550 lines
18 KiB
Dart
550 lines
18 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:get/get.dart';
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import 'package:image_picker/image_picker.dart';
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import '../controllers/chat_controller.dart';
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import '../models/conversation_model.dart';
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import '../models/message_model.dart';
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import '../theme/app_theme.dart';
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import '../widgets/message_bubble.dart';
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class ChatScreen extends StatelessWidget {
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final ConversationModel conversation;
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const ChatScreen({super.key, required this.conversation});
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@override
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Widget build(BuildContext context) {
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final ctrl = Get.put(
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ChatController(conversation: conversation),
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tag: conversation.id,
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);
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final isDark = AppTheme.isDark(context);
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return Scaffold(
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backgroundColor: AppTheme.chatBackground(context),
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appBar: _buildAppBar(context, conversation, ctrl),
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body: Column(
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children: [
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Expanded(child: _buildMessageList(context, ctrl)),
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_buildInputBar(context, ctrl),
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],
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),
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);
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}
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PreferredSizeWidget _buildAppBar(
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BuildContext context,
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ConversationModel chat,
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ChatController ctrl,
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) {
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final isDark = AppTheme.isDark(context);
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return AppBar(
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backgroundColor: AppTheme.surface(context),
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leadingWidth: 36,
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titleSpacing: 0,
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title: InkWell(
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onTap: () {}, // Future: open contact info
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child: Row(
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children: [
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_buildAppBarAvatar(context, chat),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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chat.name,
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style: TextStyle(
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color: isDark ? AppTheme.darkTextPrimary : Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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),
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// Status line
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_buildStatusLine(context, chat, ctrl),
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],
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),
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),
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],
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),
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),
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actions: [
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IconButton(
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icon: Icon(
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Icons.videocam_outlined,
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color: isDark ? AppTheme.darkTextSecondary : Colors.white,
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),
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onPressed: null,
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),
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IconButton(
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icon: Icon(
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Icons.call_outlined,
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color: isDark ? AppTheme.darkTextSecondary : Colors.white,
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),
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onPressed: null,
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),
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IconButton(
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icon: Icon(
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Icons.more_vert,
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color: isDark ? AppTheme.darkTextSecondary : Colors.white,
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),
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onPressed: null,
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),
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],
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);
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}
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Widget _buildStatusLine(
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BuildContext context,
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ConversationModel chat,
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ChatController ctrl,
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) {
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final isDark = AppTheme.isDark(context);
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final color = isDark
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? AppTheme.darkTextSecondary
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: Colors.white.withOpacity(0.85);
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if (chat.isGroup) {
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return Obx(() {
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final count = ctrl.messages.length;
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return Text(
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count > 0 ? 'tap for group info' : 'Group',
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style: TextStyle(color: color, fontSize: 12),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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);
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});
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}
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// For 1:1 chats, show "online" placeholder or nothing
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// (Real status would come from the bridge server)
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return Text(
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'',
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style: TextStyle(color: color, fontSize: 12),
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);
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}
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Widget _buildAppBarAvatar(BuildContext context, ConversationModel chat) {
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final isDark = AppTheme.isDark(context);
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final fallbackBg = isDark
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? const Color(0xff2a3942)
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: Colors.white.withOpacity(0.25);
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if (chat.avatar != null && chat.avatar!.isNotEmpty) {
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return CircleAvatar(
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radius: 18,
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backgroundColor: fallbackBg,
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child: ClipOval(
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child: CachedNetworkImage(
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imageUrl: chat.avatar!,
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width: 36,
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height: 36,
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fit: BoxFit.cover,
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placeholder: (_, __) => _defaultAvatarIcon(chat, fallbackBg),
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errorWidget: (_, __, ___) => _defaultAvatarIcon(chat, fallbackBg),
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),
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),
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);
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}
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return CircleAvatar(
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radius: 18,
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backgroundColor: fallbackBg,
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child: _defaultAvatarIcon(chat, fallbackBg),
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);
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}
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Widget _defaultAvatarIcon(ConversationModel chat, Color bg) {
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return Icon(
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chat.isGroup ? Icons.group : Icons.person,
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color: Colors.white,
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size: 20,
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);
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}
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Widget _buildMessageList(BuildContext context, ChatController ctrl) {
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return Obx(() {
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if (ctrl.isLoading.value && ctrl.messages.isEmpty) {
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return Center(
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child: CircularProgressIndicator(color: AppTheme.primary),
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);
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}
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final items = ctrl.groupedMessages;
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if (items.isEmpty) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.chat_bubble_outline,
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color: AppTheme.textSecondary(context).withOpacity(0.4),
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size: 48,
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),
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const SizedBox(height: 12),
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Text(
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'No messages yet',
