import 'dart:convert';

import 'package:dropdown_search/dropdown_search.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;

import '../../config/apiUrl.dart';
import '../../services/apiService.dart';
import '../../utils/auth_utils.dart';
import '../../widgets/custom_text_forex.dart';
import 'hotels_list.dart';

class HotelsData extends StatefulWidget {
  final Future<List<dynamic>> Function() fetchGetHotels;
  final bool isDesktop;
  final Color? layoutColor;

  final int? hotelsId; // <-- Add this
  final Map<String, dynamic>? hotelsData;

  const HotelsData({
    super.key,
    required this.isDesktop,
    this.layoutColor,
    required this.fetchGetHotels,
    this.hotelsId,
    this.hotelsData,
  });

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

class HotelsDataState extends State<HotelsData> {
  final ApiService apiService = ApiService();
  Map<String, String> countryMap = {};
  late List<dynamic>? apiCountryData;
  late List<dynamic>? apiAirlineCountryData;
  Map<String, dynamic>? apiData;
  final Map<String, TextEditingController> controllers = {};
  Map<String, String> errorMessages = {};
  Map<String, FocusNode> focusNodes = {};
  Map<String, bool> focusStates = {};

  List<dynamic> countryList = [];
  String? selectedCountry;
  String? selectedCountryName;
  String? selectedCity;
  String? selectedDuration;
  String? selectedPerdiemAmount;
  String? userId;
  int? hotelsDataId;
  late String isActive = "1";
  bool isDisable = false;

  List<String> dataHeader = [
    "hotel_name",
    "hotel_chain",
    "category",
    "country_code",
    "city",
  ];

  Map<String, dynamic> hotels_Details() {
    final data = {
      "hotel_name": controllers["hotel_name"]?.text,
      "hotel_chain": controllers["hotel_chain"]?.text,
      "category": controllers["category"]?.text,
      "country_code": selectedCountry,
      "country_name": selectedCountryName,
      "city": controllers["city"]?.text,
      "created_by": userId,
      "is_active": isActive,
    };
    return data;
  }

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

    apiCountryData = null;
    apiData = null;
    for (var field in dataHeader) {
      controllers[field] = TextEditingController();
      focusNodes["${field}FocusNode"] = FocusNode();
      focusStates["${field}Focused"] = false;
    }
    for (var key in focusNodes.keys) {
      _addFocusListener(focusNodes[key]!, (focus) {
        setState(() {
          focusStates[key.replaceFirst("FocusNode", "Focused")] = focus;
        });
      });
    }
    fetchCountries();
    if (widget.hotelsId != null) {
      print('Editing Hotles ID: ${widget.hotelsId}');
      updateHotelsDetails();
    }
    _clearError();
  }

  void _clearError() {
    setState(() {
      errorMessages.clear();
    });
  }

  @override
  void dispose() {
    for (var controller in controllers.values) {
      controller.dispose();
    }
    for (var node in focusNodes.values) {
      node.dispose();
    }
    super.dispose();
  }
  void _addFocusListener(FocusNode node, Function(bool) updateState) {
    node.addListener(() {
      setState(() {
        updateState(node.hasFocus);
      });
    });
  }

  void updateHotelsDetails() {
    print("Update - ${widget.hotelsData}");

    final data = widget.hotelsData;

    if (data == null) return;
    setState(() {
      selectedCountry = data['country_code']; // For dropdown
      selectedCountryName =
          data['country_name']; // For dropdown label or display
      controllers['city']?.text = data['city'] ?? '';
      controllers['hotel_chain']?.text = data['hotel_chain'] ?? '';
      controllers['category']?.text = data['category'] ?? '';
      controllers['hotel_name']?.text = data['hotel_name'] ?? '';
      isActive = data["is_active"];
      final hotelsId = int.tryParse(data['hotel_id'].toString());
      hotelsDataId = hotelsId;
    });
  }

