import 'dart:convert';
import 'package:crypto/crypto.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import 'package:service/constant/box_name.dart';
import 'package:service/constant/links.dart';
import 'package:service/controller/functions/crud.dart';
import 'package:service/main.dart';
import 'package:service/print.dart';
import 'package:service/views/widgets/my_dialog.dart';

import 'pages/registration_captain_page.dart';

class RegisterCaptainServiceController extends GetxController {
  // --- UI State Management ---
  var isLoading = true.obs;
  late PageController pageController;
  var currentPageIndex = 0.obs;
  var driverId = ''.obs;
  var phone = ''.obs;
  var serverData = <String, dynamic>{}.obs;
// En tu archivo registration_captain_controller.dart
  final phoneController = TextEditingController();
  // --- Dynamic Document Image URLs ---
  final Map<String, RxString> docUrls = {
    'driver_license_front': ''.obs,
    'driver_license_back': ''.obs,
    'car_license_front': ''.obs,
    'car_license_back': ''.obs,
  };

  // --- Text Field Controllers ---
  late TextEditingController firstNameController;
  late TextEditingController lastNameController;
  late TextEditingController siteController;
  late TextEditingController nationalNumberController;
  late TextEditingController birthdateController;
  late TextEditingController licenseCategoriesController;
  late TextEditingController expiryDateController;
  late TextEditingController ownerController;
  late TextEditingController colorController;
  late TextEditingController carPlateController;
  late TextEditingController vinController;
  late TextEditingController licenseIssueDateController;
  late TextEditingController carLicenseExpiryDateController;
  late TextEditingController makeController;
  late TextEditingController modelController;
  late TextEditingController yearController;

  // --- Reactive State for Dropdowns ---
  var selectedGender = ''.obs;
  var colorHex = ''.obs;
  var selectedFuel = ''.obs;

  @override
  void onInit() {
    super.onInit();
    pageController = PageController();

    // final arguments = Get.arguments;
    // driverId.value = arguments?['driverId']; // Fallback for testing
    // phone.value = arguments?['phone']; // Fallback for testing

    _initializeTextControllers();
    _initializeDocUrls();
    fetchDataFromServer();
  }

  void _initializeDocUrls() {
    const baseUrl =
        "https://syria.intaleq.xyz/intaleq/auth/syria/driversDocs/syria.intaleq.xyz-";
    docUrls['driver_license_front']!.value =
        "$baseUrl${driverId.value}-driver_license_front.jpg";
    docUrls['driver_license_back']!.value =
        "$baseUrl${driverId.value}-driver_license_back.jpg";
    docUrls['car_license_front']!.value =
        "$baseUrl${driverId.value}-car_license_front.jpg";
    docUrls['car_license_back']!.value =
        "$baseUrl${driverId.value}-car_license_back.jpg";
  }

  void _initializeTextControllers() {
    firstNameController = TextEditingController();
    lastNameController = TextEditingController();
    siteController = TextEditingController();
    nationalNumberController = TextEditingController();
    birthdateController = TextEditingController();
    licenseCategoriesController = TextEditingController();
    expiryDateController = TextEditingController();
    ownerController = TextEditingController();
    colorController = TextEditingController();
    carPlateController = TextEditingController();
    vinController = TextEditingController();
    licenseIssueDateController = TextEditingController();
    carLicenseExpiryDateController = TextEditingController();
    makeController = TextEditingController();
    modelController = TextEditingController();
    yearController = TextEditingController();
  }

  Future<void> fetchDataFromServer() async {
    isLoading.value = true;
    try {
      var responseString = await CRUD().post(
          link: AppLink.getDriverDetailsForActivate,
          payload: {'driverId': driverId.value});

      if (responseString != 'failure') {
        var decodedResponse = jsonDecode(responseString);
        if (decodedResponse['status'] == 'success' &&
            (decodedResponse['message'] as List).isNotEmpty) {
          var rawData = decodedResponse['message'][0] as Map<String, dynamic>;
          // Sanitize data: ensure all values are strings to prevent type errors
          serverData.value = rawData
              .map((key, value) => MapEntry(key, value?.toString() ?? ''));
          _populateControllersWithServerData();
        }
      }
    } catch (e) {
      Get.snackbar('Error', 'An unexpected error occurred: $e');
    } finally {
      isLoading.value = false;
    }
  }

