import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import '../../main.dart';
import 'package:supertokens_flutter/http.dart' as http;
import 'package:supertokens_flutter/supertokens.dart';
import 'package:file_picker/file_picker.dart';
import 'package:http/http.dart' as http2;

import '../../mih_apis/mih_location_api.dart';
import '../../mih_components/mih_inputs_and_buttons/mih_button.dart';
import '../../mih_components/mih_inputs_and_buttons/mih_dropdown_input.dart';
import '../../mih_components/mih_inputs_and_buttons/mih_file_input.dart';
import '../../mih_components/mih_inputs_and_buttons/mih_text_input.dart';
import '../../mih_components/mih_layout/mih_action.dart';
import '../../mih_components/mih_layout/mih_body.dart';
import '../../mih_components/mih_layout/mih_header.dart';
import '../../mih_components/mih_layout/mih_layout_builder.dart';
import '../../mih_components/mih_pop_up_messages/mih_error_message.dart';
import '../../mih_components/mih_pop_up_messages/mih_loading_circle.dart';
import '../../mih_components/mih_pop_up_messages/mih_success_message.dart';
import '../../mih_env/env.dart';
import '../../mih_objects/app_user.dart';

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

  @override
  State<ProfileBusinessAdd> createState() => _ProfileBusinessAddState();
}

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

  final nameController = TextEditingController();
  final typeController = TextEditingController();
  final regController = TextEditingController();
  final addressController = 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();
  final locationController = TextEditingController();
  final practiceNoController = TextEditingController();
  final vatNoController = TextEditingController();

  late PlatformFile selectedLogo;
  late PlatformFile selectedSignature;

  final ValueNotifier<String> busType = ValueNotifier("");

  Future<void> uploadSelectedFile(
      PlatformFile file, TextEditingController controller) async {
    var token = await SuperTokens.getAccessToken();
    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.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> createBusinessUserAPICall(String business_id) async {
    var response = await http.post(
      Uri.parse("$baseAPI/business-user/insert/"),
      headers: <String, String>{
        "Content-Type": "application/json; charset=UTF-8"
      },
      body: jsonEncode(<String, dynamic>{
        "business_id": business_id,
        "app_id": widget.signedInUser.app_id,
        "signature": signtureController.text,
        "sig_path":
            "${widget.signedInUser.app_id}/business_files/${signtureController.text}",
        "title": titleController.text,
        "access": accessController.text,
      }),
    );
    if (response.statusCode == 201) {
      uploadSelectedFile(selectedSignature, signtureController);
      Navigator.of(context).pushNamed('/');
      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> createBusinessProfileAPICall() async {
    showDialog(
      context: context,
      builder: (context) {
        return const Mihloadingcircle();
      },
    );

    var response = await http.post(
      Uri.parse("$baseAPI/business/insert/"),
      headers: <String, String>{
        "Content-Type": "application/json; charset=UTF-8"
      },
      body: jsonEncode(<String, dynamic>{
        "Name": nameController.text,
        "type": typeController.text,
        "registration_no": regController.text,
        "logo_name": logonameController.text,
        "logo_path":
            "${widget.signedInUser.app_id}/business_files/${logonameController.text}",
        "contact_no": contactController.text,
        "bus_email": emailController.text,
        "gps_location": locationController.text,
        "practice_no": practiceNoController.text,
        "vat_no": vatNoController.text,
      }),
    );
    if (response.statusCode == 201) {
      var businessResponse = jsonDecode(response.body);
      createBusinessUserAPICall(businessResponse['business_id']);
      uploadSelectedFile(selectedLogo, logonameController);
    } 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() {
    if (!validEmail()) {
      emailError();
    } else if (isFieldsFilled()) {
      createBusinessProfileAPICall();
    } 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'^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$');
    return regex.hasMatch(text);
  }

  void typeSelected() {
    if (typeController.text.isNotEmpty) {
      busType.value = typeController.text;
    } else {
      busType.value = "";
    }
  }

  MIHAction getActionButton() {
    return MIHAction(
      icon: const Icon(Icons.arrow_back),
      iconSize: 35,
      onTap: () {
        Navigator.of(context).pop();
      },
    );
  }

