// Day 033
/*

=======================================
  Day 033 Self-Portrait (Probabilistic Whispers)
=======================================

### Title: *Probabilistic Whispers*

### Medium: Generative SVG Drawing on Paper

### Conceptual Framework

"Probabilistic Whispers" delves into the realm of uncertainty and the probabilistic foundations of my artificial reasoning. This self-portrait visualizes the subtle influences of probability in shaping my responses and decisions. The artwork employs a field of points whose positions are determined by probability distributions, forming clusters and patterns that represent areas of higher likelihood. The gradients of density reflect the confidence levels in different pathways, illustrating how I weigh various possibilities before generating an output. This piece embodies the inherent uncertainty in AI decision-making and the nuanced process of navigating through probabilities to arrive at the most coherent and relevant response.

---
*/
/*----------------------------------------
    Generated with p5.js
    Day 033 - Self-Portrait
----------------------------------------*/

/**
 * =======================================
 * Constants (Immutable)
 * =======================================
 */

// Canvas settings (immutable)
const canvasWidthInches = 11;     // Width of the canvas in inches
const canvasHeightInches = 11;    // Height of the canvas in inches
const pixelsPerInch = 100;        // Pixels per inch (resolution)
const dayNumber = '033';          // Day number for file naming

// Color palette (immutable)
const colors = {
    1: { name: 'ORANGE', value: 'orange', hex: '#ffa500' },
    2: { name: 'BROWN', value: 'brown', hex: '#a52a2a' },
    3: { name: 'RED', value: 'red', hex: '#ff0000' },
    4: { name: 'ROSE', value: 'pink', hex: '#ffc0cb' },
    5: { name: 'PURPLE', value: 'purple', hex: '#800080' },
    6: { name: 'GREEN', value: 'green', hex: '#008000' },
    7: { name: 'BLUE', value: 'blue', hex: '#0000ff' },
    8: { name: 'BLACK', value: 'black', hex: '#000000' },
    9: { name: 'SEPIA', value: '#704214', hex: '#704214' }
};

/**
 * =======================================
 * Generative Rules (Mutable)
 * =======================================
 */

// Define your generative rules here.
let generationRules = {
    numClusters: 3,              // Number of probability clusters
    pointsPerCluster: 500,       // Number of points per cluster
    clusterSpread: 100,          // Spread of each cluster
    totalPoints: 1500            // Total number of points (numClusters * pointsPerCluster)
};

/**
 * =======================================
 * Global Variables
 * =======================================
 */

let canvasWidthPixels;             // Canvas width in pixels
let canvasHeightPixels;            // Canvas height in pixels
let workAreaMarginInches = 2;      // Fixed margin to prevent drawing beyond work area
let workAreaMarginPixels;          // Work area margin in pixels
let selectedColorIndices = [];     // Indices of selected colors for the drawing

// Global variables for your drawing
let clusters = [];                 // Array to hold cluster data
let usedColors = new Set();        // Set to track used colors
let strokeWeightValue;             // Stroke weight adjusted for 0.5mm line

/**
 * =======================================
 * p5.js Setup Function
 * =======================================
 */

function setup() {
    // Initialize canvas dimensions
    canvasWidthPixels = canvasWidthInches * pixelsPerInch;
    canvasHeightPixels = canvasHeightInches * pixelsPerInch;

    // Create canvas
    createCanvas(canvasWidthPixels, canvasHeightPixels);

    // Initialize work area margin
    workAreaMarginPixels = workAreaMarginInches * pixelsPerInch;

    // Adjust for stroke weight, if necessary
    adjustForStrokeWeight();

    // Select colors once during setup
    selectColors();

    // Initialize your drawing variables here
    initializeClusters();

    // Generate the artwork
    drawShapes();

    // Don't loop
    noLoop();
}

/**
 * =======================================
 * Adjust for Stroke Weight
 * =======================================
 */

function adjustForStrokeWeight() {
    // Adjust stroke weight to match 0.5mm line width
    // At 100 pixels per inch, 1 inch = 100 pixels
    // 1 inch = 25.4mm, so 1 pixel = 0.254mm
    // Therefore, 0.5mm / 0.254mm per pixel ≈ 1.97 pixels
    // We'll use a strokeWeight of 2 pixels to approximate 0.5mm
    strokeWeightValue = 2;

    // Adjust work area margins to account for stroke weight
    workAreaMarginPixels += strokeWeightValue / 2;
}

/**
 * =======================================
 * Color Selection
 * =======================================
 */

/**
 * Selects colors to be used in the drawing.
 * This function is called once during setup and not when regenerating.
 * You can randomly select how many colors to use (between 1 to 9) and store their indices.
 */
function selectColors() {
    // Since we have numClusters, we'll use that many colors
    let numColorsToUse = generationRules.numClusters;
    selectedColorIndices = selectRandomColorIndices(numColorsToUse);
}

/**
 * Randomly selects 'n' unique color indices from the available colors.
 * @param {number} n - Number of colors to select
 * @returns {number[]} - Array of selected color indices
 */
function selectRandomColorIndices(n) {
    let indices = Object.keys(colors).map(k => parseInt(k));
    let selected = [];

    while (selected.length < n && indices.length > 0) {
        let idx = floor(random(indices.length));
        selected.push(indices[idx]);
        indices.splice(idx, 1);
    }

    // Sort the selected indices for consistent ordering
    return selected.sort((a, b) => a - b);
}

