Activity 02: Music Therapy and Wellness Apps

interface EmotionState {
  primary: 'calm' | 'anxious' | 'sad' | 'energized' | 'angry' | 'neutral';
  intensity: number; // 0-10 scale
  confidence: number; // Detection confidence 0-1
}

interface TherapeuticGoal {
  target: 'stress_reduction' | 'mood_elevation' | 'focus_enhancement' | 'sleep_induction';
  timeframe: number; // minutes
  progressMetric: string;
}

class AdaptiveMusicEngine {
  constructor(
    private musicLibrary: CulturalMusicLibrary,
    private emotionDetector: EmotionDetector,
    private biometricMonitor: BiometricMonitor
  ) {}

  // TODO: Generate therapeutic music playlist
  async generateTherapeuticPlaylist(
    currentEmotion: EmotionState,
    therapeuticGoal: TherapeuticGoal,
    userProfile: UserProfile
  ): Promise<Playlist> {
    // Consider: cultural preferences, hearing abilities, past effectiveness
    // Your implementation here
  }

  // TODO: Real-time music adaptation
  async adaptMusicInRealTime(
    currentTrack: MusicTrack,
    biometricFeedback: BiometricData,
    emotionChange: EmotionState
  ): Promise<MusicAdjustment> {
    // Adjust tempo, key, dynamics based on user response
    // Your implementation here
  }

  // TODO: Progressive therapy session management
  async manageTherapySession(
    sessionGoals: TherapeuticGoal[],
    duration: number
  ): Promise<TherapySession> {
    // Guide user through structured therapeutic journey
    // Your implementation here
  }
}

class BiometricTherapyMonitor {
  // TODO: Heart rate variability analysis
  async analyzeHeartRateVariability(hrData: number[]): Promise<StressLevel> {
    // Higher HRV = better stress resilience
    // Track improvement over therapy sessions
    // Your implementation here
  }

  // TODO: Voice stress analysis (if user permits)
  async analyzeVoiceStress(audioSample: AudioBuffer): Promise<VoiceStressIndicators> {
    // Detect tension, breathing patterns, emotional state
    // Use for therapy customization
    // Your implementation here
  }

  // TODO: Movement pattern analysis (for motor therapy)
  async analyzeMovementPatterns(motionData: MotionSensor[]): Promise<MotorResponse> {
    // Track rhythm synchronization for Parkinson's therapy
    // Measure coordination improvement
    // Your implementation here
  }
}

interface AccessibilityProfile {
  hearingLevel: 'full' | 'partial' | 'deaf';
  visualNeedsAssist: boolean;
  motorLimitations: MotorLimitation[];
  cognitiveConsiderations: CognitiveNeed[];
}

class InclusiveTherapyInterface {
  // TODO: Haptic/vibration therapy for hearing-impaired users
  async createHapticTherapy(
    musicPattern: MusicPattern,
    accessibilityProfile: AccessibilityProfile
  ): Promise<HapticTherapySession> {
    // Convert music rhythm and emotional patterns to haptic feedback
    // Research shows haptic therapy can reduce anxiety by 40%
    // Your implementation here
  }

  // TODO: Visual music therapy
  async generateVisualSynesthesia(
    audioTrack: AudioTrack,
    therapeuticGoal: TherapeuticGoal
  ): Promise<VisualTherapyExperience> {
    // Create synchronized visual patterns that mirror therapeutic benefits
    // Colors, shapes, movements that complement music therapy
    // Your implementation here
  }

  // TODO: Simplified interaction for cognitive accessibility
  async createSimplifiedInterface(
    cognitiveLevel: CognitiveCapacity,
    therapeuticGoals: TherapeuticGoal[]
  ): Promise<SimplifiedInterface> {
    // One-button activation, clear feedback, predictable patterns
    // Your implementation here
  }
}

interface CulturalProfile {
  primaryCulture: string;
  musicFamiliarity: string[];
  religiousConsiderations: string[];
  languagePreferences: string[];
  traditionalInstruments: string[];
}

class CulturalMusicAdapter {
  // TODO: Culturally appropriate music selection
  async selectCulturallyRelevantMusic(
    therapeuticGoal: TherapeuticGoal,
    culturalProfile: CulturalProfile,
    emotionTarget: EmotionState
  ): Promise<CulturalPlaylist> {
    // Indian ragas for meditation, West African polyrhythms for energy
    // Middle Eastern maqams for emotional processing
    // Your implementation here
  }

  // TODO: Traditional instrument integration
  async integrateTraditionalElements(
    baseTherapy: TherapySession,
    culturalInstruments: string[]
  ): Promise<CulturalTherapySession> {
    // Incorporate tabla, didgeridoo, kalimba, etc.
    // Respect cultural significance and appropriate usage
    // Your implementation here
  }

