using System;
using System.Collections.Generic;
using System.Text;

using gr2lib.core.typedefs;

namespace gr2lib.core.apiversion
{
    #region public class VersionType
    public interface IVersionType
    {
        granny_int32x Major { get; }
        granny_int32x Minor { get; }
        granny_int32x Customization { get; }
        granny_int32x Build { get; }
        string Version { get; }
    }

    public class VersionType : IVersionType
    {
        public VersionType()
        {
            this._Major = 0;
            this._Minor = 0;
            this._Customization = 0;
            this._Build = 0;
        }
        public VersionType(granny_int32x Major, granny_int32x Minor, granny_int32x Customization, granny_int32x Build)
        {
            this._Major = Major;
            this._Minor = Minor;
            this._Customization = Customization;
            this._Build = Build;
        }

        public override string ToString()
        {
            return this.Version;
        }

        #region IVersionType Members
        /// <summary>
        /// Returns a string representation of the Granny2 API Version in format (Major.Minor.Customization.Build)
        /// </summary>
        public string Version { get { return string.Format("{0}.{1}.{2}.{3}", Major, Minor, Customization, Build); } }
        private granny_int32x _Major;
        /// <summary>
        /// Returns the Major of the Granny2 API Version (X.0.0.0)
        /// </summary>
        public granny_int32x Major { get { return _Major; } }

        private granny_int32x _Minor;
        /// <summary>
        /// Returns the Minor of the Granny2 API Version (0.X.0.0)
        /// </summary>
        public granny_int32x Minor { get { return _Minor; } }

        private granny_int32x _Customization;
        /// <summary>
        /// Returns the Customization of the Granny2 API Version - Customization (0.0.X.0)
        /// </summary>
        public granny_int32x Customization { get { return _Customization; } }

        private granny_int32x _Build;
        /// <summary>
        /// Returns the Build of the Granny2 API Version (0.0.0.X)
        /// </summary>
        public granny_int32x Build { get { return _Build; } }
        #endregion
    }
    #endregion

    #region public class Granny2APIVersion
    public interface IGranny2APIVersion
    {
        bool APIVersionsMatch { get; }
        VersionType APIVersion { get; }
        VersionType ExpectedAPIVersion { get; }
    }
    /// <summary>
    /// Handle's the checking of the Loaded Granny2 API Version
    /// </summary>
    public class Granny2APIVersion : IGranny2APIVersion
    {
        public Granny2APIVersion()
        {
            this._APIVersion = new VersionType();
            this._APIVersionsMatch = this.GrannyVersionsMatch();
            this.GetGrannyVersion();
        }   
        #region APIVersion Support
        private class APIVersionType
        {
            public static string GrannyProductVersion = "2.7.0.30";
            public static granny_int32x GrannyProductMajorVersion = 2;
            public static granny_int32x GrannyProductMinorVersion = 7;
            public static granny_int32x GrannyProductCustomization = 0;
            public static granny_int32x GrannyProductBuildNumber = 30;
            public static string GrannyProductReleaseName = "release";
        };

        private bool GrannyVersionsMatch()
        {
            return gr2lib.core.coreapi.GrannyVersionsMatch(
                APIVersionType.GrannyProductMajorVersion,
                APIVersionType.GrannyProductMinorVersion,
                APIVersionType.GrannyProductCustomization,
                APIVersionType.GrannyProductBuildNumber);
        }
        private void GetGrannyVersion()
        {
            granny_int32x Major = 0;
            granny_int32x Minor = 0;
            granny_int32x Customization = 0;
            granny_int32x Build = 0;

            gr2lib.core.coreapi.GrannyGetVersion(
                out Major,
                out Minor,
                out Customization,
                out Build);

            this._APIVersion = new VersionType(Major, Minor, Customization, Build);

        }
        private string GrannyGetVersionString()
        {
            return gr2lib.core.coreapi.GrannyGetVersionString();
        }
        #endregion

        #region IGranny2APIVersion Members
        private bool _APIVersionsMatch = false;
        /// <summary>
        /// Indicates that the Loaded Granny2 API Version matches the version that the core library was built against
        /// </summary>
        public bool APIVersionsMatch { get { return _APIVersionsMatch; } }
        private VersionType _APIVersion;
        /// <summary>
        /// Gets the Loaded Granny2 API Version
        /// </summary>
        public VersionType APIVersion { get { return _APIVersion; } }
        /// <summary>
        /// Gets the Expected Granny2 API Version
        /// </summary>
        public VersionType ExpectedAPIVersion { get { return new VersionType(APIVersionType.GrannyProductMajorVersion, APIVersionType.GrannyProductMinorVersion, APIVersionType.GrannyProductCustomization, APIVersionType.GrannyProductBuildNumber); } }
        #endregion
    }
    #endregion
}