Files
mywhatsapp/whatsapp_app/lib/screens/chat_screen.dart

412 lines
13 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:image_picker/image_picker.dart';
import '../controllers/chat_controller.dart';
import '../models/conversation_model.dart';
import '../models/message_model.dart';
import '../theme/app_theme.dart';
import '../widgets/message_bubble.dart';
class ChatScreen extends StatelessWidget {
final ConversationModel conversation;
const ChatScreen({super.key, required this.conversation});
@override
Widget build(BuildContext context) {
final ctrl = Get.put(
ChatController(conversation: conversation),
tag: conversation.id,
);
return Scaffold(
backgroundColor: AppTheme.background,
appBar: _buildAppBar(conversation),
body: Column(
children: [
Expanded(child: _buildMessageList(ctrl)),
_buildInputBar(ctrl),
],
),
);
}
AppBar _buildAppBar(ConversationModel chat) => AppBar(
backgroundColor: AppTheme.surface,
leadingWidth: 32,
title: Row(
children: [
_avatar(chat, radius: 18),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
chat.name,
style: const TextStyle(
color: AppTheme.textPrimary,
fontSize: 16,
fontWeight: FontWeight.w600,
),
overflow: TextOverflow.ellipsis,
),
if (chat.isGroup)
const Text(
'Group',
style: TextStyle(color: AppTheme.textSecondary, fontSize: 12),
),
],
),
),
],
),
actions: [
IconButton(
icon: const Icon(Icons.videocam_outlined, color: AppTheme.iconColor),
onPressed: null,
),
IconButton(
icon: const Icon(Icons.call_outlined, color: AppTheme.iconColor),
onPressed: null,
),
IconButton(
icon: const Icon(Icons.more_vert, color: AppTheme.iconColor),
onPressed: null,
),
],
);
Widget _buildMessageList(ChatController ctrl) {
return Obx(() {
if (ctrl.isLoading.value) {
return const Center(
child: CircularProgressIndicator(color: AppTheme.primary),
);
}
final items = ctrl.groupedMessages;
if (items.isEmpty) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.chat_bubble_outline, color: AppTheme.textSecondary.withOpacity(0.5), size: 48),
const SizedBox(height: 12),
Text(
'No messages yet',
style: TextStyle(color: AppTheme.textSecondary.withOpacity(0.8)),
),
],
),
);
}
return ListView.builder(
controller: ctrl.scrollCtrl,
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
itemCount: items.length,
itemBuilder: (_, i) {
final item = items[i];
if (item is String) return _buildDateSeparator(item);
return MessageBubble(message: item as MessageModel);
},
);
});
}
Widget _buildDateSeparator(String label) => Center(
child: Container(
margin: const EdgeInsets.symmetric(vertical: 8),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
decoration: BoxDecoration(
color: AppTheme.surfaceLight,
borderRadius: BorderRadius.circular(12),
),
child: Text(
label,
style: const TextStyle(
color: AppTheme.textSecondary,
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
),
);
Widget _buildInputBar(ChatController ctrl) => Container(
color: AppTheme.surface,
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
child: SafeArea(
child: Obx(() {
if (ctrl.isRecording.value) {
return Row(
children: [
const SizedBox(width: 12),
const Icon(Icons.fiber_manual_record, color: Colors.red, size: 16),
const SizedBox(width: 8),
const Text(
'Recording...',
style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold, fontSize: 14),
),
const SizedBox(width: 12),
Text(
'${(ctrl.recordDuration.value ~/ 60).toString().padLeft(2, '0')}:${(ctrl.recordDuration.value % 60).toString().padLeft(2, '0')}',
style: const TextStyle(color: AppTheme.textPrimary, fontSize: 14, fontFamily: 'monospace'),
),
const Spacer(),
TextButton.icon(
icon: const Icon(Icons.delete, color: Colors.redAccent, size: 18),
label: const Text('Cancel', style: TextStyle(color: Colors.redAccent)),
onPressed: ctrl.cancelRecording,
),
const SizedBox(width: 8),
GestureDetector(
onTap: ctrl.stopAndSendRecording,
child: Container(
width: 44,
height: 44,
decoration: const BoxDecoration(
color: AppTheme.primary,
shape: BoxShape.circle,
),
child: const Icon(Icons.check, color: Colors.white, size: 20),
),
),
const SizedBox(width: 8),
],
);
}
return Row(
children: [
// Attachment button
IconButton(
icon: const Icon(Icons.add, color: AppTheme.primary, size: 28),
onPressed: () => _showAttachmentSheet(ctrl),
),
// Input
Expanded(
