using CommunityToolkit.Mvvm.ComponentModel;
using NationalInstruments.TestStand.Interop.API;
using System.Collections.ObjectModel;
using System.Runtime.InteropServices;

namespace Plugin.SeqEditor.Entity
{
    public partial class StepUI : ObservableObject
    {

        ~StepUI()
        {
            if (step != null)
            {
                Marshal.ReleaseComObject(step);
            }
        }

        public Step step { get; private set; }
        public Sequence sequence { get; private set; }

        public event EventHandler<string> SettingChanged;

        public int IndexInSequence { 
            get {
                return sequence.GetStepIndex(Name, StepGroup);
            } 
        }

        public StepUI(Step step, Sequence sequence)
        {
            this.step = step;
            this.sequence = sequence;
        }

        public void UpdatePropertyChanged(string name)
        {
            OnPropertyChanged(name);
        }

        protected new void OnPropertyChanged(string name)
        {
            base.OnPropertyChanged(name);
            SettingChanged?.Invoke(this, name);
        }

        public string Name
        {
            get => step?.Name;
            set
            {
                if (step != null)
                {
                    step.Name = value;
                    OnPropertyChanged(nameof(Name));
                }
            }
        }

        public string Description
        {
            get => step?.Description;
        }

        public string RunMode
        {
            get => step?.GetRunModeEx();
            set
            {
                if (step != null)
                {
                    step.SetRunModeEx(value);
                    OnPropertyChanged(nameof(RunMode));
                }
            }
        }

        public string Type
        {
            get => step?.StepType?.Name;
        }

        public bool CanChangeAdapter
        {
            get => step?.CanChangeAdapter() ?? true;
        }

        public string Adapter
        {
            get => step?.AdapterKeyName;
            set
            {
                if (step != null)
                {
                    step.ChangeAdapter(value);
                    OnPropertyChanged(nameof(RunMode));
                }
            }
        }

        public StepGroups StepGroup
        {
            get
            {
                return step.StepGroup;
            }
        }

        [ObservableProperty]
        private string group;

        [ObservableProperty]
        public ObservableCollection<StepUI> children = new();

        public override string ToString()
        {
            return Name;
        }
    }
}