using UnityEditor.DrawUtils;
using UnityEditor.Extensions;
using UnityEditor.SceneManagement;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

namespace UnityEditor.UI
{
    [CustomEditor(typeof(UXToggle), true)]
    [CanEditMultipleObjects]
    internal class UXToggleEditor : UXSelectableEditor
    {
        SerializedProperty m_OnValueChangedProperty;
        SerializedProperty m_TransitionProperty;
        SerializedProperty m_GraphicProperty;
        SerializedProperty m_GroupProperty;
        SerializedProperty m_IsOnProperty;

        private SerializedProperty hoverAudioClip;
        private SerializedProperty clickAudioClip;

        protected override void OnEnable()
        {
            base.OnEnable();

            m_TransitionProperty = serializedObject.FindProperty("toggleTransition");
            m_GraphicProperty = serializedObject.FindProperty("graphic");
            m_GroupProperty = serializedObject.FindProperty("m_Group");
            m_IsOnProperty = serializedObject.FindProperty("m_IsOn");
            m_OnValueChangedProperty = serializedObject.FindProperty("onValueChanged");

            hoverAudioClip = serializedObject.FindProperty("hoverAudioClip");
            clickAudioClip = serializedObject.FindProperty("clickAudioClip");

            _tabs.AppendToTab("Image", DrawImageTab);
            _tabs.RegisterTab("Sound", "d_AudioSource Icon", DrawSoundTab);
            _tabs.RegisterTab("Event", "EventTrigger Icon", DrawEventTab);
        }

        protected override void OnDisable()
        {
            base.OnDisable();
            _tabs.UnregisterTab("Sound");
            _tabs.UnregisterTab("Event");
        }

        private void DrawEventTab()
        {
            EditorGUILayout.Space();

            serializedObject.Update();
            EditorGUILayout.PropertyField(m_OnValueChangedProperty);

            serializedObject.ApplyModifiedProperties();
        }

        private void DrawSoundTab()
        {
            GUILayoutHelper.DrawProperty(hoverAudioClip, customSkin, "Hover Sound", "Play", () =>
            {
                if (hoverAudioClip.objectReferenceValue != null)
                {
                    PlayAudio((AudioClip)hoverAudioClip.objectReferenceValue);
                }
            });
            GUILayoutHelper.DrawProperty(clickAudioClip, customSkin, "Click Sound", "Play", () =>
            {
                if (clickAudioClip.objectReferenceValue != null)
                {
                    PlayAudio((AudioClip)clickAudioClip.objectReferenceValue);
                }
            });
        }

        private void PlayAudio(AudioClip clip)
        {
            if (clip != null)
            {
                ExtensionHelper.PreviewAudioClip(clip);
            }
        }

        private void DrawImageTab()
        {
            EditorGUILayout.Space();

            serializedObject.Update();
            UXToggle toggle = serializedObject.targetObject as UXToggle;
            EditorGUI.BeginChangeCheck();
            GUILayoutHelper.DrawProperty(m_IsOnProperty, customSkin, "Is On");
            if (EditorGUI.EndChangeCheck())
            {
                if (!Application.isPlaying)
                    EditorSceneManager.MarkSceneDirty(toggle.gameObject.scene);

                UXGroup group = m_GroupProperty.objectReferenceValue as UXGroup;

                bool newIsOn = m_IsOnProperty.boolValue;
                bool oldIsOn = toggle.isOn;

                // 编辑器下：如果属于某组且不允许 all-off，且当前正是被选中的项，则禁止通过 Inspector 将其关闭
                if (!Application.isPlaying && group != null && !group.allowSwitchOff && oldIsOn && !newIsOn)
                {
                    Debug.LogWarning($"Cannot turn off toggle '{toggle.name}' because its group '{group.name}' does not allow all toggles to be off.", toggle);
                    // 恢复 Inspector 中的显示为 true
                    m_IsOnProperty.boolValue = true;
                    serializedObject.ApplyModifiedProperties();
                }
                else
                {
                    // 使用属性赋值以保证视觉刷新（PlayEffect 会在 setter 被调用）
                    toggle.isOn = newIsOn;

                    if (group != null && group.isActiveAndEnabled && toggle.IsActive())
                    {
                        if (toggle.isOn || (!group.AnyTogglesOn() && !group.allowSwitchOff))
                        {
                            toggle.isOn = true;
                            group.NotifyToggleOn(toggle);
                        }
                    }
                }
            }

            GUILayoutHelper.DrawProperty(m_TransitionProperty, customSkin, "Transition");
            GUILayoutHelper.DrawProperty(m_GraphicProperty, customSkin, "Graphic");
            EditorGUI.BeginChangeCheck();
            GUILayoutHelper.DrawProperty<UXGroup>(m_GroupProperty, customSkin, "UXGroup", (oldValue, newValue) =>
            {
                UXToggle self = target as UXToggle;
                if (oldValue != null)
                {
                    oldValue.UnregisterToggle(self);
                }

                if (newValue != null)
                {
                    newValue.RegisterToggle(self);
                }
            });

            if (EditorGUI.EndChangeCheck())
            {
                if (!Application.isPlaying)
                    EditorSceneManager.MarkSceneDirty(toggle.gameObject.scene);

                UXGroup group = m_GroupProperty.objectReferenceValue as UXGroup;

                // Use the property setter to ensure consistent registration/unregistration
                toggle.group = group;
            }

            EditorGUILayout.Space();

            serializedObject.ApplyModifiedProperties();
        }
    }
}