import 'package:flutter/material.dart';
import '../theme/etm_tokens.dart';
import 'nymea_models.dart';

// ─────────────────────────────────────────────────────────────────────────────
//  Catégories affichées dans le Things screen
// ─────────────────────────────────────────────────────────────────────────────

enum ThingCategory {
  energy,        // smartmeter, energymeter, powersocket
  solar,         // solarinverter, solarpanel
  battery,       // battery, energystorage
  evCharger,     // evcharger, wallbox
  cars,          // evvehicle, electricvehicle + class name "car"/"vehicle"
  hvac,          // thermostat, heatingzone, ac, pump
  lighting,      // light, dimmablelight, colorlight
  sensors,       // sensor, temperaturesensor, humiditysensor, motionsensor
  network,       // networkdevice, gateway
  notifications, // pushnotification, email, sms
  media,         // mediadevice, mediaplayer
  weather,       // weather
  other,         // tout le reste
}

class ThingCategoryInfo {
  final ThingCategory category;
  final String label;
  final IconData icon;
  final Color color;

  const ThingCategoryInfo({
    required this.category,
    required this.label,
    required this.icon,
    required this.color,
  });
}

// ─────────────────────────────────────────────────────────────────────────────
//  Mapping interface nymea → catégorie
// ─────────────────────────────────────────────────────────────────────────────

const Map<String, ThingCategory> interfaceToCategoryMap = {
  'smartmeter': ThingCategory.energy,
  'electricmeter': ThingCategory.energy,
  'energymeter': ThingCategory.energy,
  'smartenergymeter': ThingCategory.energy,
  'extendedsmartmeter': ThingCategory.energy,
  'powersocket': ThingCategory.energy,
  'smartplug': ThingCategory.energy,
  'solarinverter': ThingCategory.solar,
  'solarpanel': ThingCategory.solar,
  'inverter': ThingCategory.solar,
  'battery': ThingCategory.battery,
  'energystorage': ThingCategory.battery,
  'batterymonitor': ThingCategory.battery,
  'evcharger': ThingCategory.evCharger,
  'wallbox': ThingCategory.evCharger,
  'evvehicle': ThingCategory.cars,
  'electricvehicle': ThingCategory.cars,
  'electriccar': ThingCategory.cars,
  'vehicle': ThingCategory.cars,
  'thermostat': ThingCategory.hvac,
  'heatingzone': ThingCategory.hvac,
  'ac': ThingCategory.hvac,
  'airconditioner': ThingCategory.hvac,
  'pump': ThingCategory.hvac,
  'heatpump': ThingCategory.hvac,
  'ventilation': ThingCategory.hvac,
  'boiler': ThingCategory.hvac,
  'light': ThingCategory.lighting,
  'dimmablelight': ThingCategory.lighting,
  'colorlight': ThingCategory.lighting,
  'colortemperaturelight': ThingCategory.lighting,
  'sensor': ThingCategory.sensors,
  'temperaturesensor': ThingCategory.sensors,
  'humiditysensor': ThingCategory.sensors,
  'pressuresensor': ThingCategory.sensors,
  'motionsensor': ThingCategory.sensors,
  'doorsensor': ThingCategory.sensors,
  'windowsensor': ThingCategory.sensors,
  'smokesensor': ThingCategory.sensors,
  'co2sensor': ThingCategory.sensors,
  'lightsensor': ThingCategory.sensors,
  'networkdevice': ThingCategory.network,
  'gateway': ThingCategory.network,
  'router': ThingCategory.network,
  'pushnotification': ThingCategory.notifications,
  'notificationservice': ThingCategory.notifications,
  'notification': ThingCategory.notifications,
  'email': ThingCategory.notifications,
  'sms': ThingCategory.notifications,
  'weather': ThingCategory.weather,
  'weatherstation': ThingCategory.weather,
  'mediadevice': ThingCategory.media,
  'mediaplayer': ThingCategory.media,
};

