang/show.dart';
// import 'show.dart';

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

  @override
  State<PengembalianBarangPage> createState() => PengembalianBarangPageState();
}

class PengembalianBarangPageState extends State<PengembalianBarangPage> {
  String? token;
  bool loading = true;

  // Reinit atau Upload Only
  WarehouseModel? warehouseSqfliteApi;
  List<TypePetiModel>? typePetiSqfliteApi;
  List<CustomerModel>? customerSqfliteApi;
  PetiAssetModel? petiSqfliteApi;
  ConditionPetiModel? conditionPetiSqfliteApi;
  DisposalPetiModel? disposalSqfliteApi;

  List<PetiAssetModel>? _valpeti; // Change this line
  List<WarehouseModel>? _valwarehouse;
  List<ConditionPetiModel>? _valconditionPeti;
  List<DisposalPetiModel>? _valdisposal;

  // Datatable
  int _currentPage = 1;
  int _pageSize = 10;
  List<AssetStatusModel>? _data;
  List<PetiAssetModel>? _petiData;
  List<TypePetiModel>? _tipePetiData;
  List<CustomerModel>? _customerData;
  List<WarehouseModel>? _warehouseData;
  List<ConditionPetiModel>? _conditionData;
  bool _isLoading = false;
  Timer? _timer;

  @override
  void initState() {
    super.initState();
    _getUserToken();

    warehouseListAPI();
    conditionPetiListAPI();
    typePetiListAPI();
    customerListAPI();
    petiListAPI();
    // disposalListAPI();

    // Tampil data Datatables
    datatablesPengembalianList();
    datatablesPetiList();
    datatablesTipePetiList();
    datatablesCustomerList();
    datatablesWarehouseList();
    datatablesConditionList();
    _data = <AssetStatusModel>[];
  }

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

  // Reinit atau Upload Only ------------------------------------------------------------------------
  Future warehouseListAPI() async {
    if (mounted) {
      await ControllerApi().fetchWarehouseDataAPI().then((value) {
        setState(() {
          _valwarehouse = (value as List<dynamic>)
              .map((item) => WarehouseModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  // Future disposalListAPI() async {
  //   if (mounted) {
  //     await ControllerApi().fetchDisposalDataAPI().then((value) {
  //       setState(() {
  //         _valdisposal = (value as List<dynamic>)
  //             .map((item) => DisposalPetiModel.fromJson(item))
  //             .toList();
  //         loading = false;
  //       });
  //     });
  //   }
  // }

  Future typePetiListAPI() async {
    if (mounted) {
      await ControllerApi().fetchTipePetiDataAPI().then((value) {
        setState(() {
          typePetiSqfliteApi = (value as List<dynamic>)
              .map((item) => TypePetiModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future customerListAPI() async {
    if (mounted) {
      await ControllerApi().fetchCustomerDataAPI().then((value) {
        setState(() {
          customerSqfliteApi = (value as List<dynamic>)
              .map((item) => CustomerModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future petiListAPI() async {
    if (mounted) {
      await ControllerApi().fetchPetiDataAPI().then((value) {
        setState(() {
          _valpeti = (value as List<dynamic>)
              .map((item) => PetiAssetModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future conditionPetiListAPI() async {
    if (mounted) {
      await ControllerApi().fetchKondisiPetiDataAPI().then((value) {
        setState(() {
          _valconditionPeti = (value as List<dynamic>)
              .map((item) => ConditionPetiModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  // Future<void> reinitAssetStatusApi() async {
  //   List<AssetStatusModel> assetStatusApiData =
  //       await SyncronizationDataAPI().fetchAssetStatusFromApi();
  //   await ControllerApi()
  //       .deleteAllAssetStatusDataAPI(); // Clear existing data in SQLite
  //   await ControllerApi()
  //       .addAllAssetStatusDataAPI(assetStatusApiData); // Add new data to SQLite
  // }

  Future<void> reinitWarehouseApi() async {
    EasyLoading.show(status: 'Mengambil data Warehouse...');
    List<WarehouseModel> warehouseApiData =
        await SyncronizationDataAPI().fetchWarehouseFromApi();
    await ControllerApi()
        .deleteAllWarehouseDataAPI(); // Clear existing data in SQLite
    await ControllerApi()
        .addAllWarehouseDataAPI(warehouseApiData); // Add new data to SQLite
    EasyLoading.dismiss();
  }

