import 'dart:convert';

import 'package:dropdown_search/dropdown_search.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;
import 'package:nhance_partner/presentation/providers/userRoleProvider.dart';

import 'package:toastification/toastification.dart';

import '../../../../core/config/env.dart';
import '../../../../core/services/api_service.dart';
import '../../../../data/services/auth_service.dart';
import '../../../../data/utils/toastNotification.dart';
import '../../../../data/utils/validators.dart';
import '../../layouts/responsive_layout.dart';
import '../../providers/manager_provider.dart';
import '../../themes/indicators/input_field_decoration.dart';
import '../../themes/indicators/text_field_theme.dart';

// 🔹 Custom Dialog Widget
class AssignStaffDialog extends ConsumerStatefulWidget {
  final dynamic userId;
  final dynamic regNum;
  final dynamic enquiryPrimaryId;
  final void Function(String value) onSubmit;

  const AssignStaffDialog({
    super.key,
    required this.onSubmit,
    required this.regNum,
    required this.userId,
    required this.enquiryPrimaryId,
  });

  @override
  // State<AssignStaffDialog> createState() => _AddDialogState();
  ConsumerState<AssignStaffDialog> createState() => _AddDialogState();
}

class _AddDialogState extends ConsumerState<AssignStaffDialog> {
  late ApiService apiService;
  String? _token;
  dynamic role;
  bool isLoading = false;
  bool showSuccess = false;
  late TextEditingController controller;
  Map<String, TextEditingController> controllers = {};

  List<Map<String, dynamic>> getInsurersData = [];
  List<Map<String, dynamic>> filteredInsurersData = [];
  String? selectedInsurer;
  List<Map<String, dynamic>> getBrokerData = [];
  List<Map<String, dynamic>> filteredBrokerData = [];
  String? selectedBroker;

  final _formKey = GlobalKey<FormState>();
  final _formKeyEndrosment = GlobalKey<FormState>();
  final GlobalKey<DropdownSearchState<Map<String, dynamic>>> dropDownKey =
      GlobalKey<DropdownSearchState<Map<String, dynamic>>>();

  List<String> tabHeader = ['regNum'];

  final GlobalKey<DropdownSearchState<Map<String, dynamic>>>
  dropDownKeyInsurerEnqAsgn =
      GlobalKey<DropdownSearchState<Map<String, dynamic>>>();

  final GlobalKey<DropdownSearchState<Map<String, dynamic>>> dropDownKeyBroker =
      GlobalKey<DropdownSearchState<Map<String, dynamic>>>();

  List<Map<String, dynamic>> getStaffDetailsDataEnqAsgn = [];
  List<Map<String, dynamic>> filteredStaffDataEnqAsgn = [];

  String? selectedStaff;
  String? selectedRegNum;
  String? selectedStaffName;

  dynamic managerId;

  Map<String, dynamic> dataDetails() {
    final data = {
      "id": widget.enquiryPrimaryId,
      "assigned_to": selectedStaff,
      "insurer_id": selectedInsurer,
      "broker_id": selectedBroker,
      "updated_by": widget.userId,
    };
    return data;
  }

  @override
  void initState() {
    super.initState();
    apiService = ApiService();
    for (String field in tabHeader) {
      controllers[field] = TextEditingController();
    }

    controllers["regNum"]?.text = widget.regNum;
    selectedRegNum = widget.regNum;

    // 🔹 Init logic here (API calls, token fetch, etc.)
    _initializeToken();
    // getStaffDetailsForEnquiryAssignment(1);
    getInsurers();
    getBroker();
    Future.microtask(() {
      managerId = ref.watch(managerIdProvider);
      // final handlerId = ref.watch(handlerIdProvider);
      role = ref.watch(userRoleProvider);
      final userID = ref.watch(userIdProvider);

      print("managerId - $managerId");
      if (userID != null) {
        print('hansles');
        getStaffDetailsForEnquiryAssignment(userID);
      }
    });
  }

  Future<void> _initializeToken() async {
    _token = await AuthService.getToken();
    print("APISERTOKEN - $_token");
  }

  Future<void> getInsurers() async {
    print('Insurers called');
    setState(() {
      isLoading = true;
    });

    try {
      final response = await apiService.fetchMasterDropDown('Insurers');

      if (response['status'] == 200) {
        print('getInsurers - ${response['data']}');
        setState(() {
          getInsurersData = List<Map<String, dynamic>>.from(response['data']);
          print('API Data - $getInsurersData');

          filteredInsurersData = List.from(getInsurersData);
          // print('originalData - $filteredInsurersData');
        });
      } else {
        getInsurersData = [];
        filteredInsurersData = [];
      }
    } catch (e) {
      print('Exception occurred: $e');
    } finally {
      setState(() {
        isLoading = false;
      });
    }
  }