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style: TextStyle(
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color: AppTheme.textSecondary(context).withOpacity(0.8)),
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),
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],
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),
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);
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}
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return ListView.builder(
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controller: ctrl.scrollCtrl,
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padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
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itemCount: items.length,
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itemBuilder: (_, i) {
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final item = items[i];
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if (item is String) return _buildDateSeparator(context, item);
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return MessageBubble(message: item as MessageModel);
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},
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);
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});
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}
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Widget _buildDateSeparator(BuildContext context, String label) {
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final isDark = AppTheme.isDark(context);
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return Center(
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child: Container(
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margin: const EdgeInsets.symmetric(vertical: 8),
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
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decoration: BoxDecoration(
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color: isDark
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? const Color(0xff1d2b33)
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: const Color(0xffd1f4cc),
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borderRadius: BorderRadius.circular(8),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.08),
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blurRadius: 2,
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offset: const Offset(0, 1),
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),
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],
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),
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child: Text(
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label,
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style: TextStyle(
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color: isDark
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? AppTheme.darkTextSecondary
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: const Color(0xff54656f),
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fontSize: 12,
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fontWeight: FontWeight.w500,
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),
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),
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),
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);
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}
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Widget _buildInputBar(BuildContext context, ChatController ctrl) {
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final isDark = AppTheme.isDark(context);
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final barBg = isDark ? AppTheme.darkBackground : AppTheme.lightBackground;
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final inputBg = isDark ? AppTheme.darkSurfaceLight : AppTheme.lightSurfaceLight;
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return Container(
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color: barBg,
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
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child: SafeArea(
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child: Obx(() {
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// ── Recording UI ─────────────────────────────────────────────────
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if (ctrl.isRecording.value) {
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return Row(
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children: [
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const SizedBox(width: 12),
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const Icon(Icons.fiber_manual_record,
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color: Colors.red, size: 14),
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const SizedBox(width: 6),
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const Text(
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'Recording...',
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style: TextStyle(
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color: Colors.red,
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fontWeight: FontWeight.bold,
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fontSize: 14),
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),
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const SizedBox(width: 12),
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Text(
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'${(ctrl.recordDuration.value ~/ 60).toString().padLeft(2, '0')}:${(ctrl.recordDuration.value % 60).toString().padLeft(2, '0')}',
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style: TextStyle(
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color: AppTheme.textPrimary(context),
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fontSize: 14,
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fontFeatures: [FontFeature.tabularFigures()]),
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),
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const Spacer(),
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TextButton.icon(
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icon: const Icon(Icons.delete,
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color: Colors.redAccent, size: 18),
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label: const Text('Cancel',
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style: TextStyle(color: Colors.redAccent)),
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onPressed: ctrl.cancelRecording,
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),
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const SizedBox(width: 8),
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GestureDetector(
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onTap: ctrl.stopAndSendRecording,
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child: Container(
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width: 44,
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height: 44,
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decoration: const BoxDecoration(
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color: AppTheme.primary,
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shape: BoxShape.circle,
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),
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child: const Icon(Icons.check,
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color: Colors.white, size: 20),
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),
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),
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const SizedBox(width: 8),
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],
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);
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}
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// ── Normal Input ─────────────────────────────────────────────────
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return Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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// ── Text input field ─────────────────────────────────────────
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Expanded(
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child: Container(
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decoration: BoxDecoration(
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color: inputBg,
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borderRadius: BorderRadius.circular(24),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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// Emoji button
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IconButton(
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icon: Icon(Icons.emoji_emotions_outlined,
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color: AppTheme.textSecondary(context)),
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onPressed: null,
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padding: const EdgeInsets.only(bottom: 2),
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),
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Expanded(
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child: TextField(
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controller: ctrl.inputCtrl,
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style: TextStyle(
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color: AppTheme.textPrimary(context),
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fontSize: 15),
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maxLines: 5,
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minLines: 1,
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textCapitalization: TextCapitalization.sentences,
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decoration: InputDecoration(
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hintText: 'Message',
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hintStyle: TextStyle(
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color: AppTheme.textSecondary(context)),
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border: InputBorder.none,
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contentPadding: const EdgeInsets.symmetric(
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vertical: 10,
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),
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),
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),
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),
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// Attachment button
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IconButton(
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icon: Icon(Icons.attach_file,
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color: AppTheme.textSecondary(context)),
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onPressed: () => _showAttachmentSheet(context, ctrl),
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padding: const EdgeInsets.only(bottom: 2),
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),
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// Camera button (only when no text)
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Obx(() => ctrl.hasText.value
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? const SizedBox.shrink()
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: IconButton(
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icon: Icon(Icons.camera_alt_outlined,
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color: AppTheme.textSecondary(context)),
