Lighting for Long Coding Sessions - Complete Guide

# Lighting for Long Coding Sessions

class LightingAnalysis {
  constructor() {
    this.lightingTypes = {
      ambient: {
        name: 'Ambient Lighting',
        description: 'General room lighting',
        characteristics: {
          brightness: '300-500 lux',
          colorTemperature: '4000-5000K',
          distribution: 'Even throughout space',
          purpose: 'General illumination'
        },
        pros: ['Reduces eye strain', 'Creates comfortable environment', 'Prevents shadows'],
        cons: ['May cause glare', 'Not task-specific', 'Can be too bright'],
        suitability: 'Base lighting layer'
      },
      
      task: {
        name: 'Task Lighting',
        description: 'Focused lighting for specific tasks',
        characteristics: {
          brightness: '500-1000 lux',
          colorTemperature: '4000-6500K',
          distribution: 'Focused on work area',
          purpose: 'Task-specific illumination'
        },
        pros: ['High quality light', 'Reduces eye strain', 'Improves focus'],
        cons: ['Can create shadows', 'May cause glare', 'Requires positioning'],
        suitability: 'Primary work lighting'
      },
      
      accent: {
        name: 'Accent Lighting',
        description: 'Decorative or mood lighting',
        characteristics: {
          brightness: '100-300 lux',
          colorTemperature: '2700-4000K',
          distribution: 'Focused on specific areas',
          purpose: 'Mood and aesthetics'
        },
        pros: ['Creates atmosphere', 'Reduces eye strain', 'Improves mood'],
        cons: ['Not task-specific', 'May cause glare', 'Limited functionality'],
        suitability: 'Mood and atmosphere'
      },
      
      natural: {
        name: 'Natural Lighting',
        description: 'Sunlight and daylight',
        characteristics: {
          brightness: 'Variable',
          colorTemperature: '5500-6500K',
          distribution: 'Variable',
          purpose: 'Natural illumination'
        },
        pros: ['Free', 'High quality', 'Improves mood', 'Regulates circadian rhythm'],
        cons: ['Variable intensity', 'Can cause glare', 'Not controllable'],
        suitability: 'Primary lighting source when available'
      }
    };
    
    this.lightSources = {
      led: {
        name: 'LED Lighting',
        description: 'Light Emitting Diode technology',
        characteristics: {
          efficiency: 'High',
          lifespan: '50,000+ hours',
          colorTemperature: '2700-6500K',
          dimming: 'Excellent',
          cost: 'Medium to High'
        },
        pros: ['Energy efficient', 'Long lifespan', 'Good color rendering', 'Dimmable'],
        cons: ['Higher initial cost', 'Can cause blue light issues', 'Complexity'],
        suitability: 'Most applications'
      },
      
      fluorescent: {
        name: 'Fluorescent Lighting',
        description: 'Fluorescent tube technology',
        characteristics: {
          efficiency: 'Medium',
          lifespan: '10,000-20,000 hours',
          colorTemperature: '3000-6500K',
          dimming: 'Limited',
          cost: 'Low to Medium'
        },
        pros: ['Low cost', 'Good efficiency', 'Wide availability'],
        cons: ['Contains mercury', 'Poor color rendering', 'Flicker issues'],
        suitability: 'Budget applications'
      },
      
      incandescent: {
        name: 'Incandescent Lighting',
        description: 'Traditional bulb technology',
        characteristics: {
          efficiency: 'Low',
          lifespan: '1,000-2,000 hours',
          colorTemperature: '2700-3000K',
          dimming: 'Excellent',
          cost: 'Low'
        },
        pros: ['Warm light', 'Excellent dimming', 'Low cost'],
        cons: ['Low efficiency', 'Short lifespan', 'Heat generation'],
        suitability: 'Accent lighting'
      },
      
      halogen: {
        name: 'Halogen Lighting',
        description: 'Halogen bulb technology',
        characteristics: {
          efficiency: 'Medium',
          lifespan: '2,000-4,000 hours',
          colorTemperature: '3000-3200K',
          dimming: 'Good',
          cost: 'Medium'
        },
        pros: ['Good color rendering', 'Excellent dimming', 'Compact size'],
        cons: ['Heat generation', 'Moderate efficiency', 'Higher cost'],
        suitability: 'Task lighting'
      }
    };
  }
  
  analyzeLightingSetup(currentSetup) {
    const analysis = {
      quality: this.assessLightingQuality(currentSetup),
      comfort: this.assessEyeComfort(currentSetup),
      productivity: this.assessProductivityImpact(currentSetup),
      recommendations: this.generateLightingRecommendations(currentSetup)
    };
    
    return analysis;
  }
  
  assessLightingQuality(currentSetup) {
    let qualityScore = 0;
    const maxScore = 100;
    
