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blinds_flutter/lib/BlindMasterScreens/individualControl/peripheral_screen.dart

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2025-07-10 18:52:04 -05:00
import 'dart:convert';
import 'package:blind_master/BlindMasterResources/blindmaster_progress_indicator.dart';
import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
import 'package:blind_master/BlindMasterResources/text_inputs.dart';
import 'package:blind_master/BlindMasterScreens/schedules_screen.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:socket_io_client/socket_io_client.dart' as IO;
class PeripheralScreen extends StatefulWidget {
const PeripheralScreen({super.key, required this.peripheralId, required this.deviceId, required this.peripheralNum});
final int peripheralId;
final int peripheralNum;
final int deviceId;
@override
State<PeripheralScreen> createState() => _PeripheralScreenState();
}
class _PeripheralScreenState extends State<PeripheralScreen> {
IO.Socket? socket;
String imagePath = "";
String peripheralName = "...";
bool loaded = false;
bool calibrated = false;
bool calibrating = false;
double _blindPosition = 5.0;
DateTime? lastSet;
String lastSetMessage = "";
final _peripheralRenameController = TextEditingController();
void getImage() {
final hour = DateTime.now().hour;
if (hour >= 5 && hour < 10) {
imagePath = 'assets/images/MorningSill.png';
} else if (hour >= 10 && hour < 18) {
imagePath = 'assets/images/NoonSill.png';
} else if (hour >= 18 && hour < 22) {
imagePath = 'assets/images/EveningSill.png';
} else {
imagePath = 'assets/images/NightSill.png';
}
}
@override
void initState() {
super.initState();
initAll();
initSocket();
}
@override
void dispose() {
socket?.disconnect();
socket?.dispose();
super.dispose();
}
Future<void> initSocket() async {
try {
socket = await connectSocket();
if (socket == null) throw Exception("Unsuccessful socket connection");
socket?.on("success", (_) {
socket?.on("posUpdates", (list) {
for (var update in list) {
if (update is Map<String, dynamic>) {
if (update['periphID'] == widget.peripheralId) {
if (!mounted) return;
setState(() {
_blindPosition = (update['pos'] as int).toDouble();
});
}
}
}
});
socket?.on("calib", (periphData) {
if (periphData is Map<String, dynamic>) {
if (periphData['periphID'] == widget.peripheralId) {
if (!mounted) return;
setState(() {
calibrating = true;
calibrated = false;
});
}
}
});
socket?.on("calib_done", (periphData) {
if (periphData is Map<String, dynamic>) {
if (periphData['periphID'] == widget.peripheralId) {
if (!mounted) return;
setState(() {
calibrating = false;
calibrated = true;
});
}
}
});
});
} catch (e) {
if (mounted) ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
Future<void> calibrate() async {
try {
final payload = {
'periphId': widget.peripheralId
};
final response = await securePost(payload, 'calib');
if (response == null) throw Exception("auth error");
if (response.statusCode != 202) throw Exception("Server Error");
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
Future<void> cancelCalib() async {
try {
final payload = {
'periphId': widget.peripheralId
};
final response = await securePost(payload, 'cancel_calib');
if (response == null) throw Exception("auth error");
if (response.statusCode != 202) throw Exception("Server Error");
setState(() {
calibrated = false;
calibrating = false;
});
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
Future<void> getName() async {
try {
final payload = {
'periphId': widget.peripheralId
};
final response = await secureGet('peripheral_name', queryParameters: payload);
if (response == null) throw Exception("auth error");
if (response.statusCode != 200) throw Exception("Server Error");
final body = json.decode(response.body);
setState(() => peripheralName = body['name']);
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
Future loop() async{
try {
final payload = {
'periphId': widget.peripheralId
};
final response = await secureGet('peripheral_status', queryParameters: payload);
if (response == null) throw Exception("auth error");
if (response.statusCode != 200) {
if (response.statusCode == 404) throw Exception("Device Not Found");
throw Exception("Server Error");
}
final body = json.decode(response.body) as Map<String, dynamic>;
if (!body['await_calib']){
if (!body['calibrated']) {
calibrated = false;
calibrating = false;
}
else {
getImage();
final nowUtc = DateTime.now().toUtc();
final lastSetUtc = DateTime.parse(body['last_set']);
final Duration difference = nowUtc.difference(lastSetUtc);
if (!lastSetUtc.isUtc) throw Exception("Why isn't the server giving UTC?");
final diffDays = difference.inDays > 0;
final diffHours = difference.inHours > 0;
final diffMins = difference.inMinutes > 0;
lastSetMessage = "Last set ${diffDays ? '${difference.inDays.toString()} days' : diffHours ? '${difference.inHours.toString()} hours' : diffMins ? '${difference.inMinutes.toString()} minutes' : '${difference.inSeconds.toString()} seconds'} ago";
_blindPosition = (body['last_pos'] as int).toDouble();
calibrated = true;
calibrating = false;
}
}
else {
calibrating = true;
}
setState(() {loaded = true;});
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
Future initAll() async{
getName();
loop();
}
void rename() {
showDialog(
context: context,
builder: (BuildContext dialogContext) {
