#region Copyright Syncfusion Inc. 2001 - 2024
// Copyright Syncfusion Inc. 2001 - 2024. All rights reserved.
// Use of this code is subject to the terms of our license.
// A copy of the current license can be obtained at any time by e-mailing
// licensing@syncfusion.com. Any infringement will be prosecuted under
// applicable laws. 
#endregion


namespace syncfusion.olapchartdemos.wpf
{
    using System;
    using System.Collections.Generic;
    using Syncfusion.Olap.Manager;
    using Syncfusion.Olap.Reports;
    using Syncfusion.Windows.Shared;
    using System.Windows.Media;
    using System.Reflection;

    /// <summary>
    /// ViewModel Class
    /// </summary>
    public class ChartWaterMarkViewModel : NotificationObject, IDisposable
    {
        #region Members

        /// <summary>
        /// Shared connection string.
        /// </summary>
        public static string ConnectionString;
        private OlapDataManager olapDataManager;
        #endregion

        #region Constructor

        /// <summary>
        /// Initializes a new instance of the <see cref="ChartWaterMarkViewModel"/> class.
        /// </summary>
        public ChartWaterMarkViewModel()
        {
            ConnectionString = OlapChartModel.Initialize(System.IO.Path.GetFullPath(@"Assets\Config\OLAPSample.config"));
            olapDataManager = new OlapDataManager(ConnectionString);
            olapDataManager.SetCurrentReport(SimpleDimensions());
        }

        #endregion

        #region Properties


        /// <summary>
        /// Gets or sets the grid data manager.
        /// </summary>
        /// <value>The grid data manager.</value>
        public OlapDataManager DataManager
        {
            get { return olapDataManager; }
            set { olapDataManager = value; }
        }

        /// <summary>
        /// Gets the color collection.
        /// </summary>
        /// <value>The color collection.</value>
        public List<string> ColorCollection
        {
            get
            {
                List<string> lst = new List<string>();
                Type br = typeof(Brushes);
                foreach (MemberInfo info in br.GetMembers())
                {
                    if (info is PropertyInfo)
                    {
                        PropertyInfo pi = info as PropertyInfo;
                        lst.Add(pi.Name);
                    }
                }
                return lst;
            }
        }

        #endregion

        #region Helper Method

        public void Dispose()
        {
            this.Dispose(true);
            GC.SuppressFinalize(this);
        }

        private void Dispose(bool disposing)
        {
            if (disposing && this.olapDataManager != null)
                this.olapDataManager.Dispose();
        }

        private OlapReport SimpleDimensions()
        {
            OlapReport olapReport = new OlapReport();
            olapReport.CurrentCubeName = "Adventure Works";
            DimensionElement dimensionElementColumn = new DimensionElement();

            //Specifying the Column Name for the Dimension and measure elements
            dimensionElementColumn.Name = "Customer";
            dimensionElementColumn.AddLevel("Customer Geography", "Country");
            MeasureElements measureElementColumn = new MeasureElements();
            measureElementColumn.Elements.Add(new MeasureElement { Name = "Internet Sales Amount" });

            //Specifying the Row Name for the Dimension element
            DimensionElement dimensionElementRow = new DimensionElement();
            //Specifying the Dimension Name
            dimensionElementRow.Name = "Date";
            dimensionElementRow.AddLevel("Fiscal", "Fiscal Year");

            // Adding Column Members
            olapReport.CategoricalElements.Add(dimensionElementColumn);
            //Adding Measure Element
            olapReport.CategoricalElements.Add(measureElementColumn);
            //Adding Row Members
            olapReport.SeriesElements.Add(dimensionElementRow);
            return olapReport;
        }

        #endregion
    }
}