using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Object = UnityEngine.Object;
#if UNITY_EDITOR
using UnityEngine.UIElements;
using UnityEditor;
using UnityEditor.UIElements;
using UnityEngine.InputSystem;
#endif
namespace BITKit
{
    public class BITInputSystem
    {
        [RuntimeInitializeOnLoadMethod]
        static void Reload()
        {
            AllowInput = new();
        }
        public static ValidHandle AllowInput = new();
    }
#if UNITY_EDITOR
    public class BITInputSystemEditor : EditorWindow
    {
        private Toggle allowInput;
        private Toggle allowInputLog;
        private InputAction _inputAction;
        private ObjectField inputActionField;

        private Label nameLabel;
        private Label valueLabel;
        [MenuItem("Tools/InputSystemEditor")]
        private static void Open()
        {
            GetWindow<BITInputSystemEditor>().Show();
        }

        private void OnEnable()
        {
            rootVisualElement.style.paddingLeft =
                rootVisualElement.style.paddingTop =
                    rootVisualElement.style.paddingRight =
                        rootVisualElement.style.paddingBottom = 16;
            rootVisualElement.Add(allowInput =new Toggle());
            allowInput.text = "Enable Input";
            allowInput.SetEnabled(false);
            allowInput.style.opacity = 1;
            
            allowInputLog = rootVisualElement.Create<Toggle>();
            allowInputLog.text = "Enable Input Log";

            inputActionField = rootVisualElement.Create<ObjectField>();
            inputActionField.label = "Debug InputAction";

            inputActionField.RegisterValueChangedCallback(NewValue);
            inputActionField.objectType = typeof(InputActionReference);

            var hContainer = rootVisualElement.Create<VisualElement>();
            hContainer.style.flexDirection = FlexDirection.Row;
            nameLabel = hContainer.Create<Label>();
            
            valueLabel = hContainer.Create<Label>();

            valueLabel.style.paddingLeft = 8;

            nameLabel.text = "Wait";
            valueLabel.text ="Input";
        }

        private void OnDisable()
        {
            _inputAction?.Dispose();
        }

        private void NewValue(ChangeEvent<Object> evt)
        {
            _inputAction?.Dispose();
            _inputAction = null;

            if (evt.newValue is not InputActionReference inputActionReference) return;

            _inputAction = inputActionReference.action.Clone();
            
            _inputAction.Enable();
            
            _inputAction.RegisterCallback(x =>
            {
                if (allowInputLog.value)
                {
                    Debug.Log(x);
                }
            });
        }

        private void Update()
        {
            allowInput.value = BITInputSystem.AllowInput;
            if (_inputAction is null)
            {
                nameLabel.text = "Wait";
                valueLabel.text = "Input";
                return;
            }
            var nameBuilder = new System.Text.StringBuilder();
            var valueBuilder = new System.Text.StringBuilder();

            nameBuilder.AppendLine(nameof(InputAction.enabled));
            valueBuilder.AppendLine(_inputAction.enabled.ToString());
            
            nameBuilder.AppendLine(nameof(InputAction.IsPressed));
            valueBuilder.AppendLine(_inputAction.IsPressed().ToString());
            
            nameBuilder.AppendLine(nameof(InputAction.ReadValue));
            valueBuilder.AppendLine(_inputAction.ReadValue<float>().ToString());
            
            nameBuilder.AppendLine(nameof(InputAction.ReadValueAsObject));
            valueBuilder.AppendLine(_inputAction.ReadValueAsObject()?.ToString());
            
            nameBuilder.AppendLine(nameof(InputAction.triggered));
            valueBuilder.AppendLine(_inputAction.triggered.ToString());
            
            nameBuilder.AppendLine(nameof(InputAction.phase));
            valueBuilder.AppendLine(_inputAction.phase.ToString());
            
            nameLabel.text = nameBuilder.ToString();
            valueLabel.text = valueBuilder.ToString();
        }
    }
#endif
}