Files
AppRecoleccion/lib/screens/shared/reporte_chat_screen.dart
2026-05-23 07:39:29 -06:00

175 lines
9.1 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../core/app_colors.dart';
import '../../database/db_helper.dart';
import '../../services/auth_service.dart';
class ReporteChatScreen extends StatefulWidget {
final int reporteId;
final String folio;
final bool isClosed;
const ReporteChatScreen({super.key, required this.reporteId,
required this.folio, this.isClosed = false});
@override State<ReporteChatScreen> createState() => _ReporteChatScreenState();
}
class _ReporteChatScreenState extends State<ReporteChatScreen> {
final _ctrl = TextEditingController();
final _scroll = ScrollController();
List<Map<String, dynamic>> _msgs = [];
bool _loading = true;
Timer? _timer;
@override void initState() { super.initState(); _load();
_timer = Timer.periodic(const Duration(seconds: 5), (_) => _load()); }
Future<void> _load() async {
final auth = context.read<AuthService>();
final rol = auth.currentUser?.rol ?? 'CIUDADANO';
final msgs = await DbHelper.getChatMsgs(widget.reporteId);
await DbHelper.markChatRead(widget.reporteId, rol);
if (mounted) {
setState(() { _msgs = msgs; _loading = false; });
WidgetsBinding.instance.addPostFrameCallback((_) {
if (_scroll.hasClients) _scroll.animateTo(_scroll.position.maxScrollExtent,
duration: const Duration(milliseconds: 200), curve: Curves.easeOut);
});
}
}
Future<void> _send() async {
final text = _ctrl.text.trim();
if (text.isEmpty) return;
final auth = context.read<AuthService>();
final user = auth.currentUser;
if (user == null) return;
_ctrl.clear();
await DbHelper.insertChatMsg(widget.reporteId, user.id!, user.rol, text);
await _load();
}
@override
Widget build(BuildContext context) {
final auth = context.watch<AuthService>();
final myRol = auth.currentUser?.rol ?? 'CIUDADANO';
final isAdmin = myRol == 'ADMINISTRADOR';
final accent = isAdmin ? AppColors.verdeAdmin : AppColors.guindaPrimary;
return Scaffold(
backgroundColor: AppColors.grisFondo,
appBar: AppBar(
backgroundColor: accent, foregroundColor: Colors.white,
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
const Text('Chat del Reporte', style: TextStyle(fontSize: 15, fontWeight: FontWeight.bold)),
Text('Folio: ${widget.folio}', style: const TextStyle(fontSize: 11, color: Colors.white70)),
]),
bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
child: Container(height: 4, color: AppColors.dorado)),
actions: [if (widget.isClosed) Container(margin: const EdgeInsets.only(right: 12),
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(color: AppColors.verdeExito, borderRadius: BorderRadius.circular(12)),
child: const Text('COMPLETADO', style: TextStyle(fontSize: 10,
color: Colors.white, fontWeight: FontWeight.bold)))],
),
body: Column(children: [
if (widget.isClosed) Container(
width: double.infinity, padding: const EdgeInsets.all(10),
color: AppColors.verdeExito.withOpacity(0.08),
child: const Row(mainAxisAlignment: MainAxisAlignment.center, children: [
Icon(Icons.lock, size: 14, color: AppColors.verdeExito),
SizedBox(width: 6),
Text('Reporte completado. Chat cerrado.',
style: TextStyle(fontSize: 12, color: AppColors.verdeExito, fontWeight: FontWeight.w600)),
])),
Expanded(child: _loading
? const Center(child: CircularProgressIndicator())
: _msgs.isEmpty
? Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
Icon(Icons.chat_bubble_outline, size: 48, color: Colors.grey.shade400),
const SizedBox(height: 12),
Text(isAdmin ? 'Inicia la conversacion con el ciudadano'
: 'Escribe tu mensaje al Ayuntamiento',
style: TextStyle(color: Colors.grey.shade500)),
]))
: ListView.builder(
controller: _scroll, padding: const EdgeInsets.all(12),
itemCount: _msgs.length,
itemBuilder: (_, i) {
final m = _msgs[i];
final rol = m['rol'] as String;
final isMe = rol == myRol;
final fecha = DateTime.tryParse(m['fecha'] as String? ?? '');
final hora = fecha != null
? '${fecha.hour.toString().padLeft(2,'0')}:${fecha.minute.toString().padLeft(2,'0')}' : '';
return Padding(
padding: const EdgeInsets.symmetric(vertical: 3),
child: Row(
mainAxisAlignment: isMe ? MainAxisAlignment.end : MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
if (!isMe) ...[
CircleAvatar(radius: 14,
backgroundColor: (rol=='ADMINISTRADOR' ? AppColors.verdeAdmin : AppColors.guindaPrimary).withOpacity(0.15),
child: Icon(rol=='ADMINISTRADOR' ? Icons.admin_panel_settings : Icons.person,
size: 14, color: rol=='ADMINISTRADOR' ? AppColors.verdeAdmin : AppColors.guindaPrimary)),
const SizedBox(width: 6),
],
Flexible(child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: isMe ? accent : Colors.white,
borderRadius: BorderRadius.only(
topLeft: const Radius.circular(16), topRight: const Radius.circular(16),
bottomLeft: Radius.circular(isMe ? 16 : 4),
bottomRight: Radius.circular(isMe ? 4 : 16),
),
boxShadow: [BoxShadow(color: Colors.black.withOpacity(0.07), blurRadius: 4)],
),
child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
if (!isMe) Text(rol=='ADMINISTRADOR' ? 'Ayuntamiento' : 'Ciudadano',
style: TextStyle(fontSize: 10, fontWeight: FontWeight.bold,
color: rol=='ADMINISTRADOR' ? AppColors.verdeAdmin : AppColors.guindaPrimary)),
Text(m['mensaje'] as String? ?? '',
style: TextStyle(fontSize: 13, height: 1.4,
color: isMe ? Colors.white : AppColors.negroTexto)),
Text(hora, style: TextStyle(fontSize: 9,
color: isMe ? Colors.white60 : AppColors.grisTexto)),
]),
)),
if (isMe) const SizedBox(width: 6),
],
),
);
})),
if (!widget.isClosed) Container(
padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
decoration: BoxDecoration(color: Colors.white,
boxShadow: [BoxShadow(color: Colors.black12, blurRadius: 4, offset: const Offset(0,-2))]),
child: SafeArea(top: false, child: Row(children: [
Expanded(child: TextField(
controller: _ctrl, maxLines: 3, minLines: 1,
textCapitalization: TextCapitalization.sentences,
decoration: InputDecoration(
hintText: isAdmin ? 'Responde al ciudadano...' : 'Escribe al Ayuntamiento...',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(24), borderSide: BorderSide.none),
filled: true, fillColor: AppColors.grisFondo,
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10), isDense: true),
)),
const SizedBox(width: 8),
CircleAvatar(radius: 22, backgroundColor: accent,
child: IconButton(icon: const Icon(Icons.send, color: Colors.white, size: 18), onPressed: _send)),
])))
else Container(padding: const EdgeInsets.all(14), color: Colors.white,
child: const Row(mainAxisAlignment: MainAxisAlignment.center, children: [
Icon(Icons.lock_outline, size: 16, color: AppColors.grisTexto),
SizedBox(width: 6),
Text('Chat cerrado', style: TextStyle(color: AppColors.grisTexto, fontSize: 12)),
])),
]),
);
}
@override void dispose() { _ctrl.dispose(); _scroll.dispose(); _timer?.cancel(); super.dispose(); }
}