using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices.WindowsRuntime;
using Unity.VisualScripting;
using UnityEngine;

public class Treadmill : MonoBehaviour
{
    //public Rigidbody m_Body;
    public float m_HoldSpeed;

    private float m_CurrentForce = 0f;

    private float m_angleOffset;

    private bool m_RampActive;

    public float m_RampTimer;

    public float m_RampIncrement;

    public float m_HoldSpeedTimer;

    public Material m_Belt;

    private float m_BeltSpeed;

    private void OnEnable()
    {
        OnChairContact.ApplyTreadmillForce += ApplyForce;
        OnChairContact.RemoveTreadmillForce += RemoveForce;
        m_angleOffset = 16.6f;
    }

    private void OnDisable()
    {
        OnChairContact.ApplyTreadmillForce -= ApplyForce;
        OnChairContact.RemoveTreadmillForce -= RemoveForce;
    }

    public void ApplyForce(Rigidbody rb)
    {
        Vector3 forceDirection = Quaternion.Euler(0, -m_angleOffset, 0) * Vector3.forward;


        if (!m_RampActive && m_RampTimer > 0f)
        {
            m_RampTimer -= Time.deltaTime;
        }
        else
        {
            m_RampActive = true;
        }

        if (m_RampActive)
        {

            if (m_CurrentForce > m_HoldSpeed && m_HoldSpeedTimer >= 0)
            {
                m_HoldSpeedTimer -= Time.deltaTime;
            }
            else
            {
                m_CurrentForce += Time.deltaTime * m_RampIncrement;
            }

            rb.AddForce(forceDirection * m_CurrentForce);



           
        }

    }

    public void RemoveForce(Rigidbody rb)
    {
        rb.AddForce(new Vector3(0, 0, 0));
    }

    private void OnDrawGizmosSelected()
    {
        // Draw a line representing the force direction
        Gizmos.color = Color.red;
        Gizmos.DrawRay(transform.position, Quaternion.Euler(0, -m_angleOffset, 0) * Vector3.forward);
    }

    private void FixedUpdate()
    {
        m_BeltSpeed += Map(m_CurrentForce, 0, 600, 0, 0.01f);

        m_Belt.SetFloat("_Speed", -m_BeltSpeed);
    }

    private float Map(float s, float a1, float a2, float b1, float b2)
    {
        return b1 + (s - a1) * (b2 - b1) / (a2 - a1);
    }
}