  Future<void> fetchCountries() async {
    try {
      List<dynamic> countries = await apiService.fetchCountryList();
      setState(() {
        apiCountryData = countries;
      });
    } catch (e) {
      print('Error fetching country list: $e');
    }
  }

  void toggleStatus() {
    setState(() {
      isActive = isActive == "1" ? "0" : "1";
    });
  }

  bool validateData() {
    errorMessages.clear();

    final data = {
      "hotel_name": controllers["hotel_name"]?.text,
      "hotel_chain": controllers["hotel_chain"]?.text,
      "category": controllers["category"]?.text,
      "country_code": selectedCountry,
      "country": selectedCountryName,
      "city": controllers["city"]?.text,
    };

    final requiredFields = [
      "hotel_name",
      "hotel_chain",
      "country_code",
      "city",
    ];

    // Check validation for each field
    for (String field in requiredFields) {
      if (data[field] == null || data[field].toString().trim().isEmpty) {
        errorMessages[field] = "Required";
      }
    }
    return errorMessages.isEmpty;
  }

  Future<void> handleSubmit() async {
    userId = await getUserId();

    setState(() {
      isDisable = true;
      // This triggers UI rebuild with error messages
      if (validateData()) {
        postHotelsData();
      }else{
        isDisable = false;
      }
    });

    final hotelsData1 = hotels_Details();
    print("submit data  - $hotelsData1");
  }

  Future<void> postHotelsData({int isActive = 1}) async {
    final hotelsData = hotels_Details();

    final String apiUrldata;
    if (hotelsDataId != null) {
      print("for edit hotel id - $hotelsDataId");

      apiUrldata = '$apiUrl/api/updateHotels/$hotelsDataId';
      hotelsData["hotel_id"] = hotelsDataId.toString();
      hotelsData["updated_by"] = userId;
      (hotelsData.containsKey("created_by"))
          ? hotelsData.remove("created_by")
          : '';
      (hotelsData.containsKey("country_name"))
          ? hotelsData.remove("country_name")
          : '';
    } else {
      print("for add Hotel id - null");
      apiUrldata = '$apiUrl/api/createHotels';
      print("called apiUrl - $apiUrldata");
      hotelsData["created_by"] = userId;
      (hotelsData.containsKey("country_name"))
          ? hotelsData.remove("country_name")
          : '';
    }

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

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

    try {
      final uri = Uri.parse(apiUrldata);
      final headers = {
        'Authorization': 'Bearer $token',
        'Content-Type': 'application/json',
      };
      final body = jsonEncode(hotelsData);

      final response =
          hotelsDataId != null
              ? await http.put(uri, headers: headers, body: body)
              : await http.post(uri, headers: headers, body: body);
      if (response.statusCode == 200 || response.statusCode == 201) {
        print("Hotels Details Created successfully!");
        print("Response: ${response.body}");
        _clearError();
        await widget.fetchGetHotels();

        if (context.mounted) {
          Navigator.of(context).pop(); // Close modal only if mounted
        }
        setState(() {
          isDisable = false;
        });
        // Do NOT re-enable here if success
      } else if (response.statusCode == 404) {
        if (context.mounted) {
          Navigator.of(context).pop();
        }
        final message = jsonDecode(response.body)['message'] ?? 'Unknown error';
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(message),
            backgroundColor: Colors.redAccent,
            behavior: SnackBarBehavior.floating,
          ),
        );
        setState(() {
          isDisable = false;
        });

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

        setState(() {
          isDisable = false;
        });
      }
    }
    catch (e) {
      print("Error submitting plan: $e");
      setState(() {
        isDisable = false;
      });
    }

  }

  @override
  Widget build(BuildContext context) {
    late Map<String, String> countryMap; // Mapping country_code -> country_name
    late List<String> countryCodes; // List of country codes

    // countryList = [];
    countryList = apiCountryData ?? [];

    // Map country codes to country names
    // countryMap = {
    //   for (var item in countryList)
    //     item['country_code'] as String: item['country_name'] as String,
    // };

    countryMap = {
      for (var country in countryList)
        (country['country_code'] ?? ''):
        '${country['country_name'] ?? ''} (${country['country_code'] ?? ''})',
    };