  void _populateControllersWithServerData() {
    firstNameController.text = serverData['first_name'] ?? '';
    lastNameController.text = serverData['last_name'] ?? '';
    siteController.text = serverData['site'] ?? '';
    nationalNumberController.text = serverData['national_number'] ?? '';
    birthdateController.text = serverData['birthdate'] ?? '';
    selectedGender.value = serverData['gender'] ?? '';
    licenseCategoriesController.text = serverData['license_categories'] ?? '';
    expiryDateController.text = serverData['expiry_date'] ?? '';
    ownerController.text = serverData['owner'] ?? '';

    final serverColorName = serverData['color'] ?? '';
    final colorOption = kCarColorOptions.firstWhere(
        (opt) => opt['key'] == serverColorName,
        orElse: () => {'key': serverColorName, 'hex': '#000000'}); // Fallback
    colorController.text = colorOption['key']!;
    colorHex.value = colorOption['hex']!;

    carPlateController.text = serverData['car_plate'] ?? '';
    vinController.text = serverData['vin'] ?? '';
    licenseIssueDateController.text = serverData['issue_date'] ?? '';
    carLicenseExpiryDateController.text = serverData['expiration_date'] ?? '';
    makeController.text = serverData['make'] ?? '';
    modelController.text = serverData['model'] ?? '';
    selectedFuel.value = serverData['fuel'] ?? '';
    yearController.text = serverData['year'] ?? '';
  }

  Future<void> selectDate(
      BuildContext context, TextEditingController controller) async {
    DateTime initialDate = DateTime.now();
    try {
      if (controller.text.isNotEmpty)
        initialDate = DateFormat('yyyy-MM-dd').parse(controller.text);
    } catch (e) {/* Use default if parsing fails */}

    DateTime? pickedDate = initialDate;
    await showCupertinoModalPopup<void>(
      context: context,
      builder: (BuildContext context) => Container(
        height: 280,
        color: CupertinoColors.systemBackground.resolveFrom(context),
        child: Column(
          children: [
            SizedBox(
              height: 200,
              child: CupertinoDatePicker(
                initialDateTime: initialDate,
                minimumDate: DateTime(1950),
                maximumDate: DateTime(2050),
                mode: CupertinoDatePickerMode.date,
                onDateTimeChanged: (DateTime newDate) {
                  pickedDate = newDate;
                },
              ),
            ),
            CupertinoButton(
              child: Text('Done'.tr),
              onPressed: () {
                if (pickedDate != null)
                  controller.text =
                      DateFormat('yyyy-MM-dd').format(pickedDate!);
                Navigator.of(context).pop();
              },
            ),
          ],
        ),
      ),
    );
  }

  void nextPage() {
    if (currentPageIndex.value < 3)
      pageController.nextPage(
          duration: const Duration(milliseconds: 400), curve: Curves.easeInOut);
  }

  void previousPage() {
    if (currentPageIndex.value > 0)
      pageController.previousPage(
          duration: const Duration(milliseconds: 400), curve: Curves.easeInOut);
  }

  void updateAndActivateSyrianDriver() {
    isLoading.value = true;
    var bytes = utf8.encode(phoneController.text);

// 2. Genera el hash MD5 completo
    var digest = md5.convert(bytes);

// 3. Convierte el hash a un string (tendrá 32 caracteres)
    String fullMd5Hash = digest.toString();

