using UnityEditor;
using UnityEngine;

public class ClickHandler : MonoBehaviour
{
    public ClickHighlight highLight;
    public ModelObjectStatus objStatus;
    public float clickDurationThreshold = 0.2f;
    public float clickDistanceThreshold = 0.5f;
    public float doubleClickThreshold = 0.2f;

    float clickStart = 0;
    Vector3 clickStartPos;
    public enum InputState
    {
        none, objectHandling, pathMaking, 
    }
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            clickStart = Time.time;
            clickStartPos = Input.mousePosition;
        }
        else if (Input.GetMouseButtonDown(1))
        {

        }
        else if (Input.GetMouseButtonUp(0))
        {
            if (Time.time - clickStart > clickDurationThreshold)
                return;

            if (Vector3.Magnitude(Input.mousePosition - clickStartPos) > clickDistanceThreshold)
                return;

            if (UnityEngine.EventSystems.EventSystem.current?.IsPointerOverGameObject() == true)
                return; // UI Ŭ¸¯ÀÌ¸é ¹«½Ã

            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if (Physics.Raycast(ray, out RaycastHit hit))
            {
                if (hit.collider.TryGetComponent<IClickable>(out var clickable))
                {
                    highLight.ShowHighlight((BoxCollider)hit.collider);
                    objStatus.gameObject.SetActive(true); 
                    objStatus.SetStatus(hit.transform.GetComponent<SimulationModel>());
                    RTGController.I.SetGizmoTargetObject(hit.transform.gameObject);
                    clickable.OnClick();
                }
                else
                {
                    highLight.HideHighlight();
                    objStatus.gameObject.SetActive(false);
                    RTGController.I.SetWorkGizmoId(RTGController.GizmoId.None);
                    RTGController.I.ClearGizmoTargetObjects();
                }
                return;
            }
            highLight.HideHighlight();
        }
    }
}