import 'dart:convert';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:patient_manager/components/mihAppBar.dart';
import 'package:patient_manager/components/mihLoadingCircle.dart';
import 'package:patient_manager/components/inputsAndButtons/mihDropdownInput.dart';
import 'package:patient_manager/components/popUpMessages/mihErrorMessage.dart';
import 'package:patient_manager/components/inputsAndButtons/mihFileInput.dart';
import 'package:patient_manager/components/popUpMessages/mihSuccessMessage.dart';
import 'package:patient_manager/components/inputsAndButtons/mihTextInput.dart';
import 'package:patient_manager/components/inputsAndButtons/mihButton.dart';
import 'package:patient_manager/env/env.dart';
import 'package:patient_manager/main.dart';
import 'package:patient_manager/objects/arguments.dart';
import 'package:supertokens_flutter/http.dart' as http;
import 'package:supertokens_flutter/supertokens.dart';
import 'package:http/http.dart' as http2;

class ProfileBusinessUpdate extends StatefulWidget {
  final BusinessArguments arguments;
  //final AppUser signedInUser;
  const ProfileBusinessUpdate({
    super.key,
    required this.arguments,
  });

  @override
  State<ProfileBusinessUpdate> createState() => _ProfileBusinessUpdateState();
}

class BusinessUserScreenArguments {}

class _ProfileBusinessUpdateState extends State<ProfileBusinessUpdate> {
  final FocusNode _focusNode = FocusNode();
  final baseAPI = AppEnviroment.baseApiUrl;

  final nameController = TextEditingController();
  final typeController = TextEditingController();
  final regController = TextEditingController();
  final logonameController = TextEditingController();
  final fnameController = TextEditingController();
  final lnameController = TextEditingController();
  final titleController = TextEditingController();
  final signtureController = TextEditingController();
  final accessController = TextEditingController();
  final contactController = TextEditingController();
  final emailController = TextEditingController();

  late PlatformFile? selectedLogo = null;
  late PlatformFile? selectedSignature = null;

  // late Future<BusinessUser?> futureBusinessUser;
  // BusinessUser? businessUser;
  // late Future<Business?> futureBusiness;
  // Business? business;

  late String business_id;
  late String oldLogoPath;
  late String oldSigPath;

  Future<void> deleteFileApiCall(String filePath) async {
    // delete file from minio
    var response = await http.delete(
      Uri.parse("$baseAPI/minio/delete/file/"),
      headers: <String, String>{
        "Content-Type": "application/json; charset=UTF-8"
      },
      body: jsonEncode(<String, dynamic>{"file_path": filePath}),
    );
    //print("Here4");
    //print(response.statusCode);
    if (response.statusCode == 200) {
      //SQL delete
    } else {
      internetConnectionPopUp();
    }
  }

  // Future<BusinessUser?> getBusinessUserDetails() async {
  //   var response = await http
  //       .get(Uri.parse("$baseAPI/business-user/${widget.signedInUser.app_id}"));
  //   if (response.statusCode == 200) {
  //     String body = response.body;
  //     var decodedData = jsonDecode(body);
  //     BusinessUser business_User = BusinessUser.fromJson(decodedData);
  //     return business_User;
  //   } else {
  //     return null;
  //   }
  // }

  // Future<Business?> getBusinessDetails() async {
  //   var response = await http.get(
  //       Uri.parse("$baseAPI/business/app_id/${widget.signedInUser.app_id}"));
  //   if (response.statusCode == 200) {
  //     String body = response.body;
  //     var decodedData = jsonDecode(body);
  //     Business business = Business.fromJson(decodedData);
  //     return business;
  //   } else {
  //     return null;
  //   }
  // }

  Future<void> uploadSelectedFile(
      PlatformFile? file, TextEditingController controller) async {
    //to-do delete file when changed

    var token = await SuperTokens.getAccessToken();
    //print(t);
    //print("here1");
    var request = http2.MultipartRequest(
        'POST', Uri.parse("${AppEnviroment.baseApiUrl}/minio/upload/file/"));
    request.headers['accept'] = 'application/json';
    request.headers['Authorization'] = 'Bearer $token';
    request.headers['Content-Type'] = 'multipart/form-data';
    request.fields['app_id'] = widget.arguments.signedInUser.app_id;
    request.fields['folder'] = "business_files";
    request.files.add(await http2.MultipartFile.fromBytes('file', file!.bytes!,
        filename: file.name.replaceAll(RegExp(r' '), '-')));
    var response1 = await request.send();
    if (response1.statusCode == 200) {
    } else {
      internetConnectionPopUp();
    }
  }

