using System.ServiceProcess;
using System.Windows;
using System.Windows.Media;

namespace JJServiceManager
{
    /// <summary>초기화면 서비스 목록의 한 줄</summary>
    public sealed class ServiceRow : ObservableObject
    {
        private bool _isChecked;
        private ServiceControllerStatus? _status;
        private bool _statusKnown;
        private bool _isBusy;

        public ServiceEntry Entry { get; }

        public ServiceRow(ServiceEntry entry) => Entry = entry;

        public string DisplayName => string.IsNullOrEmpty(Entry.DisplayName) ? Entry.ServiceName : Entry.DisplayName;
        public string ServiceName => Entry.ServiceName;
        public string ServiceNameText => string.Equals(Entry.DisplayName, Entry.ServiceName, System.StringComparison.OrdinalIgnoreCase) ? "" : $"({Entry.ServiceName})";
        public string Tooltip => $"서비스명: {Entry.ServiceName}\n우클릭: 로그 경로 지정";

        public bool IsChecked { get => _isChecked; set => Set(ref _isChecked, value); }

        /// <summary>Start/Stop 진행 중이면 false</summary>
        public bool IsIdle => !_isBusy;
        public bool IsBusy
        {
            get => _isBusy;
            set { if (Set(ref _isBusy, value)) OnPropertyChanged(nameof(IsIdle)); }
        }

        public ServiceControllerStatus? Status
        {
            get => _status;
            set
            {
                if (_statusKnown && _status == value) return;
                _status = value;
                _statusKnown = true;
                OnPropertyChanged();
                OnPropertyChanged(nameof(StatusText));
                OnPropertyChanged(nameof(StatusBrush));
            }
        }

        public bool StatusKnown => _statusKnown;

        public string StatusText => _statusKnown ? ServiceOps.StatusText(_status) : "확인 중…";

        public Brush StatusBrush => !_statusKnown ? Brushes2.Unknown : _status switch
        {
            ServiceControllerStatus.Running => Brushes2.Running,
            ServiceControllerStatus.Stopped => Brushes2.Stopped,
            null => Brushes2.Unknown,
            ServiceControllerStatus.Paused => Brushes2.Unknown,
            _ => Brushes2.Pending
        };

        public string LogTooltip => string.IsNullOrWhiteSpace(Entry.LogPath)
            ? "로그 경로가 없습니다. 누르면 지정합니다. (우클릭: 변경)"
            : (Entry.LogIsFolder ? "폴더(최신 파일): " : "파일: ") + Entry.LogPath + "\n우클릭: 변경";

        public FontWeight LogFontWeight => string.IsNullOrWhiteSpace(Entry.LogPath) ? FontWeights.Normal : FontWeights.Bold;

        public void LogPathChanged()
        {
            OnPropertyChanged(nameof(LogTooltip));
            OnPropertyChanged(nameof(LogFontWeight));
        }
    }
}