using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CharacterPositionMovementController: Omni.OmniController
{
    [Tooltip("Set to True if you want to use a joystick or WASD for testing instead of the Omni and no HMD. Please uncheck when you do a full build for release.")]
    public bool developerMode = false;

    private float joystickDeadzone = 0.05f;
    private bool rotationCorrected = false;

    [Header("----- Offset Variables -----")]
    public int forwardRotationOffset = 0;

    [Header("-----GameObject References-----")]
    protected CharacterController characterController;

    // Start is called before the first frame update
    void Start()
    {
        if (!Application.isEditor)
        {
            developerMode = false;
        }

        characterController = GetComponent<CharacterController>();
        Setup(developerMode);
    }

    // Update is called once per frame
    void Update()
    {
        if (!developerMode)
        {
            UpdateForOmni();
        }

        if (!rotationCorrected)
        {
            if (omniSetupComponent.IsPresent())
                CorrectSpawnForward();
        }

        UseInputToMovePlayer();
    }

    public virtual void DeveloperModeUpdate()
    {
        CheckInputForMovementTesting();
        GetOmniInputForCharacterMovement(forwardRotationOffset, !developerMode);
    }

    /// <summary>
    /// Checks joystick or WASD for input if in developer mode
    /// </summary>
    void CheckInputForMovementTesting()
    {
        //Get values from joystick or WASD.
        float inputX = Input.GetAxis("Horizontal");
        float inputY = Input.GetAxis("Vertical");

        //Clamp to deadzone
        if (inputY < joystickDeadzone && inputY > 0 || inputY > -joystickDeadzone && inputY < 0)
        {
            inputY = 0;
        }

        if (inputX < joystickDeadzone && inputX > 0 || inputX > -joystickDeadzone && inputX < 0)
        {
            inputX = 0;
        }

        omniDataComponent.hidInput.y = inputY;
        omniDataComponent.hidInput.x = inputX;
    }

    void UseInputToMovePlayer()
    {
        if (omniConnectionComponent.omniFound)
            GetOmniInputForCharacterMovement(forwardRotationOffset, !developerMode);
        else if (developerMode)
            DeveloperModeUpdate();

        if (GetForwardMovement() != Vector3.zero)
            characterController.Move(GetForwardMovement());
        if (GetStrafeMovement() != Vector3.zero)
            characterController.Move(GetStrafeMovement());
    }

    void CorrectSpawnForward()
    {
        rotationCorrected = true;

        Vector3 resultRotation = new Vector3(0.0f, 0.0f, 0.0f);
        Vector3 spawnRotation = transform.rotation.eulerAngles;
        Vector3 cameraRotation = cameraReference.rotation.eulerAngles;

        float spawnRotationYaw = spawnRotation.y;
        float cameraYaw = cameraRotation.y;
        float difference = spawnRotationYaw - cameraYaw;

        resultRotation.y = difference;

        transform.Rotate(resultRotation);
    }
}