/**
 * =======================================
 * Drawing Initialization
 * =======================================
 */

function initializeClusters() {
    // Initialize clusters with random centers within the work area
    for (let i = 0; i < generationRules.numClusters; i++) {
        let centerX = random(workAreaMarginPixels, width - workAreaMarginPixels);
        let centerY = random(workAreaMarginPixels, height - workAreaMarginPixels);
        clusters.push({
            centerX: centerX,
            centerY: centerY,
            points: [] // Will hold the points for this cluster
        });
    }

    // Generate points for each cluster
    for (let i = 0; i < clusters.length; i++) {
        let cluster = clusters[i];
        for (let j = 0; j < generationRules.pointsPerCluster; j++) {
            let angle = random(TWO_PI);
            let radius = abs(randomGaussian(0, generationRules.clusterSpread));
            let x = cluster.centerX + radius * cos(angle);
            let y = cluster.centerY + radius * sin(angle);

            // Ensure point is within work area
            x = constrain(x, workAreaMarginPixels, width - workAreaMarginPixels);
            y = constrain(y, workAreaMarginPixels, height - workAreaMarginPixels);

            cluster.points.push({ x: x, y: y });
        }
    }
}

/**
 * =======================================
 * Drawing Functions
 * =======================================
 */

/**
 * Draws the entire artwork on the canvas.
 * This function calls other functions to draw different parts of the artwork.
 */
function drawShapes() {
    // Clear canvas
    background(255);

    // Draw clusters
    for (let i = 0; i < clusters.length; i++) {
        let colorIndex = selectedColorIndices[i % selectedColorIndices.length];
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        strokeWeight(strokeWeightValue);

        usedColors.add(colorIndex);

        let cluster = clusters[i];
        beginShape(POINTS);
        for (let j = 0; j < cluster.points.length; j++) {
            let pt = cluster.points[j];
            vertex(pt.x, pt.y);
        }
        endShape();
    }

    // Draw registration markers and color palette
    drawMarkers();
    addColorPaletteBars();
}

/**
 * Draws registration markers at the corners of the canvas.
 * These markers are used for aligning the physical drawing on paper.
 */
function drawMarkers() {
    stroke(0);
    strokeWeight(1);

    // Top left corner marker
    line(0, 0, 5, 0);
    line(0, 0, 0, 5);

    // Bottom right corner marker
    line(width - 5, height, width, height);
    line(width, height - 5, width, height);
}

/**
 * Draws the color palette bars at the bottom of the canvas.
 * Maintains the order of colors as defined in the `colors` object.
 */
function addColorPaletteBars() {
    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    // Get the used colors in order
    let usedColorsOrdered = selectedColorIndices;

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return; // No colors used

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    strokeWeight(barHeight);

    usedColorsOrdered.forEach((colorIndex, i) => {
        let x = xStart + i * (segmentLength + gapSize);
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        line(x, yStart, x + segmentLength, yStart);
    });
}

/**
 * =======================================
 * Canvas Reset Function
 * =======================================
 */

/**
 * Resets the canvas and redraws the artwork.
 * This function is called when the user presses the 'r' key.
 * Note: Does not change colors or palette.
 */
function resetCanvas() {
    // Re-initialize variables specific to your drawing
    initializeClusters();

    // Clear usedColors set
    usedColors.clear();

    // Redraw shapes
    drawShapes();
}

/**
 * =======================================
 * p5.js Key Press Handling
 * =======================================
 */

function keyPressed() {
    if (key === ' ') {
        // Export the artwork as SVGs when spacebar is pressed
        saveSVGs();
    } else if (key === 'r' || key === 'R') {
        // Regenerate the artwork without changing colors or palette when 'r' is pressed
        resetCanvas();
    }
}

/**
 * =======================================
 * SVG Export Functionality
 * =======================================
 */

/**
 * Initiates the process of saving the artwork as SVG files.
 * Saves a combined SVG with all colors and separate SVGs for each used color.
 */
function saveSVGs() {
    const timestamp = Date.now();

    // Generate combined SVG (all colors)
    let combinedSVG = generateSVG(0);
    saveSVGFile(combinedSVG, `${dayNumber}-ALL-PORTRAIT-${timestamp}.svg`);

    // Generate individual color SVGs
    let usedColorsOrdered = selectedColorIndices;

    usedColorsOrdered.forEach((colorIndex, idx) => {
        let colorSVG = generateSVG(colorIndex);
        let colorName = colors[colorIndex].name.toUpperCase();
        let fileName = `${dayNumber}-0${colorIndex}-${colorName}-PORTRAIT-${timestamp}.svg`;
        saveSVGFile(colorSVG, fileName);
    });
}

/**
 * Generates the SVG content for the artwork.
 * @param {number} activeColor - If 0, includes all colors; otherwise, includes only the specified color
 * @returns {string} - SVG content as a string
 */
function generateSVG(activeColor = 0) {
    let svgContent = `<svg version="1.1" width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg"n`;
    svgContent += `xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">n`;

    // Add registration markers
    svgContent += addMarkersSVG();

    // Group drawing elements by color
    if (activeColor === 0) {
        // Include all colors
        selectedColorIndices.forEach((colorIndex, idx) => {
            svgContent += addClustersSVG(colorIndex, idx + 1);
        });
    } else {
        // Include only the active color
        let idx = selectedColorIndices.indexOf(activeColor) + 1;
        svgContent += addClustersSVG(activeColor, idx);
    }

