/* AboutViewModel.cs
 * part of zaaReloaded2
 * 
 * Copyright 2015-2017 Daniel Kraus
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bovender.Mvvm.ViewModels;
using Bovender.Mvvm;
using System.Diagnostics;

namespace zaaReloaded2.ViewModels
{
    class AboutViewModel : ViewModelBase
    {
        #region Properties

        public string AddinName
        {
            get
            {
                return Properties.Settings.Default.AddinName;
            }
        }

        public string PubYear
        {
            get
            {
                string year = Properties.Settings.Default.PubYear;
                if (year == "2015")
                {
                    return year;
                }
                else
                {
                    return "2015-" + year;
                }
            }
        }

        public string CopyrightString
        {
            get
            {
                return String.Format("© Copyright {0} {1}",
                    PubYear,
                    Properties.Settings.Default.Authors);
            }
        }

        public string Version
        {
            get
            {
                return zaaReloaded2.Updater.Version.Current.ToString();
            }
        }

        public string Homepage
        {
            get
            {
                return Properties.Settings.Default.Homepage.ToString();
            }
        }

        public string Repository
        {
            get
            {
                return Properties.Settings.Default.Repository.ToString();
            }
        }

        public string LicenseUrl
        {
            get
            {
                return Properties.Settings.Default.LicenseUrl.ToString();
            }
        }

        #endregion

        #region Commands

        public DelegatingCommand GotoHomepageCommand
        {
            get
            {
                if (_gotoHomepageCommand == null)
                {
                    _gotoHomepageCommand = new DelegatingCommand(
                        param => { Process.Start(new ProcessStartInfo(Homepage)); });
                }
                return _gotoHomepageCommand;
            }
        }

        public DelegatingCommand GotoRepositoryCommand
        {
            get
            {
                if (_gotoRepositoryCommand == null)
                {
                    _gotoRepositoryCommand = new DelegatingCommand(
                        param => { Process.Start(new ProcessStartInfo(Repository)); });
                }
                return _gotoRepositoryCommand;
            }
        }

        public DelegatingCommand GotoLicenseCommand
        {
            get
            {
                if (_gotoLicenseCommand == null)
                {
                    _gotoLicenseCommand = new DelegatingCommand(
                        param => { Process.Start(new ProcessStartInfo(LicenseUrl)); });
                }
                return _gotoLicenseCommand;
            }
        }

        #endregion

        #region ViewModelBase implementation

        public override object RevealModelObject()
        {
            throw new NotImplementedException();
        }

        #endregion

        #region Fields

        DelegatingCommand _gotoHomepageCommand;
        DelegatingCommand _gotoRepositoryCommand;
        DelegatingCommand _gotoLicenseCommand;

        #endregion
    }
}