using UnityEngine;
using System.Collections.Generic;
using System.IO;

#if UNITY_EDITOR
using UnityEditor;
#endif

namespace H2Engine
{
    public class Bhv_Trasfer : MonoBehaviour
    {
        [HideInInspector]
        public int id;
        [HideInInspector]
        public MapTrasfer.E_TransferType transferType = MapTrasfer.E_TransferType.None;
        [HideInInspector]
        public int param;
        [HideInInspector]
        public List<Bhv_TransferPoint> pointList = new List<Bhv_TransferPoint>();

#if UNITY_EDITOR

        private bool showDetail;

        public void Save(BinaryWriter bw)
        {
            bw.Write((byte)transferType);
            bw.Write(param);
            bw.Write(pointList.Count);
            foreach (var _point in pointList)
            {
                _point.Save(bw);
            }
        }

        public void Export(BinaryWriter bw)
        {
            bw.Write((byte)transferType);
            bw.Write(param);
            bw.Write(pointList.Count);
            foreach (var _point in pointList)
            {
                _point.Export(bw);
            }
        }

        public void Load(BinaryReader br)
        {
            transferType = (MapTrasfer.E_TransferType)br.ReadByte();
            param = br.ReadInt32();
            int _count = br.ReadInt32();
            for (int i = 0; i < _count; ++i)
            {
                var _go = new GameObject(pointList.Count + "_TransferPoint");
                _go.transform.SetParent(transform);
                _go.transform.localPosition = Vector3.zero;
                _go.transform.eulerAngles = Vector3.zero;
                _go.transform.localScale = Vector3.one;
                var _transferPoint = _go.AddComponent<Bhv_TransferPoint>();
                _transferPoint.capsuleCollider = _go.AddComponent<CapsuleCollider>();
                pointList.Add(_transferPoint);

                _transferPoint.Load(br);
            }
        }

        public bool DrawUI(Bhv_MapData mapData, GUISkin guiSkin)
        {
            bool _result = false;
            EditorGUILayout.BeginVertical(guiSkin.box);
            EditorGUILayout.BeginHorizontal(GUILayout.Height(20));
            EditorGUI.indentLevel += 1;
            showDetail = EditorGUILayout.Foldout(showDetail, "  No." + mapData.transferList.IndexOf(this), true, guiSkin.customStyles[3]);
            if (GUILayout.Button("删除", guiSkin.button, GUILayout.Width(60), GUILayout.Height(20)))
            {
                _result = true;
            }
            EditorGUILayout.EndHorizontal();
            if (showDetail)
            {
                EditorGUILayout.BeginHorizontal(GUILayout.Height(22));
                EditorGUILayout.LabelField("类型", guiSkin.customStyles[0], GUILayout.Height(20), GUILayout.Width(40));
                transferType = (MapTrasfer.E_TransferType)EditorGUILayout.EnumPopup(transferType, guiSkin.box, GUILayout.Height(20));
                EditorGUILayout.EndHorizontal();
                if (transferType == MapTrasfer.E_TransferType.Other)
                {
                    EditorGUILayout.BeginHorizontal(GUILayout.Height(22));
                    EditorGUILayout.LabelField("MapID", guiSkin.customStyles[0], GUILayout.Height(20), GUILayout.Width(40));
                    param = EditorGUILayout.IntField(param, guiSkin.textField, GUILayout.Height(20));
                    EditorGUILayout.EndHorizontal();
                }

                EditorGUILayout.BeginVertical(guiSkin.customStyles[1]);

                EditorGUILayout.BeginHorizontal(GUILayout.Height(22));
                EditorGUILayout.LabelField("传送点列表", guiSkin.customStyles[0], GUILayout.Height(20));
                if (GUILayout.Button("添加", guiSkin.button, GUILayout.Width(60), GUILayout.Height(20)))
                {
                    var _go = new GameObject(pointList.Count + "_TransferPoint");
                    _go.transform.SetParent(transform);
                    _go.transform.localPosition = Vector3.zero;
                    _go.transform.eulerAngles = Vector3.zero;
                    _go.transform.localScale = Vector3.one;
                    var _transferPoint = _go.AddComponent<Bhv_TransferPoint>();
                    _transferPoint.capsuleCollider = _go.AddComponent<CapsuleCollider>();
                    pointList.Add(_transferPoint);
                }
                EditorGUILayout.EndHorizontal();
                if (pointList.Count > 0)
                {
                    for (int i = pointList.Count - 1; i >= 0; --i)
                    {
                        if (pointList[i] == null)
                        {
                            pointList.RemoveAt(i);
                            continue;
                        }
                        EditorGUILayout.BeginHorizontal(guiSkin.box, GUILayout.Height(22));
                        EditorGUILayout.LabelField("[" + (i + 1) + "]", guiSkin.customStyles[0], GUILayout.Height(20), GUILayout.Width(40));
                        EditorGUILayout.LabelField("特效ID", guiSkin.customStyles[0], GUILayout.Height(20), GUILayout.Width(40));
                        pointList[i].effectID = EditorGUILayout.IntField(pointList[i].effectID, guiSkin.textField, GUILayout.Height(20));
                        if (GUILayout.Button("定高", guiSkin.button, GUILayout.Width(60), GUILayout.Height(20)))
                        {
                            Vector3 _pos = pointList[i].transform.position;
                            _pos.y = 0;
                            RaycastHit _hit;

                            Ray _ray = new Ray(_pos + Vector3.up * 100, Vector3.down);
                            if (Physics.Raycast(_ray, out _hit, 200, 1 << LayerMask.NameToLayer("Walkable")))
                            {
                                pointList[i].transform.position = _hit.point;
                            }
                        }
                        if (GUILayout.Button("查找", guiSkin.button, GUILayout.Width(60), GUILayout.Height(20)))
                        {
                            Selection.activeGameObject = pointList[i].gameObject;
                            if (Selection.activeGameObject)
                            {
                                SceneView.lastActiveSceneView.LookAt(Selection.activeGameObject.transform.position);
                            }
                        }
                        if (GUILayout.Button("删除", guiSkin.button, GUILayout.Width(60), GUILayout.Height(20)))
                        {
                            DestroyImmediate(pointList[i].gameObject);
                            pointList.RemoveAt(i);
                        }
                        EditorGUILayout.EndHorizontal();
                    }
                }
                EditorGUILayout.EndVertical();
            }

            EditorGUI.indentLevel -= 1;
            EditorGUILayout.EndVertical();
            return _result;
        }
#endif
    }
}