import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:patient_manager/components/inputsAndButtons/mihPassInput.dart';
import 'package:patient_manager/components/popUpMessages/mihErrorMessage.dart';
import 'package:patient_manager/components/inputsAndButtons/mihButton.dart';
import 'package:patient_manager/components/popUpMessages/mihLoadingCircle.dart';
import 'package:patient_manager/components/popUpMessages/mihSuccessMessage.dart';
import 'package:patient_manager/env/env.dart';
import 'package:patient_manager/main.dart';
import 'package:supabase_auth_ui/supabase_auth_ui.dart';
import 'package:supertokens_flutter/http.dart' as http;

class ResetPassword extends StatefulWidget {
  final String? token;
  const ResetPassword({
    super.key,
    required this.token,
  });

  @override
  State<ResetPassword> createState() => _ResetPasswordState();
}

class _ResetPasswordState extends State<ResetPassword> {
  final passwordController = TextEditingController();
  final confirmPasswordController = TextEditingController();

  //bool _obscureText = true;
  bool successfulResetPassword = false;
  bool acceptWarning = false;
  // focus node to capture keyboard events
  final FocusNode _focusNode = FocusNode();

  final baseAPI = AppEnviroment.baseApiUrl;

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

    try {
      var callBody =
          '{"method": "token","formFields": [{"id": "password","value": "${passwordController.text}"}],"token": "${widget.token}"}';
      //print(callBody);
      var response = await http.post(
        Uri.parse("$baseAPI/auth/user/password/reset"),
        body: callBody,
        headers: {
          'Content-type': 'application/json; charset=utf-8',
          // 'Accept': 'application/json',
          //"Authorization": "leatucczyixqwkqqdrhayiwzeofkltds"
        },
      );
      //print(response.body[])
      if (response.statusCode == 200) {
        //print(response.body);
        var userPassReset = jsonDecode(response.body);
        if (userPassReset["status"] == "OK") {
          //print("here");
          setState(() {
            successfulResetPassword = true;
          });
          Navigator.of(context).pop();
          Navigator.of(context).pushNamed('/');
        } else if (userPassReset["status"] == "FIELD_ERROR") {
          Navigator.of(context).pop();
          passwordReqError();
        } else {
          Navigator.of(context).pop();
          loginError();
        }
      }
    } on AuthException {
      Navigator.of(context).pop();
      //loginError();
    }
  }

  void passwordReqError() {
    showDialog(
      context: context,
      builder: (context) {
        return const MIHErrorMessage(errorType: "Password Requirements");
      },
    );
  }

  Color getPrim() {
    return MzanziInnovationHub.of(context)!.theme.secondaryColor();
  }

  Color getSec() {
    return MzanziInnovationHub.of(context)!.theme.primaryColor();
  }

  void prePassResteWarning() {
    showDialog(
      context: context,
      builder: (context) {
        return Dialog(
          child: Stack(
            children: [
              Container(
                padding: const EdgeInsets.all(10.0),
                width: 500.0,
                height: 450,
                decoration: BoxDecoration(
                  color: MzanziInnovationHub.of(context)!.theme.primaryColor(),
                  borderRadius: BorderRadius.circular(25.0),
                  border: Border.all(
                      color: MzanziInnovationHub.of(context)!
                          .theme
                          .secondaryColor(),
                      width: 5.0),
                ),
                child: SingleChildScrollView(
                  child: Column(
                    //mainAxisSize: MainAxisSize.max,
                    children: [
                      Icon(
                        Icons.warning_amber_rounded,
                        size: 100,
                        color: MzanziInnovationHub.of(context)!
                            .theme
                            .secondaryColor(),
                      ),
                      const SizedBox(height: 15),
                      Text(
                        "Password Reset Confirmation",
                        textAlign: TextAlign.center,
                        style: TextStyle(
                          color: MzanziInnovationHub.of(context)!
                              .theme
                              .secondaryColor(),
                          fontSize: 25.0,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                      const SizedBox(height: 15),
                      Padding(
                        padding: const EdgeInsets.symmetric(horizontal: 25.0),
                        child: Text(
                          "Before you reset your password, please be aware that you'll receive an email with a link to confirm your identity and set a new password. Make sure to check your inbox, including spam or junk folders. If you don't receive the email within a few minutes, please try resending the reset request.",
                          style: TextStyle(
                            color: MzanziInnovationHub.of(context)!
                                .theme
                                .secondaryColor(),
                            fontSize: 15.0,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                      ),
                      const SizedBox(height: 25),
                      SizedBox(
                        width: 500.0,
                        height: 50.0,
                        child: MIHButton(
                          buttonText: "Continue",
                          buttonColor: MzanziInnovationHub.of(context)!
                              .theme
                              .secondaryColor(),
                          textColor: MzanziInnovationHub.of(context)!
                              .theme
                              .primaryColor(),
                          onTap: () {
                            setState(() {
                              acceptWarning = true;
                            });
                            Navigator.of(context).pop();
                            validateInput();
                          },
                        ),
                      ),
                    ],
                  ),
                ),
              ),
              Positioned(
                top: 5,
                right: 5,
                width: 50,
                height: 50,
                child: IconButton(
                  onPressed: () {
                    Navigator.pop(context);
                  },
                  icon: Icon(
                    Icons.close,
                    color: MzanziInnovationHub.of(context)!.theme.errorColor(),
                    size: 35,
                  ),
                ),
              ),
            ],
          ),
        );
      },
    );
  }