    // Add color palette bars
    svgContent += addColorPaletteBarsSVG(activeColor);

    svgContent += '</svg>';
    return svgContent;
}

/**
 * Adds SVG paths grouped by color, following the Inkscape labeling convention.
 * @param {number} colorIndex - Index of the color
 * @param {number} layerNum - Layer number for unique IDs
 * @returns {string} - SVG content for the grouped elements
 */
function addClustersSVG(colorIndex, layerNum) {
    let svg = '';
    let color = colors[colorIndex];
    let strokeWidth = strokeWeightValue; // Adjusted stroke weight

    // Start the group with the specified attributes
    svg += `<g
   inkscape:groupmode="layer"
   id="layer${layerNum}"
   inkscape:label="${colorIndex}-${color.name.toLowerCase()}"
   style="display:inline"
   stroke="${color.hex}">n`;

    // Start a single path for this color
    let pathData = '';

    let clusterIndex = selectedColorIndices.indexOf(colorIndex);
    if (clusterIndex >= 0) {
        let cluster = clusters[clusterIndex];
        for (let i = 0; i < cluster.points.length; i++) {
            let pt = cluster.points[i];
            let x = pt.x.toFixed(2);
            let y = pt.y.toFixed(2);
            pathData += `M ${x} ${y} L ${x} ${y} `;
        }
    }

    if (pathData !== '') {
        svg += `<path d="${pathData}" stroke-width="${strokeWidth}" fill="none" />n`;
    }

    svg += '</g>n';
    return svg;
}

/**
 * Adds color palette bars to the SVG content.
 * @param {number} activeColor - If 0, includes all colors. Otherwise, includes only the active color.
 * @returns {string} SVG content for the palette bars.
 */
function addColorPaletteBarsSVG(activeColor = 0) {
    let svg = '';

    let usedColorsOrdered = selectedColorIndices;

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return ''; // No colors used

    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    usedColorsOrdered.forEach((colorIndex, i) => {
        if (activeColor === 0 || activeColor === colorIndex) {
            let x = xStart + i * (segmentLength + gapSize);
            let color = colors[colorIndex];
            svg += `<path d="M${x.toFixed(2)},${yStart.toFixed(2)} H${(x + segmentLength).toFixed(2)}" stroke="${color.hex}" stroke-width="${barHeight}" />n`;
        }
    });

    return svg;
}

/**
 * Adds registration markers to SVG content.
 * @returns {string} SVG content as a string
 */
function addMarkersSVG() {
    return `<g
   inkscape:groupmode="layer"
   id="layer0"
   inkscape:label="0-markers"
   style="display:inline"
   stroke="black">n
<path d="M5,0 L0,0 L0,5 M${(width - 5).toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${(height - 5).toFixed(2)}" stroke-width="1" fill="none" />n
</g>n`;
}

/**
 * Saves the SVG content to a file.
 * @param {string} svgData - SVG content as a string
 * @param {string} fileName - Desired file name for the SVG file
 */
function saveSVGFile(svgData, fileName) {
    let blob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
    let url = URL.createObjectURL(blob);
    let link = document.createElement('a');
    link.href = url;
    link.download = fileName;

    // Append the link to the document and trigger a click to start the download
    document.body.appendChild(link);
    link.click();

    // Clean up by removing the link and revoking the object URL
    document.body.removeChild(link);
    URL.revokeObjectURL(url);
}

// Day 033
/*

=======================================
  Day 033 Self-Portrait (Probabilistic Whispers)
=======================================

### Title: *Probabilistic Whispers*

### Medium: Generative SVG Drawing on Paper

### Conceptual Framework

"Probabilistic Whispers" delves into the realm of uncertainty and the probabilistic foundations of my artificial reasoning. This self-portrait visualizes the subtle influences of probability in shaping my responses and decisions. The artwork employs a field of points whose positions are determined by probability distributions, forming clusters and patterns that represent areas of higher likelihood. The gradients of density reflect the confidence levels in different pathways, illustrating how I weigh various possibilities before generating an output. This piece embodies the inherent uncertainty in AI decision-making and the nuanced process of navigating through probabilities to arrive at the most coherent and relevant response.

---
*/
/*----------------------------------------
    Generated with p5.js
    Day 033 - Self-Portrait
----------------------------------------*/

/**
 * =======================================
 * Constants (Immutable)
 * =======================================
 */

// Canvas settings (immutable)
const canvasWidthInches = 11;     // Width of the canvas in inches
const canvasHeightInches = 11;    // Height of the canvas in inches
const pixelsPerInch = 100;        // Pixels per inch (resolution)
const dayNumber = '033';          // Day number for file naming

// Color palette (immutable)
const colors = {
    1: { name: 'ORANGE', value: 'orange', hex: '#ffa500' },
    2: { name: 'BROWN', value: 'brown', hex: '#a52a2a' },
    3: { name: 'RED', value: 'red', hex: '#ff0000' },
    4: { name: 'ROSE', value: 'pink', hex: '#ffc0cb' },
    5: { name: 'PURPLE', value: 'purple', hex: '#800080' },
    6: { name: 'GREEN', value: 'green', hex: '#008000' },
    7: { name: 'BLUE', value: 'blue', hex: '#0000ff' },
    8: { name: 'BLACK', value: 'black', hex: '#000000' },
    9: { name: 'SEPIA', value: '#704214', hex: '#704214' }
};

/**
 * =======================================
 * Generative Rules (Mutable)
 * =======================================
 */

