using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using UnityEngine;
using Sirenix.OdinInspector;

namespace Beyond
{
    public class FloatingObject : MonoBehaviour
    {
        [TitleGroup("Vertical Movement")]
        [SerializeField] private float m_height = 1f;
        [SerializeField] private float m_time = 1f;
        [SerializeField] private float m_amplitude = 0.2f;
        [SerializeField] private float m_frequency = 1f;

       // [SerializeField] private bool m_randomizeOnStart = true;

        [TitleGroup("X Axis Rotation")]
        [SerializeField] private float m_xRotationSpeed;
        
        [TitleGroup("Y Axis Rotation")]
        [SerializeField] private float m_yRotationSpeed;

        [TitleGroup("Z Axis Rotation")] 
        [SerializeField] private float m_zRotationSpeed;

        enum State
        {
            IDLE,
            GOING_UP,
            FLOATING,
            GOING_DOWN
        };

        Vector3 m_startPos;
        Vector3 m_tmpPos;
        State m_state;
        float m_timer = 0f;
        float m_speed;

        bool m_isActive;
        

        // Start is called before the first frame update
        void Start()
        {
            m_startPos = transform.position;
            m_frequency *= Random.Range(0.9f, 1.1f);
            m_height *= Random.Range(0.9f, 1.1f);
            m_time *= Random.Range(0.9f, 1.1f);
            
            m_speed = m_height / m_time;
            m_isActive = false;
            SetState(State.GOING_UP);
            //if (m_randomizeOnStart)
              //  RandomPos();
        }

        void SetState(State s)
        {
            switch (s)
            {
                case State.IDLE:
                    //enabled = false;
                    break;
                case State.GOING_UP:
                    break;
                case State.GOING_DOWN:
                    break;
                case State.FLOATING:
                    m_tmpPos = transform.position;
                    break;
            }

            m_timer = 0f;
            m_state = s;
        }

        public void RandomPos()
        {
            var pos = transform.position; 
            pos.y = m_tmpPos.y + Mathf.Sin(Random.Range(0f, 1000f) * m_frequency) * m_amplitude;
            transform.position = pos;
        }
        
        public void OnStart()
        {
            if (!m_isActive)
            {
                m_isActive = true;
                SetState(State.GOING_UP);
                enabled = true;
            }
            
            
            
        }

        public void OnEnd()
        {
            if (m_isActive)
            {
                SetState(State.GOING_DOWN);
                m_isActive = false;
            }
        }

        // Update is called once per frame
        void Update()
        {
            var pos = transform.position;
            Vector3 newPos = pos;
            float diff = transform.position.y - m_startPos.y;

            switch (m_state)
            {
                case State.IDLE:
                    break;
                case State.GOING_UP:
                    if (diff > m_height)
                    {
                        newPos.y = m_startPos.y + m_height;
                        SetState(State.FLOATING);
                    }
                    else
                    {
                        newPos.y += m_speed * Time.deltaTime;
                        transform.position = newPos;
                    }

                    break;
                case State.GOING_DOWN:
                    if (diff < 0f)
                    {
                        newPos.y = m_startPos.y;
                        transform.position = newPos;
                        SetState(State.IDLE);
                    }
                    else
                    {
                        newPos.y -= m_speed * Time.deltaTime;
                        transform.position = newPos;
                    }

                    break;
                case State.FLOATING:
                    newPos.y = m_tmpPos.y + Mathf.Sin(m_timer * m_frequency) * m_amplitude;
                    transform.position = newPos;
                    break;
            }

            Rotating();
            m_timer += Time.deltaTime;
        }

        private void Rotating()
        {
            transform.Rotate(m_xRotationSpeed * Time.deltaTime, m_yRotationSpeed * Time.deltaTime, m_zRotationSpeed * Time.deltaTime, Space.World);
        }
    }
}