TKK_E32210103/lib/home_view.dart

import 'dart:async';
import 'dart:convert';
import 'package:app_ta/detail%20copy.dart';
import 'package:app_ta/theme.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

class Home extends StatefulWidget {
  @override
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  TextEditingController _ipController = TextEditingController();
  Map<String, Map<String, dynamic>> _esp32Data =
      {}; // New structure to hold more information
  Timer? _timer;

  @override
  void initState() {
    super.initState();
    _timer = Timer.periodic(Duration(seconds: 1), (timer) {
      _updateTimeForAllDevices();
    });
  }

  @override
  void dispose() {
    _timer?.cancel();
    super.dispose();
  }

  Future<void> _sendRequest() async {
    String ipAddress = _ipController.text.trim();
    if (_esp32Data.containsKey(ipAddress)) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Device already connected')),
      );
      return Navigator.of(context).pop();
    }

    try {
      final response = await http.get(Uri.parse('http://$ipAddress/find'));
      if (response.statusCode == 200) {
        setState(() {
          _esp32Data[ipAddress] = {
            'name': ipAddress,
            'time': 'loading...',
          };
        });
        _ipController.clear();
        Navigator.of(context).pop();
      } else {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text('Failed to connect to $ipAddress')),
        );
      }
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Error connecting to $ipAddress')),
      );
      return Navigator.of(context).pop();
    }
  }

  void _updateTimeForAllDevices() {
    _esp32Data.forEach((ip, data) async {
      try {
        final response = await http.get(Uri.parse('http://$ip/get-time'));
        if (response.statusCode == 200) {
          var timeData = jsonDecode(response.body);
          setState(() {
            _esp32Data[ip]!['time'] =
                "${timeData['hours'].toString().padLeft(2, '0')}:${timeData['minutes'].toString().padLeft(2, '0')
                }:${timeData['seconds'].toString().padLeft(2, '0')}";
          });
        }
      } catch (e) {
        print('Failed to update time for $ip');
      }
    });
  }

  Widget deviceWidget(String ip) {
    var data = _esp32Data[ip];
    return Container(
        margin: EdgeInsets.only(bottom: 10, left: 30, right: 30),
        height: 100,
        width: 320,
        decoration: BoxDecoration(
          border: Border.all(width: 2, color: primaryColor),
          borderRadius: BorderRadius.circular(14),
        ),
        child: Row(children: [
          Container(
            margin: EdgeInsets.only(left: 16),
            height: 64,
            width: 64,
            decoration: BoxDecoration(
                image: DecorationImage(
              image: AssetImage('assets/images/ps.png'),
            )),
          ),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Container(
                    width: 144,
                    // color: Colors.yellow,
                      margin: EdgeInsets.only(left: 22),
                      child: Text(data!['name'],
                          style: primaryTextStyle.copyWith(
                              fontSize: 22, fontWeight: semiBold))),
                              // SizedBox(width: 20,),
                  Container(
                      // margin: EdgeInsets.only(left: 22),
                      child: Text(data['time'],
                          style: primaryTextStyle.copyWith(
                              fontSize: 14, fontWeight: semiBold, color: Colors.blue))),
                ],
              ),
              SizedBox(
                height: 8,
              ),
              Row(
                children: [
                  GestureDetector(
                    onTap: () {
                      _navigateToDetail(ip);
                    },
                    child: Container(
                      margin: EdgeInsets.only(left: 22),
                      height: 26,
                      width: 78,
                      decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(6),
                          color: primaryColor),
                      child: Center(
                          child: Text(
                        'detail',
                        style: secondTextStyle,
                      )),
                    ),
                  ),
                  GestureDetector(
                    onTap: () {
                      _removeDevice(ip);
                    },
                    child: Container(
                      margin: EdgeInsets.only(left: 22),
                      height: 26,
                      width: 78,
                      decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(6),
                          color: Colors.red),
                      child: Center(
                        child: Text('delete', style: secondTextStyle),
                      ),
                    ),
                  ),
                ],
              )
            ],
          )
        ])
        );
  }

  void _removeDevice(String ip) {
    setState(() {
      _esp32Data.remove(ip);
    });
  }

  void _navigateToDetail(String ip) {
    Navigator.push(
      context,
      MaterialPageRoute(
        builder: (context) => DetailTest(ip),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          'ev center',
          style: primaryTextStyle.copyWith(
              fontSize: 28, fontWeight: FontWeight.bold),
        ),
        actions: [
          IconButton(
            icon: Icon(
              Icons.add_circle_outline,
              color: Color(0xFF020518),
            ),
            onPressed: () => _showAddDialog(),
          )
        ],
        elevation: 0,
        backgroundColor: Colors.transparent,
      ),
      body: _esp32Data.isEmpty
          ? Center(
              child: Text(
                'belum ada perangkat terhubung',
                style: primaryTextStyle,
              ),
            )
          : ListView(
              children: _esp32Data.keys.map((ip) => deviceWidget(ip)).toList(),
            ),
    );
  }

  void _showAddDialog() {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          contentPadding: EdgeInsets.all(16), // Atur padding konten
          content: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Align(
                alignment: Alignment.centerLeft,
                child: Text(
                  'IP Address',
                  style: primaryTextStyle.copyWith(
                    fontWeight: semiBold,
                  ),
                ),
              ),
              Container(
                margin: EdgeInsets.only(top: 8),
                height: 45,
                width: 283,
                decoration: BoxDecoration(
                    borderRadius: BorderRadius.circular(14),
                    border: Border.all(width: 1)),
                child: Center(
                  child: Container(
                    padding: EdgeInsets.only(left: 10),
                    child: TextFormField(
                      controller: _ipController,
                      style: primaryTextStyle,
                      cursorColor: primaryColor,
                      keyboardType: TextInputType.number,
                      decoration: InputDecoration.collapsed(
                          hintText: 'xxx.xxx.x.xx',
                          hintStyle: primaryTextStyle.copyWith(
                              color: Colors.grey.shade400)),
                    ),
                  ),
                ),
              ),
              SizedBox(height: 20.0),
              Container(
                width: 123,
                height: 45,
                decoration: BoxDecoration(
                    borderRadius: BorderRadius.circular(10),
                    color: primaryColor),
                child: TextButton(
                  onPressed: _sendRequest,
                  child: Text(
                    'connect',
                    style: secondTextStyle,
                  ),
                ),
              ),
            ],
          ),
        );
      },
    );
  }
}