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using XenAdmin.Core;
using XenAdmin.Diagnostics.Checks;
using XenAPI;

namespace XenAdmin.Diagnostics.Problems.HostProblem
{
    public enum HostNotSafeToUpgradeReason { NotEnoughSpace, VdiPresent, UtilityPartitionPresent, LegacyPartitionTable, Default }

    public class HostNotSafeToUpgradeWarning : WarningWithMoreInfo
    {
        private readonly Host _host;
        private readonly string _shortMessage;

        public HostNotSafeToUpgradeWarning(Check check, Host host, HostNotSafeToUpgradeReason reason)
            : base(check)
        {
            _host = host;
            var version = $"{BrandManager.ProductBrand} {BrandManager.ProductVersionPost82}";
            var newPartitionInfo = string.Format(Messages.NOT_SAFE_TO_UPGRADE_NEW_PARTITION_INFO, version);

            string detail;

            switch (reason)
            {
                case HostNotSafeToUpgradeReason.NotEnoughSpace:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_NOT_ENOUGH_SPACE;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_NOT_ENOUGH_SPACE_WARNING, version);
                    break;
                case HostNotSafeToUpgradeReason.VdiPresent:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_VDI_PRESENT;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_VDI_PRESENT_WARNING, version);
                    break;
                case HostNotSafeToUpgradeReason.UtilityPartitionPresent:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_UTILITY_PARTITION;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_UTILITY_PARTITION_WARNING, version);
                    break;
                case HostNotSafeToUpgradeReason.LegacyPartitionTable:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_LEGACY_PARTITION_TABLE;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_LEGACY_PARTITION_TABLE_WARNING, version);
                    break;
                default:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_DEFAULT;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_DEFAULT_WARNING, version);
                    break;
            }
            Message = $"{_shortMessage}\n\n{newPartitionInfo}\n\n{detail}";
        }

        public override string Message { get; }

        public override string Title => Description;

        public override string Description => string.Format(Messages.STRING_COLON_SPACE_STRING, _host.name_label, _shortMessage);
    }

    public class HostNotSafeToUpgradeProblem : ProblemWithMoreInfo
    {
        private readonly Host _host;
        private readonly string _shortMessage;

        public HostNotSafeToUpgradeProblem(Check check, Host host, HostNotSafeToUpgradeReason reason)
            : base(check)
        {
            _host = host;
            var version = $"{BrandManager.ProductBrand} {BrandManager.ProductVersionPost82}";
            var newPartitionInfo = string.Format(Messages.NOT_SAFE_TO_UPGRADE_NEW_PARTITION_INFO, version);
            string detail;

            switch (reason)
            {
                case HostNotSafeToUpgradeReason.NotEnoughSpace:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_NOT_ENOUGH_SPACE;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_NOT_ENOUGH_SPACE_PROBLEM, version);
                    break;
                case HostNotSafeToUpgradeReason.VdiPresent:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_VDI_PRESENT;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_VDI_PRESENT_PROBLEM, version);
                    break;
                case HostNotSafeToUpgradeReason.UtilityPartitionPresent:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_UTILITY_PARTITION;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_UTILITY_PARTITION_PROBLEM, version);
                    break;
                case HostNotSafeToUpgradeReason.LegacyPartitionTable:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_LEGACY_PARTITION_TABLE;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_LEGACY_PARTITION_TABLE_PROBLEM, version);
                    break;
                default:
                    _shortMessage = Messages.NOT_SAFE_TO_UPGRADE_DEFAULT;
                    detail = string.Format(Messages.NOT_SAFE_TO_UPGRADE_DEFAULT_PROBLEM, version);
                    break;
            }
            Message = $"{_shortMessage}\n\n{newPartitionInfo}\n\n{detail}";
        }

        public override string Message { get; }

        public override string Title => Description;

        public override string Description => string.Format(Messages.STRING_COLON_SPACE_STRING, _host.name_label, _shortMessage);
    }
}