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onPressed: () =>
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_pickAndSendImage(ctrl, ImageSource.camera),
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padding: const EdgeInsets.only(bottom: 2, right: 4),
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)),
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],
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),
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),
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),
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const SizedBox(width: 8),
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// ── Send / Mic button ─────────────────────────────────────────
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GestureDetector(
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onTap: () {
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if (ctrl.hasText.value) {
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ctrl.sendMessage();
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} else {
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ctrl.startRecording();
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}
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},
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 200),
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width: 48,
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height: 48,
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decoration: const BoxDecoration(
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color: AppTheme.primary,
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shape: BoxShape.circle,
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),
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child: ctrl.isSending.value
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? const Padding(
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padding: EdgeInsets.all(13),
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: Obx(() => Icon(
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ctrl.hasText.value
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? Icons.send_rounded
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: Icons.mic_rounded,
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color: Colors.white,
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size: 22,
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)),
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),
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),
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],
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);
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}),
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),
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);
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}
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void _showAttachmentSheet(BuildContext context, ChatController ctrl) {
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final isDark = AppTheme.isDark(context);
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Get.bottomSheet(
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Container(
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decoration: BoxDecoration(
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color: isDark ? AppTheme.darkSurface : Colors.white,
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(20),
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topRight: Radius.circular(20),
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),
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),
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 36,
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height: 4,
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decoration: BoxDecoration(
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color: AppTheme.textSecondary(context).withOpacity(0.3),
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(height: 20),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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_buildAttachmentItem(
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context: context,
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icon: Icons.photo_library_rounded,
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color: const Color(0xff7c4dff),
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label: 'Gallery',
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onTap: () {
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Get.back();
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_pickAndSendImage(ctrl, ImageSource.gallery);
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},
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),
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_buildAttachmentItem(
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context: context,
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icon: Icons.camera_alt_rounded,
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color: const Color(0xffff4081),
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label: 'Camera',
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onTap: () {
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Get.back();
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_pickAndSendImage(ctrl, ImageSource.camera);
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},
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),
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_buildAttachmentItem(
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context: context,
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icon: Icons.insert_drive_file_rounded,
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color: const Color(0xff2196f3),
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label: 'Document',
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onTap: () => Get.back(),
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),
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_buildAttachmentItem(
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context: context,
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icon: Icons.mic_rounded,
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color: const Color(0xffff9800),
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label: 'Audio',
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onTap: () {
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Get.back();
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ctrl.startRecording();
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},
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),
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],
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),
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],
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),
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),
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barrierColor: Colors.black.withOpacity(0.5),
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);
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}
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void _pickAndSendImage(ChatController ctrl, ImageSource source) async {
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try {
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final ImagePicker picker = ImagePicker();
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final XFile? image = await picker.pickImage(
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source: source,
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imageQuality: 75,
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);
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if (image == null) return;
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final bytes = await image.readAsBytes();
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final base64String = base64Encode(bytes);
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String mimetype = 'image/jpeg';
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if (image.path.toLowerCase().endsWith('.png')) {
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mimetype = 'image/png';
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} else if (image.path.toLowerCase().endsWith('.gif')) {
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mimetype = 'image/gif';
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}
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await ctrl.sendMediaMessage(
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base64String,
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mimetype,
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image.name,
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);
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} catch (e) {
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Get.snackbar(
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'Error picking image',
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e.toString(),
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backgroundColor: Colors.redAccent.withOpacity(0.8),
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colorText: Colors.white,
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);
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}
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}
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Widget _buildAttachmentItem({
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required BuildContext context,
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required IconData icon,
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required Color color,
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required String label,
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required VoidCallback onTap,
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}) {
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final isDark = AppTheme.isDark(context);
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return GestureDetector(
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onTap: onTap,
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child: Column(
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children: [
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Container(
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width: 54,
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height: 54,
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decoration: BoxDecoration(
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color: color.withOpacity(0.12),
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shape: BoxShape.circle,
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),
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child: Icon(icon, color: color, size: 26),
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),
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const SizedBox(height: 8),
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Text(
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label,
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style: TextStyle(
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color: AppTheme.textPrimary(context), fontSize: 12),
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),
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],
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),
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);
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}
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}
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