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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.VmApplianceProblem;
using XenAPI;


namespace XenAdmin.Diagnostics.Checks.DR
{
    public class RunningVmApplianceCheck: PoolCheck
    {
        private readonly VM_appliance vmAppliance;

        /// <summary>
        /// Check if an appliance is running in specified pool. 
        /// </summary>
        /// <param name="vmAppliance">the appliance</param>
        /// <param name="pool">the pool on which to check if the specified appliance is running</param>
        public RunningVmApplianceCheck(VM_appliance vmAppliance, Pool pool)
            : base (pool)
        {
            this.vmAppliance = vmAppliance;
        }

        protected override Problem RunCheck()
        {
            if (vmAppliance != null)
            {
                foreach (VM_appliance appliance in Pool.Connection.Cache.VM_appliances)
                {
                    if (appliance.uuid == vmAppliance.uuid)
                        return appliance.IsRunning ? new RunningVmApplianceProblem(this, appliance, false) : null;
                }
            }
            return null;
        }

        public override string Description
        {
            get
            {
                return string.Format(Messages.DR_WIZARD_APPLIANCE_CHECK_DESCRIPTION, vmAppliance.Name); 
            }
        }
    }
}