import '../protocol/sensor_state.dart';
import 'sensor_def.dart';
import 'flag_def.dart';

/// Master list of all analog sensor definitions. Units, ranges and decimals
/// are the base (metric) ones; see units.dart for the displayed unit.
const List<SensorDef> sensorDefs = [
  SensorDef(
      id: 'rpm', displayName: 'RPM', unit: 'rpm', min: 0, max: 9000, decimals: 0),
  SensorDef(
      id: 'vss', displayName: 'Speed', unit: 'km/h', min: 0, max: 280, decimals: 0),
  SensorDef(
      id: 'map', displayName: 'Manifold pressure', unit: 'kPa', min: 0, max: 300),
  SensorDef(
      id: 'tps', displayName: 'Throttle position', unit: '%', min: 0, max: 100),
  SensorDef(
      id: 'inj',
      displayName: 'Injector duration',
      unit: 'ms',
      min: 0,
      max: 20,
      decimals: 2),
  SensorDef(
      id: 'ign', displayName: 'Timing advance', unit: '°', min: -20, max: 60),
  SensorDef(
      id: 'ect', displayName: 'Coolant temp', unit: '°C', min: -40, max: 150),
  SensorDef(
      id: 'iat',
      displayName: 'Intake air temp',
      unit: '°C',
      min: -40,
      max: 150),
  SensorDef(
      id: 'bat', displayName: 'Battery voltage', unit: 'V', min: 0, max: 20),
  SensorDef(
      id: 'o2', displayName: 'O2 sensor', unit: 'V', min: 0, max: 5, decimals: 2),
  // Derived: injector duration × RPM (USB tool: 16.67 ms @ 3210 rpm = 44 %).
  SensorDef(
      id: 'duty', displayName: 'Injector duty', unit: '%', min: 0, max: 100, decimals: 0),
  // AFR/AIN scales not yet bench-verified: shown as raw values.
  SensorDef(
      id: 'gear', displayName: 'Gear', unit: '', min: 0, max: 6, decimals: 0),
  SensorDef(
      id: 'eth', displayName: 'Ethanol', unit: '%', min: 0, max: 100, decimals: 0),
  SensorDef(
      id: 'pa', displayName: 'Barometric pressure', unit: 'kPa', min: 0, max: 120),
  SensorDef(
      id: 'afr', displayName: 'AFR', unit: 'raw', min: 0, max: 255, decimals: 0),
  SensorDef(
      id: 'strim', displayName: 'Short trim', unit: '%', min: -30, max: 30),
  SensorDef(
      id: 'ltrim', displayName: 'Long trim', unit: '%', min: -30, max: 30),
  SensorDef(
      id: 'ain0', displayName: 'Analog input 0', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain1', displayName: 'Analog input 1', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain2', displayName: 'Analog input 2', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain3', displayName: 'Analog input 3', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain4', displayName: 'Analog input 4', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain5', displayName: 'Analog input 5', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain6', displayName: 'Analog input 6', unit: 'raw', min: 0, max: 1023, decimals: 0),
  SensorDef(
      id: 'ain7', displayName: 'Analog input 7', unit: 'raw', min: 0, max: 1023, decimals: 0),
];

SensorDef sensorDef(String id) =>
    sensorDefs.firstWhere((d) => d.id == id, orElse: () => sensorDefs.first);

/// Base-unit value of sensor [id] in [s].
double sensorValue(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;
    // One injection per 2 revolutions: ms × rpm / 120000 × 100.
    case 'duty':  return s.inj * s.rpm / 1200;
    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;
  }
}

/// Master list of boolean flags (selectable on the dashboard). The first
/// eight follow the requirement document's examples; the rest are the other
/// status bits the ECU frame carries.
final List<FlagDef> flagDefs = [
  FlagDef(id: 'mil', displayName: 'MIL', read: (s) => s.mil),
  FlagDef(id: 'fanout', displayName: 'FAN Out', read: (s) => s.fanOut),
  FlagDef(id: 'vtec', displayName: 'VTEC Out', read: (s) => s.vtec),
  FlagDef(id: 'knock', displayName: 'Knock', read: (s) => s.knock),
  FlagDef(id: 'o2error', displayName: 'WBO Error', read: (s) => s.o2Error),
  FlagDef(id: 'iaterror', displayName: 'IAT Error', read: (s) => s.iatError),
  FlagDef(id: 'ecterror', displayName: 'CLT Error', read: (s) => s.ectError),
  FlagDef(id: 'fuelpump', displayName: 'Fuel Pump', read: (s) => s.fuelPump),
  FlagDef(id: 'revlimit', displayName: 'Rev Limit', read: (s) => s.revLimit),
  FlagDef(id: 'igncut', displayName: 'Ign Cut', read: (s) => s.ignCut),
  FlagDef(id: 'boostcut', displayName: 'Boost Cut', read: (s) => s.boostCut),
  FlagDef(id: 'launch', displayName: 'Launch Cut', read: (s) => s.launch),
  FlagDef(
      id: 'launchretard',
      displayName: 'Launch Retard',
      read: (s) => s.launchRetard),
  FlagDef(id: 'shiftcut', displayName: 'Shift Cut', read: (s) => s.shiftCut),
  FlagDef(
      id: 'closedloop', displayName: 'Closed Loop', read: (s) => s.closedLoop),
  FlagDef(id: 'vtp', displayName: 'VTEC Press', read: (s) => s.vtp),
  FlagDef(id: 'acswitch', displayName: 'AC Switch', read: (s) => s.acSwitch),
  FlagDef(id: 'brake', displayName: 'Brake', read: (s) => s.brakeSwitch),
];

FlagDef flagDef(String id) =>
    flagDefs.firstWhere((f) => f.id == id, orElse: () => flagDefs.first);