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

  void resetSuccessfully() {
    showDialog(
      context: context,
      builder: (context) {
        return const MIHSuccessMessage(
            successType: "Success",
            successMessage:
                "Great news! Your password reset is complete. You can now log in to Mzansi Innovation Hub using your new password.");
      },
    );
  }

  void passwordError() {
    showDialog(
      context: context,
      builder: (context) {
        return const MIHErrorMessage(errorType: "Password Match");
      },
    );
  }

  void validateInput() async {
    if (passwordController.text.isEmpty ||
        confirmPasswordController.text.isEmpty) {
      showDialog(
        context: context,
        builder: (context) {
          return const MIHErrorMessage(errorType: "Input Error");
        },
      );
    } else if (passwordController.text != confirmPasswordController.text) {
      passwordError();
    } else {
      await submitPasswodReset();
      if (successfulResetPassword) {
        resetSuccessfully();
      }
    }
  }

  @override
  void dispose() {
    passwordController.dispose();
    confirmPasswordController.dispose();
    _focusNode.dispose();
    super.dispose();
  }

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

  @override
  Widget build(BuildContext context) {
    return KeyboardListener(
      focusNode: _focusNode,
      autofocus: true,
      onKeyEvent: (event) async {
        if (event is KeyDownEvent &&
            event.logicalKey == LogicalKeyboardKey.enter) {
          validateInput();
        }
      },
      child: Scaffold(
        //backgroundColor: Colors.white,
        body: Stack(
          children: [
            SafeArea(
              child: Center(
                child: SingleChildScrollView(
                  physics: const BouncingScrollPhysics(),
                  child: Padding(
                    padding: const EdgeInsets.all(25.0),
                    child: Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        //logo
                        Icon(
                          Icons.lock,
                          size: 100,
                          color: MzanziInnovationHub.of(context)!
                              .theme
                              .secondaryColor(),
                        ),
                        //spacer
                        const SizedBox(height: 10),
                        //Heading
                        Text(
                          'Reset Password',
                          style: TextStyle(
                            fontSize: 25,
                            fontWeight: FontWeight.bold,
                            color: MzanziInnovationHub.of(context)!
                                .theme
                                .secondaryColor(),
                          ),
                        ),
                        //spacer
                        // const SizedBox(height: 15),
                        // Text(
                        //   'token: ${widget.token}',
                        //   style: TextStyle(
                        //     fontSize: 15,
                        //     fontWeight: FontWeight.bold,
                        //     color: MzanziInnovationHub.of(context)!
                        //         .theme
                        //         .secondaryColor(),
                        //   ),
                        // ),
                        //spacer
                        const SizedBox(height: 25),
                        //email input
                        SizedBox(
                          width: 500.0,
                          child: MIHPassField(
                            controller: passwordController,
                            hintText: 'New Password',
                            required: true,
                            signIn: false,
                          ),
                        ),
                        //spacer
                        const SizedBox(height: 10),
                        //password input
                        SizedBox(
                          width: 500.0,
                          child: MIHPassField(
                            controller: confirmPasswordController,
                            hintText: 'Confirm New Password',
                            required: true,
                            signIn: false,
                          ),
                        ),

                        //spacer
                        const SizedBox(height: 30),
                        // sign in button
                        SizedBox(
                          width: 500.0,
                          height: 50.0,
                          child: MIHButton(
                            buttonText: "Reset Password",
                            buttonColor: MzanziInnovationHub.of(context)!
                                .theme
                                .secondaryColor(),
                            textColor: MzanziInnovationHub.of(context)!
                                .theme
                                .primaryColor(),
                            onTap: () {
                              validateInput();
                            },
                          ),
                        ),
                      ],
                    ),
                  ),
                ),
              ),
            ),
            Positioned(
              top: 10,
              left: 5,
              width: 50,
              height: 50,
              child: IconButton(
                onPressed: () {
                  //Navigator.of(context).pop();
                  Navigator.of(context).pushReplacementNamed('/');
                },
                icon: const Icon(Icons.login),
              ),
            ),
          ],
        ),
      ),
    );
  }
}