using ObjectScripts;
using Status;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Valve.VR;
using Valve.VR.Extras;
using Valve.VR.InteractionSystem;

public class InputHandling : MonoBehaviour
{
    public SteamVR_Action_Boolean TimeSpeedUp = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "TimeSpeedUp");
    public SteamVR_Action_Boolean TimeSpeedDown = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "TimeSpeedDown");
    public SteamVR_Action_Boolean LODUp = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "LODUp");
    public SteamVR_Action_Boolean LODDown = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "LODDown");
    public SteamVR_Action_Boolean PlayPause = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "PlayPause");
    public SteamVR_Action_Boolean TimeReverse = SteamVR_Input.GetAction<SteamVR_Action_Boolean>("CMController", "ReverseTime");

    [SerializeField]
    [Tooltip("Object holding the Manager Script")]
    GameObject ManagerObject;

    [SerializeField]
    [Tooltip("Object holding the Details Script")]
    GameObject DetailsObject;

    [SerializeField]
    [Tooltip("Assign Handheld Canvases like 0 = Play, 1 = Stop, 2 = VelocityText")]
    GameObject[] Buttons;

    private Interactable Interactable;
    private ManagerWithProzessor Manager;
    private DetailsLevel Details;
    private float lastState;
    // Start is called before the first frame update
    void Start()
    {
        Manager = ManagerObject.GetComponent<ManagerWithProzessor>();
        Interactable = GetComponent<Interactable>();
        Details = DetailsObject.GetComponent<DetailsLevel>();
        lastState = 0;
    }

    // Update is called once per frame
    void Update()
    {
        if (Interactable.attachedToHand)
        {
            // Lokales Are good!
            SteamVR_Input_Sources hand = Interactable.attachedToHand.handType;
            bool TSU = TimeSpeedUp.GetStateDown(hand);
            bool TSD = TimeSpeedDown.GetStateDown(hand);
            bool LU = LODUp.GetStateDown(hand);
            bool LD = LODDown.GetStateDown(hand);
            bool PP = PlayPause.GetStateDown(hand);
            bool TR = TimeReverse.GetStateDown(hand);

            //Change TimeWarp
            if (TSU)
                Manager.PlusPressed();
            if (TSD)
                Manager.MinusPressed();

            // Play/Pause Simulation
            if (PP)
                CyclePP();

            //Cycle LODs
            if (LU)
                Details.CycleStates(1);
            if (LD)
                Details.CycleStates(-1);

            //TimeReverse
            if (TR)
                Manager.ReverseTime();

        }
        // Update one Handheld UI
        float v = (Manager.forward ? 1 : -1) * Manager.GameVelocity;
        if (lastState - v != 0)
        {
            Buttons[2].GetComponent<UnityEngine.UI.Text>().text = "" + v;
            if (Manager.GameVelocity == 0)
            {
                Buttons[1].SetActive(true);
                Buttons[0].SetActive(false);
            }
            else
            {
                Buttons[1].SetActive(false);
                Buttons[0].SetActive(true);
            }
            lastState = v;
        }
    }

    private void CyclePP()
    {
        if (Manager.GameVelocity == 0)
            Manager.PlayPressed();
        else
            Manager.StopPressed();
    }

    public ISteamVR_Action_In_Source[] AvalibleButtons()
    {
        return new ISteamVR_Action_In_Source[] { TimeSpeedUp, TimeSpeedDown, LODUp, LODDown, PlayPause };
    }
}