//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Tuesday, April 10, 2018
//--------------------------------------------------------
using System.Collections.Generic;
using UnityEngine;

namespace vnxbqy.UI
{

    public class RightBottomFadeInOut : MonoBehaviour
    {
        [SerializeField] List<MainWinRightBottomGrid> m_Grids;
        [SerializeField] RectTransform m_Container;
        [SerializeField] Vector2 m_GridSize;
        [SerializeField] Vector2 m_Space;

        public void Init()
        {
            RefreshGridsActiveState();
            FuncOpen.Instance.OnFuncStateChangeEvent += OnFuncStateChange;
        }

        public void UnInit()
        {
            FuncOpen.Instance.OnFuncStateChangeEvent -= OnFuncStateChange;
        }

        public void Switch(bool show)
        {
            var index = 0;
            foreach (var grid in m_Grids)
            {
                var offset = index / 4;
                grid.Switch(show, offset * (m_GridSize.x + m_Space.x), offset * 0.1f);
                if (grid.gameObject.activeInHierarchy)
                {
                    index++;
                }
            }
        }

        public void SwitchImmedidately(bool show)
        {
            var index = 0;
            foreach (var grid in m_Grids)
            {
                var offset = index / 4;
                grid.SwitchImmediately(show, offset * (m_GridSize.x + m_Space.x));
                if (grid.gameObject.activeInHierarchy)
                {
                    index++;
                }
            }
        }

        private void OnFuncStateChange(int functionId)
        {
            RefreshGridsActiveState();
        }

        private void RefreshGridsActiveState()
        {
            m_Grids.Sort((MainWinRightBottomGrid x, MainWinRightBottomGrid y) =>
            {
                return x.index.CompareTo(y.index);
            });

            foreach (var grid in m_Grids)
            {
                var active = grid.IsOpen();
                if (active && !grid.gameObject.activeSelf)
                {
                    grid.SetActive(true);
                }

                if (!active && grid.gameObject.activeSelf)
                {
                    grid.SetActive(false);
                }
            }

            Layout();
        }

        [ContextMenu("Layout")]
        public void Layout()
        {
            var index = 0;
            foreach (var grid in m_Grids)
            {
                if (grid.gameObject.activeSelf)
                {
                    var row = index % 4;
                    var column = index / 4;

                    var x = m_Container.rect.width * 0.5f - m_GridSize.x * (column + 0.5f) - m_Space.x * column;
                    var y = m_Container.rect.height * 0.5f - m_GridSize.y * (row + 0.5f) - m_Space.y * row;
                    grid.rectTransform.anchoredPosition = new Vector2(x, y);
                    index++;
                }
            }

            foreach (var grid in m_Grids)
            {
                if (grid.gameObject.activeSelf)
                {
                    grid.transform.SetAsFirstSibling();
                }
            }
        }

    }



}