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using System.Windows.Forms;
using XenAdmin.Commands;
using XenAdmin.Diagnostics.Checks;
using XenAPI;
using XenAdmin.Dialogs.VMDialogs;
using XenAdmin.Actions;
using XenAdmin.Actions.VMActions;
using System.Collections.Generic;
using XenAdmin.Dialogs;
using System.Drawing;
using System;


namespace XenAdmin.Diagnostics.Problems.HostProblem
{
    public class HostOutOfSpaceProblem : HostProblem
    {
        private readonly DiskSpaceRequirements diskSpaceReq;
        private readonly Pool_patch patch;

        public HostOutOfSpaceProblem(Check check, Host host, Pool_patch patch, DiskSpaceRequirements diskSpaceReq)
            : base(check,  host)
        {
            this.patch = patch;
            this.diskSpaceReq = diskSpaceReq;
        }

        public override string Description
        {
            get { return string.Format(Messages.NOT_ENOUGH_SPACE_MESSAGE_INSTALL, Server.Name, patch.Name); }
        }

        protected override AsyncAction CreateAction(out bool cancelled)
        {
            AsyncAction action = null;

            if (diskSpaceReq.CanCleanup)
            {
                Program.Invoke(Program.MainWindow, delegate()
                {
                    DialogResult r = new ThreeButtonDialog(
                        new ThreeButtonDialog.Details(
                           SystemIcons.Warning,
                           diskSpaceReq.GetSpaceRequirementsMessage()),
                        new ThreeButtonDialog.TBDButton(Messages.YES, DialogResult.Yes, ThreeButtonDialog.ButtonType.ACCEPT, true),
                        ThreeButtonDialog.ButtonNo
                        ).ShowDialog(Program.MainWindow);


                    if (r == DialogResult.Yes)
                    {
                        action = new CleanupDiskSpaceAction(this.Server, patch, true);
                    }
                });
            }
            else
            { 
                Program.Invoke(Program.MainWindow, delegate()
                {
                    new ThreeButtonDialog(
                        new ThreeButtonDialog.Details(SystemIcons.Warning, diskSpaceReq.GetSpaceRequirementsMessage()))
                        .ShowDialog();
                });
            }
            cancelled = action == null;
            
            return action;
        }

        public override string HelpMessage
        {
            get { return diskSpaceReq.GetMessageForActionLink(); }
        }

        public override bool IsFixable
        {
            get
            {
                return false;
            }
        }

    }
}