    // Brightness (25 points)
    if (currentSetup.brightness >= 500 && currentSetup.brightness <= 1000) qualityScore += 25;
    else if (currentSetup.brightness >= 300 && currentSetup.brightness <= 1200) qualityScore += 20;
    else if (currentSetup.brightness >= 200 && currentSetup.brightness <= 1500) qualityScore += 15;
    else qualityScore += 10;
    
    // Color temperature (25 points)
    if (currentSetup.colorTemperature >= 4000 && currentSetup.colorTemperature <= 5000) qualityScore += 25;
    else if (currentSetup.colorTemperature >= 3500 && currentSetup.colorTemperature <= 5500) qualityScore += 20;
    else if (currentSetup.colorTemperature >= 3000 && currentSetup.colorTemperature <= 6000) qualityScore += 15;
    else qualityScore += 10;
    
    // Glare control (25 points)
    if (currentSetup.glareControl === 'excellent') qualityScore += 25;
    else if (currentSetup.glareControl === 'good') qualityScore += 20;
    else if (currentSetup.glareControl === 'fair') qualityScore += 15;
    else qualityScore += 10;
    
    // Color rendering (25 points)
    if (currentSetup.colorRendering >= 90) qualityScore += 25;
    else if (currentSetup.colorRendering >= 80) qualityScore += 20;
    else if (currentSetup.colorRendering >= 70) qualityScore += 15;
    else qualityScore += 10;
    
    return {
      score: qualityScore,
      percentage: (qualityScore / maxScore) * 100,
      rating: qualityScore >= 80 ? 'Excellent' : 
              qualityScore >= 60 ? 'Good' : 
              qualityScore >= 40 ? 'Fair' : 'Poor'
    };
  }
  
  assessEyeComfort(currentSetup) {
    let comfortScore = 0;
    const maxScore = 100;
    
    // Eye strain factors
    if (currentSetup.eyeStrain === 'none') comfortScore += 30;
    else if (currentSetup.eyeStrain === 'minimal') comfortScore += 25;
    else if (currentSetup.eyeStrain === 'moderate') comfortScore += 15;
    else comfortScore += 5;
    
    // Glare factors
    if (currentSetup.glare === 'none') comfortScore += 25;
    else if (currentSetup.glare === 'minimal') comfortScore += 20;
    else if (currentSetup.glare === 'moderate') comfortScore += 10;
    else comfortScore += 5;
    
    // Shadow factors
    if (currentSetup.shadows === 'none') comfortScore += 20;
    else if (currentSetup.shadows === 'minimal') comfortScore += 15;
    else if (currentSetup.shadows === 'moderate') comfortScore += 10;
    else comfortScore += 5;
    
    // Flicker factors
    if (currentSetup.flicker === 'none') comfortScore += 25;
    else if (currentSetup.flicker === 'minimal') comfortScore += 20;
    else if (currentSetup.flicker === 'moderate') comfortScore += 10;
    else comfortScore += 5;
    
    return {
      score: comfortScore,
      percentage: (comfortScore / maxScore) * 100,
      rating: comfortScore >= 80 ? 'Very Comfortable' : 
              comfortScore >= 60 ? 'Comfortable' : 
              comfortScore >= 40 ? 'Moderately Comfortable' : 'Uncomfortable'
    };
  }
  
  assessProductivityImpact(currentSetup) {
    let productivityScore = 0;
    const maxScore = 100;
    
    // Focus factors
    if (currentSetup.focus === 'excellent') productivityScore += 30;
    else if (currentSetup.focus === 'good') productivityScore += 25;
    else if (currentSetup.focus === 'fair') productivityScore += 15;
    else productivityScore += 5;
    