  Future<void> getBroker() async {
    print('getBroker called');
    setState(() {
      isLoading = true;
    });

    try {
      final response = await apiService.fetchMasterDropDown('Broker');

      if (response['status'] == 200) {
        print('getBroker - ${response['data']}');
        setState(() {
          getBrokerData = List<Map<String, dynamic>>.from(response['data']);
          print('API Data - $getBrokerData');

          filteredBrokerData = List.from(getBrokerData);
          // print('originalData - $filteredBrokerData');
        });
      } else {
        getBrokerData = [];
        filteredBrokerData = [];
      }
    } catch (e) {
      print('Exception occurred: $e');
    } finally {
      setState(() {
        isLoading = false;
      });
    }
  }

  Future<void> getStaffDetailsForEnquiryAssignment(int id) async {
    print('getStaffDetailsForEnquiryAssignment called By handler');
    setState(() {
      isLoading = true;
    });

    try {
      // final response = await apiService.fetchStaffUserList(id, role);
      final response = await apiService.fetchStaffListForEnquiryAssignDropDown(
        managerId,
        id,
        role,
      );

      if (response['status'] == 'success') {
        print('getStaffDetailsForEnquiryAssignment - ${response['data']}');
        setState(() {
          getStaffDetailsDataEnqAsgn = List<Map<String, dynamic>>.from(
            response['data'],
          );
          print('API Data - $getStaffDetailsDataEnqAsgn');

          filteredStaffDataEnqAsgn = List.from(getStaffDetailsDataEnqAsgn);
          // print('originalData - $filteredStaffDataEnqAsgn');
        });
      } else {
        getStaffDetailsDataEnqAsgn = [];
        filteredStaffDataEnqAsgn = [];
      }
    } catch (e) {
      print('Exception occurred: $e');
    } finally {
      setState(() {
        isLoading = false;
      });
    }
  }

  void handleDone() {
    if (!_formKey.currentState!.validate()) return;
    setState(() {
      if (_formKey.currentState!.validate()) {
        dataDetails();
        final dataSet = dataDetails();
        print("b4 - $dataSet");
        dataSet['from_dashboard_enquiry_status'] = 'Assigned';
        print("Atr - $dataSet");
        createUserData(dataSet);
      } else {
        // isDi sable = false;
      }
    });
  }

  Future<void> createUserData(data) async {
    // final bool isUpdating = widget.id != null && widget.id != 'create';
    final String apiUrldata;

    apiUrldata = '${Env.apiUrl}enquiry/enquiryAssignUpdate';

    // final token = await getToken(); // Fetch token

    if (_token == null) {
      throw Exception('Token not found. Please log in.');
    }

    print("data-------  $data}");

    try {
      final response = await http.post(
        Uri.parse(apiUrldata),
        headers: {
          'Authorization': 'Bearer $_token',
          'Content-Type': 'application/json',
          'app-signature': Env.App_Signature,
        },
        body: jsonEncode(data), // Convert map to JSON
      );

      if (response.statusCode == 200) {
        print("Staff submitted successfully!");
        print("Response: ${response.body}");
        ToastHelper.showSuccessToast(context, 'Saved Successfully');

        setState(() {
          showSuccess = true;
        });

        // Navigator.of(context).pop();
        //
        widget.onSubmit("success");
        // context.go(AppRoutes.staffLst);
      } else if (response.statusCode == 403) {
        await apiService.clearLocalStorageAndRedirect();
      } else {
        final responseBody = jsonDecode(response.body);
        dynamic msg = responseBody['data'];

        print("Failed to submit plan. Status: ${response.statusCode}");
        print("Error: ${response.body}");

        ToastHelper.showErrorToast(context, 'Failed To Save');
      }
    } catch (e) {
      print(" Error submitting Staff: $e");
    }
  }