// ─────────────────────────────────────────────────────────────────────────────
//  Infos visuelles par catégorie
// ─────────────────────────────────────────────────────────────────────────────

const Map<ThingCategory, ThingCategoryInfo> categoryInfoMap = {
  ThingCategory.energy: ThingCategoryInfo(
    category: ThingCategory.energy,
    label: 'Compteurs & Prises',
    icon: Icons.electrical_services_rounded,
    color: EtmTokens.muted,
  ),
  ThingCategory.solar: ThingCategoryInfo(
    category: ThingCategory.solar,
    label: 'Solaire',
    icon: Icons.solar_power_rounded,
    color: EtmTokens.amber,
  ),
  ThingCategory.battery: ThingCategoryInfo(
    category: ThingCategory.battery,
    label: 'Stockage',
    icon: Icons.battery_charging_full_rounded,
    color: EtmTokens.green,
  ),
  ThingCategory.evCharger: ThingCategoryInfo(
    category: ThingCategory.evCharger,
    label: 'Chargeurs EV',
    icon: Icons.electric_car_rounded,
    color: EtmTokens.blue,
  ),
  ThingCategory.cars: ThingCategoryInfo(
    category: ThingCategory.cars,
    label: 'Véhicules',
    icon: Icons.directions_car_rounded,
    color: EtmTokens.blue,
  ),
  ThingCategory.hvac: ThingCategoryInfo(
    category: ThingCategory.hvac,
    label: 'Chauffage & Clim',
    icon: Icons.thermostat_rounded,
    color: EtmTokens.orange,
  ),
  ThingCategory.lighting: ThingCategoryInfo(
    category: ThingCategory.lighting,
    label: 'Éclairage',
    icon: Icons.lightbulb_rounded,
    color: EtmTokens.amber,
  ),
  ThingCategory.sensors: ThingCategoryInfo(
    category: ThingCategory.sensors,
    label: 'Capteurs',
    icon: Icons.sensors_rounded,
    color: EtmTokens.blue,
  ),
  ThingCategory.network: ThingCategoryInfo(
    category: ThingCategory.network,
    label: 'Réseau',
    icon: Icons.router_rounded,
    color: Color(0xFF7C4DFF),
  ),
  ThingCategory.notifications: ThingCategoryInfo(
    category: ThingCategory.notifications,
    label: 'Notifications',
    icon: Icons.notifications_rounded,
    color: Color(0xFFEC407A),
  ),
  ThingCategory.weather: ThingCategoryInfo(
    category: ThingCategory.weather,
    label: 'Météo',
    icon: Icons.wb_cloudy_rounded,
    color: EtmTokens.blue,
  ),
  ThingCategory.media: ThingCategoryInfo(
    category: ThingCategory.media,
    label: 'Multimédia',
    icon: Icons.speaker_rounded,
    color: Color(0xFFAB47BC),
  ),
  ThingCategory.other: ThingCategoryInfo(
    category: ThingCategory.other,
    label: 'Autres',
    icon: Icons.device_hub_rounded,
    color: EtmTokens.faint,
  ),
};

// ─────────────────────────────────────────────────────────────────────────────
//  Extension utilitaire sur NymeaThingClass
// ─────────────────────────────────────────────────────────────────────────────

extension ThingClassCategoryExt on NymeaThingClass {
  ThingCategory get category {
    for (final iface in interfaces) {
      final cat = interfaceToCategoryMap[iface.toLowerCase()];
      if (cat != null) return cat;
    }
    // Fallback : nom de classe contient "car" ou "vehicle" → catégorie Cars
    final lower = name.toLowerCase();
    if (lower.contains('car') || lower.contains('vehicle')) {
      return ThingCategory.cars;
    }
    return ThingCategory.other;
  }

  ThingCategoryInfo get categoryDetails => categoryInfoMap[category]!;
}