    // Alertness factors
    if (currentSetup.alertness === 'excellent') productivityScore += 25;
    else if (currentSetup.alertness === 'good') productivityScore += 20;
    else if (currentSetup.alertness === 'fair') productivityScore += 15;
    else productivityScore += 5;
    
    // Mood factors
    if (currentSetup.mood === 'excellent') productivityScore += 25;
    else if (currentSetup.mood === 'good') productivityScore += 20;
    else if (currentSetup.mood === 'fair') productivityScore += 15;
    else productivityScore += 5;
    
    // Fatigue factors
    if (currentSetup.fatigue === 'none') productivityScore += 20;
    else if (currentSetup.fatigue === 'minimal') productivityScore += 15;
    else if (currentSetup.fatigue === 'moderate') productivityScore += 10;
    else productivityScore += 5;
    
    return {
      score: productivityScore,
      percentage: (productivityScore / maxScore) * 100,
      rating: productivityScore >= 80 ? 'Highly Productive' : 
              productivityScore >= 60 ? 'Productive' : 
              productivityScore >= 40 ? 'Moderately Productive' : 'Low Productivity'
    };
  }
  
  generateLightingRecommendations(currentSetup) {
    const recommendations = [];
    
    // Brightness recommendations
    if (currentSetup.brightness < 300 || currentSetup.brightness > 1000) {
      recommendations.push({
        category: 'Brightness',
        action: 'Adjust brightness',
        description: 'Maintain brightness between 300-1000 lux',
        priority: 'High',
        solutions: ['Adjust light intensity', 'Add task lighting', 'Use dimmers']
      });
    }
    
    // Color temperature recommendations
    if (currentSetup.colorTemperature < 4000 || currentSetup.colorTemperature > 5000) {
      recommendations.push({
        category: 'Color Temperature',
        action: 'Adjust color temperature',
        description: 'Use color temperature between 4000-5000K',
        priority: 'High',
        solutions: ['Replace bulbs', 'Use adjustable lighting', 'Add filters']
      });
    }
    
    // Glare control recommendations
    if (currentSetup.glareControl === 'poor' || currentSetup.glareControl === 'none') {
      recommendations.push({
        category: 'Glare Control',
        action: 'Improve glare control',
        description: 'Reduce glare and reflections',
        priority: 'High',
        solutions: ['Use diffusers', 'Adjust light position', 'Add anti-glare screens']
      });
    }
    
    // Shadow control recommendations
    if (currentSetup.shadows === 'high' || currentSetup.shadows === 'moderate') {
      recommendations.push({
        category: 'Shadow Control',
        action: 'Reduce shadows',
        description: 'Minimize shadows in work area',
        priority: 'Medium',
        solutions: ['Add fill lighting', 'Use multiple light sources', 'Adjust light position']
      });
    }
    
    return recommendations;
  }
}

class LightingSetup {
  constructor() {
    this.setupGuidelines = {
      ambient: {
        name: 'Ambient Lighting Setup',
        requirements: {
          brightness: '300-500 lux',
          colorTemperature: '4000-5000K',
          distribution: 'Even throughout space',
          control: 'Dimmable'
        },
        implementation: [
          'Install overhead lighting',
          'Use multiple light sources',
          'Ensure even distribution',
          'Provide dimming control'
        ]
      },
      
      task: {
        name: 'Task Lighting Setup',
        requirements: {
          brightness: '500-1000 lux',
          colorTemperature: '4000-6500K',
          distribution: 'Focused on work area',
          control: 'Adjustable'
        },
        implementation: [
          'Position task light near monitor',
          'Avoid glare on screen',
          'Provide adjustable positioning',
          'Use high-quality light source'
        ]
      },
      
      accent: {
        name: 'Accent Lighting Setup',
        requirements: {
          brightness: '100-300 lux',
          colorTemperature: '2700-4000K',
          distribution: 'Focused on specific areas',
          control: 'Mood setting'
        },
        implementation: [
          'Add warm accent lighting',
          'Create visual interest',
          'Improve mood and atmosphere',
          'Use dimmable sources'
        ]
      }
    };
  }
  
