using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using HeuristicLab.Services.Optimization.ControllerService.Model;

namespace HeuristicLab.Services.Optimization.Web.Models {
  public class ScheduleJobModel {
    public int Repetitions { get; set; }
    public string Name { get; set; }
    public string Group { get; set; }
  }

  public class OptimizationModel {
    public IEnumerable<OptimizationScenario> Scenarios { get; set; }
    public IEnumerable<Job> Jobs { get; set; }
    public Operation Operation { get; set; }
  }

  public class JobDetailsModel {
    public IList<Run> Runs { get; set; }
    public Job Job { get; set; }
  }

  public enum Operation {
    DeleteJob
  }

  public class ProblemParametersModelBinder : IModelBinder {
    public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) {
      var scenario = controllerContext.HttpContext.Session["scenario"] as OptimizationScenario;
      foreach (var key in controllerContext.RequestContext.HttpContext.Request.Form.AllKeys) {
        var value = bindingContext.ValueProvider.GetValue(key);
        string realKey = key;
        string realValue = value.AttemptedValue;

        if (key.Contains("_")) {
          var tableEntry = key.Split('_');
          realKey = tableEntry[0];
          //var param2 = (from par in scenario.InputParameters.Items where par.Name == tableEntry[0] select par).FirstOrDefault();
          realValue = "";
          for (int i = 1; i < tableEntry.Length; i++) {
            realValue += tableEntry[i] + ":";
          }
          realValue += value.AttemptedValue;
        }
        var param = (from par in scenario.FirstAlgorithm.Problem.Parameters.Items where par.Value.Name == realKey select par).FirstOrDefault();
        if (param != null && !param.Value.TrySetFromString(realValue)) {
          bindingContext.ModelState.AddModelError(bindingContext.ModelName, new Exception(string.Format("Unable to parse {0} into destination type {1}", value, param.Type)));
        }
      }
      return scenario.FirstAlgorithm.Problem.Parameters;
    }
  }

  public class AlgorithmParametersModelBinder : IModelBinder {
    public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) {
      var scenario = controllerContext.HttpContext.Session["scenario"] as OptimizationScenario;
      foreach (var key in controllerContext.RequestContext.HttpContext.Request.Form.AllKeys) {
        var value = bindingContext.ValueProvider.GetValue(key);
        var param = (from par in scenario.FirstAlgorithm.Parameters.Items where par.Value.Name == key select par).FirstOrDefault();
        if (param != null && !param.Value.TrySetFromString(value.AttemptedValue)) {
          bindingContext.ModelState.AddModelError(bindingContext.ModelName, new Exception(string.Format("Unable to parse {0} into destination type {1}", value, param.Type)));
        }
      }
      return scenario.FirstAlgorithm.Parameters;
    }
  }
}