using uCalcSoftware;

var uc = new uCalc();
var FruitsXML =
"""

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

uc.Eval("x = 1");
Fruit.Maximum = 10;
t.Filter(FruitsXML);
Console.WriteLine($"Maximum = {Fruit.Maximum}");
Console.WriteLine($"Matches count: {t.Matches.Count()}"); // 1 for FruitsTag occurrence
Console.WriteLine("");
Console.WriteLine(t.Matches);
Console.WriteLine("");
Console.WriteLine("===============");

uc.Eval("x = 1");
Fruit.Maximum = 20;
t.Filter(FruitsXML);
Console.WriteLine($"Maximum = {Fruit.Maximum}");
Console.WriteLine($"Matches count: {t.Matches.Count()}"); // 1 for FruitsTag plus 12 fruits
Console.WriteLine("");
Console.WriteLine(t.Matches);
Console.WriteLine("");
Console.WriteLine("===============");

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

uc.Eval("x = 1");
Fruit.GlobalMaximum = 20;
t.Filter(FruitsXML);
Console.WriteLine($"MaximumAND = {Fruit.GlobalMaximum}");
Console.WriteLine($"Matches count: {t.Matches.Count()}");
Console.WriteLine("");
Console.WriteLine(t.Matches);