  @override
  void dispose() {
    // controllers.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return SelectionArea(
        child:AlertDialog(
      backgroundColor: Colors.white,
      content: showSuccess
          ? Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                Row(
                  mainAxisAlignment: MainAxisAlignment.end,
                  children: [
                    GestureDetector(
                      onTap: () => Navigator.pop(context),
                      child: Container(
                        padding: const EdgeInsets.all(5.0),
                        decoration: BoxDecoration(
                          color: const Color(0xFFF1F1F1),
                          borderRadius: BorderRadius.circular(5.0),
                        ),
                        child: Tooltip(
                          message: 'Close',
                          child: const Icon(Icons.close, size: 18),
                        ),
                      ),
                    ),
                  ],
                ),

                const SizedBox(height: 16),
                successContent(context),
              ],
            )
          : Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                // Header row
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Text(
                      'Assign Enquiry To Staff',
                      style: GoogleFonts.inter(
                        color: const Color(0xFF374141),
                        fontSize: 14,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                    GestureDetector(
                      onTap: () => Navigator.pop(context),
                      child: Container(
                        padding: const EdgeInsets.all(5.0),
                        decoration: BoxDecoration(
                          color: const Color(0xFFF1F1F1),
                          borderRadius: BorderRadius.circular(5.0),
                        ),
                        child: Tooltip(
                          message: 'Close',
                          child: const Icon(Icons.close, size: 18),
                        ),
                      ),
                    ),
                  ],
                ),

                const SizedBox(height: 16),

                // 🔹 Switch content dynamically
                claims(context),
              ],
            ),
      actions: [
        if (!showSuccess)
          Center(
            child: GestureDetector(
              onTap: () {
                handleDone();
                // widget.onSubmit(controller.text.trim());
                // Navigator.of(context).pop();
              },
              child: Container(
                padding: const EdgeInsets.symmetric(
                  horizontal: 25.0,
                  vertical: 8,
                ),
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(8.0),
                  color: const Color(0xFF425B5B),
                ),
                child: const Text(
                  'Assign',
                  style: TextStyle(color: Colors.white),
                ),
              ),
            ),
          ),
      ],
    ),);
  }

  // 🔹 Example: Claims widget
  Widget claims(BuildContext context) {
    return Form(
      key: _formKey,
      child: Column(
        children: [
          buildRegistrationNumber(context),
          buildSelectStaffMem(context),
          buildInsurer(context),
          buildBroker(context),
        ],
      ),
    );
  }

  Widget successContent(BuildContext context) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        Image.asset(
          "assets/miscellaneous/success_img1.png",
          height: 60,
          width: 60,
        ),
        SizedBox(height: 15),
        Text('Vehicle policy successfully assigned ', style: _successText),
        Text(
          'to $selectedStaffName  for vehicle $selectedRegNum',
          style: _successText,
        ),
      ],
    );
  }

  //  ------------------------- Widget Part -----------------------------------
  Widget buildRegistrationNumber(context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text("Vehicle Number", style: _textStyle),
        SizedBox(height: 10),
        ThemedFormField(
          controller: controllers['regNum']!,
          backgroundColor: Color(0xFFEDF6F5),
          // validator: (value) => Validators.requiredField(value, "name"),
          txtwidth: ResponsiveLayout.isMobile(context)
              ? null
              : MediaQuery.of(context).size.width * 0.26,
          readOnly: true,
        ),
      ],
    );
  }

  Widget buildSelectStaffMem(ctx) {
    // Map<String, dynamic>? selectedVehicle = filteredStaffDataEnqAsgn.firstWhere(
    //   (item) => item['id'].toString() == selectedStaff,
    //   orElse: () => {},
    // );

    Map<String, dynamic>? selectedVehicle;
    try {
      selectedVehicle = filteredStaffDataEnqAsgn.firstWhere(
        (item) => item['id'].toString() == selectedStaff,
      );
    } catch (e) {
      selectedVehicle = null; // ✅ fallback
    }

    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text("Select Staff Member *", style: _textStyle),
        SizedBox(height: 10),
        Container(
          color: Colors.white,
          width: ResponsiveLayout.isMobile(context)
              ? null
              : MediaQuery.of(context).size.width * 0.26,
          // height: 40,
          child: DropdownSearch<Map<String, dynamic>>(
            key: dropDownKey,
            // selectedItem: selectedVehicle.isNotEmpty ? selectedVehicle : null,
            selectedItem: selectedVehicle,
            items: (filter, infiniteScrollProps) {
              return filteredStaffDataEnqAsgn;
            },

            itemAsString: (val) => val['name'].toString(),
            compareFn: (item, selectedItem) =>
                item['id'] == selectedItem['id'], // ✅ compare by id
            validator: (val) {
              if (val == null) {
                return "Required"; // ✅ error message
              }
              return null;
            },

