using TyphoonGUIStyle;
using UnityEditor;
using UnityEngine;

namespace TyphoonUI
{
    [CustomEditor(typeof(ViewNamespace))]
    public class ViewNamespaceEditor : Editor
    {
        ViewNamespace Target => target as ViewNamespace;
        private Vector2 _scroll;

        public override void OnInspectorGUI()
        {
            _scroll = GUILayout.BeginScrollView(_scroll);
            var last = GUIDrawer.DrawTitleLabel("命名空间列表", GUILayout.Height(32));
            var rectSave = last;
            rectSave.width = 80;
            rectSave.height = 22;
            rectSave.center = last.center;
            rectSave.x = last.xMax - rectSave.width - 4;
            var clickSave = GUI.Button(rectSave, new GUIContent("保存配置", EditorIcons.icon_save));
            var clickRemove = false;
            var removeIndex = -1;
            for (int i = 0; i < Target.Namespaces.Count; i++)
            {
                GUILayout.BeginHorizontal();
                Target.Namespaces[i] =
                    EditorGUILayout.TextField(Target.Namespaces[i], GUILayout.Height(24));
                if (GUILayout.Button("-", Styles.Btn, GUILayout.Width(44), GUILayout.Height(24)))
                {
                    clickRemove = true;
                    removeIndex = i;
                }

                GUILayout.EndHorizontal();
            }

            GUILayout.Space(3);
            GUILayout.BeginHorizontal();
            var clickAdd = false;
            clickAdd = GUILayout.Button("+", Styles.Btn, GUILayout.Width(44));
            GUILayout.EndHorizontal();
            GUILayout.EndScrollView();

            if (clickRemove)
            {
                Target.Namespaces.RemoveAt(removeIndex);
                clickRemove = false;
            }

            if (clickAdd)
            {
                Target.Namespaces.Add("");
                clickAdd = false;
            }

            if (clickSave)
            {
                Target.Save();
                clickSave = false;
            }

            Repaint();
        }
    }
}