  Future<void> updateBusinessUserAPICall(String business_id) async {
    var response = await http.put(
      Uri.parse("$baseAPI/business-user/update/"),
      headers: <String, String>{
        "Content-Type": "application/json; charset=UTF-8"
      },
      body: jsonEncode(<String, dynamic>{
        "business_id": business_id,
        "app_id": widget.arguments.signedInUser.app_id,
        "signature": signtureController.text,
        "sig_path":
            "${widget.arguments.signedInUser.app_id}/business_files/${signtureController.text}",
        "title": titleController.text,
        "access": accessController.text,
      }),
    );
    if (response.statusCode == 200) {
      if (selectedSignature != null) {
        uploadSelectedFile(selectedSignature, signtureController);
        deleteFileApiCall(oldSigPath);
      }

      Navigator.of(context).pushNamed('/home');
      String message =
          "Your business profile is now live! You can now start connecting with customers and growing your business.";
      successPopUp(message);
    } else {
      internetConnectionPopUp();
    }
  }

  Future<void> updateBusinessProfileAPICall(String business_id) async {
    showDialog(
      context: context,
      builder: (context) {
        return const Mihloadingcircle();
      },
    );

    var response = await http.put(
      Uri.parse("$baseAPI/business/update/"),
      headers: <String, String>{
        "Content-Type": "application/json; charset=UTF-8"
      },
      body: jsonEncode(<String, dynamic>{
        "business_id": business_id,
        "Name": nameController.text,
        "type": typeController.text,
        "registration_no": regController.text,
        "logo_name": logonameController.text,
        "logo_path":
            "${widget.arguments.signedInUser.app_id}/business_files/${logonameController.text}",
        "contact_no": contactController.text,
        "bus_email": emailController.text,
      }),
    );
    if (response.statusCode == 200) {
      //var businessResponse = jsonDecode(response.body);
      //print(selectedLogo != null);
      if (selectedLogo != null) {
        uploadSelectedFile(selectedLogo, logonameController);
        deleteFileApiCall(oldLogoPath);
      }
      updateBusinessUserAPICall(business_id);
    } else {
      internetConnectionPopUp();
    }
  }

  void internetConnectionPopUp() {
    showDialog(
      context: context,
      builder: (context) {
        return const MIHErrorMessage(errorType: "Internet Connection");
      },
    );
  }

  void successPopUp(String message) {
    showDialog(
      context: context,
      builder: (context) {
        return MIHSuccessMessage(
          successType: "Success",
          successMessage: message,
        );
      },
    );
  }

  bool isFieldsFilled() {
    if (nameController.text.isEmpty ||
        typeController.text.isEmpty ||
        regController.text.isEmpty ||
        logonameController.text.isEmpty ||
        fnameController.text.isEmpty ||
        lnameController.text.isEmpty ||
        titleController.text.isEmpty ||
        signtureController.text.isEmpty ||
        accessController.text.isEmpty ||
        contactController.text.isEmpty ||
        emailController.text.isEmpty) {
      return false;
    } else {
      return true;
    }
  }

  void submitForm(String business_id) {
    if (!validEmail()) {
      emailError();
    } else if (isFieldsFilled()) {
      updateBusinessProfileAPICall(business_id);
    } else {
      showDialog(
        context: context,
        builder: (context) {
          return const MIHErrorMessage(errorType: "Input Error");
        },
      );
    }
  }

  void emailError() {
    showDialog(
      context: context,
      builder: (context) {
        return const MIHErrorMessage(errorType: "Invalid Email");
      },
    );
  }

  bool validEmail() {
    String text = emailController.text;
    var regex = RegExp(r'^[a-zA-Z0-9]+@[a-zA-Z.-]+\.[a-zA-Z]{2,}$');
    return regex.hasMatch(text);
  }

  @override
  void initState() {
    setState(() {
      //businessUser = results;
      titleController.text = widget.arguments.businessUser!.title;
      fnameController.text = widget.arguments.signedInUser.fname;
      lnameController.text = widget.arguments.signedInUser.lname;
      signtureController.text = widget.arguments.businessUser!.signature;
      titleController.text = widget.arguments.businessUser!.title;
      accessController.text = widget.arguments.businessUser!.access;

      oldSigPath = widget.arguments.businessUser!.sig_path;

