using System.Collections.Generic;
using UnityEngine;
using UnityImage = UnityEngine.UI.Image;

namespace VketCloudGUITools.Runtime
{
    /// <summary>
    /// HeliodorのCImage相当
    /// MEMO : ExecuteAlways は、エディタ上で親子変更やOn/Off変更による状態変化を追跡するために必要 
    /// </summary>
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(UnityImage))]
    public class VCImage : VCGUIItemBehaviour, IVCGUIItem, IHasStateToggleList, IHasVCTransform
    {
        [SerializeField] private UnityImage _unityImage;
        [SerializeField] private List<VCStateToggle> _toggleList = new List<VCStateToggle>();
        [SerializeField] private List<int> _uvArea;
        [SerializeField] private List<float> _uvAreaRate;

        //[SerializeField] private string _fileName;

        public override void ResolveRequireComponents()
        {
            _vcTransform = GetComponent<VCTransform>();
            _unityImage = GetComponent<UnityImage>();
        }

        public string Name
        {
            get => gameObject.name;
            set => gameObject.name = value;
        }

        public Sprite Sprite
        {
            get => _unityImage.sprite;
            set => _unityImage.sprite = value;
        }

        public Color MulColor
        {
            get => _unityImage.color;
            set => _unityImage.color = value;
        }

        public List<VCStateToggle> ToggleList
        {
            get => _toggleList;
            set => _toggleList = value;
        }

        public List<int> UVArea
        {
            get => _uvArea;
            set => _uvArea = value;
        }
        public List<float> UVAreaRate
        {
            get => _uvAreaRate;
            set => _uvAreaRate = value;
        }

        public override void OnParentLayerShowChanged()
        {
            UpdateVisible();
        }

        public override void UpdateVisible()
        {
            // Visibleフラグは、heliodorとの互換性のための表示状態管理フラグです。
            // https://hikky.atlassian.net/wiki/spaces/VKETCLOUD/pages/530317633/Canvas+Show
            Visible = Show && _toggleList.IsAllTrue() && ((ParentLayer != null) ? ParentLayer.Show : true);
        }

        public override void OnVisibleChanged()
        {
            if (_unityImage != null)
                _unityImage.enabled = Visible;
        }

        public override void OnResolveReferences(VCLayerList parentLayer)
        {
            _parentLayer = parentLayer;
            ResolveRequireComponents();
        }

        public void ToggleChange(string name)
        {
            StateToggleListUtility.CommonToggleChange(this, this, name);
        }

        public void ToggleDefault(string name)
        {
            StateToggleListUtility.CommonToggleDefault(this, this, name);
        }

    }
}