import 'dart:convert';
import 'dart:developer';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:image_picker/image_picker.dart';
import 'package:onufitness/constants/api_endpoints.dart';
import 'package:onufitness/models/master_dropdowns/coach_types_dropdown_response_model.dart';
import 'package:onufitness/services/api_services/base_api_services.dart';
import 'package:onufitness/services/local_storage_services/shared_services.dart';
import 'package:onufitness/utils/custom_sneakbar.dart';

class BecomeACoachController extends GetxController {
  @override
  void onInit() async {
    super.onInit();
    fetchCoachTypes();
    certificateTypeController = TextEditingController();
    socialMediaController = TextEditingController();
    selectedExperienceCount = TextEditingController();
  }

  //...............................................................................................................

  var certificateFile = Rx<XFile?>(null);

  Future<void> pickCertificate() async {
    final result = await FilePicker.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: ['jpg', 'jpeg', 'png', 'pdf'],
    );

    if (result != null && result.files.single.path != null) {
      final file = result.files.single;
      final filePath = file.path!;
      final fileSize = file.size; // in bytes
      final fileExtension = file.extension?.toLowerCase();

      const maxFileSize = 5 * 1024 * 1024; // 5MB

      if (!['jpg', 'jpeg', 'png', 'pdf'].contains(fileExtension)) {
        customSnackbar(
          title: "Invalid File",
          message: "Only PDF, PNG, JPG, JPEG files are allowed.",
        );
        return;
      }

      if (fileSize > maxFileSize) {
        customSnackbar(
          title: "File Too Large",
          message:
              "File size too large. PDF, PNG, JPG, and JPEG files must be 5MB or smaller.",
        );
        return;
      }

      certificateFile.value = XFile(filePath);
    }
  }

  //............................................................................................................
  Rx<DateTime?> selectedDate = Rx<DateTime?>(null);

  void pickDate(BuildContext context) async {
    DateTime? pickedDate = await showDatePicker(
      context: context,
      initialDate: selectedDate.value ?? DateTime.now(),
      firstDate: DateTime(1900),
      lastDate: DateTime.now(),
    );

    if (pickedDate != null) {
      selectedDate.value = pickedDate;
    }
  }

  //............................................................................................................
  var isCoachTypesLoading = false.obs;
  var apiCoachTypeList = <CoachTypes>[].obs;
  var selectedCoachTypes = "".obs;
  RxList<String> localCoachTypesNameList = <String>[].obs;
  RxInt selectedCoachTypesId = 0.obs;
  Future<void> fetchCoachTypes() async {
    isCoachTypesLoading(true);
    try {
      var response = await ApiBase.getRequest(
        extendedURL: ApiUrl.fetchCoachTypes,
        sendHeaders: false,
      );

      if (response.statusCode == 200 || response.statusCode == 201) {
        var responseData = coachTypesResponseModelFromJson(response.body);
        if (responseData.isSuccess == true) {
          apiCoachTypeList.assignAll(responseData.data ?? []);

          localCoachTypesNameList.clear();

          for (var coach in responseData.data!) {
            localCoachTypesNameList.add(coach.typeName.toString());
          }
        } else {
          var responseData = coachTypesResponseModelFromJson(response.body);
          customSnackbar(
            title: "Error",
            message: responseData.message ?? "Failed to get Coach Types",
          );
        }
      } else {
        var responseData = coachTypesResponseModelFromJson(response.body);
        customSnackbar(
          title: "Error",
          message: responseData.message ?? "Failed to get Coach Types",
        );
      }
    } catch (e) {
      log("Exception: $e");
      customSnackbar(title: "Error", message: "Failed to get Coach Types");
    } finally {
      isCoachTypesLoading(false);
    }
  }

  //............................................................................................................
  TextEditingController certificateTypeController = TextEditingController();
  TextEditingController socialMediaController = TextEditingController();

  TextEditingController selectedExperienceCount = TextEditingController();
  RxBool isBecomeCoachLoading = false.obs;

  Future<bool> becomeCoach() async {
    isBecomeCoachLoading(true);
    bool ret = false;

    try {
      if (certificateFile.value == null) {
        customSnackbar(
          title: "Error",
          message: "Please select a certificate file.",
        );
        isBecomeCoachLoading(false);
        return false;
      }

      var response = await ApiBase.postMultipleFiles(
        extendedURL: ApiUrl.becomeACoach,
        body: {
          "UserID": SharedServices.getLoginDetails()?.data?.userId.toString(),
          "YearOfExperience": selectedExperienceCount.text,
          "CertificateType": certificateTypeController.text,
          "SocialMediaLinks": "",
          "CoachTypeID": selectedCoachTypesId.value,
        },

        files: [certificateFile.value!],
        fileNameKey: 'Certificates',
      );

      log(certificateFile.value!.path.toString());
      if (response.statusCode == 200 || response.statusCode == 201) {
        Future.delayed(Duration(milliseconds: 300), () {
          customSnackbar(
            title: "Success",
            message: "Coach registration successful.",
          );
        });

        certificateTypeController.clear();
        socialMediaController.clear();
        selectedCoachTypesId.value = 0;
        selectedExperienceCount.text = "";
        certificateFile.value = null;
        ret = true;
      } else {
        log("Error: ${response.body}");
        Map<String, dynamic> responseData = json.decode(response.body);
        String message = responseData['message'] ?? 'Unknown error occurred';
        Future.delayed(Duration(milliseconds: 300), () {
          customSnackbar(title: "Failed", message: message);
        });
      }
    } catch (e) {
      log("Exception: $e");
      customSnackbar(
        title: "Failure",
        message: "Unexpected error occurred. Please try again later.",
      );
    }

    isBecomeCoachLoading(false);
    return ret;
  }

  // Upload Profile Picture.................................................................................

  var profileImage = Rx<XFile?>(null);
  final ImagePicker _picker = ImagePicker();
  Future<void> pickImage() async {
    final XFile? result = await _picker.pickImage(source: ImageSource.gallery);

    if (result != null) {
      final fileBytes = await result.readAsBytes();
      final fileSize = fileBytes.length;
      const maxFileSize = 5 * 1024 * 1024; // 5MB

      if (fileSize > maxFileSize) {
        customSnackbar(
          title: "File Too Large",
          message:
              "Profile image must be 5MB or smaller. Please select a smaller file.",
        );
        return;
      }

      profileImage.value = result;
      update();
      await uploadProfilePicture();
    }
  }

  //.........................................................................................................
  var isUploadingImage = false.obs;

  Future<void> uploadProfilePicture() async {
    if (profileImage.value == null) {
      log("No image selected");
      customSnackbar(title: "Error", message: "No image selected");
      return;
    }

    isUploadingImage(true);
    try {
      var userId = SharedServices.getUserDetails()?.data?.userId.toString();
      var response = await ApiBase.postSingleFileRequest(
        extendedURL: "${ApiUrl.uploadProfileImage}/$userId",
        sendHeaders: false,
        file: profileImage.value!,
        fileNameKey: 'file',
      );

      log(response.statusCode.toString());
      log(response.body.toString());
      if (response.statusCode == 200 || response.statusCode == 201) {
        log("Image uploaded successfully");
        customSnackbar(
          title: "Success",
          message: "Image uploaded successfully",
          duration: 1,
        );
      } else {
        customSnackbar(
          title: "Error",
          message: jsonDecode(response.body)["message"],
        );
      }
    } catch (e) {
      log("Error uploading image: \$e");
      customSnackbar(title: "Error", message: "Failed to upload image");
    } finally {
      isUploadingImage(false);
    }
  }
}