//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Friday, July 28, 2017
//--------------------------------------------------------
using UnityEngine;
using System.Collections;

namespace vnxbqy.UI
{

    //[ExecuteAlways]
    [DisallowMultipleComponent]
    [RequireComponent(typeof(RectTransform))]
    public class WindowInfo : MonoBehaviour, ICanvasRaycastFilter
    {

        [SerializeField]
        WindowType m_WindowType = WindowType.Normal;
        public WindowType windowType {
            get { return m_WindowType; }
            set { m_WindowType = value; }
        }

        [SerializeField]
        Tween m_Tween;
        public Tween tween {
            get { return m_Tween; }
            set { m_Tween = value; }
        }

        [SerializeField]
        bool m_ClickEmptyToClose = false;
        public bool clickEmptyToClose {
            get { return m_ClickEmptyToClose; }
            set { m_ClickEmptyToClose = value; }
        }

        [SerializeField]
        bool m_NeedMask = false;
        public bool needMask {
            get { return m_NeedMask; }
            set { m_NeedMask = value; }
        }

        [SerializeField]
        bool m_FullScreen = false;
        public bool fullScreen {
            get { return m_FullScreen; }
            set { m_FullScreen = value; }
        }

        [SerializeField]
        bool m_RaycastTarget = true;
        public bool raycastTarget {
            get { return m_RaycastTarget; }
            set { m_RaycastTarget = value; }
        }

        public bool IsRaycastLocationValid(Vector2 sp, Camera eventCamera)
        {
            return raycastTarget;
        }

        //[ExecuteAlways]
        private void Awake()
        {
#if UNITY_EDITOR
            if (!Application.isPlaying)
            {
                FindParent();
            }
#endif
        }

        private void FindParent()
        {
            var uiroot = GameObject.FindObjectOfType<UIRoot>();
            if (uiroot == null)
            {
                var prefab = BuiltInLoader.LoadPrefab("UIRoot");
                var instance = GameObject.Instantiate(prefab, Vector3.zero, Quaternion.identity);
                instance.name = "UIRoot";
                uiroot = instance.GetComponent<UIRoot>();
            }

            uiroot.uicamera.clearFlags = CameraClearFlags.SolidColor;

            var rectTransform = this.transform as RectTransform;
            RectTransform parent = null;
            switch (windowType)
            {
                case WindowType.Base:
                    parent = uiroot.baseCanvas.transform as RectTransform;
                    break;
                case WindowType.Normal:
                    parent = uiroot.normalCanvas.transform as RectTransform;
                    break;
                case WindowType.Modal:
                    parent = uiroot.modalCanvas.transform as RectTransform;
                    break;
                case WindowType.Tip:
                    parent = uiroot.tipsCanvas.transform as RectTransform;
                    break;
                case WindowType.System:
                    parent = uiroot.systemCanvas.transform as RectTransform;
                    break;
                case WindowType.Loading:
                    parent = uiroot.loadingCanvas.transform as RectTransform;
                    break;
            }

            if (parent != null)
            {
                rectTransform.MatchWhith(parent);
            }
#if UNITY_EDITOR
            UnityEditor.Selection.activeGameObject = this.gameObject;
#endif
        }

    }

}