child: TextField(
controller: ctrl.inputCtrl,
style: const TextStyle(color: AppTheme.textPrimary),
maxLines: 5,
minLines: 1,
textCapitalization: TextCapitalization.sentences,
decoration: InputDecoration(
hintText: 'Message',
hintStyle: const TextStyle(color: AppTheme.textSecondary),
filled: true,
fillColor: AppTheme.surfaceLight,
contentPadding: const EdgeInsets.symmetric(
horizontal: 16, vertical: 10,
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(24),
borderSide: BorderSide.none,
),
),
onSubmitted: (_) => ctrl.sendMessage(),
),
),
const SizedBox(width: 8),
// Dynamic Send / Mic Button
GestureDetector(
onTap: () {
if (ctrl.hasText.value) {
ctrl.sendMessage();
} else {
ctrl.startRecording();
}
},
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
width: 48,
height: 48,
decoration: const BoxDecoration(
color: AppTheme.primary,
shape: BoxShape.circle,
),
child: ctrl.isSending.value
? const Padding(
padding: EdgeInsets.all(12),
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: Icon(
ctrl.hasText.value ? Icons.send : Icons.mic,
color: Colors.white,
size: 20,
),
),
),
const SizedBox(width: 4),
],
);
}),
),
);
void _showAttachmentSheet(ChatController ctrl) {
Get.bottomSheet(
Container(
decoration: const BoxDecoration(
color: AppTheme.surface,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(20),
topRight: Radius.circular(20),
),
),
padding: const EdgeInsets.symmetric(vertical: 24, horizontal: 16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 40,
height: 4,
decoration: BoxDecoration(
color: AppTheme.textSecondary.withOpacity(0.3),
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(height: 24),
const Text(
'Send Media Attachment',
style: TextStyle(
color: AppTheme.textPrimary,
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 24),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
_buildAttachmentItem(
icon: Icons.camera_alt,
color: Colors.green,
label: 'Camera',
onTap: () {
Get.back();
_pickAndSendImage(ctrl, ImageSource.camera);
},
),
_buildAttachmentItem(
icon: Icons.photo_library,
color: Colors.purple,
label: 'Gallery',
onTap: () {
Get.back();
_pickAndSendImage(ctrl, ImageSource.gallery);
},
),
_buildAttachmentItem(
icon: Icons.mic,
color: Colors.orange,
label: 'Voice Note',
onTap: () {
Get.back();
// 100% valid MP3 silent audio base64 snippet to prevent getAudioDuration errors
const base64Audio = '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';
ctrl.sendMediaMessage(
base64Audio,
'audio/mp3',
'voice_note.mp3',
);
},
),
],
),
const SizedBox(height: 16),
],
),
),
barrierColor: Colors.black.withOpacity(0.5),
);
}
void _pickAndSendImage(ChatController ctrl, ImageSource source) async {
try {
final ImagePicker picker = ImagePicker();
final XFile? image = await picker.pickImage(
source: source,
imageQuality: 75,
);
if (image == null) return;
final bytes = await image.readAsBytes();
final base64String = base64Encode(bytes);
String mimetype = 'image/jpeg';
if (image.path.toLowerCase().endsWith('.png')) {
mimetype = 'image/png';
} else if (image.path.toLowerCase().endsWith('.gif')) {
mimetype = 'image/gif';
}
await ctrl.sendMediaMessage(
base64String,
mimetype,
image.name,
caption: '📸 Photo sent via Mywhatsapp!',
);
} catch (e) {
Get.snackbar(
'Error picking image',
e.toString(),
backgroundColor: Colors.redAccent.withOpacity(0.8),
colorText: Colors.white,
);
}
}
Widget _buildAttachmentItem({
required IconData icon,
required Color color,
required String label,
required VoidCallback onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Column(
children: [
CircleAvatar(
radius: 28,
backgroundColor: color.withOpacity(0.15),
child: Icon(icon, color: color, size: 28),
),
const SizedBox(height: 8),
Text(
label,
style: const TextStyle(color: AppTheme.textPrimary, fontSize: 12),
),
],
),
);
}
Widget _avatar(ConversationModel chat, {double radius = 24}) {
if (chat.avatar != null) {
return CircleAvatar(
radius: radius,
backgroundImage: NetworkImage(chat.avatar!),
backgroundColor: AppTheme.surfaceLight,
);
}
return CircleAvatar(
radius: radius,
backgroundColor: AppTheme.primaryDark,
child: Text(
chat.name.isNotEmpty ? chat.name[0].toUpperCase() : '?',
style: const TextStyle(
color: Colors.white,
fontWeight: FontWeight.bold,
),
),
);
}
}