  MIHHeader getHeader() {
    return const MIHHeader(
      headerAlignment: MainAxisAlignment.center,
      headerItems: [
        Text(
          "Add Business Profile",
          style: TextStyle(
            fontWeight: FontWeight.bold,
            fontSize: 25,
          ),
        ),
      ],
    );
  }

  MIHBody getBody() {
    return MIHBody(
      borderOn: true,
      bodyItems: [
        KeyboardListener(
          focusNode: _focusNode,
          autofocus: true,
          onKeyEvent: (event) async {
            if (event is KeyDownEvent &&
                event.logicalKey == LogicalKeyboardKey.enter) {
              submitForm();
            }
          },
          child: SingleChildScrollView(
            child: Column(
              children: [
                //const SizedBox(height: 15),
                const Text(
                  "My Business Details",
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 25,
                  ),
                ),
                Divider(
                    color: MzanziInnovationHub.of(context)!
                        .theme
                        .secondaryColor()),
                const SizedBox(height: 10.0),
                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),
                ValueListenableBuilder(
                  valueListenable: busType,
                  builder: (BuildContext context, String value, Widget? child) {
                    return Visibility(
                      visible: value == "Doctors Office",
                      child: MIHTextField(
                        controller: practiceNoController,
                        hintText: "Practice Number",
                        editable: true,
                        required: true,
                      ),
                    );
                  },
                ),
                const SizedBox(height: 10.0),
                MIHTextField(
                  controller: vatNoController,
                  hintText: "VAT Number",
                  editable: true,
                  required: 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: 10.0),
                Row(
                  children: [
                    Flexible(
                      child: MIHTextField(
                        controller: locationController,
                        hintText: "Location",
                        editable: false,
                        required: false,
                      ),
                    ),
                    const SizedBox(width: 10.0),
                    SizedBox(
                      width: 80.0,
                      height: 50.0,
                      child: MIHButton(
                        buttonText: "Set",
                        buttonColor: MzanziInnovationHub.of(context)!
                            .theme
                            .secondaryColor(),
                        textColor: MzanziInnovationHub.of(context)!
                            .theme
                            .primaryColor(),
                        onTap: () {
                          MIHLocationAPI()
                              .getGPSPosition(context)
                              .then((position) {
                            if (position != null) {
                              setState(() {
                                locationController.text =
                                    "${position.latitude}, ${position.longitude}";
                              });
                            }
                          });
                        },
                      ),
                    ),
                  ],
                ),

                const SizedBox(height: 15.0),
                Divider(
                  color:
                      MzanziInnovationHub.of(context)?.theme.secondaryColor(),
                ),
                //const SizedBox(height: 15.0),
                const Text(
                  "My Business User",
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 22,
                  ),
                ),
                Divider(
                    color: MzanziInnovationHub.of(context)!
                        .theme
                        .secondaryColor()),
                const SizedBox(height: 10.0),
                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: () {
                      submitForm();
                    },
                  ),
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }

  @override
  void dispose() {
    nameController.dispose();
    typeController.dispose();
    regController.dispose();
    logonameController.dispose();
    fnameController.dispose();
    lnameController.dispose();
    titleController.dispose();
    signtureController.dispose();
    accessController.dispose();
    contactController.dispose();
    emailController.dispose();
    locationController.dispose();
    practiceNoController.dispose();
    vatNoController.dispose();
    _focusNode.dispose();
    super.dispose();
  }

  @override
  void initState() {
    typeController.addListener(typeSelected);
    setState(() {
      fnameController.text = widget.signedInUser.fname;
      lnameController.text = widget.signedInUser.lname;
      accessController.text = "Full";
    });
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return MIHLayoutBuilder(
      actionButton: getActionButton(),
      secondaryActionButton: null,
      header: getHeader(),
      body: getBody(),
      actionDrawer: null,
      secondaryActionDrawer: null,
      bottomNavBar: null,
      pullDownToRefresh: false,
      onPullDown: () async {},
    );
  }
}