return AlertDialog(
title: Text(
"Rename Peripheral",
style: GoogleFonts.aBeeZee(),
),
content: BlindMasterMainInput("New Peripheral Name", controller: _peripheralRenameController,),
actions: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () {
Navigator.of(dialogContext).pop();
},
child: const Text(
"Cancel",
style: TextStyle(
color: Colors.red
),
)
),
ElevatedButton(
onPressed: () {
updatePeriphName(_peripheralRenameController.text, widget.peripheralId);
Navigator.of(dialogContext).pop();
},
child: const Text("Confirm")
)
],
)
],
);
}
);
}
Future updatePeriphName(String name, int id) async {
try {
if (name.isEmpty) throw Exception("New name cannot be empty!");
final payload = {
'periphId': id,
'newName': name,
};
final response = await securePost(payload, 'rename_peripheral');
if (response == null) throw Exception("Auth Error");
if (response.statusCode != 204) {
if (response.statusCode == 409) throw Exception("Choose a unique name!");
throw Exception("Server Error");
}
getName();
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
void recalibrate() {
showDialog(
context: context,
builder: (BuildContext dialogContext) {
return AlertDialog(
title: Text(
"Recalibrate Peripheral",
style: GoogleFonts.aBeeZee(),
),
content: const Text(
"This will take under a minute",
textAlign: TextAlign.center,
),
actions: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () {
Navigator.of(dialogContext).pop();
},
child: const Text(
"Cancel",
style: TextStyle(
color: Colors.red
),
)
),
ElevatedButton(
onPressed: () {
calibrate();
Navigator.of(dialogContext).pop();
},
child: const Text("Confirm")
)
],
)
],
);
}
);
}
Future updateBlindPosition() async {
try {
final payload = {
'periphId': widget.peripheralId,
'periphNum': widget.peripheralNum,
'deviceId': widget.deviceId,
'newPos': _blindPosition.toInt(),
};
final response = await securePost(payload, 'manual_position_update');
if (response == null) throw Exception("Auth Error");
if (response.statusCode != 202) {
throw Exception("Server Error");
}
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
peripheralName,
style: GoogleFonts.aBeeZee(),
),
backgroundColor: Theme.of(context).primaryColorLight,
foregroundColor: Colors.white,
),
body: loaded
? (calibrating
? RefreshIndicator(
onRefresh: initAll,
child: SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
child: SizedBox(
height: MediaQuery.of(context).size.height * 0.8,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
padding: EdgeInsets.all(20),
child: Text(
"Calibrating... Check again soon."
),
),
ElevatedButton(
onPressed: cancelCalib,
child: const Text(
"Cancel",
style: TextStyle(
color: Colors.red
),
)
)
]
)
)
)
)
)
: (calibrated
? Column(
children: [
SizedBox(
height: MediaQuery.of(context).size.height * 0.5,
child: Container(
padding: EdgeInsets.fromLTRB(0, 20, 0, 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
width: MediaQuery.of(context).size.width * 0.15,
),
Stack(
children: [
// Background image
Align(
alignment: Alignment.center,
child: Image.asset(
imagePath,
// fit: BoxFit.cover,
width: MediaQuery.of(context).size.width * 0.7,
),
),
Align(
alignment: Alignment.center,
child: Container(
margin: EdgeInsets.only(top: MediaQuery.of(context).size.width * 0.05),
height: MediaQuery.of(context).size.width * 0.68,
width: MediaQuery.of(context).size.width * 0.7,
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: List.generate(10, (index) {
return AnimatedContainer(
duration: const Duration(milliseconds: 300),
height: _blindPosition < 5 ?
5.4 * (5 - _blindPosition)
: 5.4 * (_blindPosition - 5),
width: MediaQuery.of(context).size.width * 0.65, // example
color: const Color.fromARGB(255, 121, 85, 72),
);
}),
),
)
)
],
),
// Slider on the side
Expanded(
child: Center(
child: RotatedBox(
quarterTurns: -1,
child: Slider(
value: _blindPosition,
activeColor: Theme.of(context).primaryColorDark,
thumbColor: Theme.of(context).primaryColorLight,
inactiveColor: Theme.of(context).primaryColorDark,
min: 0,
max: 10,
divisions: 10,
onChanged: (value) {
setState(() {
_blindPosition = value;
updateBlindPosition();
});
},
),
),
)
)
],
),
)
),
Container(
padding: EdgeInsets.all(25),
child: Text(
lastSetMessage
),
),
Container(
padding: EdgeInsets.all(10),
child: ElevatedButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => SchedulesScreen()
)
);
},
child: Text(
"Set Schedules"
)
),
)
]
)
: SizedBox(
height: MediaQuery.of(context).size.height * 0.8,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
padding: EdgeInsets.all(20),
child: Text(
"Peripheral Not Calibrated"
),
),
ElevatedButton(
onPressed: calibrate,
child: const Text("Calibrate")
)
],
)
)
)))
: BlindmasterProgressIndicator(),
floatingActionButton: Container(
padding: EdgeInsets.all(25),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
FloatingActionButton(
heroTag: "rename",
tooltip: "Rename Peripheral",
onPressed: rename,
foregroundColor: Theme.of(context).highlightColor,
backgroundColor: Theme.of(context).primaryColorDark,
child: Icon(Icons.drive_file_rename_outline_sharp),
),
FloatingActionButton(
heroTag: "recalibrate",
tooltip: "Recalibrate Peripheral",
onPressed: recalibrate,
foregroundColor: Theme.of(context).highlightColor,
backgroundColor: Theme.of(context).primaryColorDark,
child: Icon(Icons.swap_vert),
),
],
),
),
floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
);
}
}