using UnityEngine;
using UnityEditor;
using Geri.MinMaxSlider;

[CustomPropertyDrawer(typeof(MinMaxSliderAttribute))]
public class MinMaxSliderDrawer : PropertyDrawer {

    public override void OnGUI(Rect position, SerializedProperty property, GUIContent label){

        var minMaxAttribute = (MinMaxSliderAttribute)attribute;
        var propertyType = property.propertyType;

        label.tooltip = minMaxAttribute.min.ToString("F2") + " to " + minMaxAttribute.max.ToString("F2");

        if(propertyType == SerializedPropertyType.Vector2){
            Vector2 vector = property.vector2Value;
            float minVal = vector.x;
            float maxVal = vector.y;

            int originalIndentLevel = EditorGUI.indentLevel;
            EditorGUI.BeginProperty(position, label, property);

            position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
            EditorGUI.indentLevel = 0;
            float fieldWidth = position.width / 4f - 4f;
            float sliderWidth = position.width / 2f;
            position.width = fieldWidth;
            minVal = EditorGUI.FloatField(position, minVal);
            position.x += fieldWidth + 4f;
            position.width = sliderWidth;
            EditorGUI.MinMaxSlider(position, ref minVal, ref maxVal, minMaxAttribute.min, minMaxAttribute.max);
            position.x += sliderWidth + 4f;
            position.width = fieldWidth;
            maxVal = EditorGUI.FloatField(position, maxVal);
            if (maxVal < minMaxAttribute.min){
                minVal = minMaxAttribute.min;
            }else if (maxVal > minMaxAttribute.max){
                maxVal = minMaxAttribute.max;
            }
            vector = new Vector2(minVal > maxVal ? maxVal : minVal, maxVal);
            property.vector2Value = vector;

            EditorGUI.EndProperty();
            EditorGUI.indentLevel = originalIndentLevel;

        }else if(propertyType == SerializedPropertyType.Vector2Int){

            Vector2Int vector = property.vector2IntValue;
            float minVal = vector.x;
            float maxVal = vector.y;

            int originalIndentLevel = EditorGUI.indentLevel;
            EditorGUI.BeginProperty(position, label, property);

            position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
            EditorGUI.indentLevel = 0;
            float fieldWidth = position.width / 4f - 4f;
            float sliderWidth = position.width / 2f;
            position.width = fieldWidth;
            minVal = EditorGUI.FloatField(position, minVal);
            position.x += fieldWidth + 4f;
            position.width = sliderWidth;
            EditorGUI.MinMaxSlider(position, ref minVal, ref maxVal, minMaxAttribute.min, minMaxAttribute.max);
            position.x += sliderWidth + 4f;
            position.width = fieldWidth;
            maxVal = EditorGUI.FloatField(position, maxVal);
            if (maxVal < minMaxAttribute.min){
                minVal = minMaxAttribute.min;
            }else if (maxVal > minMaxAttribute.max){
                maxVal = minMaxAttribute.max;
            }
            vector = new Vector2Int(Mathf.FloorToInt(minVal > maxVal ? maxVal : minVal), Mathf.FloorToInt(maxVal));
            property.vector2IntValue = vector;

            EditorGUI.EndProperty();
            EditorGUI.indentLevel = originalIndentLevel;

        } 

    }
}