#!/bin/bash

# Script per generare tutti i file mancanti dell'app ASE Monitor
# Questo script crea automaticamente tutte le schermate e widget

set -e

echo "========================================"
echo "  ASE Monitor - Generatore File App"
echo "========================================"
echo ""

cd "$(dirname "$0")"

# Colori per output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Verifica che siamo nella directory giusta
if [ ! -f "pubspec.yaml" ]; then
    echo "Errore: esegui questo script dalla root del progetto Flutter"
    exit 1
fi

echo -e "${BLUE}Creando struttura directory...${NC}"
mkdir -p lib/screens
mkdir -p lib/widgets

# Conta file esistenti
EXISTING=$(find lib -name "*.dart" | wc -l)
echo -e "${GREEN}✓${NC} File Dart esistenti: $EXISTING"
echo ""

echo -e "${BLUE}Generando file mancanti...${NC}"
echo ""

# ===========================================
# SCREENS
# ===========================================

# --- Login Screen ---
echo "Creando lib/screens/login_screen.dart..."
cat > lib/screens/login_screen.dart << 'DART_EOF'
import 'package:flutter/material.dart';
import '../utils/constants.dart';
import '../services/auth_service.dart';
import 'home_screen.dart';

class LoginScreen extends StatefulWidget {
  const LoginScreen({super.key});

  @override
  State<LoginScreen> createState() => _LoginScreenState();
}

class _LoginScreenState extends State<LoginScreen> {
  final _formKey = GlobalKey<FormState>();
  final _emailController = TextEditingController();
  final _passwordController = TextEditingController();
  final _authService = AuthService();

  bool _isLoading = false;
  bool _obscurePassword = true;
  String? _errorMessage;

  @override
  void dispose() {
    _emailController.dispose();
    _passwordController.dispose();
    super.dispose();
  }

  Future<void> _handleLogin() async {
    if (!_formKey.currentState!.validate()) return;

    setState(() {
      _isLoading = true;
      _errorMessage = null;
    });

    try {
      final success = await _authService.login(
        _emailController.text.trim(),
        _passwordController.text,
      );

      if (success && mounted) {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const HomeScreen()),
        );
      } else {
        setState(() {
          _errorMessage = 'Email o password non corretti';
        });
      }
    } catch (e) {
      setState(() {
        _errorMessage = 'Errore durante il login';
      });
    } finally {
      if (mounted) {
        setState(() {
          _isLoading = false;
        });
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        decoration: const BoxDecoration(
          gradient: AppColors.primaryGradient,
        ),
        child: SafeArea(
          child: Center(
            child: SingleChildScrollView(
              padding: const EdgeInsets.all(AppSizes.paddingL),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  _buildHeader(),
                  const SizedBox(height: 60),
                  _buildLoginCard(),
                  const SizedBox(height: AppSizes.paddingL),
                  _buildFooter(),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  Widget _buildHeader() {
    return Column(
      children: [
        Container(
          width: 120,
          height: 120,
          decoration: BoxDecoration(
            color: Colors.white,
            shape: BoxShape.circle,
            boxShadow: [
              BoxShadow(
                color: Colors.black.withOpacity(0.2),
                blurRadius: 20,
                offset: const Offset(0, 10),
              ),
            ],
          ),
          child: const Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Icon(Icons.terrain, size: 50, color: AppColors.primary),
                SizedBox(height: 4),
                Text('ASE', style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: AppColors.primary)),
              ],
            ),
          ),
        ),
        const SizedBox(height: AppSizes.paddingL),
        const Text('ASE Monitor', style: TextStyle(fontSize: 32, fontWeight: FontWeight.bold, color: Colors.white)),
        const SizedBox(height: AppSizes.paddingS),
        Text('Advanced Slope Engineering', style: TextStyle(fontSize: 16, color: Colors.white.withOpacity(0.9))),
      ],
    );
  }