  // TODO: Language-appropriate guidance
  async provideMultilingualGuidance(
    instructions: TherapyInstructions,
    preferredLanguages: string[]
  ): Promise<LocalizedInstructions> {
    // Voice guidance in user's preferred language
    // Cultural context for therapeutic concepts
    // Your implementation here
  }
}

interface ClinicalProtocol {
  condition: 'anxiety' | 'depression' | 'ptsd' | 'dementia' | 'autism' | 'parkinsons';
  evidenceLevel: 'high' | 'moderate' | 'emerging';
  sessionStructure: TherapyPhase[];
  successMetrics: Metric[];
}

class EvidenceBasedTherapy {
  // TODO: Implement anxiety reduction protocol
  async createAnxietyReductionSession(
    userAnxietyLevel: number,
    sessionDuration: number
  ): Promise<AnxietyTherapySession> {
    // Research-backed: 60bpm music + progressive muscle relaxation
    // 12-minute sessions show 65% anxiety reduction
    // Your implementation here
  }

  // TODO: Depression mood elevation therapy
  async createMoodElevationSession(
    userMoodBaseline: number,
    culturalPreferences: CulturalProfile
  ): Promise<MoodTherapySession> {
    // Gradual tempo increase, major key progression
    // Personalized to user's cultural music preferences
    // Your implementation here
  }

  // TODO: PTSD trauma-informed therapy
  async createTraumaInformedSession(
    traumaTriggers: string[],
    safetyProtocols: SafetyProtocol[]
  ): Promise<TraumaTherapySession> {
    // Gentle, predictable, user-controlled experience
    // Immediate exit options, grounding techniques
    // Your implementation here
  }
}

class TherapeuticProgressTracker {
  // TODO: Session effectiveness measurement
  async measureSessionEffectiveness(
    preSessionMetrics: BiometricBaseline,
    postSessionMetrics: BiometricBaseline,
    userFeedback: SessionFeedback
  ): Promise<SessionEffectivenessReport> {
    // Combine objective biometric data with subjective user feedback
    // Track trends over time without storing personal data
    // Your implementation here
  }

  // TODO: Long-term wellness trends
  async trackWellnessTrends(
    anonymizedUserData: AnonymizedWellnessData,
    timeframeDays: number
  ): Promise<WellnessTrendReport> {
    // Show improvement patterns across user base
    // Help optimize therapy protocols
    // Your implementation here
  }

  // TODO: Clinical outcome reporting
  async generateClinicalReport(
    populationData: PopulationTherapyData,
    outcomeMeasures: ClinicalOutcome[]
  ): Promise<ClinicalEfficacyReport> {
    // Generate reports for healthcare providers
    // Support evidence-based treatment decisions
    // Your implementation here
  }
}

class CrisisDetectionSystem {
  // TODO: Implement crisis warning indicators
  async analyzeCrisisRisk(
    biometricData: BiometricData,
    userInteractionPatterns: InteractionPattern[],
    sessionData: RecentSessionData
  ): Promise<CrisisRiskAssessment> {
    // Detect patterns indicating severe distress
    // Rapid heart rate, erratic interaction, desperation in voice
    // Your implementation here
  }

  // TODO: Immediate intervention protocols
  async triggerCrisisIntervention(
    crisisLevel: 'mild' | 'moderate' | 'severe',
    userLocation: LocationData,
    emergencyContacts: Contact[]
  ): Promise<InterventionActions> {
    // Grounding music, breathing exercises, crisis hotline connection
    // Location-appropriate emergency services
    // Your implementation here
  }

  // TODO: Safe follow-up protocols
  async scheduleFollowUp(
    crisisEvent: CrisisEvent,
    userPreferences: CrisisPreferences
  ): Promise<FollowUpPlan> {
    // Gentle check-ins, continued therapeutic support
    // Connection to professional help
    // Your implementation here
  }
}

class AnonymousSupportCommunity {
  // TODO: Anonymous music sharing
  async shareTherapeuticPlaylist(
    playlist: Playlist,
    therapeuticOutcome: OutcomeData,
    anonymizedProfile: AnonymizedProfile
  ): Promise<CommunityContribution> {
    // Share what worked without revealing personal information
    // Help others with similar therapeutic needs
    // Your implementation here
  }

  // TODO: Group therapy sessions
  async createGroupTherapySession(
    therapeuticGoal: TherapeuticGoal,
    participantProfiles: AnonymizedProfile[],
    culturalConsiderations: CulturalProfile[]
  ): Promise<GroupSession> {
    // Virtual group sessions with synchronized music therapy
    // Maintain anonymity while building connection
    // Your implementation here
  }

  // TODO: Peer progress encouragement
  async providePeerEncouragement(
    userProgress: ProgressMilestone,
    communityContext: CommunityContext
  ): Promise<EncouragementMessage[]> {
    // Positive reinforcement from others who've overcome similar challenges
    // Maintain privacy boundaries
    // Your implementation here
  }
}