  Future<void> reinitPetiApi() async {
    EasyLoading.show(status: 'Mengambil data Peti...');
    List<PetiAssetModel> petiApiData =
        await SyncronizationDataAPI().fetchPetiFromApi();
    await ControllerApi()
        .deleteAllPetiDataAPI(); // Clear existing data in SQLite
    await ControllerApi()
        .addAllPetiDataAPI(petiApiData); // Add new data to SQLite
    EasyLoading.dismiss();
  }

  Future<void> reinitCustomerApi() async {
    EasyLoading.show(status: 'Mengambil data Customer...');
    List<CustomerModel> customerApiData =
        await SyncronizationDataAPI().fetchCustomerFromApi();
    await ControllerApi()
        .deleteAllCustomerDataAPI(); // Clear existing data in SQLite
    await ControllerApi()
        .addAllCustomerDataAPI(customerApiData); // Add new data to SQLite
    EasyLoading.dismiss();
  }

  Future<void> reinitConditionPetiApi() async {
    EasyLoading.show(status: 'Mengambil data Condition Peti...');
    List<ConditionPetiModel> conditionPetiApiData =
        await SyncronizationDataAPI().fetchKondisiPetiFromApi();
    await ControllerApi()
        .deleteAllKondisiPetiDataAPI(); // Clear existing data in SQLite
    await ControllerApi().addAllKondisiPetiDataAPI(
        conditionPetiApiData); // Add new data to SQLite
    EasyLoading.dismiss();
  }
  // Future<void> reinitDisposalApi() async {
  //   List<DisposalPetiModel> disposalApiData =
  //       await SyncronizationDataAPI().fetchDisposalFromApi();
  //   await ControllerApi()
  //       .deleteAllDisposalDataAPI(); // Clear existing data in SQLite
  //   await ControllerApi()
  //       .addAllDisposalDataAPI(disposalApiData); // Add new data to SQLite
  // }

  Future<void> fetchDataFromApiAndSync() async {
    EasyLoading.show(status: 'Mengambil data dari Server...');
    try {
      await syncToMysql();

      // await reinitAssetStatusApi();
      await reinitWarehouseApi();
      await reinitPetiApi();
      await reinitCustomerApi();
      // await reinitTypePetiApi();
      await reinitConditionPetiApi();
      // await reinitDisposalApi();

      await datatablesPengembalianList();
      EasyLoading.showSuccess('Data berhasil diperbarui');
    } catch (e) {
      EasyLoading.showError('Gagal memperbarui data: $e');
    } finally {
      EasyLoading.dismiss();
    }
  }

  Future syncToMysql() async {
    await SyncronizationPengembalianData()
        .fetchAllInfo()
        .then((assetList) async {
      EasyLoading.show(
          status: 'Jangan tutup aplikasi. Kami sedang menyinkronkan...');
      await Future.delayed(Duration(seconds: 3));

      // Tambahkan penanganan pengunggahan
      bool uploadSuccess = await SyncronizationPengembalianData()
          .savePengembalianToServerWith(assetList);

      // Jika pengunggahan berhasil, hapus data lokal
      if (uploadSuccess) {
        await SyncronizationPengembalianData().deleteAllAssetStatusData();
        // Setelah selesai, tampilkan pesan sukses
        await datatablesPengembalianList();
        EasyLoading.showSuccess('Berhasil disinkronkan dengan Server');
      } else {
        // Tampilkan pesan gagal jika pengunggahan tidak berhasil
        EasyLoading.showError('Gagal disinkronkan dengan Server');
      }
    });
  }

  // Future syncToMysql() async {
  //   await SyncronizationData().fetchAllInfo().then((assetList) async {
  //     EasyLoading.show(status: 'Don\'t close app. We are syncing...');
  //     await SyncronizationData().saveToMysqlWith(assetList);
  //     await SyncronizationData().deleteAllAssetStatusData();
  //     // EasyLoading.showSuccess('Successfully saved to MySQL');
  //   });
  // }

