#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Globalization;
using HeuristicLab.BioBoost.Representation;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using SharpMap.Data;
using System;
using System.Linq;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;

namespace HeuristicLab.BioBoost.Views {

  [Content(typeof(RegionDetailData), IsDefaultView = false)]
  public partial class BioBoostSolutionDetailView : ItemView {

    public new RegionDetailData Content {
      get { return (RegionDetailData)base.Content; }
      set { base.Content = value; }
    }

    public BioBoostSolutionDetailView() {
      InitializeComponent();
    }

    protected override void DeregisterContentEvents() {
      base.DeregisterContentEvents();
    }

    protected override void RegisterContentEvents() {
      base.RegisterContentEvents();
    }

    protected override void SetEnabledStateOfControls() {
      base.SetEnabledStateOfControls();
      plantsTreeView.Enabled = Content != null;
    }

    protected override void OnContentChanged() {
      base.OnContentChanged();
      if (Content == null) {
        Clear();
      } else {
        Clear();
        Populate(Content.Solution, Content.RegionName);
      }
    }

    public event EventHandler RegionLabelClicked;

    protected void OnRegionLabelClicked() {
      EventHandler h = RegionLabelClicked;
      if (h != null)
        h.Invoke(this, EventArgs.Empty);
    }

    private void Populate(BioBoostCompoundSolution solution, string regionName) {
      regionNameLabel.Text = regionName; regionDescriptionLabel.Text = GetRegionDescription(regionName);
      var locidx = solution.LocationNames.IndexOfFirst(s => s == regionName);
      if (locidx < 0) return;
      var supplierCollector = new SupplierCollector(solution, regionName);
      foreach (var feedstock in supplierCollector.Feedstocks)
        AddFeedstock(feedstock);
      foreach (var product in supplierCollector.Products)
        AddPlant(product);
    }

    private void Clear() {
      regionNameLabel.Text = "";
      regionDescriptionLabel.Text = "";
      plantsTreeView.Nodes.Clear();
    }

    private void AddFeedstock(SupplierCollector.ProductInfo product) {
      var potentialSeries = new Series(product.Name);
      potentialSeries.Points.Add(product.Potential);
      potentialSeries.ChartType = SeriesChartType.StackedBar100;
    }

    private void AddPlant(SupplierCollector.ProductInfo product) {
      var totalAmount = product.Suppliers.Values.Sum();
      if (totalAmount > 0) {
        plantsTreeView.Nodes.Add(string.Format("{0} {1,11:### ### ###} t/a", product.Name, totalAmount));
        foreach (var s in product.Suppliers)
          AddSupplier(product.Name, s.Key, s.Value);
      }
    }

    private void AddSupplier(string type, string sourceName, double feedstockAmount) {
      foreach (TreeNode node in plantsTreeView.Nodes) {
        if (node.Text.StartsWith(type)) {
          node.Nodes.Add(string.Format(CultureInfo.InvariantCulture, "{0} {1,9:# ### ###} t/a", sourceName, feedstockAmount));
          if (plantsTreeView.Nodes.Count == 1)
            node.Expand();
          else
            plantsTreeView.CollapseAll();
          break;
        }
      }
    }

    private string GetRegionDescription(string regionName) {
      if (regionName != null && Content.Solution.Geometry.Features.Columns.Contains("name")) {
        var row = Content.Solution.Geometry.Features.Rows.Cast<FeatureDataRow>().FirstOrDefault(r => (string)r["NUTS_ID"] == regionName);
        if (row != null)
          return row["name"].ToString();
      }
      return "";
    }

    private void plantsTreeView_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e) {
      if (e.Node.Parent != null) { // child node clicked
        var labeltext = e.Node.Text.Split(' ');
        if (labeltext.Length > 0)
          TrySwitchToRegion(labeltext[0]);
      }
    }

    private void TrySwitchToRegion(string regionName) {
      if (Content.Solution.LocationNames.Contains(regionName)) {
        Content = new RegionDetailData {
          Solution = Content.Solution,
          RegionName = regionName
        };
      }
    }

    private void regionNameLabel_Click(object sender, EventArgs e) {
      OnRegionLabelClicked();
    }
  }
}