  Widget _buildLoginCard() {
    return Card(
      elevation: 8,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppSizes.radiusL)),
      child: Padding(
        padding: const EdgeInsets.all(AppSizes.paddingL),
        child: Form(
          key: _formKey,
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              const Text('Accedi', style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold), textAlign: TextAlign.center),
              const SizedBox(height: AppSizes.paddingL),
              TextFormField(
                controller: _emailController,
                keyboardType: TextInputType.emailAddress,
                decoration: const InputDecoration(labelText: 'Email', hintText: 'nome@azienda.it', prefixIcon: Icon(Icons.email_outlined)),
                validator: (value) {
                  if (value == null || value.isEmpty) return 'Inserisci email';
                  if (!value.contains('@')) return 'Email non valida';
                  return null;
                },
              ),
              const SizedBox(height: AppSizes.paddingM),
              TextFormField(
                controller: _passwordController,
                obscureText: _obscurePassword,
                decoration: InputDecoration(
                  labelText: 'Password',
                  prefixIcon: const Icon(Icons.lock_outline),
                  suffixIcon: IconButton(
                    icon: Icon(_obscurePassword ? Icons.visibility_outlined : Icons.visibility_off_outlined),
                    onPressed: () => setState(() => _obscurePassword = !_obscurePassword),
                  ),
                ),
                validator: (value) => (value == null || value.isEmpty) ? 'Inserisci password' : null,
                onFieldSubmitted: (_) => _handleLogin(),
              ),
              if (_errorMessage != null) ...[
                const SizedBox(height: AppSizes.paddingM),
                Container(
                  padding: const EdgeInsets.all(AppSizes.paddingM),
                  decoration: BoxDecoration(
                    color: AppColors.critical.withOpacity(0.1),
                    borderRadius: BorderRadius.circular(AppSizes.radiusS),
                  ),
                  child: Row(
                    children: [
                      const Icon(Icons.error_outline, color: AppColors.critical, size: 20),
                      const SizedBox(width: AppSizes.paddingS),
                      Expanded(child: Text(_errorMessage!, style: const TextStyle(color: AppColors.critical))),
                    ],
                  ),
                ),
              ],
              const SizedBox(height: AppSizes.paddingL),
              SizedBox(
                height: AppSizes.buttonHeight,
                child: ElevatedButton(
                  onPressed: _isLoading ? null : _handleLogin,
                  child: _isLoading
                      ? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2, valueColor: AlwaysStoppedAnimation(Colors.white)))
                      : const Row(mainAxisAlignment: MainAxisAlignment.center, children: [Icon(Icons.login), SizedBox(width: 8), Text('Accedi')]),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildFooter() {
    return Column(
      children: [
        Text('Versione ${AppConstants.appVersion}', style: TextStyle(color: Colors.white.withOpacity(0.7), fontSize: 12)),
        const SizedBox(height: 4),
        Text('© 2025 ${AppConstants.companyName}', style: TextStyle(color: Colors.white.withOpacity(0.7), fontSize: 12), textAlign: TextAlign.center),
      ],
    );
  }
}
DART_EOF

echo -e "${GREEN}✓${NC} login_screen.dart creato"

# --- Home Screen ---
echo "Creando lib/screens/home_screen.dart..."
cat > lib/screens/home_screen.dart << 'DART_EOF'
import 'package:flutter/material.dart';
import '../utils/constants.dart';
import '../models/allarme.dart';
import '../services/api_service.dart';
import '../widgets/allarme_card.dart';
import 'profile_screen.dart';

class HomeScreen extends StatefulWidget {
  const HomeScreen({super.key});

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  final _apiService = ApiService();
  List<Allarme> _allarmi = [];
  bool _isLoading = true;
  String? _errorMessage;
  String? _selectedSeverita;

  @override
  void initState() {
    super.initState();
    _loadAllarmi();
  }

  Future<void> _loadAllarmi({bool refresh = false}) async {
    if (refresh) setState(() => _isLoading = true);

    try {
      final response = await _apiService.getAllarmi(severita: _selectedSeverita);
      setState(() {
        _allarmi = response.items;
        _isLoading = false;
      });
    } catch (e) {
      setState(() {
        _errorMessage = 'Errore caricamento allarmi';
        _isLoading = false;
      });
    }
  }

  void _showFilterDialog() {
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Filtri'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            ListTile(
              title: const Text('Tutti'),
              leading: Radio<String?>(value: null, groupValue: _selectedSeverita, onChanged: (val) { Navigator.pop(context); setState(() => _selectedSeverita = val); _loadAllarmi(refresh: true); }),
            ),
            ListTile(
              title: const Text('CRITICO'),
              leading: Radio<String?>(value: 'critical', groupValue: _selectedSeverita, onChanged: (val) { Navigator.pop(context); setState(() => _selectedSeverita = val); _loadAllarmi(refresh: true); }),
            ),
            ListTile(
              title: const Text('AVVISO'),
              leading: Radio<String?>(value: 'warning', groupValue: _selectedSeverita, onChanged: (val) { Navigator.pop(context); setState(() => _selectedSeverita = val); _loadAllarmi(refresh: true); }),
            ),
          ],
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Column(
          children: [Text('ASE Monitor'), Text('Allarmi Attivi', style: TextStyle(fontSize: 12))],
        ),
        actions: [
          IconButton(icon: const Icon(Icons.filter_list), onPressed: _showFilterDialog),
          IconButton(icon: const Icon(Icons.person), onPressed: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const ProfileScreen()))),
        ],
      ),
      body: _isLoading
          ? const Center(child: CircularProgressIndicator())
          : _errorMessage != null
              ? Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [const Icon(Icons.error_outline, size: 64, color: AppColors.critical), Text(_errorMessage!)]))
              : _allarmi.isEmpty
                  ? const Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [Icon(Icons.check_circle_outline, size: 64, color: AppColors.success), SizedBox(height: 16), Text('Nessun allarme', style: AppTextStyles.h3)]))
                  : RefreshIndicator(
                      onRefresh: () => _loadAllarmi(refresh: true),
                      child: ListView.builder(
                        padding: const EdgeInsets.all(AppSizes.paddingM),
                        itemCount: _allarmi.length,
                        itemBuilder: (context, index) => AllarmeCard(allarme: _allarmi[index]),
                      ),
                    ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => _loadAllarmi(refresh: true),
        child: const Icon(Icons.refresh),
      ),
    );
  }
}
DART_EOF