  Future<void> isInteret() async {
    await SyncronizationPengembalianData.isInternet().then((connection) {
      if (connection) {
        print("Internet connection available");
      } else {
        ScaffoldMessenger.of(context)
            .showSnackBar(SnackBar(content: Text("No Internet")));
      }
    });
  }

  // Datatables ------------------------------------------------------------------------
  Future datatablesPengembalianList() async {
    await ControllerPengembalian()
        .fetchPengembalianLocalController()
        .then((value) {
      setState(() {
        _data = (value as List<dynamic>)
            .map((e) => AssetStatusModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future datatablesPetiList() async {
    await ControllerPengembalian().fetchPetiData().then((value) {
      setState(() {
        _petiData = (value as List<dynamic>)
            .map((e) => PetiAssetModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future datatablesTipePetiList() async {
    await ControllerPengembalian().fetchTipePetiData().then((value) {
      setState(() {
        _tipePetiData = (value as List<dynamic>)
            .map((e) => TypePetiModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future datatablesCustomerList() async {
    await ControllerPengembalian().fetchCustomerData().then((value) {
      setState(() {
        _customerData = (value as List<dynamic>)
            .map((e) => CustomerModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future datatablesWarehouseList() async {
    await ControllerPengembalian().fetchWarehouseData().then((value) {
      setState(() {
        _warehouseData = (value as List<dynamic>)
            .map((e) => WarehouseModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future datatablesConditionList() async {
    await ControllerPengembalian().fetchConditionData().then((value) {
      setState(() {
        _conditionData = (value as List<dynamic>)
            .map((e) => ConditionPetiModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  void _loadMoreData() {
    if (mounted && !_isLoading) {
      setState(() {
        _currentPage++;
      });
      datatablesPengembalianList();
    }
  }

  @override
  Widget build(BuildContext context) {
    // Add this function outside the build method
    void showSyncDialog(BuildContext context) {
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return Dialog(
            // Dialog shape and style
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(16),
            ),
            backgroundColor: Colors.grey[100],
            elevation: 0,

            // Dialog content
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                // Dialog title with close button
                Container(
                  width: double.infinity,
                  color: Colors.indigo[700], // Indigo background
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Padding(
                        padding: const EdgeInsets.all(16.0),
                        child: Text(
                          "Sync Server Pengembalian",
                          style: TextStyle(
                            color: Colors.white,
                            fontWeight: FontWeight.bold,
                            fontSize: 16.0,
                          ),
                        ),
                      ),
                      IconButton(
                        icon: Icon(
                          Icons.close,
                          color: Colors.white,
                        ),
                        onPressed: () {
                          Navigator.pop(context); // Close dialog
                        },
                      ),
                    ],
                  ),
                ),

                // Divider
                Divider(
                  height: 1,
                  thickness: 1,
                  color: Colors.black, // Black divider
                ),

                // Re-init Button
                Container(
                  width: double.infinity,
                  child: TextButton(
                    onPressed: () {
                      Navigator.pop(context); // Close dialog
                      fetchDataFromApiAndSync();
                    },
                    child: Text(
                      "Upload + Download",
                      style: TextStyle(
                        color: Colors.black,
                        fontSize: 16.0,
                        fontFamily: 'Poppins',
                      ),
                    ),
                  ),
                ),

                // Divider
                // Divider(
                //   height: 1,
                //   thickness: 1,
                //   color: Colors.black, // Black divider
                // ),

                // Upload Only Button
                // Container(
                //   width: double.infinity,
                //   child: TextButton(
                //     onPressed: () {
                //       Navigator.pop(context); // Close dialog
                //       syncToMysql();
                //     },
                //     child: Text(
                //       "Upload Only",
                //       style: TextStyle(
                //         color: Colors.black,
                //         fontSize: 16.0,
                //         fontFamily: 'Poppins',
                //       ),
                //     ),
                //   ),
                // ),
              ],
            ),
          );
        },
      );
    }