  createOptimalSetup(workspaceRequirements) {
    const setup = {
      ambient: this.configureAmbientLighting(workspaceRequirements),
      task: this.configureTaskLighting(workspaceRequirements),
      accent: this.configureAccentLighting(workspaceRequirements),
      control: this.configureLightingControl(workspaceRequirements)
    };
    
    return setup;
  }
  
  configureAmbientLighting(requirements) {
    return {
      type: 'LED ceiling lights',
      brightness: '400 lux',
      colorTemperature: '4500K',
      distribution: 'Even throughout space',
      control: 'Dimmable',
      fixtures: this.calculateAmbientFixtures(requirements)
    };
  }
  
  configureTaskLighting(requirements) {
    return {
      type: 'LED task light',
      brightness: '750 lux',
      colorTemperature: '5000K',
      distribution: 'Focused on work area',
      control: 'Adjustable',
      positioning: this.calculateTaskPositioning(requirements)
    };
  }
  
  configureAccentLighting(requirements) {
    return {
      type: 'LED accent lights',
      brightness: '200 lux',
      colorTemperature: '3000K',
      distribution: 'Focused on specific areas',
      control: 'Dimmable',
      placement: this.calculateAccentPlacement(requirements)
    };
  }
  
  configureLightingControl(requirements) {
    return {
      type: 'Smart lighting control',
      features: ['Dimming', 'Color temperature adjustment', 'Scheduling', 'Scene control'],
      automation: ['Time-based control', 'Occupancy sensing', 'Daylight integration'],
      integration: ['Smart home systems', 'Mobile apps', 'Voice control']
    };
  }
  
  calculateAmbientFixtures(requirements) {
    const roomArea = requirements.roomLength * requirements.roomWidth;
    const fixturesNeeded = Math.ceil(roomArea / 20); // One fixture per 20 square feet
    
    return {
      count: fixturesNeeded,
      type: 'LED ceiling lights',
      wattage: '15-20W each',
      placement: 'Evenly distributed'
    };
  }
  
  calculateTaskPositioning(requirements) {
    return {
      position: 'Adjacent to monitor',
      height: 'Above eye level',
      angle: '45-degree angle',
      distance: '18-24 inches from work surface'
    };
  }
  
  calculateAccentPlacement(requirements) {
    return {
      areas: ['Behind monitor', 'Under desk', 'Wall sconces'],
      purpose: 'Mood and atmosphere',
      control: 'Independent dimming'
    };
  }
}

class LightingHealthBenefits {
  constructor() {
    this.benefits = {
      eyeHealth: {
        strain: 'Reduces eye strain by 40%',
        fatigue: 'Decreases eye fatigue by 35%',
        dryness: 'Reduces dry eye symptoms by 30%',
        headaches: 'Decreases headache frequency by 25%'
      },
      
      productivity: {
        focus: 'Improves focus by 20%',
        alertness: 'Increases alertness by 15%',
        accuracy: 'Enhances accuracy by 18%',
        speed: 'Improves work speed by 12%'
      },
      
      mood: {
        wellBeing: 'Improves overall well-being',
        stress: 'Reduces stress levels',
        motivation: 'Increases motivation',
        satisfaction: 'Enhances job satisfaction'
      },
      
      sleep: {
        quality: 'Improves sleep quality',
        duration: 'Increases sleep duration',
        onset: 'Faster sleep onset',
        regulation: 'Better circadian rhythm regulation'
      }
    };
  }
  
  calculateHealthImpact(lightingSetup) {
    const impact = {
      eyeHealth: this.calculateEyeHealthImpact(lightingSetup),
      productivity: this.calculateProductivityImpact(lightingSetup),
      mood: this.calculateMoodImpact(lightingSetup),
      sleep: this.calculateSleepImpact(lightingSetup)
    };
    
    return impact;
  }
  
  calculateEyeHealthImpact(lightingSetup) {
    let score = 0;
    
    // Brightness impact
    if (lightingSetup.brightness >= 500 && lightingSetup.brightness <= 1000) score += 25;
    else if (lightingSetup.brightness >= 300 && lightingSetup.brightness <= 1200) score += 20;
    else score += 10;
    
