import 'package:flutter/foundation.dart';

enum MotorSignalPlan {
  free,
  proMonthly,
  proLifetime,
}

enum MotorSignalEntitlementStatus {
  free,
  proMonthlyActive,
  proMonthlyGrace,
  proMonthlyAccountHold,
  proMonthlyExpired,
  proLifetime,
  unknown,
  syncPending,
}

/// Central capability model. UI and services should depend on capabilities,
/// not Google Play product IDs or scattered `isPro` checks.
@immutable
class EntitlementState {
  final MotorSignalPlan plan;
  final MotorSignalEntitlementStatus status;
  final DateTime? expiresAt;

  const EntitlementState({
    this.plan = MotorSignalPlan.free,
    this.status = MotorSignalEntitlementStatus.free,
    this.expiresAt,
  });

  bool get isPro => plan != MotorSignalPlan.free &&
      status != MotorSignalEntitlementStatus.proMonthlyExpired;

  bool get canCloudBackup => true;
  bool get canUnlimitedCloudHistory => isPro;
  bool get canMultiDeviceRestore => isPro;
  bool get canAdvancedTelemetry => isPro;
  bool get canAdvancedAcceleration => isPro;
  bool get canAdvancedBraking => isPro;
  bool get canAdvancedLean => isPro;
  bool get canAdvancedAnalytics => isPro;
  bool get canUnlimitedHistory => isPro;
  bool get canExportCsv => isPro;
  bool get canExportPdf => isPro;
  bool get canUseMultipleMotorcycles => isPro;
  bool get canPlanTrips => isPro;
  bool get canCreateGroupRides => isPro;
  bool get canUseAdvancedGroupRideFeatures => isPro;

  /// The Free cloud allowance is intentionally not hard-coded here. Product
  /// economics will define the exact quota before launch.
  int? get cloudRideAllowance => isPro ? null : null;

  EntitlementState copyWith({
    MotorSignalPlan? plan,
    MotorSignalEntitlementStatus? status,
    DateTime? expiresAt,
  }) => EntitlementState(
        plan: plan ?? this.plan,
        status: status ?? this.status,
        expiresAt: expiresAt ?? this.expiresAt,
      );
}