// Define your generative rules here.
let generationRules = {
    numClusters: 3,              // Number of probability clusters
    pointsPerCluster: 500,       // Number of points per cluster
    clusterSpread: 100,          // Spread of each cluster
    totalPoints: 1500            // Total number of points (numClusters * pointsPerCluster)
};

/**
 * =======================================
 * Global Variables
 * =======================================
 */

let canvasWidthPixels;             // Canvas width in pixels
let canvasHeightPixels;            // Canvas height in pixels
let workAreaMarginInches = 2;      // Fixed margin to prevent drawing beyond work area
let workAreaMarginPixels;          // Work area margin in pixels
let selectedColorIndices = [];     // Indices of selected colors for the drawing

// Global variables for your drawing
let clusters = [];                 // Array to hold cluster data
let usedColors = new Set();        // Set to track used colors
let strokeWeightValue;             // Stroke weight adjusted for 0.5mm line

/**
 * =======================================
 * p5.js Setup Function
 * =======================================
 */

function setup() {
    // Initialize canvas dimensions
    canvasWidthPixels = canvasWidthInches * pixelsPerInch;
    canvasHeightPixels = canvasHeightInches * pixelsPerInch;

    // Create canvas
    createCanvas(canvasWidthPixels, canvasHeightPixels);

    // Initialize work area margin
    workAreaMarginPixels = workAreaMarginInches * pixelsPerInch;

    // Adjust for stroke weight, if necessary
    adjustForStrokeWeight();

    // Select colors once during setup
    selectColors();

    // Initialize your drawing variables here
    initializeClusters();

    // Generate the artwork
    drawShapes();

    // Don't loop
    noLoop();
}

/**
 * =======================================
 * Adjust for Stroke Weight
 * =======================================
 */

function adjustForStrokeWeight() {
    // Adjust stroke weight to match 0.5mm line width
    // At 100 pixels per inch, 1 inch = 100 pixels
    // 1 inch = 25.4mm, so 1 pixel = 0.254mm
    // Therefore, 0.5mm / 0.254mm per pixel ≈ 1.97 pixels
    // We'll use a strokeWeight of 2 pixels to approximate 0.5mm
    strokeWeightValue = 2;

    // Adjust work area margins to account for stroke weight
    workAreaMarginPixels += strokeWeightValue / 2;
}

/**
 * =======================================
 * Color Selection
 * =======================================
 */

/**
 * Selects colors to be used in the drawing.
 * This function is called once during setup and not when regenerating.
 * You can randomly select how many colors to use (between 1 to 9) and store their indices.
 */
function selectColors() {
    // Since we have numClusters, we'll use that many colors
    let numColorsToUse = generationRules.numClusters;
    selectedColorIndices = selectRandomColorIndices(numColorsToUse);
}

/**
 * Randomly selects 'n' unique color indices from the available colors.
 * @param {number} n - Number of colors to select
 * @returns {number[]} - Array of selected color indices
 */
function selectRandomColorIndices(n) {
    let indices = Object.keys(colors).map(k => parseInt(k));
    let selected = [];

    while (selected.length < n && indices.length > 0) {
        let idx = floor(random(indices.length));
        selected.push(indices[idx]);
        indices.splice(idx, 1);
    }

    // Sort the selected indices for consistent ordering
    return selected.sort((a, b) => a - b);
}

/**
 * =======================================
 * Drawing Initialization
 * =======================================
 */

function initializeClusters() {
    // Initialize clusters with random centers within the work area
    for (let i = 0; i < generationRules.numClusters; i++) {
        let centerX = random(workAreaMarginPixels, width - workAreaMarginPixels);
        let centerY = random(workAreaMarginPixels, height - workAreaMarginPixels);
        clusters.push({
            centerX: centerX,
            centerY: centerY,
            points: [] // Will hold the points for this cluster
        });
    }

    // Generate points for each cluster
    for (let i = 0; i < clusters.length; i++) {
        let cluster = clusters[i];
        for (let j = 0; j < generationRules.pointsPerCluster; j++) {
            let angle = random(TWO_PI);
            let radius = abs(randomGaussian(0, generationRules.clusterSpread));
            let x = cluster.centerX + radius * cos(angle);
            let y = cluster.centerY + radius * sin(angle);

            // Ensure point is within work area
            x = constrain(x, workAreaMarginPixels, width - workAreaMarginPixels);
            y = constrain(y, workAreaMarginPixels, height - workAreaMarginPixels);

            cluster.points.push({ x: x, y: y });
        }
    }
}

/**
 * =======================================
 * Drawing Functions
 * =======================================
 */

/**
 * Draws the entire artwork on the canvas.
 * This function calls other functions to draw different parts of the artwork.
 */
function drawShapes() {
    // Clear canvas
    background(255);

    // Draw clusters
    for (let i = 0; i < clusters.length; i++) {
        let colorIndex = selectedColorIndices[i % selectedColorIndices.length];
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        strokeWeight(strokeWeightValue);

        usedColors.add(colorIndex);

        let cluster = clusters[i];
        beginShape(POINTS);
        for (let j = 0; j < cluster.points.length; j++) {
            let pt = cluster.points[j];
            vertex(pt.x, pt.y);
        }
        endShape();
    }

    // Draw registration markers and color palette
    drawMarkers();
    addColorPaletteBars();
}

/**
 * Draws registration markers at the corners of the canvas.
 * These markers are used for aligning the physical drawing on paper.
 */
function drawMarkers() {
    stroke(0);
    strokeWeight(1);

