Files
mywhatsapp/whatsapp_app/lib/screens/chat_screen.dart
2026-05-19 23:27:14 +03:00

550 lines
18 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:cached_network_image/cached_network_image.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,
);
final isDark = AppTheme.isDark(context);
return Scaffold(
backgroundColor: AppTheme.chatBackground(context),
appBar: _buildAppBar(context, conversation, ctrl),
body: Column(
children: [
Expanded(child: _buildMessageList(context, ctrl)),
_buildInputBar(context, ctrl),
],
),
);
}
PreferredSizeWidget _buildAppBar(
BuildContext context,
ConversationModel chat,
ChatController ctrl,
) {
final isDark = AppTheme.isDark(context);
return AppBar(
backgroundColor: AppTheme.surface(context),
leadingWidth: 36,
titleSpacing: 0,
title: InkWell(
onTap: () {}, // Future: open contact info
child: Row(
children: [
_buildAppBarAvatar(context, chat),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text(
chat.name,
style: TextStyle(
color: isDark ? AppTheme.darkTextPrimary : Colors.white,
fontSize: 16,
fontWeight: FontWeight.w600,
),
overflow: TextOverflow.ellipsis,
maxLines: 1,
),
// Status line
_buildStatusLine(context, chat, ctrl),
],
),
),
],
),
),
actions: [
IconButton(
icon: Icon(
Icons.videocam_outlined,
color: isDark ? AppTheme.darkTextSecondary : Colors.white,
),
onPressed: null,
),
IconButton(
icon: Icon(
Icons.call_outlined,
color: isDark ? AppTheme.darkTextSecondary : Colors.white,
),
onPressed: null,
),
IconButton(
icon: Icon(
Icons.more_vert,
color: isDark ? AppTheme.darkTextSecondary : Colors.white,
),
onPressed: null,
),
],
);
}
Widget _buildStatusLine(
BuildContext context,
ConversationModel chat,
ChatController ctrl,
) {
final isDark = AppTheme.isDark(context);
final color = isDark
? AppTheme.darkTextSecondary
: Colors.white.withOpacity(0.85);
if (chat.isGroup) {
return Obx(() {
final count = ctrl.messages.length;
return Text(
count > 0 ? 'tap for group info' : 'Group',
style: TextStyle(color: color, fontSize: 12),
maxLines: 1,
overflow: TextOverflow.ellipsis,
);
});
}
// For 1:1 chats, show "online" placeholder or nothing
// (Real status would come from the bridge server)
return Text(
'',
style: TextStyle(color: color, fontSize: 12),
);
}
Widget _buildAppBarAvatar(BuildContext context, ConversationModel chat) {
final isDark = AppTheme.isDark(context);
final fallbackBg = isDark
? const Color(0xff2a3942)
: Colors.white.withOpacity(0.25);
if (chat.avatar != null && chat.avatar!.isNotEmpty) {
return CircleAvatar(
radius: 18,
backgroundColor: fallbackBg,
child: ClipOval(
child: CachedNetworkImage(
imageUrl: chat.avatar!,
width: 36,
height: 36,
fit: BoxFit.cover,
placeholder: (_, __) => _defaultAvatarIcon(chat, fallbackBg),
errorWidget: (_, __, ___) => _defaultAvatarIcon(chat, fallbackBg),
),
),
);
}
return CircleAvatar(
radius: 18,
backgroundColor: fallbackBg,
child: _defaultAvatarIcon(chat, fallbackBg),
);
}
Widget _defaultAvatarIcon(ConversationModel chat, Color bg) {
return Icon(
chat.isGroup ? Icons.group : Icons.person,
color: Colors.white,
size: 20,
);
}
Widget _buildMessageList(BuildContext context, ChatController ctrl) {
return Obx(() {
if (ctrl.isLoading.value && ctrl.messages.isEmpty) {
return 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(context).withOpacity(0.4),
size: 48,
),
const SizedBox(height: 12),
Text(
'No messages yet',
style: TextStyle(
color: AppTheme.textSecondary(context).withOpacity(0.8)),
),
],
),
);
}
return ListView.builder(
controller: ctrl.scrollCtrl,
padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
itemCount: items.length,
itemBuilder: (_, i) {
final item = items[i];
if (item is String) return _buildDateSeparator(context, item);
return MessageBubble(message: item as MessageModel);
},
);
});
}
Widget _buildDateSeparator(BuildContext context, String label) {
final isDark = AppTheme.isDark(context);
return Center(
child: Container(
margin: const EdgeInsets.symmetric(vertical: 8),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
decoration: BoxDecoration(
color: isDark
? const Color(0xff1d2b33)
: const Color(0xffd1f4cc),
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.08),
blurRadius: 2,
offset: const Offset(0, 1),
),
],
),
child: Text(
label,
style: TextStyle(
color: isDark
? AppTheme.darkTextSecondary
: const Color(0xff54656f),
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
),
);
}
Widget _buildInputBar(BuildContext context, ChatController ctrl) {
final isDark = AppTheme.isDark(context);
final barBg = isDark ? AppTheme.darkBackground : AppTheme.lightBackground;