    // Extract only country codes for processing
    countryCodes = countryMap.keys.toList();

    selectedCountry ??= null;

    return AlertDialog(
      backgroundColor: Colors.white,
      contentPadding: const EdgeInsets.fromLTRB(34, 30, 34, 30),
      // contentPadding: const EdgeInsets.fromLTRB(24, 20, 24, 10),
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
      content: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          // Row 1: Title + Edit + Delete buttons
          Row(
            children: [
              Text(
                (hotelsDataId != null) ? 'Edit Hotels' : 'Create Hotels',
                style: GoogleFonts.poppins(fontSize: 15, color: Colors.black),
              ),
              const Spacer(),
            ],
          ),
          const SizedBox(height: 2),
          Divider(thickness: 0.2, color: Colors.blueGrey.shade100),
          const SizedBox(height: 10),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                "Hotel Name *",
                style: GoogleFonts.poppins(
                  fontSize: 12,
                  fontWeight: FontWeight.w600,
                  color: Color(0xFF575A74),
                ),
              ),
              SizedBox(height: 5),
              CustomTextFieldForexWrapper(
                // isFocused: false,
                isFocused: focusStates["hotel_nameFocused"] ?? false,
                isDesktop: widget.isDesktop,
                color: Colors.transparent,
                child: SizedBox(
                  height: 40,
                  child: TextField(
                    focusNode: focusNodes["hotel_nameFocusNode"],
                    controller: controllers["hotel_name"],
                    style: const TextStyle(fontSize: 12),
                    decoration: const InputDecoration(
                      labelText: "Hotel Name",
                      labelStyle: TextStyle(fontSize: 11, color: Colors.grey),
                      floatingLabelBehavior: FloatingLabelBehavior.never,
                      border: InputBorder.none,
                      contentPadding: EdgeInsets.symmetric(vertical: 16),
                    ),
                  ),
                ),
              ),
              if (errorMessages["hotel_name"] != null) ...[
                SizedBox(height: 5), // Space before error message
                Text(
                  errorMessages["hotel_name"]!,
                  style: TextStyle(color: Colors.red, fontSize: 12),
                ),
              ],
            ],
          ),
          const SizedBox(height: 5),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                "Hotel Chain *",
                style: GoogleFonts.poppins(
                  fontSize: 12,
                  fontWeight: FontWeight.w600,
                  color: Color(0xFF575A74),
                ),
              ),
              SizedBox(height: 5),
              CustomTextFieldForexWrapper(
                isFocused: focusStates["hotel_chainFocused"] ?? false,
                isDesktop: widget.isDesktop,
                color: Colors.transparent,
                child: SizedBox(
                  height: 40,
                  child: TextField(
                    focusNode: focusNodes["hotel_chainFocusNode"],
                    controller: controllers["hotel_chain"],
                    style: const TextStyle(fontSize: 12),
                    decoration: const InputDecoration(
                      labelText: "Hotel Chain",
                      labelStyle: TextStyle(fontSize: 11, color: Colors.grey),
                      floatingLabelBehavior: FloatingLabelBehavior.never,
                      border: InputBorder.none,
                      contentPadding: EdgeInsets.symmetric(vertical: 16),
                    ),
                  ),
                ),
              ),
              if (errorMessages["hotel_chain"] != null) ...[
                SizedBox(height: 5), // Space before error message
                Text(
                  errorMessages["hotel_chain"]!,
                  style: TextStyle(color: Colors.red, fontSize: 12),
                ),
              ],
            ],
          ),
          const SizedBox(height: 5),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                "Category",
                style: GoogleFonts.poppins(
                  fontSize: 12,