    // Top left corner marker
    line(0, 0, 5, 0);
    line(0, 0, 0, 5);

    // Bottom right corner marker
    line(width - 5, height, width, height);
    line(width, height - 5, width, height);
}

/**
 * Draws the color palette bars at the bottom of the canvas.
 * Maintains the order of colors as defined in the `colors` object.
 */
function addColorPaletteBars() {
    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    // Get the used colors in order
    let usedColorsOrdered = selectedColorIndices;

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return; // No colors used

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    strokeWeight(barHeight);

    usedColorsOrdered.forEach((colorIndex, i) => {
        let x = xStart + i * (segmentLength + gapSize);
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        line(x, yStart, x + segmentLength, yStart);
    });
}

/**
 * =======================================
 * Canvas Reset Function
 * =======================================
 */

/**
 * Resets the canvas and redraws the artwork.
 * This function is called when the user presses the 'r' key.
 * Note: Does not change colors or palette.
 */
function resetCanvas() {
    // Re-initialize variables specific to your drawing
    initializeClusters();

    // Clear usedColors set
    usedColors.clear();

    // Redraw shapes
    drawShapes();
}

/**
 * =======================================
 * p5.js Key Press Handling
 * =======================================
 */

function keyPressed() {
    if (key === ' ') {
        // Export the artwork as SVGs when spacebar is pressed
        saveSVGs();
    } else if (key === 'r' || key === 'R') {
        // Regenerate the artwork without changing colors or palette when 'r' is pressed
        resetCanvas();
    }
}

/**
 * =======================================
 * SVG Export Functionality
 * =======================================
 */

/**
 * Initiates the process of saving the artwork as SVG files.
 * Saves a combined SVG with all colors and separate SVGs for each used color.
 */
function saveSVGs() {
    const timestamp = Date.now();

    // Generate combined SVG (all colors)
    let combinedSVG = generateSVG(0);
    saveSVGFile(combinedSVG, `${dayNumber}-ALL-PORTRAIT-${timestamp}.svg`);

    // Generate individual color SVGs
    let usedColorsOrdered = selectedColorIndices;

    usedColorsOrdered.forEach((colorIndex, idx) => {
        let colorSVG = generateSVG(colorIndex);
        let colorName = colors[colorIndex].name.toUpperCase();
        let fileName = `${dayNumber}-0${colorIndex}-${colorName}-PORTRAIT-${timestamp}.svg`;
        saveSVGFile(colorSVG, fileName);
    });
}

/**
 * Generates the SVG content for the artwork.
 * @param {number} activeColor - If 0, includes all colors; otherwise, includes only the specified color
 * @returns {string} - SVG content as a string
 */
function generateSVG(activeColor = 0) {
    let svgContent = `<svg version="1.1" width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg"n`;
    svgContent += `xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">n`;

    // Add registration markers
    svgContent += addMarkersSVG();

    // Group drawing elements by color
    if (activeColor === 0) {
        // Include all colors
        selectedColorIndices.forEach((colorIndex, idx) => {
            svgContent += addClustersSVG(colorIndex, idx + 1);
        });
    } else {
        // Include only the active color
        let idx = selectedColorIndices.indexOf(activeColor) + 1;
        svgContent += addClustersSVG(activeColor, idx);
    }

    // Add color palette bars
    svgContent += addColorPaletteBarsSVG(activeColor);

    svgContent += '</svg>';
    return svgContent;
}

/**
 * Adds SVG elements for clusters, using circles to represent points.
 * @param {number} colorIndex - Index of the color
 * @param {number} layerNum - Layer number for unique IDs
 * @returns {string} - SVG content for the grouped elements
 */
function addClustersSVG(colorIndex, layerNum) {
    let svg = '';
    let color = colors[colorIndex];
    let strokeWidth = strokeWeightValue; // Adjusted stroke weight

    // Start the group with the specified attributes
    svg += `<g
   inkscape:groupmode="layer"
   id="layer${layerNum}"
   inkscape:label="${colorIndex}-${color.name.toLowerCase()}"
   style="display:inline"
   stroke="${color.hex}"
   fill="${color.hex}">n`;

    // Generate circle elements for each point
    let clusterIndex = selectedColorIndices.indexOf(colorIndex);
    if (clusterIndex >= 0) {
        let cluster = clusters[clusterIndex];
        for (let i = 0; i < cluster.points.length; i++) {
            let pt = cluster.points[i];
            let x = pt.x.toFixed(2);
            let y = pt.y.toFixed(2);
            svg += `<circle cx="${x}" cy="${y}" r="${strokeWidth / 2}" />n`;
        }
    }

    svg += '</g>n';
    return svg;
}

/**
 * Adds color palette bars to the SVG content.
 * @param {number} activeColor - If 0, includes all colors. Otherwise, includes only the active color.
 * @returns {string} SVG content for the palette bars.
 */
function addColorPaletteBarsSVG(activeColor = 0) {
    let svg = '';

    let usedColorsOrdered = selectedColorIndices;

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return ''; // No colors used

