package sableCCCalculator;
import sableCCCalculator.analysis.*;
import sableCCCalculator.node.*;

class Translation extends DepthFirstAdapter
{
    private ProgramStack<Token> programStack = new ProgramStack<>();

    public void caseTNumber(TNumber node)
    {
        System.out.println("Pushing " + Integer.parseInt(node.getText()) + " to stack");
        programStack.push(node);
        System.out.println(programStack);
    }

    public void caseTDouble(TDouble node)
    {
        System.out.println("Pushing a double: " + Double.parseDouble(node.getText()));
        programStack.push(node);
        System.out.println(programStack);
    }

    public void outASineTerm(ASineTerm node) 
    {
        Double num = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num);
        Double out = Math.sin(Math.toRadians(num));
        programStack.push(new TDouble(String.format("%f", out)));
        System.out.println("Pushed sin(" + num + ") = " + out + " to stack");
        System.out.println(programStack);
    }

    public void outAPlusExpr(APlusExpr node)
    {
        Double num2 = Double.parseDouble(programStack.pop().getText());
        Double num1 = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num1 + " and " + num2 + " from stack");
        Double out = num1 + num2;
        if ((out % 1) == 0) 
        {
            // the output is an integer, change types to save memory
            programStack.push(new TNumber(String.format("%d", out.intValue())));
        }
        else
        {
            programStack.push(new TDouble(String.format("%f", out)));
        }
        
        System.out.println("Pushed " + num1 + "+" + num2 + "=" + out + " to stack");
        System.out.println(programStack);
    }

    public void outAMinusExpr(AMinusExpr node)
    {
        Double num2 = Double.parseDouble(programStack.pop().getText());
        Double num1 = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num1 + " and " + num2 + " from stack");
        Double out = num1 - num2;
        if ((out % 1) == 0) 
        {
            // the output is an integer, change types to save memory
            programStack.push(new TNumber(String.format("%d", out.intValue())));
        }
        else
        {
            programStack.push(new TDouble(String.format("%f", out)));
        }
        
        System.out.println("Pushed " + num1 + "-" + num2 + "=" + out + " to stack");
        System.out.println(programStack);
    }

    public void outAMultFactor(AMultFactor node)
    {
        Double num2 = Double.parseDouble(programStack.pop().getText());
        Double num1 = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num1 + " and " + num2 + " from stack");
        Double out = num1 * num2;
        if ((out % 1) == 0) 
        {
            // the output is an integer, change types to save memory
            programStack.push(new TNumber(String.format("%d", out.intValue())));
        }
        else
        {
            programStack.push(new TDouble(String.format("%f", out)));
        }
        
        System.out.println("Pushed " + num1 + "*" + num2 + "=" + out + " to stack");
        System.out.println(programStack);
    }

    public void outADivFactor(ADivFactor node)
    {
        Double num2 = Double.parseDouble(programStack.pop().getText());
        Double num1 = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num1 + " and " + num2 + " from stack");
        Double out = num1 / num2;
        if ((out % 1) == 0) 
        {
            // the output is an integer, change types to save memory
            programStack.push(new TNumber(String.format("%d", out.intValue())));
        }
        else
        {
            programStack.push(new TDouble(String.format("%f", out)));
        }
        
        System.out.println("Pushed " + num1 + "/" + num2 + "=" + out + " to stack");
        System.out.println(programStack);
    }

    public void outAModFactor(AModFactor node)
    {
        Double num2 = Double.parseDouble(programStack.pop().getText());
        Double num1 = Double.parseDouble(programStack.pop().getText());
        System.out.println("Popped " + num1 + " and " + num2 + " from stack");
        Double out = num1 % num2;
        if ((out % 1) == 0) 
        {
            // the output is an integer, change types to save memory
            programStack.push(new TNumber(String.format("%d", out.intValue())));
        }
        else
        {
            programStack.push(new TDouble(String.format("%f", out)));
        }
        
        System.out.println("Pushed " + num1 + "%" + num2 + "=" + out + " to stack");
        System.out.println(programStack);
    }
}