                  fontWeight: FontWeight.w600,
                  color: Color(0xFF575A74),
                ),
              ),
              SizedBox(height: 5),
              CustomTextFieldForexWrapper(
                // isFocused: false,
                isFocused: focusStates["categoryFocused"] ?? false,
                isDesktop: widget.isDesktop,
                color: Colors.transparent,
                child: SizedBox(
                  height: 40,
                  child: TextField(
                    focusNode: focusNodes["categoryFocusNode"],
                    controller: controllers["category"],
                    inputFormatters: [
                      FilteringTextInputFormatter.allow(RegExp(r'[a-zA-Z0-9 ]')),
                    ],
                    style: const TextStyle(fontSize: 12),
                    decoration: const InputDecoration(
                      labelText: "Category",
                      labelStyle: TextStyle(fontSize: 11, color: Colors.grey),
                      floatingLabelBehavior: FloatingLabelBehavior.never,
                      border: InputBorder.none,
                      contentPadding: EdgeInsets.symmetric(vertical: 16),
                    ),
                  ),
                ),
              ),
            ],
          ),
          const SizedBox(height: 10),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                "Country *",
                style: GoogleFonts.poppins(
                  fontSize: 12,
                  fontWeight: FontWeight.w600,
                  color: Color(0xFF575A74),
                ),
              ),
              SizedBox(height: 5),
              CustomTextFieldForexWrapper(
                isFocused: false,
                padding: const EdgeInsets.symmetric(horizontal: 0),
                isDesktop: widget.isDesktop,
                child: SizedBox(
                  height: 40,
                    width: double.infinity,
                    child: Focus(
                      focusNode: focusNodes["country_codeFocusNode"],
                      onFocusChange: (hasFocus) {
                        setState(() {
                          focusStates["country_codeFocused"] = hasFocus;
                        });
                      },
                      child: GestureDetector(
                        onTap: () {
                          // Request focus when user taps
                          focusNodes["country_codeFocusNode"]?.requestFocus();
                        },
                        child: DropdownSearch<String>(
                            selectedItem: countryMap[selectedCountry],
                            popupProps: PopupProps.menu(
                              showSearchBox: true, // Enables search functionality
                              menuProps: const MenuProps(backgroundColor: Colors.white),
                              constraints: BoxConstraints(maxHeight: 200),
                              itemBuilder:
                                  (context, item, isSelected) {
                                print("contryItem - $item");
                                final match = RegExp(r'^(.*)\s\((.*)\)$',).firstMatch(item);
                                final countryName = match?.group(1) ?? '';
                                final countryCode = match?.group(2) ?? '';
                                return Padding(
                                  padding: const EdgeInsets.symmetric(
                                    horizontal: 8.0,
                                    vertical: 0.02,
                                  ),
                                  child: Padding(
                                    padding: const EdgeInsets.all(8.0),
                                    child: Row(
                                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                      children: [
                                        Text(
                                          countryName,
                                          style: GoogleFonts.poppins(fontSize: 11.5),
                                        ),
                                        Text(
                                          countryCode,
                                          style: GoogleFonts.poppins(fontSize: 11.5,color:Colors.grey),