            // dropdownBuilder: (context, selectedItem) => Align(
            //   alignment: Alignment.centerLeft,
            //
            //   child: Text(
            //     selectedItem != null ? selectedItem['name'].toString() : "",
            //     style: GoogleFonts.poppins(fontSize: 11, color: Colors.black),
            //     overflow: TextOverflow.ellipsis,
            //     maxLines: 1,
            //     softWrap: false,
            //   ),
            // ),
            decoratorProps: DropDownDecoratorProps(
              decoration:
                  AppInputDecorations.dropdownDecoration(
                    label: "Select Staff Member",
                  ).copyWith(
                    filled: true,
                    fillColor: Color( 0xFFEDF6F5,), // 👈 makes the dropdown input white
                    isDense: true, // 👈 Makes the field compact
                    contentPadding: const EdgeInsets.symmetric(horizontal: 15, vertical: 0), // 👈 Vertical 0 helps center the text
                  ),
            ),

            popupProps: PopupProps.menu(
              fit: FlexFit.loose,
              constraints: BoxConstraints(maxHeight: 250),
              menuProps: MenuProps(
                backgroundColor:
                    Colors.white, // 👈 sets dropdown background to white
              ),
              showSearchBox: true,
              searchFieldProps: TextFieldProps(
                decoration: InputDecoration(
                  filled: true,
                  fillColor: Colors.white,
                  hintText: "Search Staff ...",
                  enabledBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                    ), // 👈 Normal border
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                      width: 1.5,
                    ), // 👈 Focused border
                  ),
                ),
              ),
              // constraints: BoxConstraints(),
              itemBuilder: (context, item, isDisabled, isSelected) {
                return Container(
                  // color: isSelected ? Colors.blue.withOpacity(0.1) : null,
                  padding: const EdgeInsets.symmetric(
                    horizontal: 12,
                    vertical: 3,
                  ),
                  child: Text(
                    item['name'].toString(),
                    style: GoogleFonts.inter(fontSize: 14, color: Colors.black),
                  ),
                );
              },
            ),

            onChanged: (val) {
              if (val != null) {
                print("Selected Staff : ${val['name']}");
                print("Id: ${val['id']}");
                selectedStaffName = val['name'];
                selectedStaff = val['id'];
                // controllers['agentId']?.text = val['agent_code'];
                // agentId = agent['id'];
              }
            },
          ),
        ),
      ],
    );
  }

  Widget buildInsurer(BuildContext context) {
    Map<String, dynamic>? selectedInsurerd = filteredInsurersData.firstWhere(
      (item) => item['id'].toString() == selectedInsurer,
      orElse: () => {},
    );
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text('Insurer *', style: _textStyle),
        SizedBox(height: 10),
        Container(
          decoration: BoxDecoration(
            color: Colors.white,
            // borderRadius: BorderRadius.circular(10.0),
          ),
          width: ResponsiveLayout.isMobile(context)
              ? null
              : MediaQuery.of(context).size.width * 0.26,
          // height: 40,
          child: DropdownSearch<Map<String, dynamic>>(
            key: dropDownKeyInsurerEnqAsgn,
            selectedItem: selectedInsurerd.isNotEmpty ? selectedInsurerd : null,
            items: (filter, infiniteScrollProps) {
              return filteredInsurersData;
            },

            itemAsString: (val) => val['name'].toString(), // what to show
            compareFn: (item, selectedItem) =>
                item['id'] == selectedItem['id'], // ✅ compare by id
            validator: (val) {
              if (val == null) {
                return "Required"; // ✅ error message
              }
              return null;
            },
            decoratorProps: DropDownDecoratorProps(
              decoration:
                  AppInputDecorations.dropdownDecoration(
                    label: "Select Insurer",
                  ).copyWith(
                    filled: true,
                    fillColor: Color(0xFFEDF6F5), // 👈 makes the dropdown input white
                      isDense: true, // 👈 Makes the field compact
                      contentPadding: const EdgeInsets.symmetric(horizontal: 15, vertical: 0), // 👈 Vertical 0 helps center the text
                  ),
            ),

