using System.Collections.ObjectModel;
using System.Linq;
using UnifiedFarmLauncher.Models;
using UnifiedFarmLauncher.Services;

namespace UnifiedFarmLauncher.ViewModels
{
    public class WorkerEditViewModel : ViewModelBase
    {
        private readonly ConfigService _configService;
        private readonly bool _isNew;
        private int _id;
        private string _name = string.Empty;
        private bool _enabled = true;
        private string _sshHost = string.Empty;
        private int _sshPort = 22;
        private string _sshArgs = string.Empty;
        private string _sheepItGpu = "OPTIX_0";
        private string _sheepItUsername = string.Empty;
        private string _sheepItRenderKey = string.Empty;
        private string _flamencoWorkerPath = string.Empty;
        private bool _hasSheepIt;
        private bool _hasFlamenco;

        public WorkerEditViewModel(ConfigService configService, WorkerConfig? worker = null)
        {
            _configService = configService;
            _isNew = worker == null;
            NetworkDrives = new ObservableCollection<string>();
            NetworkPaths = new ObservableCollection<string>();

            if (worker != null)
            {
                LoadWorker(worker);
            }
            else
            {
                _id = _configService.GetNextWorkerId();
            }
        }

        public int Id
        {
            get => _id;
            set => SetAndRaise(ref _id, value);
        }

        public string Name
        {
            get => _name;
            set => SetAndRaise(ref _name, value);
        }

        public bool Enabled
        {
            get => _enabled;
            set => SetAndRaise(ref _enabled, value);
        }

        public string SshHost
        {
            get => _sshHost;
            set => SetAndRaise(ref _sshHost, value);
        }

        public int SshPort
        {
            get => _sshPort;
            set => SetAndRaise(ref _sshPort, value);
        }

        public string SshArgs
        {
            get => _sshArgs;
            set => SetAndRaise(ref _sshArgs, value);
        }

        public bool HasSheepIt
        {
            get => _hasSheepIt;
            set => SetAndRaise(ref _hasSheepIt, value);
        }

        public bool HasFlamenco
        {
            get => _hasFlamenco;
            set => SetAndRaise(ref _hasFlamenco, value);
        }

        public string SheepItGpu
        {
            get => _sheepItGpu;
            set => SetAndRaise(ref _sheepItGpu, value);
        }

        public string SheepItUsername
        {
            get => _sheepItUsername;
            set => SetAndRaise(ref _sheepItUsername, value);
        }

        public string SheepItRenderKey
        {
            get => _sheepItRenderKey;
            set => SetAndRaise(ref _sheepItRenderKey, value);
        }

        public string FlamencoWorkerPath
        {
            get => _flamencoWorkerPath;
            set => SetAndRaise(ref _flamencoWorkerPath, value);
        }

        public ObservableCollection<string> NetworkDrives { get; }
        public ObservableCollection<string> NetworkPaths { get; }

        private void LoadWorker(WorkerConfig worker)
        {
            Id = worker.Id;
            Name = worker.Name;
            Enabled = worker.Enabled;
            SshHost = worker.Ssh.Host;
            SshPort = worker.Ssh.Port;
            SshArgs = worker.Ssh.Args;

            if (worker.WorkerTypes.SheepIt != null)
            {
                HasSheepIt = true;
                SheepItGpu = worker.WorkerTypes.SheepIt.Gpu;
                SheepItUsername = worker.WorkerTypes.SheepIt.Username;
                SheepItRenderKey = worker.WorkerTypes.SheepIt.RenderKey;
            }

            if (worker.WorkerTypes.Flamenco != null)
            {
                HasFlamenco = true;
                FlamencoWorkerPath = worker.WorkerTypes.Flamenco.WorkerPath;
                NetworkDrives.Clear();
                foreach (var drive in worker.WorkerTypes.Flamenco.NetworkDrives)
                {
                    NetworkDrives.Add(drive);
                }
                NetworkPaths.Clear();
                foreach (var path in worker.WorkerTypes.Flamenco.NetworkPaths)
                {
                    NetworkPaths.Add(path);
                }
            }
        }

        public WorkerConfig ToWorkerConfig()
        {
            var worker = new WorkerConfig
            {
                Id = Id,
                Name = Name,
                Enabled = Enabled,
                Ssh = new SshConfig
                {
                    Host = SshHost,
                    Port = SshPort,
                    Args = SshArgs
                },
                WorkerTypes = new WorkerTypeConfig()
            };

            if (HasSheepIt)
            {
                worker.WorkerTypes.SheepIt = new SheepItConfig
                {
                    Gpu = SheepItGpu,
                    Username = SheepItUsername,
                    RenderKey = SheepItRenderKey
                };
            }

            if (HasFlamenco)
            {
                worker.WorkerTypes.Flamenco = new FlamencoConfig
                {
                    WorkerPath = FlamencoWorkerPath,
                    NetworkDrives = NetworkDrives.ToList(),
                    NetworkPaths = NetworkPaths.ToList()
                };
            }

            return worker;
        }

        public void Save()
        {
            var worker = ToWorkerConfig();
            if (_isNew)
            {
                _configService.AddWorker(worker);
            }
            else
            {
                _configService.UpdateWorker(worker);
            }
        }
    }
}