using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using BF;

namespace BFEditor
{
	[CustomEditor(typeof(BFGridLayout))]
	public class BFGridLayoutInspector : Editor
	{
	    BFGridLayout layout;
	    private bool isDirty = false;
	    private float tmpFloat = 0.0f;
	    private TextAnchor tmpTextAnchor = TextAnchor.UpperLeft;
	    private bool tmpBool = false;
	    private BFGridLayout.Corner tmpCorner = BFGridLayout.Corner.UpperLeft;
	    private Vector2 hundred = new Vector2(100, 100);
	    private Vector2 tmpVector2 = Vector2.zero;
	    private BFGridLayout.Constraint tmpConstraint = BFGridLayout.Constraint.Flexible;
	    private int tmpInt = 0;

	    void OnEnable()
	    {
	        layout = target as BFGridLayout;
	    }

	    public override void OnInspectorGUI()
	    {
	        EditorGUILayout.BeginVertical();

	        tmpFloat = EditorGUILayout.FloatField("Left", layout.Left);
	        if (layout.Left != tmpFloat)
	        {
	            isDirty = true;
	            layout.Left = tmpFloat;
	        }
	        tmpFloat = EditorGUILayout.FloatField("Right", layout.Right);
	        if (layout.Right != tmpFloat)
	        {
	            isDirty = true;
	            layout.Right = tmpFloat;
	        }
	        tmpFloat = EditorGUILayout.FloatField("Top", layout.Top);
	        if (layout.Top != tmpFloat)
	        {
	            isDirty = true;
	            layout.Top = tmpFloat;
	        }
	        tmpFloat = EditorGUILayout.FloatField("Bottom", layout.Bottom);
	        if (layout.Bottom != tmpFloat)
	        {
	            isDirty = true;
	            layout.Bottom = tmpFloat;
	        }

	        tmpTextAnchor = (TextAnchor)EditorGUILayout.Popup("Child Alignment", (int)layout.ChildAlignment, new string[]
	        {
	            "UpperLeft",
	            "UpperCenter",
	            "UpperRight",
	            "MiddleLeft",
	            "MiddleCenter",
	            "MiddleRight",
	            "LowerLeft",
	            "LowerCenter",
	            "LowerRight",
	        });

	        if (layout.ChildAlignment != tmpTextAnchor)
	        {
	            isDirty = true;
	            layout.ChildAlignment = tmpTextAnchor;
	        }

	        tmpCorner = (BFGridLayout.Corner) EditorGUILayout.Popup("StartCorner", (int) layout.StartCorner,
	            new string[]
	            {
	                "UpperLeft",
	                "UpperRight",
	                "LowerLeft",
	                "LowerRight",
	            });
	        if (tmpCorner != layout.StartCorner)
	        {
	            isDirty = true;
	            layout.StartCorner = tmpCorner;
	        }

	        tmpVector2 = EditorGUILayout.Vector2Field("CellSize", layout.CellSize);
	        if (layout.CellSize != tmpVector2)
	        {
	            if (layout.CellSize.x <= 0 || layout.CellSize.y <= 0)
	            {
	                layout.CellSize = hundred;
	                isDirty = true;
	                layout.CellSize = tmpVector2;
	            }
	        }

	        tmpVector2 = EditorGUILayout.Vector2Field("Spaceing", layout.Spaceing);
	        if (layout.Spaceing != tmpVector2)
	        {
	            isDirty = true;
	            layout.Spaceing = tmpVector2;
	        }

	        tmpConstraint = (BFGridLayout.Constraint)EditorGUILayout.Popup("ConstraintType", (int) layout.ConstraintType, new string[]
	        {
	            "Flexible",
	            "FixedColumnCount",
	            "FixedRowCount"
	        });

	        if (tmpConstraint != layout.ConstraintType)
	        {
	            isDirty = true;
	            layout.ConstraintType = tmpConstraint;
	        }

	        if (layout.ConstraintType == BFGridLayout.Constraint.Flexible)
	        {

	        }
	        else if(layout.ConstraintType == BFGridLayout.Constraint.FixedColumnCount)
	        {
	            tmpInt = EditorGUILayout.IntField("ConstraintCount", layout.ConstraintCount);
	            if (tmpInt != layout.ConstraintCount)
	            {
	                isDirty = true;
	                layout.ConstraintCount = tmpInt;
	            }
	        }
	        else if(layout.ConstraintType == BFGridLayout.Constraint.FixedRowCount)
	        {
	            tmpInt = EditorGUILayout.IntField("ConstraintCount", layout.ConstraintCount);
	            if (tmpInt != layout.ConstraintCount)
	            {
	                isDirty = true;
	                layout.ConstraintCount = tmpInt;
	            }
	        }

	        if (GUILayout.Button("孩子变化的时候手动刷新"))
	        {
	            layout.RefreshLayout();
	        }

	        if (isDirty)
	        {
	            EditorUtility.SetDirty(target);
	            AssetDatabase.SaveAssets();
	        }

	        EditorGUILayout.EndVertical();
	    }
	}
}