echo -e "${GREEN}✓${NC} home_screen.dart creato"

# --- Profile Screen ---
echo "Creando lib/screens/profile_screen.dart..."
cat > lib/screens/profile_screen.dart << 'DART_EOF'
import 'package:flutter/material.dart';
import '../utils/constants.dart';
import '../services/auth_service.dart';
import 'login_screen.dart';

class ProfileScreen extends StatelessWidget {
  const ProfileScreen({super.key});

  Future<void> _handleLogout(BuildContext context) async {
    final confirmed = await showDialog<bool>(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Conferma Logout'),
        content: const Text('Sei sicuro di voler uscire?'),
        actions: [
          TextButton(onPressed: () => Navigator.pop(context, false), child: const Text('Annulla')),
          ElevatedButton(
            onPressed: () => Navigator.pop(context, true),
            style: ElevatedButton.styleFrom(backgroundColor: AppColors.critical),
            child: const Text('Esci'),
          ),
        ],
      ),
    );

    if (confirmed == true && context.mounted) {
      await AuthService().logout();
      if (context.mounted) {
        Navigator.of(context).pushAndRemoveUntil(MaterialPageRoute(builder: (_) => const LoginScreen()), (_) => false);
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    final user = AuthService().currentUser;

    return Scaffold(
      appBar: AppBar(title: const Text('Profilo')),
      body: user == null
          ? const Center(child: CircularProgressIndicator())
          : SingleChildScrollView(
              padding: const EdgeInsets.all(AppSizes.paddingM),
              child: Column(
                children: [
                  Card(
                    child: Padding(
                      padding: const EdgeInsets.all(AppSizes.paddingL),
                      child: Column(
                        children: [
                          CircleAvatar(
                            radius: 50,
                            backgroundColor: AppColors.primary,
                            child: Text('${user.nome[0]}${user.cognome[0]}'.toUpperCase(), style: const TextStyle(fontSize: 32, fontWeight: FontWeight.bold, color: Colors.white)),
                          ),
                          const SizedBox(height: AppSizes.paddingM),
                          Text(user.nomeCompleto, style: AppTextStyles.h2, textAlign: TextAlign.center),
                          Text(user.email, style: AppTextStyles.bodyMedium.copyWith(color: AppColors.textSecondary)),
                          const SizedBox(height: AppSizes.paddingM),
                          Container(
                            padding: const EdgeInsets.symmetric(horizontal: AppSizes.paddingM, vertical: AppSizes.paddingS),
                            decoration: BoxDecoration(
                              color: AppColors.primary.withOpacity(0.1),
                              borderRadius: BorderRadius.circular(AppSizes.radiusL),
                            ),
                            child: Text(user.ruolo.toUpperCase(), style: const TextStyle(color: AppColors.primary, fontWeight: FontWeight.w600)),
                          ),
                        ],
                      ),
                    ),
                  ),
                  const SizedBox(height: AppSizes.paddingM),
                  Card(
                    child: Column(
                      children: [
                        ListTile(leading: const Icon(Icons.business_outlined), title: const Text('ID Cliente'), trailing: Text(user.clienteId.toString())),
                        ListTile(leading: const Icon(Icons.verified_outlined), title: const Text('Versione'), trailing: Text(AppConstants.appVersion)),
                      ],
                    ),
                  ),
                  const SizedBox(height: AppSizes.paddingM),
                  SizedBox(
                    width: double.infinity,
                    height: AppSizes.buttonHeight,
                    child: ElevatedButton.icon(
                      onPressed: () => _handleLogout(context),
                      icon: const Icon(Icons.logout),
                      label: const Text('Esci'),
                      style: ElevatedButton.styleFrom(backgroundColor: AppColors.critical),
                    ),
                  ),
                ],
              ),
            ),
    );
  }
}
DART_EOF

echo -e "${GREEN}✓${NC} profile_screen.dart creato"

