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

namespace Aiwaz.Core
{
    public class InitializingFailedException : Exception
    {
        public InitializingFailedException()
            : this(null, null)
        {
        }

        public InitializingFailedException(string objectName)
            : this(objectName, null)
        {
        }

        public InitializingFailedException(string objectName, string reason)
        {
            string text = "";
            if (string.IsNullOrEmpty(objectName) && string.IsNullOrEmpty(reason))
                text = "Unable to initialize object.";
            else if (string.IsNullOrEmpty(reason))
                text = string.Format("Unable to initialize object '{0}'.", objectName);
            else if (string.IsNullOrEmpty(objectName))
                text = string.Format("Unable to initialize object. {0}", reason);
            else
                text = string.Format("Unable to initialize object '{0}'. {1}", objectName, reason);

            if (string.IsNullOrEmpty(text))
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(text);
            }
        }
    }

    public class UninitializingFailedException : Exception
    {
        public UninitializingFailedException()
            : this(null, null)
        {
        }

        public UninitializingFailedException(string objectName)
            : this(objectName, null)
        {
        }

        public UninitializingFailedException(string objectName, string reason)
        {
            string text = "";
            if (string.IsNullOrEmpty(objectName) && string.IsNullOrEmpty(reason))
                text = "Unable to uninitialize object.";
            else if (string.IsNullOrEmpty(reason))
                text = string.Format("Unable to uninitialize object '{0}'.", objectName);
            else if (string.IsNullOrEmpty(objectName))
                text = string.Format("Unable to uninitialize object. {0}", reason);
            else
                text = string.Format("Unable to uninitialize object '{0}'. {1}", objectName, reason);

            if (string.IsNullOrEmpty(text))
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(text);
            }
        }
    }

    public class OnlyOneInstanceAllowedException : Exception
    {
        public OnlyOneInstanceAllowedException()
            : this(null, null)
        {
        }

        public OnlyOneInstanceAllowedException(string objectName)
            : this(objectName, null)
        {
        }

        public OnlyOneInstanceAllowedException(string objectName, string reason)
        {
            string text = "";
            if (string.IsNullOrEmpty(objectName) && string.IsNullOrEmpty(reason))
                text = "Only one instance of this object could exist.";
            else if (string.IsNullOrEmpty(reason))
                text = string.Format("Only one instance of this object '{0}' could exist.", objectName);
            else if (string.IsNullOrEmpty(objectName))
                text = string.Format("Only one instance of this object could exist.  {1}", reason);
            else
                text = string.Format("Only one instance of this object '{0}' could exist. {1}", objectName, reason);

            if (string.IsNullOrEmpty(text))
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(text);
            }
        }
    }

    public class ActionFailedException : Exception
    {
        public ActionFailedException()
            : this("Action has failed.")
        {
        }

        public ActionFailedException(string text)
            : base(text)
        {
            if (string.IsNullOrEmpty(text))
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(text);
            }
        }
    }
}