final inputBg = isDark ? AppTheme.darkSurfaceLight : AppTheme.lightSurfaceLight;
return Container(
color: barBg,
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
child: SafeArea(
child: Obx(() {
// ── Recording UI ─────────────────────────────────────────────────
if (ctrl.isRecording.value) {
return Row(
children: [
const SizedBox(width: 12),
const Icon(Icons.fiber_manual_record,
color: Colors.red, size: 14),
const SizedBox(width: 6),
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: TextStyle(
color: AppTheme.textPrimary(context),
fontSize: 14,
fontFeatures: [FontFeature.tabularFigures()]),
),
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),
],
);
}
// ── Normal Input ─────────────────────────────────────────────────
return Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
// ── Text input field ─────────────────────────────────────────
Expanded(
child: Container(
decoration: BoxDecoration(
color: inputBg,
borderRadius: BorderRadius.circular(24),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
// Emoji button
IconButton(
icon: Icon(Icons.emoji_emotions_outlined,
color: AppTheme.textSecondary(context)),
onPressed: null,
padding: const EdgeInsets.only(bottom: 2),
),
Expanded(
child: TextField(
controller: ctrl.inputCtrl,
style: TextStyle(
color: AppTheme.textPrimary(context),
fontSize: 15),
maxLines: 5,
minLines: 1,
textCapitalization: TextCapitalization.sentences,
decoration: InputDecoration(
hintText: 'Message',
hintStyle: TextStyle(
color: AppTheme.textSecondary(context)),
border: InputBorder.none,
contentPadding: const EdgeInsets.symmetric(
vertical: 10,
),
),
),
),
// Attachment button
IconButton(
icon: Icon(Icons.attach_file,
color: AppTheme.textSecondary(context)),
onPressed: () => _showAttachmentSheet(context, ctrl),
padding: const EdgeInsets.only(bottom: 2),
),
// Camera button (only when no text)
Obx(() => ctrl.hasText.value
? const SizedBox.shrink()
: IconButton(
icon: Icon(Icons.camera_alt_outlined,
color: AppTheme.textSecondary(context)),
onPressed: () =>
_pickAndSendImage(ctrl, ImageSource.camera),
padding: const EdgeInsets.only(bottom: 2, right: 4),
)),
],
),
),
),
const SizedBox(width: 8),
// ── 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(13),
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: Obx(() => Icon(
ctrl.hasText.value
? Icons.send_rounded
: Icons.mic_rounded,
color: Colors.white,
size: 22,
)),
),
),
],
);
}),
),
);
}
void _showAttachmentSheet(BuildContext context, ChatController ctrl) {
final isDark = AppTheme.isDark(context);
Get.bottomSheet(
Container(
decoration: BoxDecoration(
color: isDark ? AppTheme.darkSurface : Colors.white,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(20),
topRight: Radius.circular(20),
),
),
padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 36,
height: 4,
decoration: BoxDecoration(
color: AppTheme.textSecondary(context).withOpacity(0.3),
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(height: 20),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
_buildAttachmentItem(
context: context,
icon: Icons.photo_library_rounded,
color: const Color(0xff7c4dff),
label: 'Gallery',
onTap: () {
Get.back();
_pickAndSendImage(ctrl, ImageSource.gallery);
},
),
_buildAttachmentItem(
context: context,
icon: Icons.camera_alt_rounded,
color: const Color(0xffff4081),
label: 'Camera',
onTap: () {
Get.back();
_pickAndSendImage(ctrl, ImageSource.camera);
},
),
_buildAttachmentItem(
context: context,
icon: Icons.insert_drive_file_rounded,
color: const Color(0xff2196f3),
label: 'Document',
onTap: () => Get.back(),
),
_buildAttachmentItem(
context: context,
icon: Icons.mic_rounded,
color: const Color(0xffff9800),
label: 'Audio',
onTap: () {
Get.back();
ctrl.startRecording();
},
),
],
),
],
),
),
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,
);
} catch (e) {
Get.snackbar(
'Error picking image',
e.toString(),
backgroundColor: Colors.redAccent.withOpacity(0.8),
colorText: Colors.white,
);
}
}
Widget _buildAttachmentItem({
required BuildContext context,
required IconData icon,
required Color color,
required String label,
required VoidCallback onTap,
}) {
final isDark = AppTheme.isDark(context);
return GestureDetector(
onTap: onTap,
child: Column(
children: [
Container(
width: 54,
height: 54,
decoration: BoxDecoration(
color: color.withOpacity(0.12),
shape: BoxShape.circle,
),
child: Icon(icon, color: color, size: 26),
),
const SizedBox(height: 8),
Text(
label,
style: TextStyle(
color: AppTheme.textPrimary(context), fontSize: 12),
),
],
),
);
}
}