/* This software is licensed by the MIT License, see LICENSE file */
/*                           Copyright © 2024-2025 Gregory Lirent */

using System.Text.Json.Serialization;

namespace WebmrAPI.Models
{
    public class ProcessBaseInfo : MemoryRegion
    {
        public enum ProcessStatus
        {
            Undefined,
            Running,
            NotResponding
        }

        private TimeSpan _lastPTime = TimeSpan.Zero;
        private TimeSpan _curPTime  = TimeSpan.Zero;

        private int _pid = 0;
        private int _ppid = -1;
        private int _tcount = 0;
        private string? _name = null;
        private string? _fname = null;
        private string? _cmd = null;
        private ProcessStatus _status = ProcessStatus.Undefined;
        private DateTime? _startTime = null;
        private double _cpuUsage = 0;

        [JsonIgnore]
        public TimeSpan TotalProcessorTime 
        {
            set { lock (_lock) { _lastPTime = _curPTime; _curPTime = value; } }
        }
        [JsonIgnore]
        public double ProcessorTime
        {
            get { lock (_lock) return (_curPTime - _lastPTime).TotalMilliseconds; }
        }
        public int PID
        {
            get => LockedGet(ref _pid);
            set => LockedSet(ref _pid, value);
        }
        public int ParentPID
        {
            get => LockedGet(ref _ppid);
            set => LockedSet(ref _ppid, value);
        }
        public string? Name
        {
            get => LockedGet(ref _name);
            set => LockedSet(ref _name, value);
        }
        public string? FileName
        {
            get => LockedGet(ref _fname);
            set => LockedSet(ref _fname, value);
        }
        public string? CommandLine
        {
            get => LockedGet(ref _cmd);
            set => LockedSet(ref _cmd, value);
        }
        public int ThreadCount
        {
            get => LockedGet(ref _tcount);
            set => LockedSet(ref _tcount, value);
        }
        public ProcessStatus Status
        {
            get => LockedGet(ref _status);
            set => LockedSet(ref _status, value);
        }
        public DateTime? StartTime
        {
            get => LockedGet(ref _startTime);
            set => LockedSet(ref _startTime, value);
        }
        public double CpuUsage
        {
            get => LockedGet(ref _cpuUsage);
            set => LockedSet(ref _cpuUsage, value);
        }
    }
}