ocbo-esign-mobile/lib/pages/login_page.dart

import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:gap/gap.dart';
import 'package:go_router/go_router.dart';
import 'package:hashlib/hashlib.dart';
import 'package:ocbo_esign_mobile/blocs/user/functions/bloc_setuser.dart';
import 'package:ocbo_esign_mobile/functions/get_api.dart';
import 'package:ocbo_esign_mobile/functions/modal.dart';
import 'package:ocbo_esign_mobile/widgets/box_widget.dart';
import 'package:ocbo_esign_mobile/widgets/button_widget.dart';
import 'package:ocbo_esign_mobile/widgets/image_widget.dart';
import 'package:ocbo_esign_mobile/widgets/input_widget.dart';
import 'package:ocbo_esign_mobile/widgets/login_box_widget.dart';
import 'package:ocbo_esign_mobile/widgets/text_widget.dart';

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

  @override
  State<LoginPage> createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  final _passwordController = TextEditingController();
  final _approver = dotenv.env['HEAD']!;
  final _approverId = dotenv.env['HEADID']!;
  late ValueNotifier<String> passwordNotifier;

  @override
  void initState() {
    super.initState();
    passwordNotifier = ValueNotifier(_passwordController.text);
    _passwordController.addListener(() {
      passwordNotifier.value = _passwordController.text;
    });
  }

  // Future<bool> _checkConnection() async {
  //   try {
  //     final connection = await getApi('check-connection', null, null);
  //     return connection["result"];
  //   } catch (e) {
  //     return false;
  //   }
  // }

  // Future<String> _getPassword(String employeeid) async {
  //   try {
  //     final response = await getApi('get-password', employeeid, null);
  //     return (response["result"]);
  //   } catch (e) {
  //     return "0";
  //   }
  // }

  Future<String> _securePassword(String password) async {
    final firstHash = sha1.string(password);
    final secondHash = sha384.string(firstHash.toString());
    final thirdHash = sha1.string(secondHash.toString());

    return thirdHash.toString();
  }

  // void _login() async {
  //   final connected = await _checkConnection();

  //   if (connected) {
  //     final employeeid = _approverId;
  //     final dbpassword = await _getPassword(employeeid);
  //     final hashPassword = await _securePassword(_passwordController.text);

  //     if (context.mounted) {
  //       if (dbpassword == hashPassword) {
  //         _setLogin();
  //       } else {
  //         _showDialog();
  //       }
  //     }
  //   }
  // }

  void _setLogin() {
    blocSetUser(context, _approver);
    context.push('/approval');
  }

  void _showDialog() {
    showModal(context, 'Error', 'Invalid password, try again.', true);
  }

  void _ignoreButton() {}

  @override
  void dispose() {
    _passwordController.dispose();
    passwordNotifier.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      body: Container(
        alignment: Alignment.center,
        height: MediaQuery.of(context).size.height,
        decoration: const BoxDecoration(
          gradient: LinearGradient(
            begin: Alignment.topCenter,
            end: Alignment.bottomCenter,
            colors: [
              Color.fromRGBO(37, 25, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(25, 46, 41, 1),
            ],
          ),
        ),
        child: Column(
          children: [
            const Gap(88),
            const ImageWidget(imagePath: 'assets/logo.webp', size: 100, measureByHeight: true),
            const Gap(58),
            LoginBoxWidget(
              title: 'Login',
              content: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  const TextWidget(text: 'Name', bold: true, size: 16),
                  const Gap(8),
                  TextWidget(text: _approver, bold: false, size: 16),
                  const Gap(16),
                  const TextWidget(text: 'Password', bold: true, size: 16),
                  const Gap(8),
                  InputWidget(controller: _passwordController, password: true),
                  const Gap(24),
                  // ValueListenableBuilder<String>(
                  //   valueListenable: passwordNotifier,
                  //   builder: (context, password, child) {
                  //     return ButtonWidget(
                  //       text: password.isNotEmpty ? 'Login' : 'Required password',
                  //       onPressed: password.isNotEmpty ? _login : _ignoreButton,
                  //       disabled: password.isEmpty,
                  //     );
                  //   },
                  // ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}