int[] data = {3, 7, 5, 9, 4, 8, 2, 6, 10, 1}; // Positive integer values

float sum = 0.0;
float mean = 0.0;
float maxDataValue;

void setup() {
  size(800, 600);
  background(255);
  maxDataValue = max(data);

  // Calculate dimensions based on canvas size and data
  float barSpacingPercent = 0.02;
  float xOffsetPercent = 0.1;
  float yOffsetPercent = 0.1;
  float canvasWidth = width * (1 - 2 * xOffsetPercent);
  float canvasHeight = height * (1 - 2 * yOffsetPercent);
  float barSpacing = canvasWidth * barSpacingPercent / (data.length + 1);
  float xOffset = width * xOffsetPercent;
  float yOffset = height * yOffsetPercent;
  float maxBarHeight = canvasHeight;

  // Draw grid lines
  stroke(200);
  strokeWeight(1);

  // Draw horizontal grid lines
  int numOfHorizontalGridLines = 10; // Number of horizontal grid lines
  float horizontalGridSpacing = canvasHeight / numOfHorizontalGridLines;
  for (int i = 0; i <= numOfHorizontalGridLines; i++) {
    float y = yOffset + i * horizontalGridSpacing;
    line(xOffset, y, width - xOffset, y);
  }

  // Draw vertical grid lines
  int numOfVerticalGridLines = 10; // Number of vertical grid lines
  float verticalGridSpacing = canvasWidth / numOfVerticalGridLines;
  for (int i = 0; i <= numOfVerticalGridLines; i++) {
    float x = xOffset + i * verticalGridSpacing;
    line(x, yOffset, x, height - yOffset);
  }

  // Add x-axis labels
  fill(0);
  textAlign(CENTER, TOP);
  for (int i = 0; i <= data.length; i++) {
    float x = xOffset + i * barSpacing;
    text(i, x, height - yOffset + 10);
  }

  // Add y-axis labels
  textAlign(RIGHT, CENTER);
  for (int i = 0; i <= 10; i++) {
    float y = map(i, 0, 10, height - yOffset, yOffset);
    text(i, xOffset - 10, y);
  }

  // Drawing the bars and calculating mean
  float barWidth = canvasWidth / data.length - barSpacing;
  for (int i = 0; i < data.length; i++) {
    float barHeight = map(data[i], 0, maxDataValue, 0, maxBarHeight);
    float barX = xOffset + i * (barWidth + barSpacing);
    float barY = height - yOffset - barHeight;

    // Determine color based on value
    color barColor;
    if (data[i] % 2 == 0) {
      barColor = color(0, 255, 0, map(data[i], 0, maxDataValue, 0, 255)); // Green for even values
    } else {
      barColor = color(255, 0, 0, map(data[i], 0, maxDataValue, 0, 255)); // Red for odd values
    }
    fill(barColor);
    rect(barX, barY, barWidth, barHeight);

    // Calculate sum for mean
    sum += data[i];
  }

  // Calculate mean
  mean = sum / data.length;

  // Draw mean line
  stroke(0, 0, 255); // Blue color for mean line
  float meanY = map(mean, 0, maxDataValue, height - yOffset, yOffset);
  line(xOffset, meanY, width - xOffset, meanY);

  // Add mean value label
  fill(0, 0, 255);
  textAlign(LEFT, CENTER);
  text("Mean: " + nf(mean, 0, 2), width - xOffset - 100, meanY);

  // Label x and y axes
  fill(0);
  textAlign(CENTER, CENTER);
  text("X Axis", width / 2, height - yOffset / 2);
  textAlign(CENTER, CENTER);
  text("Y Axis", xOffset / 2, height / 2);
  
  save("Assignment3.png");
}