            popupProps: PopupProps.menu(
              fit: FlexFit.loose,
              constraints: BoxConstraints(maxHeight: 250),
              menuProps: MenuProps(
                backgroundColor:
                    Colors.white, // 👈 sets dropdown background to white
              ),
              showSearchBox: true,
              searchFieldProps: TextFieldProps(
                decoration: InputDecoration(
                  filled: true,
                  fillColor: Colors.white,
                  hintText: "Search Insurer...",
                  enabledBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                    ), // 👈 Normal border
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                      width: 1.5,
                    ), // 👈 Focused border
                  ),
                ),
              ),
              itemBuilder: (context, item, isDisabled, isSelected) {
                return Container(
                  // color: isSelected ? Colors.blue.withOpacity(0.1) : null,
                  padding: const EdgeInsets.symmetric(
                    horizontal: 8,
                    vertical: 3,
                  ),
                  child: Text(
                    item['name'].toString(),
                    style: GoogleFonts.inter(fontSize: 14, color: Colors.black),
                  ),
                );
              },
              // constraints: BoxConstraints(),
            ),

            onChanged: (val) {
              if (val != null) {
                print("Selected Insurer : ${val['name']}");
                print("Id: ${val['id']}");
                selectedInsurer = val['id'];
                // controllers['agentId']?.text = val['agent_code'];
                // agentId = agent['id'];
              }
            },
          ),
        ),
      ],
    );
  }

  Widget buildBroker(BuildContext context) {
    Map<String, dynamic>? selectedBrokers = filteredBrokerData.firstWhere(
      (item) => item['id'].toString() == selectedBroker,
      orElse: () => {},
    );
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text('Broker *', style: _textStyle),
        SizedBox(height: 10),
        Container(
          decoration: BoxDecoration(
            color: Colors.white,
            // borderRadius: BorderRadius.circular(10.0),
          ),
          width: ResponsiveLayout.isMobile(context)
              ? null
              : MediaQuery.of(context).size.width * 0.26,
          // height: 40,
          child: DropdownSearch<Map<String, dynamic>>(
            key: dropDownKeyBroker,
            selectedItem: selectedBrokers.isNotEmpty ? selectedBrokers : null,
            items: (filter, infiniteScrollProps) {
              return filteredBrokerData;
            },

            itemAsString: (val) => val['name'].toString(), // what to show
            compareFn: (item, selectedItem) =>
                item['id'] == selectedItem['id'], // ✅ compare by id
            validator: (val) {
              if (val == null) {
                return "Required"; // ✅ error message
              }
              return null;
            },
            decoratorProps: DropDownDecoratorProps(
              decoration:
                  AppInputDecorations.dropdownDecoration(
                    label: "Select Broker",
                  ).copyWith(
                    filled: true,
                    fillColor: Color(0xFFEDF6F5,), // 👈 makes the dropdown input white
                    isDense: true, // 👈 Makes the field compact
                    contentPadding: const EdgeInsets.symmetric(horizontal: 15, vertical: 0), // 👈 Vertical 0 helps center the text
                  ),
            ),

            popupProps: PopupProps.menu(
              fit: FlexFit.loose,
              constraints: BoxConstraints(maxHeight: 250),
              menuProps: MenuProps(
                backgroundColor:
                    Colors.white, // 👈 sets dropdown background to white
              ),
              showSearchBox: true,
              searchFieldProps: TextFieldProps(
                decoration: InputDecoration(
                  filled: true,
                  fillColor: Colors.white,
                  hintText: "Search Broker...",
                  enabledBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                    ), // 👈 Normal border
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: Colors.white,
                      width: 1.5,
                    ), // 👈 Focused border
                  ),
                ),
              ),

              itemBuilder: (context, item, isDisabled, isSelected) {
                return Container(
                  // color: isSelected ? Colors.blue.withOpacity(0.1) : null,
                  padding: const EdgeInsets.symmetric(
                    horizontal: 8,
                    vertical: 3,
                  ),
                  child: Text(
                    item['name'].toString(),
                    style: GoogleFonts.inter(fontSize: 14, color: Colors.black),
                  ),
                );
              },
              // constraints: BoxConstraints(),
            ),

            onChanged: (val) {
              if (val != null) {
                print("Selected Broker : ${val['name']}");
                print("Id: ${val['id']}");
                selectedBroker = val['id'];
                // controllers['agentId']?.text = val['agent_code'];
                // agentId = agent['id'];
              }
            },
          ),
        ),
      ],
    );
  }

  // ------------------- STyle ---------------------------------

  static final TextStyle _textStyle = TextStyle(
    fontSize: 12,
    fontWeight: FontWeight.w600,
  );

  static final TextStyle _successText = TextStyle(
    fontSize: 18,
    fontWeight: FontWeight.w600,
    color: Color(0xFF177126),
  );
}