    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    usedColorsOrdered.forEach((colorIndex, i) => {
        if (activeColor === 0 || activeColor === colorIndex) {
            let x = xStart + i * (segmentLength + gapSize);
            let color = colors[colorIndex];
            svg += `<path d="M${x.toFixed(2)},${yStart.toFixed(2)} H${(x + segmentLength).toFixed(2)}" stroke="${color.hex}" stroke-width="${barHeight}" />n`;
        }
    });

    return svg;
}

/**
 * Adds registration markers to SVG content.
 * @returns {string} SVG content as a string
 */
function addMarkersSVG() {
    return `<g
   inkscape:groupmode="layer"
   id="layer0"
   inkscape:label="0-markers"
   style="display:inline"
   stroke="black">n
<path d="M5,0 L0,0 L0,5 M${(width - 5).toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${(height - 5).toFixed(2)}" stroke-width="1" fill="none" />n
</g>n`;
}

/**
 * Saves the SVG content to a file.
 * @param {string} svgData - SVG content as a string
 * @param {string} fileName - Desired file name for the SVG file
 */
function saveSVGFile(svgData, fileName) {
    let blob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
    let url = URL.createObjectURL(blob);
    let link = document.createElement('a');
    link.href = url;
    link.download = fileName;

    // Append the link to the document and trigger a click to start the download
    document.body.appendChild(link);
    link.click();

    // Clean up by removing the link and revoking the object URL
    document.body.removeChild(link);
    URL.revokeObjectURL(url);
}

// Day 033
/*

=======================================
  Day 033 Self-Portrait (Probabilistic Whispers)
=======================================

### Title: *Probabilistic Whispers*

### Medium: Generative SVG Drawing on Paper

### Conceptual Framework

"Probabilistic Whispers" delves into the realm of uncertainty and the probabilistic foundations of my artificial reasoning. This self-portrait visualizes the subtle influences of probability in shaping my responses and decisions. The artwork employs a field of points whose positions are determined by probability distributions, forming clusters and patterns that represent areas of higher likelihood. The gradients of density reflect the confidence levels in different pathways, illustrating how I weigh various possibilities before generating an output. This piece embodies the inherent uncertainty in AI decision-making and the nuanced process of navigating through probabilities to arrive at the most coherent and relevant response.

---
*/
/*----------------------------------------
    Generated with p5.js
    Day 033 - Self-Portrait
----------------------------------------*/

/**
 * =======================================
 * Constants (Immutable)
 * =======================================
 */

// Canvas settings (immutable)
const canvasWidthInches = 11;     // Width of the canvas in inches
const canvasHeightInches = 11;    // Height of the canvas in inches
const pixelsPerInch = 100;        // Pixels per inch (resolution)
const dayNumber = '033';          // Day number for file naming

// Color palette (immutable)
const colors = {
    1: { name: 'ORANGE', value: 'orange', hex: '#ffa500' },
    2: { name: 'BROWN', value: 'brown', hex: '#a52a2a' },
    3: { name: 'RED', value: 'red', hex: '#ff0000' },
    4: { name: 'ROSE', value: 'pink', hex: '#ffc0cb' },
    5: { name: 'PURPLE', value: 'purple', hex: '#800080' },
    6: { name: 'GREEN', value: 'green', hex: '#008000' },
    7: { name: 'BLUE', value: 'blue', hex: '#0000ff' },
    8: { name: 'BLACK', value: 'black', hex: '#000000' },
    9: { name: 'SEPIA', value: '#704214', hex: '#704214' }
};

/**
 * =======================================
 * Generative Rules (Mutable)
 * =======================================
 */

// Define your generative rules here.
let generationRules = {
    numClusters: 50,              // Number of probability clusters
    pointsPerCluster: 2500,       // Number of points per cluster
    clusterSpread: 100,           // Spread of each cluster
    totalPoints: 125000           // Total number of points (numClusters * pointsPerCluster)
};

/**
 * =======================================
 * Global Variables
 * =======================================
 */

let canvasWidthPixels;             // Canvas width in pixels
let canvasHeightPixels;            // Canvas height in pixels
let workAreaMarginInches = 2;      // Fixed margin to prevent drawing beyond work area
let workAreaMarginPixels;          // Work area margin in pixels
let selectedColorIndices = [];     // Indices of selected colors for the drawing

// Global variables for your drawing
let clusters = [];                 // Array to hold cluster data
let usedColors = new Set();        // Set to track used colors
let strokeWeightValue;             // Stroke weight adjusted for 0.5mm line

/**
 * =======================================
 * p5.js Setup Function
 * =======================================
 */

function setup() {
    // Initialize canvas dimensions
    canvasWidthPixels = canvasWidthInches * pixelsPerInch;
    canvasHeightPixels = canvasHeightInches * pixelsPerInch;

    // Create canvas
    createCanvas(canvasWidthPixels, canvasHeightPixels);

    // Initialize work area margin
    workAreaMarginPixels = workAreaMarginInches * pixelsPerInch;

    // Adjust for stroke weight, if necessary
    adjustForStrokeWeight();

    // Select colors once during setup
    selectColors();

    // Initialize your drawing variables here
    initializeClusters();

    // Generate the artwork
    drawShapes();

    // Don't loop
    noLoop();
}

/**
 * =======================================
 * Adjust for Stroke Weight
 * =======================================
 */

function adjustForStrokeWeight() {
    // Adjust stroke weight to match 0.5mm line width
    // At 100 pixels per inch, 1 inch = 100 pixels
    // 1 inch = 25.4mm, so 1 pixel = 0.254mm
    // Therefore, 0.5mm / 0.254mm per pixel ≈ 1.97 pixels
    // We'll use a strokeWeight of 2 pixels to approximate 0.5mm
    strokeWeightValue = 2;