// 4. Trunca el string a los primeros 20 caracteres
    driverId.value = fullMd5Hash.substring(0, 20);
    Map<String, dynamic> dataToSend = {
      // Driver fields from all pages
      'id': driverId.value,
      'phone': phoneController.text,
      'first_name': firstNameController.text,
      'last_name': lastNameController.text,
      'site': siteController.text,
      'national_number': nationalNumberController.text,
      'gender': selectedGender.value,
      'birthdate': birthdateController.text,
      'license_categories': licenseCategoriesController.text,
      'expiry_date': expiryDateController.text,
      'license_issue_date': licenseIssueDateController.text,
      'password': md5.convert(utf8.encode('123456')).toString(),
      'status': 'actives',
      // Car fields from all pages
      'owner': ownerController.text,
      'color': colorController.text,
      'color_hex': colorHex.value,
      'car_plate': carPlateController.text,
      'maritalStatus': box.read(BoxName.employeename) ?? 'unknown',
      // 'vin': vinController.text,
      'expiration_date': carLicenseExpiryDateController.text,
      'make': makeController.text,
      'model': modelController.text,
      'fuel': selectedFuel.value,
      'year': yearController.text,
    };

    print("--- Submitting Data to Server ---");
    print(dataToSend);

    CRUD()
        .post(
            link:
                '${AppLink.server}/serviceapp/registerDriverAndCarService.php',
            payload: dataToSend)
        .then((response) {
      isLoading.value = false;
      var decodedResponse = (response);
      Log.print('decodedResponse: ${decodedResponse}');
      if (decodedResponse != 'failure') {
        MyDialog().getDialog('Success'.tr, '',
            Text('Driver has been activated successfully!'.tr), () {
          Get.back();
          Get.back();
          // fetchDataFromServer();
          Get.back();
          // Get.off(() => RegisterCaptain());
        });
      } else {
        Get.snackbar(
          'Error'.tr,
          'Failed to update driver: ${decodedResponse['message']}'.tr,
          backgroundColor: Colors.red,
          colorText: Colors.white,
        );
      }
    }).catchError((error) {
      isLoading.value = false;
      Get.snackbar(
        'Error'.tr,
        'An error occurred: $error'.tr,
        backgroundColor: Colors.red,
        colorText: Colors.white,
      );
    });
  }

  static const List<Map<String, String>> kCarColorOptions = [
    {'key': 'white', 'hex': '#FFFFFF'},
    {'key': 'black', 'hex': '#000000'},
    {'key': 'silver', 'hex': '#C0C0C0'},
    {'key': 'gray', 'hex': '#808080'},
    {'key': 'gunmetal', 'hex': '#2A3439'},
    {'key': 'red', 'hex': '#C62828'},
    {'key': 'blue', 'hex': '#1565C0'},
    {'key': 'navy', 'hex': '#0D47A1'},
    {'key': 'green', 'hex': '#2E7D32'},
    {'key': 'darkGreen', 'hex': '#1B5E20'},
    {'key': 'beige', 'hex': '#D7CCC8'},
    {'key': 'brown', 'hex': '#5D4037'},
    {'key': 'maroon', 'hex': '#800000'},
    {'key': 'burgundy', 'hex': '#800020'},
    {'key': 'yellow', 'hex': '#F9A825'},
    {'key': 'orange', 'hex': '#EF6C00'},
    {'key': 'gold', 'hex': '#D4AF37'},
    {'key': 'bronze', 'hex': '#CD7F32'},
    {'key': 'champagne', 'hex': '#EFE1C6'},
    {'key': 'purple', 'hex': '#6A1B9A'},
  ];

  static const List<String> kFuelOptions = [
    'بنزين',
    'ديزل',
    'هايبرد',
    'كهربائي'
  ];

  Color hexToColor(String code) =>
      Color(int.parse(code.substring(1, 7), radix: 16) + 0xFF000000);

  void updateColorSelection(String hex) {
    colorHex.value = hex;
    colorController.text =
        kCarColorOptions.firstWhere((o) => o['hex'] == hex)['key']!;
  }

  @override
  void onClose() {
    pageController.dispose();
    firstNameController.dispose();
    lastNameController.dispose();
    siteController.dispose();
    nationalNumberController.dispose();
    birthdateController.dispose();
    licenseCategoriesController.dispose();
    expiryDateController.dispose();
    ownerController.dispose();
    colorController.dispose();
    carPlateController.dispose();
    vinController.dispose();
    licenseIssueDateController.dispose();
    carLicenseExpiryDateController.dispose();
    makeController.dispose();
    modelController.dispose();
    yearController.dispose();
    super.onClose();
  }
}