254 lines
11 KiB
Dart
254 lines
11 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../core/app_colors.dart';
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import '../../database/db_helper.dart';
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import '../../services/auth_service.dart';
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class ReporteChatScreen extends StatefulWidget {
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final int reporteId;
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final String folio;
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final bool isClosed;
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const ReporteChatScreen({super.key, required this.reporteId,
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required this.folio, this.isClosed = false});
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@override State<ReporteChatScreen> createState() => _ReporteChatScreenState();
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}
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class _ReporteChatScreenState extends State<ReporteChatScreen> {
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final _ctrl = TextEditingController();
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final _scroll = ScrollController();
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List<Map<String, dynamic>> _msgs = [];
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bool _loading = true;
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Timer? _timer;
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String? _myRol;
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int? _myUserId;
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@override
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void initState() {
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super.initState();
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final auth = context.read<AuthService>();
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_myRol = auth.currentUser?.rol ?? 'CIUDADANO';
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_myUserId = auth.currentUser?.id;
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_load();
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_timer = Timer.periodic(const Duration(seconds: 4), (_) => _load());
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}
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Future<void> _load() async {
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// Cargar TODOS los mensajes del reporte sin filtro de rol
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final msgs = await DbHelper.getChatMsgs(widget.reporteId);
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// Marcar como leídos los que NO son míos
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if (_myRol != null) {
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try {
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await DbHelper.markChatRead(widget.reporteId, _myRol!);
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} catch (_) {}
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}
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if (mounted) {
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setState(() { _msgs = msgs; _loading = false; });
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_scrollToBottom();
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}
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}
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void _scrollToBottom() {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_scroll.hasClients) {
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_scroll.animateTo(_scroll.position.maxScrollExtent,
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duration: const Duration(milliseconds: 200), curve: Curves.easeOut);
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}
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});
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}
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Future<void> _send() async {
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final text = _ctrl.text.trim();
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if (text.isEmpty || _myRol == null || _myUserId == null) return;
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_ctrl.clear();
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await DbHelper.insertChatMsg(widget.reporteId, _myUserId!, _myRol!, text);
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await _load();
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}
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bool _isMe(Map<String, dynamic> msg) {
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// Un mensaje es mío si fue enviado con el mismo rol (admin ve sus msgs, ciudadano ve los suyos)
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final msgRol = msg['rol'] as String? ?? '';
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final msgUserId = msg['user_id'] as int?;
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// Comparar por user_id si disponible, sino por rol
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if (_myUserId != null && msgUserId != null) return msgUserId == _myUserId;
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return msgRol == _myRol;
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}
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@override
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Widget build(BuildContext context) {
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final isAdmin = _myRol == 'ADMINISTRADOR';
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return Scaffold(
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backgroundColor: AppColors.grisFondo,
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appBar: AppBar(
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backgroundColor: AppColors.guindaPrimary, foregroundColor: Colors.white,
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title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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const Text('Chat del Reporte',
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.bold)),
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Text('Folio: ${widget.folio}',
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style: const TextStyle(fontSize: 11, color: Colors.white70)),
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]),
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bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
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child: Container(height: 4, color: AppColors.dorado)),
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actions: [
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if (widget.isClosed)
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Container(margin: const EdgeInsets.only(right: 12),
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(color: AppColors.verdeExito,
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borderRadius: BorderRadius.circular(12)),
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child: const Text('COMPLETADO',
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style: TextStyle(fontSize: 10, color: Colors.white, fontWeight: FontWeight.bold))),
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IconButton(icon: const Icon(Icons.refresh), onPressed: _load),
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],
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),
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body: Column(children: [
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if (widget.isClosed)
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Container(width: double.infinity, padding: const EdgeInsets.all(10),
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color: AppColors.verdeExito.withOpacity(0.08),
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child: const Row(mainAxisAlignment: MainAxisAlignment.center, children: [
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Icon(Icons.lock, size: 14, color: AppColors.verdeExito),
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SizedBox(width: 6),
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Text('Reporte completado — Chat cerrado',
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style: TextStyle(fontSize: 12, color: AppColors.verdeExito,
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fontWeight: FontWeight.w600)),
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])),
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// Mensajes
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Expanded(child: _loading
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? const Center(child: CircularProgressIndicator(
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color: AppColors.guindaPrimary))
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: _msgs.isEmpty
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? Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
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const Icon(Icons.chat_bubble_outline, size: 48, color: AppColors.grisTexto),
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const SizedBox(height: 12),
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Text(isAdmin
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? 'Sin mensajes aún. Inicia la conversación.'