    return DefaultTabController(
      length: 1,
      child: Scaffold(
        appBar: AppBar(
          backgroundColor: Colors.indigo[700],
          elevation: 0,
          title: Text('Data Pengembalian Barang',
              style: TextStyle(
                fontSize: 16,
              )),
          actions: [
            IconButton(
              icon: Icon(Icons.backup),
              onPressed: () async {
                if (await SyncronizationPengembalianData.isInternet()) {
                  // Display custom dialog when the IconButton is pressed
                  showSyncDialog(context);
                } else {
                  ScaffoldMessenger.of(context).showSnackBar(
                    SnackBar(content: Text("No internet connection")),
                  );
                }
              },
            ),
          ],
          leading: IconButton(
            icon: Icon(Icons.arrow_back, color: Colors.white),
            onPressed: () {
              Navigator.pushNamed(context, '/home');
            },
          ),
          bottom: TabBar(
            indicator: BoxDecoration(color: Color.fromARGB(255, 50, 39, 122)),
            tabs: [
              Tab(text: 'Pengembalian Peti Hari ini'),
            ],
          ),
        ),
        body: _isLoading
            ? const Center(child: CircularProgressIndicator())
            : TabBarView(
                children: [
                  SingleChildScrollView(
                    child: Column(
                      children: [
                        SizedBox(
                          width: double.infinity,
                          child: PaginatedDataTable(
                            // header: Text('Searching'), // Removed const
                            rowsPerPage: _pageSize,
                            availableRowsPerPage: [10, 25, 50], // Removed const
                            onRowsPerPageChanged: (value) {
                              setState(() {
                                _pageSize = value!;
                              });
                            },
                            columns: [
                              DataColumn(label: Text('No')),
                              DataColumn(label: Text('')),
                              DataColumn(label: Text('Kode Peti')),
                              DataColumn(label: Text('Tgl Pengembalian')),
                              DataColumn(label: Text('PJ Pengembalian')),
                              DataColumn(label: Text('Tujuan WH Pengembalian')),
                              DataColumn(label: Text('Kondisi Peti')),
                            ],
                            source: _DataSourceLokal(
                              data: _data!,
                              context: context,
                              petiData: _petiData != null ? _petiData : [],
                              tipePetiData:
                                  _tipePetiData != null ? _tipePetiData : [],
                              customerData:
                                  _customerData != null ? _customerData : [],
                              warehouseData:
                                  _warehouseData != null ? _warehouseData : [],
                              conditionData:
                                  _conditionData != null ? _conditionData : [],
                            ),
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
        bottomNavigationBar: BottomAppBar(
          color: Color.fromARGB(255, 5, 28, 158), // Warna latar belakang
          child: Container(
            height: 65.0,
            child: Row(
              mainAxisSize: MainAxisSize.max,
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                InkWell(
                  customBorder: CircleBorder(),
                  onTap: () {
                    // Aksi ketika ikon diklik
                    Navigator.pushNamed(context, '/pengembalian-barang/edit');
                  },
                  child: Container(
                    width: 45,
                    height: 45,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: Colors.greenAccent[700],
                    ),
                    child: Icon(
                      Icons.add,
                      size: 30,
                      color: Colors.white,
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

class _DataSourceLokal extends DataTableSource {
  final List<AssetStatusModel> data;
  List<PetiAssetModel>? petiData;
  List<TypePetiModel>? tipePetiData;
  List<CustomerModel>? customerData;
  List<WarehouseModel>? warehouseData;
  List<ConditionPetiModel>? conditionData;
  final BuildContext context;

  _DataSourceLokal({
    required this.data,
    required this.petiData,
    required this.tipePetiData,
    required this.customerData,
    required this.warehouseData,
    required this.conditionData,
    required this.context,
  });
  @override
  DataRow? getRow(int index) {
    if (index >= data.length) {
      return null;
    }

    data.sort((a, b) {
      if (a.created_at == null && b.created_at == null) {
        return 0; // Both dates are null, consider them equal
      } else if (a.created_at == null) {
        return 1; // Null is considered greater than non-null
      } else if (b.created_at == null) {
        return -1; // Non-null is considered smaller than null
      } else {
        return b.created_at!.compareTo(a.created_at!); // Compare non-null dates
      }
    });

    final item = data[index];

