class Table {
  String[][] data;
  int rowCount;
   
   
  Table() {
    data = new String[10][10];
  }
 
   
  Table(String filename) {
    String[] rows = loadStrings(filename);
    data = new String[rows.length][];
     
    for (int i = 0; i < rows.length; i++) {
      if (trim(rows[i]).length() == 0) {
        continue; // skip empty rows
      }
      if (rows[i].startsWith("#")) {
        continue;  // skip comment lines
      }
       
      // split the row on the tabs
      String[] pieces = split(rows[i], TAB);
      // copy to the table array
      data[rowCount] = pieces;
      rowCount++;
       
      // this could be done in one fell swoop via:
      //data[rowCount++] = split(rows[i], TAB);
    }
    // resize the 'data' array as necessary
    data = (String[][]) subset(data, 0, rowCount);
  }
 
 
  int getRowCount() {
    return rowCount;
  }
   
   
  // find a row by its name, returns -1 if no row found
  int getRowIndex(String name) {
    for (int i = 0; i < rowCount; i++) {
      if (data[i][0].equals(name)) {
        return i;
      }
    }
    println("No row named '" + name + "' was found");
    return -1;
  }
   
   
  String getRowName(int row) {
    return getString(row, 0);
  }
 
 
  String getString(int rowIndex, int column) {
    return data[rowIndex][column];
  }
 
   
  String getString(String rowName, int column) {
    return getString(getRowIndex(rowName), column);
  }
 
   
  int getInt(String rowName, int column) {
    return parseInt(getString(rowName, column));
  }
 
   
  int getInt(int rowIndex, int column) {
    return parseInt(getString(rowIndex, column));
  }
 
   
  float getFloat(String rowName, int column) {
    return parseFloat(getString(rowName, column));
  }
 
   
  float getFloat(int rowIndex, int column) {
    return parseFloat(getString(rowIndex, column));
  }
  
  //Haal de max value
  float getMaxFloat() {
    float maxFloat = 0;
    for(int i=0;i<rowCount;i++) {
       maxFloat = max(maxFloat,getFloat(i,0));
    }
    return maxFloat;
  }
   
  void setRowName(int row, String what) {
    data[row][0] = what;
  }
 
 
  void setString(int rowIndex, int column, String what) {
    data[rowIndex][column] = what;
  }
 
   
  void setString(String rowName, int column, String what) {
    int rowIndex = getRowIndex(rowName);
    data[rowIndex][column] = what;
  }
 
   
  void setInt(int rowIndex, int column, int what) {
    data[rowIndex][column] = str(what);
  }
 
   
  void setInt(String rowName, int column, int what) {
    int rowIndex = getRowIndex(rowName);
    data[rowIndex][column] = str(what);
  }
 
   
  void setFloat(int rowIndex, int column, float what) {
    data[rowIndex][column] = str(what);
  }
 
 
  void setFloat(String rowName, int column, float what) {
    int rowIndex = getRowIndex(rowName);
    data[rowIndex][column] = str(what);
  }
   
   
  // Write this table as a TSV file
  void write(PrintWriter writer) {
    for (int i = 0; i < rowCount; i++) {
      for (int j = 0; j < data[i].length; j++) {
        if (j != 0) {
          writer.print(TAB);
        }
        if (data[i][j] != null) {
          writer.print(data[i][j]);
        }
      }
      writer.println();
    }
    writer.flush();
  }
}

Table aTable;
Table nameTable;//test

int rowCount;
int rowCountName;

int windowHeight;

String name;
int row;
float barWidth;
float labelHeight;

void setup() {
  size (640, 150);

  //acquire the data
  aTable = new Table("Data/data.csv");
  nameTable = new Table("Data/labels.csv");

  //Count rows
  rowCountName = nameTable.getRowCount();
  rowCount = aTable.getRowCount();

  //Resize window to maxValue
  float maxFloat = aTable.getMaxFloat();
  windowHeight = (parseInt(maxFloat));
  size(640,windowHeight);

  PFont font = loadFont("Data/Verdana-12.vlw");
  textFont(font);
}

void draw() {
  background(100);
  smooth();
  noStroke();
  //determine bar width
  barWidth = width/rowCount;

  //find max and min value (from the origin);
  float maxValue = 0;
  float minValue = 0; //minValue is always 0 or lower

  for (int row = 0; row < rowCount; row++) {
    maxValue = max(maxValue, aTable.getFloat(row, 0));
    minValue = min(minValue, aTable.getFloat(row, 0));
  }

  //set the origin y
  float originY = height * maxValue / (maxValue - minValue);

  //determine scaleY
  float scaleY = height / (maxValue - minValue);

  //draw the chart
  for (row = 0; row < rowCount; row++) {
    float y = aTable.getFloat(row, 0);
    int number = aTable.getInt(row,0); //String of table
    
    //int barHeight = aTable.getInt(row,0); //Height of barchart
    float barHeight = parseFloat(aTable.getInt(row,0))*0.50; //Height scaled
    
    //int labelHeight = windowHeight-number+15; //Position of label
    float labelHeight = windowHeight-barHeight+15; //Posistion scaled

    name = nameTable.getString(row,0);

    //Color the chart
    if (y>maxValue*0.99) {
      fill(#4f67cb);
    } 
    else if (y>maxValue*0.8) {
      fill(#ee0202);
    } 
    else if (y>maxValue*0.7) {
      fill(#2e9ddb);
    } 
    else if (y>maxValue*0.6) {
      fill(#0ac27b);
    } 
    else if (y>maxValue*0.4) {
      fill(#de1c6e);
    } 
    else if (y>maxValue*0.3) {
      fill(#009753);
    }
    else if (y>maxValue*0.2) {
      fill(#24c1cb);
    }
    else if (y>maxValue*0.1) {
      fill(#24c1cb);
    } 
    else {
      fill(#ebc30a);
    }

    rect(row * barWidth+2, originY, barWidth-4, -barHeight); //Bar chart
    fill(#000000);
    
    //pushMatrix();
    //translate(0,-50);
    //rotate(PI/3.0);
    text (name, row * barWidth+10, labelHeight); //Label chart
    //popMatrix();
    
    text (number, row * barWidth+10, windowHeight-5); //Recensies
    
  }
  text("Aantal recensies van willekeurige telefoons",20,20); //Info
}