using System;
using System.ComponentModel;
using UnityEngine;

public partial class MateListRow : EScrCell, IOnRecieveIntent
{
    static MateListRow _hasSelectedSlotRow;

    [SerializeField] SlotUI[] slotUIs;

    MonoBehaviour intent;
    SlotUI selected;

    public MateData SelectedMateData => selected?.mateData;

    public override void InitCell()
    {
        for(int i = 0; i < slotUIs.Length; ++i)
        {
            slotUIs[i].SetActiveSelectedIndicator(false);
        }
    }

    public override void RefreshCellView()
    {
        intent = null;
        DeselectCurrent();
    }

    public override void SetData(int rowIndex)
    {
        const int columnCount = 4;
        var row = MateDataGroup.Instance.GetMateDataMatrix(columnCount)[rowIndex];

        int i;
        for (i = 0; i < row.Count; ++i)
        {
            var mateData = row[i];
            if (mateData is null || slotUIs.Length <= i) continue;

            slotUIs[i].SetMateData(mateData);

            if (_hasSelectedSlotRow is null)
            {
                _hasSelectedSlotRow = this;

                selected = slotUIs[i];
                SelectCurrent();

                var _parms = new object[] { this, false };
                intent?.SendMessage(nameof(MateSettingView.OnClickedListSlot), _parms);
            }
        }

        for (; i < slotUIs.Length; ++i)
            slotUIs[i].SetMateData(null);

        SelectCurrent();
    }

    public void OnClickSlot(int index)
    {
        selected = slotUIs[index];
        SelectCurrent();

        var _parms = new object[] { this, true };
        intent?.SendMessage(nameof(MateSettingView.OnClickedListSlot), _parms);
    }

    public void SelectCurrent()
    {
        if (selected is null) return;

        _hasSelectedSlotRow = this;
        selected.SetActiveSelectedIndicator(true);
    }

    public void DeselectCurrent()
    {
        selected?.SetActiveSelectedIndicator(false);
        selected = null;
        _hasSelectedSlotRow = null;
    }

    public void OnRecieveIntent(object intent) => this.intent = intent as MonoBehaviour;
}

public partial class MateListRow : EScrCell
{
    [Serializable]
    public class SlotUI
    {
        public ObjectIndicator indicator;
        public GameObject unlockIndicator;
        public GameObject settedIndicator;
        public GameObject selectedIndicator;

        public MateData mateData { get; private set; }

        public void SetMateData(MateData mateData)
        {
            if(this.mateData != null)
                this.mateData.PropertyChanged -= HandlePropertyChanged;

            this.mateData = mateData;

            if(mateData != null)
            {
                mateData.SetIndicator(indicator);
                unlockIndicator?.gameObject.SetActive(!mateData.IsUnlocked);
                settedIndicator?.gameObject.SetActive(mateData.IsSetted);
                mateData.PropertyChanged += HandlePropertyChanged;
            }
            else
            {
                indicator?.gameObject.SetActive(false);
            }
        }

        public void SetActiveSelectedIndicator(bool active)
        {
            selectedIndicator?.gameObject.SetActive(active);
        }

        private void HandlePropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            if(e.PropertyName == nameof(MateData.IsUnlocked))
                unlockIndicator?.SetActive(!mateData.IsUnlocked);
            else if(e.PropertyName == nameof(MateData.IsSetted))
                settedIndicator?.SetActive(mateData.IsSetted);
        }
    }
}