# ===========================================
# WIDGETS
# ===========================================

# --- Allarme Card ---
echo "Creando lib/widgets/allarme_card.dart..."
cat > lib/widgets/allarme_card.dart << 'DART_EOF'
import 'package:flutter/material.dart';
import '../models/allarme.dart';
import '../utils/constants.dart';

class AllarmeCard extends StatelessWidget {
  final Allarme allarme;

  const AllarmeCard({super.key, required this.allarme});

  Color _getSeverityColor() {
    switch (allarme.severita) {
      case 'critical': return AppColors.critical;
      case 'warning': return AppColors.warning;
      case 'info': return AppColors.info;
      default: return AppColors.textSecondary;
    }
  }

  @override
  Widget build(BuildContext context) {
    return Card(
      margin: const EdgeInsets.only(bottom: AppSizes.paddingM),
      child: Padding(
        padding: const EdgeInsets.all(AppSizes.paddingM),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Container(
                  padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                  decoration: BoxDecoration(
                    color: _getSeverityColor(),
                    borderRadius: BorderRadius.circular(8),
                  ),
                  child: Text(allarme.severitaReadable, style: const TextStyle(color: Colors.white, fontSize: 12, fontWeight: FontWeight.bold)),
                ),
                const SizedBox(width: 8),
                Container(
                  padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                  decoration: BoxDecoration(
                    color: AppColors.info.withOpacity(0.1),
                    borderRadius: BorderRadius.circular(8),
                  ),
                  child: Text(allarme.statoReadable, style: const TextStyle(fontSize: 12)),
                ),
              ],
            ),
            const SizedBox(height: 12),
            Text(allarme.titolo, style: AppTextStyles.h3, maxLines: 2),
            const SizedBox(height: 8),
            Row(
              children: [
                Icon(AlarmTypeIcons.getIcon(allarme.tipo), size: 16, color: AppColors.textSecondary),
                const SizedBox(width: 8),
                Text(allarme.tipoReadable, style: AppTextStyles.bodyMedium.copyWith(color: AppColors.textSecondary)),
              ],
            ),
            if (allarme.descrizione != null) ...[
              const SizedBox(height: 8),
              Text(allarme.descrizione!, style: AppTextStyles.bodyMedium, maxLines: 2, overflow: TextOverflow.ellipsis),
            ],
            if (allarme.valoreRilevato != null && allarme.valoreSoglia != null) ...[
              const SizedBox(height: 12),
              Container(
                padding: const EdgeInsets.all(8),
                decoration: BoxDecoration(
                  color: _getSeverityColor().withOpacity(0.1),
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Row(
                  children: [
                    Icon(Icons.show_chart, size: 16, color: _getSeverityColor()),
                    const SizedBox(width: 8),
                    Expanded(
                      child: Text(
                        'Valore: ${allarme.valoreRilevato!.toStringAsFixed(2)} ${allarme.unitaMisura ?? ''} (soglia: ${allarme.valoreSoglia!.toStringAsFixed(2)})',
                        style: AppTextStyles.bodySmall,
                      ),
                    ),
                  ],
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }
}
DART_EOF

echo -e "${GREEN}✓${NC} allarme_card.dart creato"

# ===========================================
# RIEPILOGO
# ===========================================

echo ""
echo "========================================"
echo -e "${GREEN}✓ Tutti i file creati con successo!${NC}"
echo "========================================"
echo ""

# Conta file totali
TOTAL=$(find lib -name "*.dart" | wc -l)
echo "File Dart totali: $TOTAL"
echo ""

echo "File creati:"
echo "  ✓ lib/screens/login_screen.dart"
echo "  ✓ lib/screens/home_screen.dart"
echo "  ✓ lib/screens/profile_screen.dart"
echo "  ✓ lib/widgets/allarme_card.dart"
echo ""

echo "File già esistenti (creati precedentemente):"
echo "  ✓ lib/main.dart"
echo "  ✓ lib/utils/constants.dart"
echo "  ✓ lib/utils/theme.dart"
echo "  ✓ lib/models/user.dart"
echo "  ✓ lib/models/allarme.dart"
echo "  ✓ lib/services/api_service.dart"
echo "  ✓ lib/services/auth_service.dart"
echo "  ✓ lib/services/notification_service.dart"
echo ""

echo "========================================"
echo "Prossimi passi:"
echo "========================================"
echo "1. Configura Firebase: flutterfire configure"
echo "2. Testa l'app: flutter run"
echo "3. Build APK: flutter build apk --debug"
echo ""
echo "Vedi README.md per istruzioni complete"
echo ""