      //business = results;
      business_id = widget.arguments.business!.business_id;
      regController.text = widget.arguments.business!.registration_no;
      nameController.text = widget.arguments.business!.Name;
      typeController.text = widget.arguments.business!.type;
      logonameController.text = widget.arguments.business!.logo_name;
      oldLogoPath = widget.arguments.business!.logo_path;
      contactController.text = widget.arguments.business!.contact_no;
      emailController.text = widget.arguments.business!.bus_email;
    });

    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: const MIHAppBar(barTitle: "Business Profile"),
      body: KeyboardListener(
        focusNode: _focusNode,
        autofocus: true,
        onKeyEvent: (event) async {
          if (event is KeyDownEvent &&
              event.logicalKey == LogicalKeyboardKey.enter) {
            //print(business_id);
            submitForm(business_id);
          }
        },
        child: SingleChildScrollView(
          padding: EdgeInsets.all(25),
          child: Column(
            children: [
              Column(
                children: [
                  const Text(
                    "Update Business Profile:",
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 25,
                    ),
                  ),
                  const SizedBox(height: 15.0),
                  MIHTextField(
                    controller: regController,
                    hintText: "Registration No.",
                    editable: true,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHTextField(
                    controller: nameController,
                    hintText: "Business Name",
                    editable: true,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHDropdownField(
                    controller: typeController,
                    hintText: "Business Type",
                    dropdownOptions: const ["Doctors Office", "Other"],
                    required: true,
                    editable: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHTextField(
                    controller: contactController,
                    hintText: "Contact Number",
                    editable: true,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHTextField(
                    controller: emailController,
                    hintText: "Email",
                    editable: true,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHFileField(
                    controller: logonameController,
                    hintText: "Logo",
                    editable: false,
                    required: true,
                    onPressed: () async {
                      FilePickerResult? result =
                          await FilePicker.platform.pickFiles(
                        type: FileType.custom,
                        allowedExtensions: ['jpg', 'png', 'pdf'],
                      );
                      if (result == null) return;
                      final selectedFile = result.files.first;
                      setState(() {
                        selectedLogo = selectedFile;
                      });
                      setState(() {
                        logonameController.text = selectedFile.name;
                      });
                    },
                  ),
                  const SizedBox(height: 15.0),
                  Divider(
                    color:
                        MzanziInnovationHub.of(context)?.theme.secondaryColor(),
                  ),
                ],
              ),
              Column(
                children: [
                  const SizedBox(height: 15.0),
                  const Text(
                    "My Business User:",
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 25,
                    ),
                  ),
                  const SizedBox(height: 15.0),
                  MIHDropdownField(
                    controller: titleController,
                    hintText: "Title",
                    dropdownOptions: const ["Doctor", "Assistant"],
                    required: true,
                    editable: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHTextField(
                    controller: fnameController,
                    hintText: "Name",
                    editable: false,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHTextField(
                    controller: lnameController,
                    hintText: "Surname",
                    editable: false,
                    required: true,
                  ),
                  const SizedBox(height: 10.0),
                  MIHFileField(
                    controller: signtureController,
                    hintText: "Signature",
                    editable: false,
                    required: true,
                    onPressed: () async {
                      FilePickerResult? result =
                          await FilePicker.platform.pickFiles(
                        type: FileType.custom,
                        allowedExtensions: ['jpg', 'png', 'pdf'],
                      );
                      if (result == null) return;
                      final selectedFile = result.files.first;
                      setState(() {
                        selectedSignature = selectedFile;
                      });
                      setState(() {
                        signtureController.text = selectedFile.name;
                      });
                    },
                  ),
                  const SizedBox(height: 15.0),
                  MIHDropdownField(
                    controller: accessController,
                    hintText: "Access",
                    dropdownOptions: const ["Full", "Partial"],
                    required: true,
                    editable: false,
                  ),
                  const SizedBox(height: 30.0),
                  SizedBox(
                    width: 500.0,
                    height: 50.0,
                    child: MIHButton(
                      buttonText: "Add",
                      buttonColor: MzanziInnovationHub.of(context)!
                          .theme
                          .secondaryColor(),
                      textColor:
                          MzanziInnovationHub.of(context)!.theme.primaryColor(),
                      onTap: () {
                        //print(business_id);
                        submitForm(business_id);
                      },
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}