                                        ),
                                      ],
                                    ),
                                  ),
                                );},
                              searchFieldProps: TextFieldProps(
                                decoration: InputDecoration(
                                  hintText: "Search ...",
                                  hintStyle: GoogleFonts.poppins(fontSize: 11),
                                  contentPadding: EdgeInsets.symmetric(horizontal: 1,vertical: 1),
                                ),
                              ),
                            ),
                            items: countryMap.values.toList(),
                            dropdownDecoratorProps: DropDownDecoratorProps(
                              dropdownSearchDecoration: InputDecoration(
                                // border: InputBorder.none,
                                border: OutlineInputBorder(
                                  borderRadius: BorderRadius.circular(8),
                                  borderSide: BorderSide(
                                    color:
                                    (focusStates["country_codeFocused"] ?? false)
                                        ? widget.layoutColor!
                                        : Colors.white,
                                    // width: 0.5,
                                  ),
                                ),
                                enabledBorder: OutlineInputBorder(
                                  borderSide: BorderSide(
                                    color:
                                    (focusStates["country_codeFocused"] ?? false)
                                        ? widget.layoutColor!
                                        : Colors.white,
                                        // : const Color(0xFFD6D5E6),
                                    // width: 0.5,
                                    // const Color(0xFFD6D5E6),
                                  ),
                                ),
                                focusedBorder: OutlineInputBorder(
                                  borderSide: BorderSide(color: widget.layoutColor!, width: 1),
                                ),
                                contentPadding: EdgeInsets.symmetric(horizontal: 10.0,
                                  vertical: 8.0,),
                              ),
                            ),
                            dropdownBuilder:
                                (context, selectedItem) => Align(
                                  // Center-align selected item
                                  alignment: Alignment.centerLeft,
                                  child: Text(
                                    selectedItem ?? "Select ",
                                    style: GoogleFonts.poppins(fontSize: 11),
                                  ),
                                ),
                            onChanged: (String? newValue) {
                              setState(() {
                                // Find the country_code based on selected country_name
                                selectedCountry =
                                    countryMap.entries
                                        .firstWhere((entry) => entry.value == newValue)
                                        .key;
                                final match = RegExp(r'^(.*)\s\((.*)\)$').firstMatch(newValue!);
                                final countryName = match?.group(1) ?? newValue; // --> "Ascension Islands"
                                // final countryCode = match?.group(2) ?? "";
                                selectedCountryName = countryName;
                              });
                            },
                          ),
                      )
                    )
                ),
              ),
              if (errorMessages["country_code"] != null) ...[
                SizedBox(height: 5), // Space before error message
                Text(
                  errorMessages["country_code"]!,
                  style: TextStyle(color: Colors.red, fontSize: 12),
                ),
              ],
            ],
          ),
          const SizedBox(height: 10),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                "City *",
                style: GoogleFonts.poppins(
                  fontSize: 12,
                  fontWeight: FontWeight.w600,
                  color: Color(0xFF575A74),
                ),
              ),
              SizedBox(height: 5),
              CustomTextFieldForexWrapper(
                isFocused: focusStates["cityFocused"] ?? false,
                isDesktop: widget.isDesktop,
                color: Colors.transparent,
                child: SizedBox(
                  height: 40,
                  child: TextField(
                    focusNode: focusNodes["cityFocusNode"],
                    controller: controllers["city"],
                    style: const TextStyle(fontSize: 12),
                    decoration: const InputDecoration(
                      labelText: "City",
                      labelStyle: TextStyle(fontSize: 11, color: Colors.grey),
                      floatingLabelBehavior: FloatingLabelBehavior.never,
                      border: InputBorder.none,
                      contentPadding: EdgeInsets.symmetric(vertical: 16),
                    ),
                  ),
                ),
              ),
              if (errorMessages["city"] != null) ...[
                SizedBox(height: 5), // Space before error message
                Text(
                  errorMessages["city"]!,
                  style: TextStyle(color: Colors.red, fontSize: 12),
                ),
              ],
            ],
          ),
          SizedBox(height: 10),
          // if (isDesktop)SizedBox(width: 8,) else SizedBox(height: 8,),
          if (hotelsDataId != null)
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  "Change Status  ",
                  style: GoogleFonts.poppins(
                    fontSize: 12,
                    fontWeight: FontWeight.w600,
                    color: Color(0xFF575A74),
                  ),
                ),
                Tooltip(
                  message:
                      isActive == "1" ? "Tap to deactivate" : "Tap to activate",
                  child: GestureDetector(
                    onTap: toggleStatus,
                    child: Text(
                      isActive == "1" ? "Active" : "Inactive",
                      style: TextStyle(
                        fontSize: 13,
                        fontFamily: "Inter",
                        color: isActive == "1" ? Colors.green : Colors.red,
                      ),
                    ),
                  ),
                ),
              ],
            ),
          if (hotelsDataId != null) SizedBox(height: 15),
          Row(
            mainAxisAlignment: MainAxisAlignment.end,
            children: [
              // SizedBox(
              //   child: ElevatedButton(
              //     onPressed: () {
              //       // You can get text from commentController.text
              //       Navigator.of(context).pop(); // Close the modal
              //     },
              //     style: ElevatedButton.styleFrom(
              //       backgroundColor: widget.layoutColor,
              //       shape: RoundedRectangleBorder(
              //         borderRadius: BorderRadius.circular(8),
              //       ),
              //     ),
              //     child: Text('Cancel',
              //         style: GoogleFonts.poppins(
              //             fontSize: 13, color: Colors.white)),
              //   ),
              // ),
              // SizedBox(
              //   width: 10,
              // ),
              SizedBox(
                child: ElevatedButton(
                  onPressed: isDisable
                      ? null
                      : () async {
                    setState(() {
                      isDisable = true;
                    });

                    await handleSubmit();
                    // You can get text from commentController.text
                    // Navigator.of(context).pop(); // Close the modal

                    // Optional: re-enable only on error
                    // setState(() {
                    //   isDisable = false;
                    // });
                  },
                  style: ElevatedButton.styleFrom(
                    backgroundColor: widget.layoutColor,
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(8),
                    ),
                  ),
                  child: Text(
                    'Save',
                    style: GoogleFonts.poppins(
                      fontSize: 11,
                      color: Colors.white,
                    ),
                  ),
                ),
              ),
            ],
          ),
          // : SizedBox.shrink(),
        ],
      ),
    );
  }
}