import 'package:flutter/material.dart';
import '../../../../core/models/sensor_defs.dart';
import '../../../../core/protocol/sensor_state.dart';

class SensorTile extends StatelessWidget {
  final int slotIndex;
  final String sensorId;
  final SensorState state;
  final Color accentColor;
  final VoidCallback onTap;

  const SensorTile({
    super.key,
    required this.slotIndex,
    required this.sensorId,
    required this.state,
    required this.accentColor,
    required this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final def = sensorDefs.firstWhere(
      (d) => d.id == sensorId,
      orElse: () => sensorDefs.first,
    );
    final value = _getValue(state, sensorId);
    final normalized =
        ((value - def.min) / (def.max - def.min)).clamp(0.0, 1.0);

    return GestureDetector(
      onLongPress: onTap,
      child: Container(
        decoration: BoxDecoration(
          color: const Color(0xFF1A1A1A),
          borderRadius: BorderRadius.circular(10),
          border: Border.all(color: Colors.white10),
        ),
        padding: const EdgeInsets.fromLTRB(10, 8, 10, 6),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Text(
              def.displayName.toUpperCase(),
              style: const TextStyle(
                color: Colors.grey,
                fontSize: 10,
                letterSpacing: 1,
              ),
            ),
            Row(
              crossAxisAlignment: CrossAxisAlignment.end,
              children: [
                Text(
                  _format(value, sensorId),
                  style: const TextStyle(
                    color: Colors.white,
                    fontSize: 22,
                    fontWeight: FontWeight.bold,
                    letterSpacing: -0.5,
                  ),
                ),
                const SizedBox(width: 3),
                Padding(
                  padding: const EdgeInsets.only(bottom: 2),
                  child: Text(
                    def.unit,
                    style: TextStyle(color: accentColor, fontSize: 11),
                  ),
                ),
              ],
            ),
            // Bar gauge
            ClipRRect(
              borderRadius: BorderRadius.circular(2),
              child: LinearProgressIndicator(
                value: normalized,
                minHeight: 4,
                backgroundColor: Colors.white10,
                valueColor: AlwaysStoppedAnimation<Color>(
                  normalized > 0.8 ? Colors.red : accentColor,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  String _format(double v, String id) {
    if (id == 'gear') return v.toStringAsFixed(0);
    if (id == 'rpm') return v.toStringAsFixed(0);
    if (v.abs() >= 100) return v.toStringAsFixed(1);
    return v.toStringAsFixed(2);
  }
}

double _getValue(SensorState s, String id) {
  switch (id) {
    case 'rpm':   return s.rpm;
    case 'vss':   return s.vss;
    case 'map':   return s.map;
    case 'tps':   return s.tps;
    case 'inj':   return s.inj;
    case 'ign':   return s.ign;
    case 'ect':   return s.ect;
    case 'iat':   return s.iat;
    case 'bat':   return s.bat;
    case 'o2':    return s.o2;
    case 'gear':  return s.gear.toDouble();
    case 'eth':   return s.eth;
    case 'pa':    return s.pa;
    case 'afr':   return s.afr;
    case 'strim': return s.strim;
    case 'ltrim': return s.ltrim;
    case 'ain0':  return s.ain0;
    case 'ain1':  return s.ain1;
    case 'ain2':  return s.ain2;
    case 'ain3':  return s.ain3;
    case 'ain4':  return s.ain4;
    case 'ain5':  return s.ain5;
    case 'ain6':  return s.ain6;
    case 'ain7':  return s.ain7;
    default:      return 0;
  }
}