using Hardware.Info;
using Salmon.Core;
using Salmon.Core.Cliff;

namespace Salmon.Model.Monitor;

public class Machine
        : Element
{
    [PersistentField]
    public DateTime? LastStart { get; set; } = DateTime.Now;

    [PersistentField]
    public bool? Online { get; set; } = true;

    [PersistentField]
    public string? OperatingSystem { get; set; }

    [PersistentField]
    public ulong? TotalRam { get; set; } = 0;

    public string? TotalRamHuman
    {
        get
        {
            if (TotalRam is null)
                return null;

            return Helper.SizeSuffix((long)TotalRam);
        }
    }

    [PersistentField]
    public ulong? AvailableRam { get; set; } = 0;

    public string? AvailableRamHuman
    {
        get
        {
            if (AvailableRam is null)
                return null;

            return Helper.SizeSuffix((long)AvailableRam);
        }
    }

    public float? AvailablePercentRam
    {
        get
        {
            if(TotalRam is null ||  AvailableRam is null)
                return null;

            return (float)AvailableRam / (float)TotalRam;
        }
    }

    public string? AvailablePercentRamHuman
    {
        get
        {
            var percent = AvailablePercentRam;
            if (percent is null)
                return null;

            return $"{percent*100:0.0}%";
        }
    }

    public Machine(string id)
        : base(id)
    {

    }

    public override IEnumerable<KeyValuePair<string, object>> ImportantProperties()
    {
        foreach(var kv in base.ImportantProperties())
            yield return kv;

        if (TotalRamHuman is not null)
            yield return new KeyValuePair<string, object>(nameof(TotalRamHuman), TotalRamHuman);

        if (AvailableRamHuman is not null)
            yield return new KeyValuePair<string, object>(nameof(AvailableRamHuman), AvailableRamHuman);

        if (AvailablePercentRamHuman is not null)
            yield return new KeyValuePair<string, object>(nameof(AvailablePercentRamHuman), AvailablePercentRamHuman);
    }

    public static Machine FromLocal()
    {
        Machine machine = new(Helper.GetMachineId())
        {
            ShortName = Environment.MachineName
        };

        try
        {
            HardwareInfo hardwareInfo = new ();
            hardwareInfo.RefreshMemoryStatus();

            machine.OperatingSystem = hardwareInfo.OperatingSystem.ToString();
            machine.TotalRam = hardwareInfo.MemoryStatus.TotalPhysical;
            machine.AvailableRam = hardwareInfo.MemoryStatus.AvailablePhysical;
        }
        catch (Exception ex)
        {
        }


        return machine;
    }


}