Activity 03: Accessibility Innovation

interface VoiceCommand {
  intent: string;
  entities: Record<string, any>;
  confidence: number;
  context: NavigationContext;
}

interface AccessibilityPreferences {
  voiceSpeed: number; // 0.5-3.0
  verbosity: 'minimal' | 'standard' | 'detailed';
  soundEffects: boolean;
  hapticFeedback: boolean;
  preferredLanguages: string[];
}

class AdvancedVoiceNavigator {
  constructor(
    private speechRecognition: SpeechRecognitionAPI,
    private speechSynthesis: SpeechSynthesisAPI,
    private contextAnalyzer: ContextAnalyzer
  ) {}

  // TODO: Implement conversational navigation
  async processNaturalLanguageCommand(
    voiceInput: string,
    currentContext: AppContext,
    userPreferences: AccessibilityPreferences
  ): Promise<NavigationAction> {
    // Handle complex commands like:
    // "Find me a doctor appointment next week that's wheelchair accessible"
    // "Read me the important emails from today but skip the spam"
    // Your implementation here
  }

  // TODO: Context-aware voice feedback
  async provideIntelligentFeedback(
    userAction: UserAction,
    actionResult: ActionResult,
    userPreferences: AccessibilityPreferences
  ): Promise<VoiceFeedback> {
    // Provide just enough information, not too much or too little
    // Adapt based on user expertise and current task flow
    // Your implementation here
  }

  // TODO: Voice shortcuts learning system
  async learnUserVoicePatterns(
    userCommands: VoiceCommand[],
    usagePatterns: UsagePattern[]
  ): Promise<PersonalizedVoiceShortcuts> {
    // Learn user's preferred phrases and create custom shortcuts
    // "My usual" = specific complex action sequence
    // Your implementation here
  }
}

class SpatialAudioInterface {
  // TODO: 3D audio positioning for UI elements
  async createSpatialLayout(
    uiElements: UIElement[],
    screenDimensions: ScreenDimensions
  ): Promise<SpatialAudioMap> {
    // Map UI elements to 3D audio space
    // Buttons on left = audio from left, etc.
    // Your implementation here
  }

  // TODO: Audio landmarks and navigation
  async createAudioLandmarks(
    appSections: AppSection[],
    userMentalModel: MentalModel
  ): Promise<AudioLandmark[]> {
    // Create memorable audio cues for major app sections
    // Help users build spatial understanding of the app
    // Your implementation here
  }

  // TODO: Dynamic audio focus
  async manageFocusAudio(
    currentFocus: UIElement,
    surroundingElements: UIElement[],
    interactionType: InteractionType
  ): Promise<AudioFocusExperience> {
    // Highlight current focus while providing context about surroundings
    // Your implementation here
  }
}

interface EyeTrackingData {
  gazePoint: Point2D;
  pupilDilation: number;
  blinkPattern: BlinkEvent[];
  dwellTime: number;
  confidence: number;
}

interface BCISignal {
  intentionType: 'select' | 'navigate' | 'type' | 'gesture';
  confidence: number;
  rawSignal: number[];
  processedCommand: Command;
}

class AdvancedInputMethods {
  // TODO: Eye gaze interaction system
  async processEyeGazeInput(
    eyeData: EyeTrackingData,
    currentInterface: UIState,
    userCalibration: EyeCalibrationData
  ): Promise<GazeInteraction> {
    // Implement: gaze to focus, blink to select, dwell to activate
    // Advanced: eye gestures, pupil dilation for confidence
    // Your implementation here
  }

  // TODO: Brain-computer interface integration
  async processBCICommands(
    bciSignals: BCISignal[],
    userBCIProfile: BCIProfile,
    contextualHints: ContextHint[]
  ): Promise<BCICommand> {
    // Process thought-based commands for device control
    // Handle signal noise and improve accuracy over time
    // Your implementation here
  }

  // TODO: Adaptive switch interface
  async createAdaptiveSwitchInterface(
    availableSwitches: Switch[],
    userCapabilities: MotorCapabilities,
    taskComplexity: ComplexityLevel
  ): Promise<SwitchConfiguration> {
    // Dynamically configure switch inputs based on user needs
    // Support single switch, dual switch, sip-and-puff, etc.
    // Your implementation here
  }
}

class MicroGestureRecognition {
  // TODO: Minimal movement gesture detection
  async detectMicroGestures(
    motionSensorData: MotionData[],
    userBaseline: MotorBaseline,
    sensitivity: SensitivityLevel
  ): Promise<MicroGesture[]> {
    // Detect tiny head movements, finger twitches, breath patterns
    // Adapt to progressive conditions like ALS
    // Your implementation here
  }

  // TODO: Predictive text for limited input
  async providePredictiveInput(
    partialInput: PartialInput,
    userContext: InputContext,
    personalDictionary: PersonalDictionary
  ): Promise<InputPrediction[]> {
    // Minimize keystrokes needed for communication
    // Learn from user's communication patterns
    // Your implementation here
  }

