import 'package:flutter/material.dart';
import 'package:physigo/Services/AuthService.dart';


//Fields..
TextEditingController _name = TextEditingController();
TextEditingController _surname = TextEditingController();
TextEditingController _mail = TextEditingController();
TextEditingController _phoneNumber = TextEditingController();
TextEditingController _username = TextEditingController();
TextEditingController _passwd = TextEditingController();
TextEditingController _passwd2 = TextEditingController();

bool anonymous = false;
String? _dateString;



class SignupPage extends StatefulWidget {
  const SignupPage({Key? key}) : super(key: key);

  @override
  State<SignupPage> createState() => _SignupPageState();
}

class _SignupPageState extends State<SignupPage> {
  int _pageIndex = 0;

  List<Widget> forms = [
    SignupForm1(
      title: '',
    ),
    SignupForm2(
      title: '',
    ),
    SignupForm3(
      title: '',
    )
  ];

  void _updatePageIndex(int newPageIndex) {
    if (newPageIndex == -1) {
      Navigator.pushNamed(context, '/');
    } else if (newPageIndex == 3) {
      //autentification
      //Navigator.pop(context);
      newPageIndex == 2;
    } else {
      setState(() {
        _pageIndex = newPageIndex;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      floatingActionButton: Row(
        mainAxisAlignment: MainAxisAlignment.end,
        children: [
          FloatingActionButton(
              heroTag: "btn1",
              child: Icon(Icons.navigate_before_outlined),
              onPressed: () => _updatePageIndex(_pageIndex - 1)),
          SizedBox(
            width: 25,
          ),
          FloatingActionButton(
              heroTag: "btn2",
              child: Icon(Icons.navigate_next_outlined),
              onPressed: () => _updatePageIndex(_pageIndex + 1))
        ],
      ),
      body: Center(child: forms[_pageIndex]),
    );
  }
}

class SignupForm1 extends StatefulWidget {
  const SignupForm1({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<SignupForm1> createState() => _SignupForm1();
}

class _SignupForm1 extends State<SignupForm1> {
  DateTime? _dateTime;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
        width: 300,
        child: Column(children: <Widget>[
          const SizedBox(height: 30),
          Text(
            'Personal Information',
            style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 30),
          Image.asset(
            'assets/user.png',
            width: 150,
          ),
          const SizedBox(height: 30),
          TextFormField(
            controller: _name,
            decoration: InputDecoration(
              hintText: 'Name',
            ),
          ),
          const SizedBox(height: 10),
          TextFormField(
            controller: _surname,
            decoration: InputDecoration(
              hintText: 'Surname',
            ),
          ),
          const SizedBox(height: 10),
          Row(children: <Widget>[
            Text(_dateString == null
                ? 'Select birthday date :'
                : _dateString.toString()),
            const SizedBox(width: 49),
            ElevatedButton(
              onPressed: () {
                showDatePicker(
                        context: context,
                        initialDate: DateTime.now(),
                        firstDate: DateTime(1900),
                        lastDate: DateTime.now())
                    .then((date) {
                  setState(() {
                    _dateTime = date!;
                    _dateString = "${date.day}-${date.month}-${date.year}";
                  });
                });
              },
              child: const Text('Select date'),
            ),
          ]),
          const SizedBox(height: 10),
        ]),
      )),
    );
  }
}

class SignupForm2 extends StatefulWidget {
  const SignupForm2({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<SignupForm2> createState() => _SignupForm2();
}

class _SignupForm2 extends State<SignupForm2> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
        width: 300,
        child: Column(children: <Widget>[
          const SizedBox(height: 30),
          Text(
            'Contact Details',
            style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 30),
          Image.asset(
            'assets/communicate.png',
            width: 150,
          ),
          const SizedBox(height: 30),
          TextFormField(
            controller: _mail,
            decoration: InputDecoration(
              hintText: 'Mail',
            ),
          ),
          const SizedBox(height: 10),
          TextFormField(
            controller: _phoneNumber,
            decoration: InputDecoration(
              hintText: 'Phone Number',
            ),
          ),
          const SizedBox(height: 10),
          Row(children: <Widget>[
            Text('Anonymous'),
            Checkbox(
              checkColor: Colors.white,
              value: anonymous,
              onChanged: (bool? value) {
                setState(() {
                  anonymous = value!;
                });
              },
            ),
          ]),
          const SizedBox(height: 10),
        ]),
      )),
    );
  }
}

class SignupForm3 extends StatefulWidget {
  const SignupForm3({Key? key, required this.title}) : super(key: key);
  final String title;

  @override
  //_RegisterScreen createState() => _RegisterScreen();
  State<SignupForm3> createState() => _SignupForm3();
}

class _SignupForm3 extends State<SignupForm3> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Register Screen'),
      ),
      body: Center(
          child: SizedBox(
        width: 300,
        child: Column(children: <Widget>[
          const SizedBox(height: 30),
          Text(
            'User details',
            style: TextStyle(fontSize: 25, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 30),
          Image.asset(
            'assets/id-card.png',
            width: 150,
          ),
          const SizedBox(height: 30),
          TextFormField(
            controller: _username,
            decoration: InputDecoration(
              hintText: 'Username',
            ),
          ),
          const SizedBox(height: 10),
          TextFormField(
            controller: _passwd,
            obscureText: true,
            enableSuggestions: false,
            autocorrect: false,
            decoration: InputDecoration(
              hintText: 'Password',
            ),
          ),
          const SizedBox(height: 10),
          TextFormField(
            controller: _passwd2,
            obscureText: true,
            enableSuggestions: false,
            autocorrect: false,
            decoration: InputDecoration(
              hintText: 'Repeat password',
            ),
          ),
          const SizedBox(height: 15),
          ElevatedButton(
              onPressed: () {
                try {
                  if (_passwd.text == _passwd2.text) {
                    createUser();
                    Navigator.pop(context);
                  } else {
                    print("passwd is not the same");
                  }
                } catch (e) {
                  print(e.toString());
                }
              },
              child: const Text('Finish Register')),

        ]),
      )),
    );
  }

  void createUser() async {
    dynamic result =
        await AuthenticationServices.createNewUser(anonymous, _dateString.toString(), _name.text, _mail.text, _passwd.text,
            _phoneNumber.text, _username.text, _surname.text);
    if (result == null) {
      print('mail not valid');
    } else {
      //print(result.toString());
      //[51.787378° N, 19.449455° E]

      print(' anonymous: ' + anonymous.toString() +
          ' birthdate: ' + _dateString.toString() +
          ' createDate: ' + DateTime.now().toString()+
          ' last_challenge_data: ' + 'null'+
          ' mail: ' + _mail.text +
          ' name: ' + _name.text +
          ' passwd: ' + '??? ' +
          ' phone_number: ' + _phoneNumber.text+
          ' shared_id: ' + _username.text +
          ' surname: ' + _surname.text +
          ' totalpoints: 0 ' +
          ' update_date: ' + DateTime.now().toString()+
          ' weeklyplace: ' + 'null');

      _name.clear();
      _surname.clear();
      _mail.clear();
      _phoneNumber.clear();
      _username.clear();
      _passwd.clear();
      _passwd2.clear();
    }
  }
}