#include <iostream>
#include <string>
#include <map>
#include <vector>
#include "globals.h"
#include "node.h"
#include "binaryNode.h"
#include "unaryNode.h"
#include "bFuncNode.h"
#include "OperatorMap.h"

OperatorMap::OperatorMap()
{
    myOperators["+"] = new Plus();//adds plus node
    myOperators["-"] = new Minus();//add minus node
    myOperators["*"] = new Times();//adds times node
    myOperators["/"] = new Divide();//adds divide node
    myOperators["%"] = new Mod();//adds mod node
    myOperators["("] = new Paren('(',OPEN_PAREN_PRECEDENCE);//adds new left paren
    myOperators[")"] = new Paren(')',CLOSED_PAREN_PRECEDENCE);//adds new right paren
    myOperators["="] = new Equals();
    myOperators[","] = new Comma();
    myOperators["^"] = new Pow();
    myOperators["_"] = new Negative();
    myOperators["!"] = new Factorial();
    myOperators["sqrt"]= new Sqrt();
    myOperators["abs"]=  new Abs();
    myOperators["sin"]= new Sin();
    myOperators["cos"]= new Cos();
    myOperators["tan"]=new Tan();
    myOperators["log"]=new Log();
    myOperators["ln"]=new LN();
    myOperators["exp"]=new Exp();
    myOperators["d"]=new Derivative();
    myOperators["f"]= new Function();
}
Node* OperatorMap::lookUpOperator(const string & operators)
{
    //must be valid operator
    //returns a pointer to a Node specific to the operator looked up
    return(myOperators[operators]->copy());
}

bool OperatorMap::isOperator(const string & operators)
{
    //Checks to see if char is an operator returns true if found in map, false otherwise
    //iterate through map searching for operator
    for(OperatorList::const_iterator iter=myOperators.begin();iter!=myOperators.end();iter++)
    {
        OperatorPair opPair=*iter;
        if(opPair.first==operators)
        {
           
            return true;
        }
        
    }
    return false;
}

bool OperatorMap::isTypeOperator(const string & typeString,const int & Precedence)
{
//Checks to see if char is a type operator returns true if found in map, false otherwise
    //iterate through map searching for operator added functionality that it searches for entire strings of letters
    for(OperatorList::const_iterator iter=myOperators.begin();iter!=myOperators.end();iter++)
    {
        OperatorPair opPair=*iter;
        if(opPair.first==typeString&&opPair.second->precedence()==Precedence)
            {
            return true;
            }
        
    }
    return false;
}