  // TODO: Fatigue-aware interface adaptation
  async adaptForFatigue(
    currentFatigueLevel: FatigueLevel,
    timeOfDay: number,
    recentActivity: ActivityLog[]
  ): Promise<InterfaceAdaptation> {
    // Simplify interface when user shows signs of fatigue
    // Provide rest suggestions and alternative input methods
    // Your implementation here
  }
}

interface CognitiveProfile {
  workingMemoryCapacity: 'low' | 'typical' | 'high';
  processingSpeed: 'slow' | 'typical' | 'fast';
  attentionSpan: number; // in minutes
  learningStyle: 'visual' | 'auditory' | 'kinesthetic' | 'mixed';
  executiveFunctionSupport: ExecutiveFunctionNeeds[];
}

class CognitiveAccessibilityAI {
  // TODO: Task simplification engine
  async simplifyComplexTask(
    originalTask: ComplexTask,
    cognitiveProfile: CognitiveProfile,
    currentCognitiveLoad: CognitiveLoadLevel
  ): Promise<SimplifiedTaskFlow> {
    // Break complex tasks into manageable steps
    // Provide memory aids and progress tracking
    // Your implementation here
  }

  // TODO: Attention management system
  async manageUserAttention(
    currentActivity: Activity,
    distractionLevel: DistractionLevel,
    importantNotifications: Notification[]
  ): Promise<AttentionManagementPlan> {
    // Filter distractions, batch notifications
    // Provide focus reminders and break suggestions
    // Your implementation here
  }

  // TODO: Memory support system
  async provideMemorySupport(
    userGoal: Goal,
    contextualCues: ContextCue[],
    personalMemoryAids: MemoryAid[]
  ): Promise<MemorySupport> {
    // Provide just-in-time reminders and context
    // Help users remember important information and steps
    // Your implementation here
  }
}

class AdaptiveLearningInterface {
  // TODO: Real-time comprehension assessment
  async assessComprehension(
    userInteractions: InteractionPattern[],
    responseTimes: ResponseTime[],
    errorPatterns: ErrorPattern[]
  ): Promise<ComprehensionLevel> {
    // Detect when user is struggling or ready for more complexity
    // Adapt without making user feel judged
    // Your implementation here
  }

  // TODO: Progressive disclosure system
  async manageInformationDisclosure(
    availableContent: Content[],
    userComprehensionLevel: ComprehensionLevel,
    learningObjectives: LearningObjective[]
  ): Promise<ContentDisclosurePlan> {
    // Reveal information at appropriate pace
    // Prevent cognitive overload while maintaining engagement
    // Your implementation here
  }

  // TODO: Multi-modal content presentation
  async presentContentMultimodally(
    content: Content,
    learningPreferences: LearningPreferences,
    currentContext: LearningContext
  ): Promise<MultimodalPresentation> {
    // Present same information in multiple ways
    // Visual, auditory, kinesthetic reinforcement
    // Your implementation here
  }
}

interface MultiDisabilityProfile {
  visualImpairment: VisualImpairmentLevel;
  hearingImpairment: HearingImpairmentLevel;
  motorLimitations: MotorLimitation[];
  cognitiveConsiderations: CognitiveNeed[];
  temporaryImpairments: TemporaryImpairment[];
}

class UniversalDesignEngine {
  // TODO: Multi-disability interface optimization
  async optimizeForMultipleNeeds(
    userProfile: MultiDisabilityProfile,
    currentTask: Task,
    environmentalFactors: EnvironmentalFactor[]
  ): Promise<UniversalInterface> {
    // Balance conflicting needs (e.g., large text vs. spatial audio)
    // Find optimal solution that works for multiple disabilities
    // Your implementation here
  }

  // TODO: Situational disability adaptation
  async adaptForSituationalDisability(
    currentSituation: Situation,
    temporaryLimitations: TemporaryLimitation[],
    baseAccessibilityProfile: AccessibilityProfile
  ): Promise<SituationalAdaptation> {
    // Handle temporary disabilities: bright sunlight, noisy environment
    // Broken arm, walking while using device, etc.
    // Your implementation here
  }

  // TODO: Accessibility conflict resolution
  async resolveAccessibilityConflicts(
    conflictingNeeds: AccessibilityNeed[],
    userPriorities: Priority[],
    contextualFactors: ContextFactor[]
  ): Promise<ConflictResolution> {
    // When accessibility features conflict, intelligently prioritize
    // Provide user with options and explanations
    // Your implementation here
  }
}

class AdvancedAccessibilityTesting {
  // TODO: User simulation testing
  async simulateDisabilityExperience(
    appInterface: AppInterface,
    disabilitySimulation: DisabilitySimulation,
    userJourney: UserJourney[]
  ): Promise<AccessibilityTestResults> {
    // Simulate actual user experiences with different disabilities
    // Test complete user journeys, not just individual features
    // Your implementation here
  }

  // TODO: Real-time usability assessment
  async assessRealTimeUsability(
    userInteractions: UserInteraction[],
    taskCompletionData: TaskCompletion[],
    frustrationIndicators: FrustrationIndicator[]
  ): Promise<UsabilityAssessment> {
    // Detect usability issues as they happen
    // Suggest immediate improvements
    // Your implementation here
  }

  // TODO: Accessibility impact measurement
  async measureAccessibilityImpact(
    beforeAccessibilityMetrics: UsabilityMetrics,
    afterAccessibilityMetrics: UsabilityMetrics,
    userSatisfactionScores: SatisfactionScore[]
  ): Promise<AccessibilityImpactReport> {
    // Quantify the real-world impact of accessibility features
    // Generate reports for stakeholders and funders
    // Your implementation here
  }
}