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: 'Escribe tu mensaje al Dir. Gral. Servicios Municipales.',
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style: const TextStyle(color: AppColors.grisTexto),
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textAlign: TextAlign.center),
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]))
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: ListView.builder(
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controller: _scroll,
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padding: const EdgeInsets.fromLTRB(12, 12, 12, 4),
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itemCount: _msgs.length,
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itemBuilder: (_, i) {
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final m = _msgs[i];
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final me = _isMe(m);
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final rol = m['rol'] as String? ?? '';
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final fecha = DateTime.tryParse(m['fecha'] as String? ?? '');
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final hora = fecha != null
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? '${fecha.hour.toString().padLeft(2,'0')}:${fecha.minute.toString().padLeft(2,'0')}'
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: '';
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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mainAxisAlignment: me ? MainAxisAlignment.end : MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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if (!me) ...[
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CircleAvatar(radius: 16,
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backgroundColor: AppColors.guindaPrimary.withOpacity(0.15),
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child: Icon(
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rol == 'ADMINISTRADOR' ? Icons.admin_panel_settings : Icons.person,
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size: 15, color: AppColors.guindaPrimary)),
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const SizedBox(width: 6),
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],
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Flexible(child: Container(
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constraints: BoxConstraints(
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maxWidth: MediaQuery.of(context).size.width * 0.72),
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
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decoration: BoxDecoration(
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color: me ? AppColors.guindaPrimary : Colors.white,
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borderRadius: BorderRadius.only(
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topLeft: const Radius.circular(18),
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topRight: const Radius.circular(18),
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bottomLeft: Radius.circular(me ? 18 : 4),
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bottomRight: Radius.circular(me ? 4 : 18),
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),
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boxShadow: [BoxShadow(
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color: Colors.black.withOpacity(0.07),
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blurRadius: 4, offset: const Offset(0, 2))],
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),
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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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if (!me) ...[
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Text(
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rol == 'ADMINISTRADOR' ? 'Dir. Gral. Servicios Municipales' : 'Ciudadano',
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style: const TextStyle(fontSize: 10,
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fontWeight: FontWeight.bold,
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color: AppColors.guindaPrimary)),
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const SizedBox(height: 2),
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],
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Text(m['mensaje'] as String? ?? '',
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style: TextStyle(fontSize: 13, height: 1.4,
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color: me ? Colors.white : AppColors.negroTexto)),
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const SizedBox(height: 2),
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Align(alignment: Alignment.bottomRight,
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child: Text(hora, style: TextStyle(fontSize: 9,
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color: me ? Colors.white54 : AppColors.grisTexto))),
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],
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),
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)),
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if (me) const SizedBox(width: 6),
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],
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),
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);
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})),
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// Input
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if (!widget.isClosed)
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Container(
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padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
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decoration: BoxDecoration(
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color: Colors.white,
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boxShadow: [BoxShadow(color: Colors.black.withOpacity(0.08),
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blurRadius: 6, offset: const Offset(0, -2))]),
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child: SafeArea(top: false, child: Row(children: [
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Expanded(child: TextField(
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controller: _ctrl,
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maxLines: 4, minLines: 1,
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textCapitalization: TextCapitalization.sentences,
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decoration: InputDecoration(
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hintText: isAdmin
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? 'Responde al ciudadano...'
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: 'Escribe al Dir. Gral. Servicios Municipales...',
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(24),
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borderSide: BorderSide.none),
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filled: true, fillColor: AppColors.grisFondo,
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
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isDense: true,
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),
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onSubmitted: (_) => _send(),
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)),
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const SizedBox(width: 8),
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CircleAvatar(
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radius: 24,
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backgroundColor: AppColors.guindaPrimary,
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child: IconButton(
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icon: const Icon(Icons.send, color: Colors.white, size: 20),
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onPressed: _send)),
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])))
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else
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Container(
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padding: const EdgeInsets.all(14), color: Colors.white,
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child: const Row(mainAxisAlignment: MainAxisAlignment.center, children: [
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Icon(Icons.lock_outline, size: 16, color: AppColors.grisTexto),
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SizedBox(width: 6),
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Text('Chat cerrado — Reporte completado',
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style: TextStyle(color: AppColors.grisTexto, fontSize: 12)),
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])),
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]),
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);
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}
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@override
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void dispose() {
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_ctrl.dispose(); _scroll.dispose(); _timer?.cancel();
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super.dispose();
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}
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}
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