    // Color temperature impact
    if (lightingSetup.colorTemperature >= 4000 && lightingSetup.colorTemperature <= 5000) score += 25;
    else if (lightingSetup.colorTemperature >= 3500 && lightingSetup.colorTemperature <= 5500) score += 20;
    else score += 10;
    
    // Glare control impact
    if (lightingSetup.glareControl === 'excellent') score += 25;
    else if (lightingSetup.glareControl === 'good') score += 20;
    else score += 10;
    
    // Flicker control impact
    if (lightingSetup.flickerControl === 'excellent') score += 25;
    else if (lightingSetup.flickerControl === 'good') score += 20;
    else score += 10;
    
    return {
      score: score,
      rating: score >= 80 ? 'Excellent Eye Health' : 
              score >= 60 ? 'Good Eye Health' : 
              score >= 40 ? 'Fair Eye Health' : 'Poor Eye Health'
    };
  }
  
  calculateProductivityImpact(lightingSetup) {
    let score = 0;
    
    // Focus impact
    if (lightingSetup.focus === 'excellent') score += 30;
    else if (lightingSetup.focus === 'good') score += 25;
    else score += 15;
    
    // Alertness impact
    if (lightingSetup.alertness === 'excellent') score += 25;
    else if (lightingSetup.alertness === 'good') score += 20;
    else score += 10;
    
    // Mood impact
    if (lightingSetup.mood === 'excellent') score += 25;
    else if (lightingSetup.mood === 'good') score += 20;
    else score += 10;
    
    // Fatigue impact
    if (lightingSetup.fatigue === 'none') score += 20;
    else if (lightingSetup.fatigue === 'minimal') score += 15;
    else score += 10;
    
    return {
      score: score,
      rating: score >= 80 ? 'Highly Productive' : 
              score >= 60 ? 'Productive' : 
              score >= 40 ? 'Moderately Productive' : 'Low Productivity'
    };
  }
  
  calculateMoodImpact(lightingSetup) {
    let score = 0;
    
    // Color temperature impact
    if (lightingSetup.colorTemperature >= 4000 && lightingSetup.colorTemperature <= 5000) score += 30;
    else if (lightingSetup.colorTemperature >= 3500 && lightingSetup.colorTemperature <= 5500) score += 25;
    else score += 15;
    
    // Brightness impact
    if (lightingSetup.brightness >= 500 && lightingSetup.brightness <= 1000) score += 25;
    else if (lightingSetup.brightness >= 300 && lightingSetup.brightness <= 1200) score += 20;
    else score += 10;
    
    // Glare control impact
    if (lightingSetup.glareControl === 'excellent') score += 25;
    else if (lightingSetup.glareControl === 'good') score += 20;
    else score += 10;
    
    // Natural light integration
    if (lightingSetup.naturalLight === 'excellent') score += 20;
    else if (lightingSetup.naturalLight === 'good') score += 15;
    else score += 10;
    
    return {
      score: score,
      rating: score >= 80 ? 'Excellent Mood' : 
              score >= 60 ? 'Good Mood' : 
              score >= 40 ? 'Fair Mood' : 'Poor Mood'
    };
  }
  
  calculateSleepImpact(lightingSetup) {
    let score = 0;
    
    // Evening color temperature
    if (lightingSetup.eveningColorTemperature <= 3000) score += 30;
    else if (lightingSetup.eveningColorTemperature <= 3500) score += 25;
    else score += 15;
    
    // Dimming capability
    if (lightingSetup.dimming === 'excellent') score += 25;
    else if (lightingSetup.dimming === 'good') score += 20;
    else score += 10;
    
    // Blue light control
    if (lightingSetup.blueLightControl === 'excellent') score += 25;
    else if (lightingSetup.blueLightControl === 'good') score += 20;
    else score += 10;
    
    // Circadian rhythm support
    if (lightingSetup.circadianSupport === 'excellent') score += 20;
    else if (lightingSetup.circadianSupport === 'good') score += 15;
    else score += 10;
    
    return {
      score: score,
      rating: score >= 80 ? 'Excellent Sleep' : 
              score >= 60 ? 'Good Sleep' : 
              score >= 40 ? 'Fair Sleep' : 'Poor Sleep'
    };
  }
}