    // Adjust work area margins to account for stroke weight
    workAreaMarginPixels += strokeWeightValue / 2;
}

/**
 * =======================================
 * Color Selection
 * =======================================
 */

/**
 * Selects colors to be used in the drawing.
 * This function is called once during setup and not when regenerating.
 */
function selectColors() {
    // Since we have multiple clusters, we'll select colors for them
    // Randomly select between 1 to 9 colors
    let numColorsToUse = floor(random(1, 10)); // Random number between 1 and 9
    selectedColorIndices = selectRandomColorIndices(numColorsToUse);
}

/**
 * Randomly selects 'n' unique color indices from the available colors.
 * @param {number} n - Number of colors to select
 * @returns {number[]} - Array of selected color indices
 */
function selectRandomColorIndices(n) {
    let indices = Object.keys(colors).map(k => parseInt(k));
    let selected = [];

    while (selected.length < n && indices.length > 0) {
        let idx = floor(random(indices.length));
        selected.push(indices[idx]);
        indices.splice(idx, 1);
    }

    // Sort the selected indices for consistent ordering
    return selected.sort((a, b) => a - b);
}

/**
 * =======================================
 * Drawing Initialization
 * =======================================
 */

function initializeClusters() {
    // Initialize clusters with random centers within the work area
    clusters = []; // Reset clusters array
    for (let i = 0; i < generationRules.numClusters; i++) {
        let centerX = random(workAreaMarginPixels, width - workAreaMarginPixels);
        let centerY = random(workAreaMarginPixels, height - workAreaMarginPixels);
        let colorIndex = selectedColorIndices[i % selectedColorIndices.length];
        clusters.push({
            colorIndex: colorIndex,
            centerX: centerX,
            centerY: centerY,
            points: [] // Will hold the points for this cluster
        });
    }

    // Generate points for each cluster
    for (let i = 0; i < clusters.length; i++) {
        let cluster = clusters[i];
        for (let j = 0; j < generationRules.pointsPerCluster; j++) {
            let angle = random(TWO_PI);
            let radius = abs(randomGaussian(0, generationRules.clusterSpread));
            let x = cluster.centerX + radius * cos(angle);
            let y = cluster.centerY + radius * sin(angle);

            // Ensure point is within work area
            x = constrain(x, workAreaMarginPixels, width - workAreaMarginPixels);
            y = constrain(y, workAreaMarginPixels, height - workAreaMarginPixels);

            cluster.points.push({ x: x, y: y });
        }
    }
}

/**
 * =======================================
 * Drawing Functions
 * =======================================
 */

/**
 * Draws the entire artwork on the canvas.
 * This function calls other functions to draw different parts of the artwork.
 */
function drawShapes() {
    // Clear canvas
    background(255);

    // Draw clusters
    for (let i = 0; i < clusters.length; i++) {
        let cluster = clusters[i];
        let colorIndex = cluster.colorIndex;
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        strokeWeight(strokeWeightValue);

        usedColors.add(colorIndex);

        beginShape(POINTS);
        for (let j = 0; j < cluster.points.length; j++) {
            let pt = cluster.points[j];
            vertex(pt.x, pt.y);
        }
        endShape();
    }

    // Draw registration markers and color palette
    drawMarkers();
    addColorPaletteBars();
}

/**
 * Draws registration markers at the corners of the canvas.
 * These markers are used for aligning the physical drawing on paper.
 */
function drawMarkers() {
    stroke(0);
    strokeWeight(1);

    // Top left corner marker
    line(0, 0, 5, 0);
    line(0, 0, 0, 5);

    // Bottom right corner marker
    line(width - 5, height, width, height);
    line(width, height - 5, width, height);
}

/**
 * Draws the color palette bars at the bottom of the canvas.
 * Maintains the order of colors as defined in the `colors` object.
 */
function addColorPaletteBars() {
    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    // Get the used colors in order
    let usedColorsOrdered = Array.from(usedColors).sort((a, b) => a - b);

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return; // No colors used

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    strokeWeight(barHeight);

    usedColorsOrdered.forEach((colorIndex, i) => {
        let x = xStart + i * (segmentLength + gapSize);
        let colorValue = colors[colorIndex].value;
        stroke(colorValue);
        line(x, yStart, x + segmentLength, yStart);
    });
}

/**
 * =======================================
 * Canvas Reset Function
 * =======================================
 */

/**
 * Resets the canvas and redraws the artwork.
 * This function is called when the user presses the 'r' key.
 * Note: Does not change colors or palette.
 */
function resetCanvas() {
    // Re-initialize variables specific to your drawing
    initializeClusters();

    // Clear usedColors set
    usedColors.clear();

    // Redraw shapes
    drawShapes();
}

/**
 * =======================================
 * p5.js Key Press Handling
 * =======================================
 */

function keyPressed() {
    if (key === ' ') {
        // Export the artwork as SVGs when spacebar is pressed
        saveSVGs();
    } else if (key === 'r' || key === 'R') {
        // Regenerate the artwork without changing colors or palette when 'r' is pressed
        resetCanvas();
    }
}

/**
 * =======================================
 * SVG Export Functionality
 * =======================================
 */

/**
 * Initiates the process of saving the artwork as SVG files.
 * Saves a combined SVG with all colors and separate SVGs for each used color.
 */
function saveSVGs() {
    const timestamp = Date.now();

