namespace HeuristicLab.BenchmarkSuite.Problems {
  using System;
  using System.Globalization;

  using HeuristicLab.Problems.ProgramSynthesis.Base.Erc.Float;
  using HeuristicLab.Problems.ProgramSynthesis.Base.Erc.Integer;

  public class NumberIO : BenchmarkSuiteDataDescriptor {
    private const string name = "NumberIO - Easy";
    private const string fileName = "NumberIO.csv";
    private const string description = "Given an integer and a float, calc their sum.";

    protected override string FileName { get { return fileName; } }
    public override string Name { get { return name; } }
    public override string Description { get { return description; } }
    protected override int InputArgumentCount { get { return 2; } }
    protected override int OutputArgumentCount { get { return 1; } }

    public override ProblemData CreateProblemData() {
      return new ProblemData(ProblemType.NumberIO) {
        Name = Name,
        FloatStringFormat = "N6",
        Description = Description,
        ProgramExecutionBudget = 5000000,
        Examples = CloneExamples(),
        BestResult = 0,
        WorstResult = 5000,
        InputArgumentTypes = new[] { ExampleArgumentType.Float, ExampleArgumentType.Integer },
        OutputArgumentTypes = new[] { ExampleArgumentType.Print },
        TrainingCount = 25,
        TestCount = 1000,
        EnabledDataTypes = DataTypes.Integer | DataTypes.Float | DataTypes.Print,
        EvalLimit = 200,
        MaxSize = 200,
        ErcOptions = {
          ErcProbability = 0.01,
          IntegerErcOptions = new IntegerErcOptions(
            new IntegerRangeErc(-100, 100)),
          FloatErcOptions = new FloatErcOptions(
            new FloatRangeErc(-100, 100))
        }
      };
    }

    protected override Example ParseExample(string[] input, string[] output) {
      var estimedFloatValue = double.Parse(output[0], CultureInfo.InvariantCulture);
      estimedFloatValue = Math.Round(estimedFloatValue, 6);

      return new Example {
        InputArgs = input,
        OutputArgs = output,
        InputFloat = ExampleArgumentConverter.ConvertDoubles(input[0]),
        InputInteger = ExampleArgumentConverter.ConvertIntegers(input[1]),
        OutputFloat = new[] { estimedFloatValue },
        OutputPrint = estimedFloatValue.ToString("N6", CultureInfo.InvariantCulture),
      };
    }
  }
}