    // Menemukan data peti yang sesuai dengan asset
    PetiAssetModel? petiSqfliteApi;
    if (item.peti_id != null) {
      petiSqfliteApi = petiData!.firstWhere(
        (peti) => peti.id == item.peti_id,
        orElse: () => PetiAssetModel(
          id: null,
          tipe_peti_id: null,
          warna: 'null',
          packing_no: null,
          customer_id: null,
          warehouse_id: null,
          kondisipeti_id: null,
          jumlah: null,
          date_pembuatan: DateTime.now(),
          created_by: 'null',
          updated_by: 'null',
          fix_lot: '',
        ),
      );
    }

    TypePetiModel? tipePetiSqfliteApi;
    if (petiSqfliteApi != null && petiSqfliteApi.tipe_peti_id != null) {
      tipePetiSqfliteApi = tipePetiData?.firstWhere(
        (tipePeti) => tipePeti.id == petiSqfliteApi?.tipe_peti_id,
        orElse: () => TypePetiModel(
          id: null,
          type: 'null',
          size_peti: 'null',
          description: 'null',
          created_by: 'null',
          updated_by: 'null',
        ),
      );
    }

    CustomerModel? customerSqfliteApi;
    if (petiSqfliteApi != null && petiSqfliteApi.customer_id != null) {
      customerSqfliteApi = customerData?.firstWhere(
        (customer) => customer.id == petiSqfliteApi?.customer_id,
        orElse: () => CustomerModel(
          id: null,
          name: 'null',
          code_customer: 'null',
          lot_no: 'null',
          created_by: 'null',
          updated_by: 'null',
        ),
      );
    }

    ConditionPetiModel? conditionSqfliteApi;
    if (item.kondisi_peti_id != null) {
      conditionSqfliteApi = conditionData?.firstWhere(
        (warehouse) => warehouse.id == item.kondisi_peti_id,
        orElse: () => ConditionPetiModel(
          id: null,
          nama_kondisi: 'null',
          created_by: 'null',
          updated_by: 'null',
        ),
      );
    }

    WarehouseModel? warehouseSqfliteApi;
    if (item.enter_warehouse != null) {
      warehouseSqfliteApi = warehouseData?.firstWhere(
        (warehouse) => warehouse.id == item.enter_warehouse,
        orElse: () => WarehouseModel(
          id: null,
          name: 'null',
          created_by: 'null',
          updated_by: 'null',
        ),
      );
    }

    return DataRow(cells: [
      DataCell(
        Text(
          (index + 1).toString(),
        ),
      ),
      DataCell(
        GestureDetector(
          onTap: () {
            if (item.id != null) {
              Navigator.push(
                context,
                MaterialPageRoute(
                  builder: (context) => DetailPengembalianBarangPage(
                    pengembalianId: item.id.toString(),
                  ),
                ),
              );

              // print('asset id: ${item.id}');
            }
          },
          child: Icon(Icons.article,
              size: 40,
              color: Colors.indigo[700]), // Ganti ikon sesuai kebutuhan
        ),
      ),
      DataCell(
        Text(
          petiSqfliteApi != null && petiSqfliteApi.fix_lot != null
              ? petiSqfliteApi!.fix_lot.toString()
              : '-',
        ),
      ),
      DataCell(
        Text(
          item.enter_at != null
              ? DateFormat('dd-MM-yyyy').format(item.enter_at!)
              : '-',
        ),
      ),
      DataCell(
        Text(
          item.enter_pic.toString() != 'null' ? item.enter_pic.toString() : '-',
        ),
      ),
      DataCell(
        Text(
          (item.enter_warehouse != null && item.enter_warehouse != 'null')
              ? warehouseSqfliteApi != null &&
                      warehouseSqfliteApi.id == item.enter_warehouse
                  ? warehouseSqfliteApi.name.toString()
                  : '-'
              : '-',
        ),
      ),
      DataCell(
        Text(
          conditionSqfliteApi != null &&
                  conditionSqfliteApi.nama_kondisi != null
              ? conditionSqfliteApi!.nama_kondisi.toString()
              : '-',
        ),
      ),
    ]);
  }

  @override
  bool get isRowCountApproximate => false;

  @override
  int get rowCount => data.length;

  @override
  int get selectedRowCount => 0;
}