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using System;
using XenAdmin.Diagnostics.Checks;
using XenAPI;


namespace XenAdmin.Diagnostics.Problems.VMProblem
{
    public class CannotMigrateVM : VMProblem
    {
        private readonly CannotMigrateVMReason reason;

        public enum CannotMigrateVMReason { Unknown, LicenseRestriction, CannotMigrateVm, CannotMigrateVmNoTools, LacksFeatureSuspend }

        public CannotMigrateVM(Check check, VM vm, CannotMigrateVMReason licenseRestriction = CannotMigrateVMReason.Unknown)
            : base(check, vm) 
        {
            this.reason = licenseRestriction;
        }

        public override string Description
        {
            get 
            {
                string descriptionFormat;

                switch (reason)
                {
                    case CannotMigrateVMReason.CannotMigrateVm:
                        descriptionFormat = Messages.UPDATES_WIZARD_CANNOT_MIGRATE_VM;
                        break;

                    case CannotMigrateVMReason.CannotMigrateVmNoTools:
                        descriptionFormat = Messages.UPDATES_WIZARD_CANNOT_MIGRATE_VM_NO_TOOLS;
                        break;

                    case CannotMigrateVMReason.LacksFeatureSuspend:
                        descriptionFormat = Messages.UPDATES_WIZARD_CANNOT_MIGRATE_VM_SUSPEND_REASON;
                        break;

                    case CannotMigrateVMReason.LicenseRestriction :
                        descriptionFormat = Messages.UPDATES_WIZARD_CANNOT_MIGRATE_VM_LICENSE_REASON;
                        break;

                    default :
                        descriptionFormat = Messages.UPDATES_WIZARD_CANNOT_MIGRATE_VM_UNKNOWN_REASON;
                        break;
                }

                return String.Format(descriptionFormat, VM.Name); 
            }
        }
    }
}