#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   auto FruitsXML =
   R"(
<Fruits>
  <Fruit CommonName='Apple' ScientificName='Malus domestica' />
  <Fruit CommonName='Banana' ScientificName='Musa acuminata' />
  <Fruit CommonName='Orange' ScientificName='Citrus × sinensis' />
  <Fruit CommonName='Grapes' ScientificName='Vitis vinifera' />
  <Fruit CommonName='Strawberry' ScientificName='Fragaria × ananassa' />
  <Fruit CommonName='Pineapple' ScientificName='Ananas comosus' />
  <Fruit CommonName='Mango' ScientificName='Mangifera indica' />
  <Fruit CommonName='Blueberry' ScientificName='Vaccinium corymbosum' />
  <Fruit CommonName='Rambutan' ScientificName='Nephelium lappaceum' />
  <Fruit CommonName='Salak (Snake Fruit)' ScientificName='Salacca zalacca' />
  <Fruit CommonName='Jabuticaba' ScientificName='Plinia cauliflora' />
  <Fruit CommonName='Watermelon' ScientificName='Citrullus lanatus' />
</Fruits>
)";

   uc.DefineVariable("x");
   auto t = uc.NewTransformer();
   auto FruitsTag = t.FromTo("<Fruits>", "List of fruits");
   auto Fruit = t.FromTo("CommonName={@string:name}", "{@Eval: x++}. {name}");

   uc.Eval("x = 1");
   Fruit.Maximum(10);
   t.Filter(FruitsXML);
   cout << "Maximum = " << Fruit.Maximum() << endl;
   cout << "Matches count: " << t.Matches().Count() << endl; // 1 for FruitsTag occurrence
   cout << "" << endl;
   cout << t.Matches() << endl;
   cout << "" << endl;
   cout << "===============" << endl;

   uc.Eval("x = 1");
   Fruit.Maximum(20);
   t.Filter(FruitsXML);
   cout << "Maximum = " << Fruit.Maximum() << endl;
   cout << "Matches count: " << t.Matches().Count() << endl; // 1 for FruitsTag plus 12 fruits
   cout << "" << endl;
   cout << t.Matches() << endl;
   cout << "" << endl;
   cout << "===============" << endl;

   uc.Eval("x = 1");
   Fruit.GlobalMaximum(10); // Notice "List of fruits" will not show
   t.Filter(FruitsXML);
   cout << "MaximumAND = " << Fruit.GlobalMaximum() << endl;
   cout << "Matches count: " << t.Matches().Count() << endl; // Even FruitsTage won't be counted
   cout << "" << endl;
   cout << t.Matches() << endl;
   cout << "===============" << endl;

   uc.Eval("x = 1");
   Fruit.GlobalMaximum(20);
   t.Filter(FruitsXML);
   cout << "MaximumAND = " << Fruit.GlobalMaximum() << endl;
   cout << "Matches count: " << t.Matches().Count() << endl;
   cout << "" << endl;
   cout << t.Matches() << endl;

}