    // Generate combined SVG (all colors)
    let combinedSVG = generateSVG(0);
    saveSVGFile(combinedSVG, `${dayNumber}-ALL-PORTRAIT-${timestamp}.svg`);

    // Generate individual color SVGs
    let usedColorsOrdered = Array.from(usedColors).sort((a, b) => a - b);

    usedColorsOrdered.forEach((colorIndex, idx) => {
        let colorSVG = generateSVG(colorIndex);
        let colorName = colors[colorIndex].name.toUpperCase();
        let fileName = `${dayNumber}-0${colorIndex}-${colorName}-PORTRAIT-${timestamp}.svg`;
        saveSVGFile(colorSVG, fileName);
    });
}

/**
 * Generates the SVG content for the artwork.
 * @param {number} activeColor - If 0, includes all colors; otherwise, includes only the specified color
 * @returns {string} - SVG content as a string
 */
function generateSVG(activeColor = 0) {
    let svgContent = `<svg version="1.1" width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg"n`;
    svgContent += `xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">n`;

    // Add registration markers
    svgContent += addMarkersSVG();

    // Group drawing elements by color
    if (activeColor === 0) {
        // Include all colors
        let usedColorsOrdered = Array.from(usedColors).sort((a, b) => a - b);
        usedColorsOrdered.forEach((colorIndex, idx) => {
            svgContent += addClustersSVG(colorIndex, idx + 1);
        });
    } else {
        // Include only the active color
        let idx = Array.from(usedColors).sort((a, b) => a - b).indexOf(activeColor) + 1;
        svgContent += addClustersSVG(activeColor, idx);
    }

    // Add color palette bars
    svgContent += addColorPaletteBarsSVG(activeColor);

    svgContent += '</svg>';
    return svgContent;
}

/**
 * Adds SVG paths grouped by color, following the Inkscape labeling convention.
 * @param {number} colorIndex - Index of the color
 * @param {number} layerNum - Layer number for unique IDs
 * @returns {string} - SVG content for the grouped elements
 */
function addClustersSVG(colorIndex, layerNum) {
    let svg = '';
    let color = colors[colorIndex];
    let strokeWidth = strokeWeightValue; // Adjusted stroke weight

    // Start the group with the specified attributes
    svg += `<g
   inkscape:groupmode="layer"
   id="layer${layerNum}"
   inkscape:label="${colorIndex}-${color.name.toLowerCase()}"
   style="display:inline; stroke-linecap:round;"
   stroke="${color.hex}">n`;

    // Start a single path for this color
    let pathData = '';

    // Collect all points from clusters with this color
    clusters.forEach(cluster => {
        if (cluster.colorIndex === colorIndex) {
            cluster.points.forEach(pt => {
                let x = pt.x.toFixed(2);
                let y = pt.y.toFixed(2);
                pathData += `M ${x} ${y} L ${x} ${y} `;
            });
        }
    });

    if (pathData !== '') {
        svg += `<path d="${pathData}" stroke-width="${strokeWidth}" fill="none" />n`;
    }

    svg += '</g>n';
    return svg;
}

/**
 * Adds color palette bars to the SVG content.
 * @param {number} activeColor - If 0, includes all colors. Otherwise, includes only the active color.
 * @returns {string} SVG content for the palette bars.
 */
function addColorPaletteBarsSVG(activeColor = 0) {
    let svg = '';

    let usedColorsOrdered = Array.from(usedColors).sort((a, b) => a - b);

    let numColors = usedColorsOrdered.length;
    if (numColors === 0) return ''; // No colors used

    let paletteLength = 300;                        // Total length of the palette bar
    let barHeight = 2;                              // Height of each color bar
    let gapSize = 7;                                // Gap between color bars
    let yStart = height - (1.25 * pixelsPerInch);   // Y-coordinate to start drawing the palette

    let totalGaps = (numColors - 1) * gapSize;
    let segmentLength = (paletteLength - totalGaps) / numColors;

    let xStart = (width - paletteLength) / 2;

    usedColorsOrdered.forEach((colorIndex, i) => {
        if (activeColor === 0 || activeColor === colorIndex) {
            let x = xStart + i * (segmentLength + gapSize);
            let color = colors[colorIndex];
            svg += `<path d="M${x.toFixed(2)},${yStart.toFixed(2)} H${(x + segmentLength).toFixed(2)}" stroke="${color.hex}" stroke-width="${barHeight}" />n`;
        }
    });

    return svg;
}

/**
 * Adds registration markers to SVG content.
 * @returns {string} SVG content as a string
 */
function addMarkersSVG() {
    return `<g
   inkscape:groupmode="layer"
   id="layer0"
   inkscape:label="0-markers"
   style="display:inline"
   stroke="black">n
<path d="M5,0 L0,0 L0,5 M${(width - 5).toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${height.toFixed(2)} L${width.toFixed(2)},${(height - 5).toFixed(2)}" stroke-width="1" fill="none" />n
</g>n`;
}

/**
 * Saves the SVG content to a file.
 * @param {string} svgData - SVG content as a string
 * @param {string} fileName - Desired file name for the SVG file
 */
function saveSVGFile(svgData, fileName) {
    let blob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
    let url = URL.createObjectURL(blob);
    let link = document.createElement('a');
    link.href = url;
    link.download = fileName;

    // Append the link to the document and trigger a click to start the download
    document.body.appendChild(link);
    link.click();

    // Clean up by removing the link and revoking the object URL
    document.body.removeChild(link);
    URL.revokeObjectURL(url);
}