import 'package:flutter/material.dart';
import 'package:footer/footer.dart';
import 'package:footer/footer_view.dart';
import 'package:libac_flutter/utils/Hashing.dart';
import 'package:zontreck/Constants.dart';
import 'package:zontreck/Packets.dart';
import 'package:zontreck/Settings.dart';

class RegisterAccountPage extends StatefulWidget {
  RegisterAccountPage({super.key});

  @override
  RegisterAccountState createState() => RegisterAccountState();
}

class RegisterAccountState extends State<RegisterAccountPage> {
  RegisterAccountState();

  Settings settings = Settings();

  TextEditingController firstNameController = TextEditingController();
  TextEditingController lastNameController = TextEditingController();

  TextEditingController password = TextEditingController();
  TextEditingController confirm = TextEditingController();

  TextEditingController email = TextEditingController();

  bool get passwordMatches =>
      password.text == confirm.text &&
      password.text != "" &&
      confirm.text != "";

  bool get canSubmit =>
      firstNameController.text != "" &&
      lastNameController.text != "" &&
      passwordMatches &&
      email.text != "";

  @override
  void didChangeDependencies() {
    lastNameController.text = settings.hasNoUsers ? "Piccari" : "";

    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text("OpenSim - Register Account"),
          backgroundColor: Constants.TITLEBAR_COLOR,
        ),
        floatingActionButton: canSubmit
            ? ElevatedButton(
                onPressed: () async {
                  C2SRegisterAccountPacket packet = C2SRegisterAccountPacket(
                    firstName: firstNameController.text,
                    lastName: lastNameController.text,
                    passwordHash: Hashing.md5Hash(password.text),
                    email: email.text,
                    level: settings.hasNoUsers ? 240 : 1,
                    title: settings.hasNoUsers
                        ? UserTitles.OPERATOR.title
                        : UserTitles.USER.title,
                    clientKey: Constants.CLIENTPSK,
                  );

                  var response = await settings.sendPacketToEndpoint(
                      APIEndpoint.Register, packet) as S2CSimpleReplyPacket;

                  if (response.done) {
                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                        content: Text(
                            "User Account Created. You must now login to finish setting up the account")));
                    Navigator.pop(context);
                  } else {
                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                        content:
                            Text("Fatal error when creating user account")));
                  }
                },
                child: Text("Create my Account"))
            : null,
        body: FooterView(
            footer: Footer(
                alignment: Alignment.center,
                backgroundColor: ThemeData.dark().focusColor,
                child:
                    const Text("${Constants.COPYRIGHT}\n${Constants.VERSION}")),
            children: [
              Padding(
                padding: EdgeInsets.all(8),
                child: SingleChildScrollView(
                  child: Column(
                    children: [
                      settings.hasNoUsers
                          ? ListTile(
                              title: Text("There are no users on this grid."),
                              tileColor: Constants.TITLEBAR_COLOR,
                              subtitle: Text(
                                  "This account will be granted Level 240, and the User Title : ${UserTitles.OPERATOR.title}"),
                            )
                          : SizedBox(),
                      ListTile(
                        title: Text("First Name"),
                        subtitle: TextField(
                          controller: firstNameController,
                          onChanged: (v) {
                            setState(() {});
                          },
                        ),
                      ),
                      ListTile(
                          title: Text("Last Name"),
                          subtitle: Constants.ALLOW_ANY_LAST_NAME ||
                                  settings.hasNoUsers
                              ? TextField(
                                  controller: lastNameController,
                                  onChanged: (v) {
                                    setState(() {});
                                  },
                                )
                              : DropdownMenu(
                                  onSelected: (V) {
                                    setState(() {
                                      lastNameController.text = V as String;
                                    });
                                  },
                                  dropdownMenuEntries:
                                      LastNames.getCurrentNames(),
                                )),
                      ListTile(
                        title: Text("Password"),
                        subtitle: TextField(
                          controller: password,
                          decoration: InputDecoration(
                            hintText: "*******",
                          ),
                          obscureText: true,
                          obscuringCharacter: "*",
                          onChanged: (V) {
                            setState(() {});
                          },
                        ),
                      ),
                      ListTile(
                        title: Text("Password Confirmation"),
                        subtitle: TextField(
                          controller: confirm,
                          decoration: InputDecoration(
                            hintText: "*******",
                          ),
                          obscureText: true,
                          obscuringCharacter: "*",
                          onChanged: (V) {
                            setState(() {});
                          },
                        ),
                      ),
                      passwordMatches ||
                              password.text == "" && confirm.text == ""
                          ? Divider(
                              thickness: 2,
                            )
                          : ListTile(
                              title: Text("Passwords do not match"),
                              tileColor: Constants.TITLEBAR_COLOR,
                            ),
                      ListTile(
                        title: Text("Email Address"),
                        subtitle: TextField(
                          onChanged: (V) {
                            setState(() {});
                          },
                          controller: email,
                          decoration: InputDecoration(
                              hintText:
                                  "Your email address. It is not used by zontreck.com, but if needed, can be used to reach you"),
                        ),
                      )
                    ],
                  ),
                ),
              ),
            ]));
  }
}

enum LastNames {
  Aabye,
  Aarde,
  Bailey,
  Caballero;

  static List<DropdownMenuEntry<Object?>> getCurrentNames() {
    return [
      LastNames.Aabye.getEntry(),
      LastNames.Aarde.getEntry(),
      LastNames.Bailey.getEntry(),
      LastNames.Caballero.getEntry()
    ];
  }

  DropdownMenuEntry<String> getEntry() {
    return DropdownMenuEntry(value: this.name, label: this.name);
  }
}