using Assets.Scripts.Actions.Interfaces;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;
using static GameManager;

public class PlayerManager : MonoBehaviour
{
    private enum States { Idle, Walking, Sleeping };


    [SerializeField]
    public NavMeshAgent _navAgent;
    [SerializeField]
    public Animator _animator;
    [SerializeField]
    private Camera _camera;
    [SerializeField]
    public ParticleSystem _targetDest;

    public bool allowMovement = true;
    private States _state;
    private Vector3 _groundDeltaPosition;

    public Dictionary<StatsId, Stat> PlayerStats;
    public IWorkPlace WorkPlace { get; set; }

    private void OnEnable()
    {
        TimeManager.OnMinuteChanged += DecreaseEnergy;
    }

    private void OnDisable()
    {
        TimeManager.OnMinuteChanged -= DecreaseEnergy;
    }
    // Start is called before the first frame update

    void Start()
    {
        allowMovement = true;
        _navAgent.updatePosition = false;
        PlayerStats = GameManager.Instance.PlayerStats;
    }
    // Update is called once per frame
    void Update()
    {
        if (allowMovement)
        {
            if (Input.GetMouseButton(0))
            {
                _targetDest.Stop();
                if (Physics.Raycast(_camera.ScreenPointToRay(Input.mousePosition), out RaycastHit hit, 100))
                {
                    var pos = hit.point;
                    pos.y += 0.2f;
                    _targetDest.transform.position = pos;
                    _navAgent.SetDestination(pos);
                    _targetDest.Play();
                }
            }
        }


        var worldDeltaPosition = _navAgent.nextPosition - transform.position;
        _groundDeltaPosition.x = Vector3.Dot(transform.right, worldDeltaPosition);
        _groundDeltaPosition.y = Vector3.Dot(transform.forward, worldDeltaPosition);

        Vector2 velocity = (Time.deltaTime > 1e-5f) ? _groundDeltaPosition / Time.deltaTime : Vector2.zero;
        var shouldMove = velocity.magnitude > 0.025f && _navAgent.remainingDistance > _navAgent.radius;

        _state = shouldMove ? States.Walking : States.Idle;

        _animator.SetBool("Move", shouldMove);
        _animator.SetFloat("velY", velocity.y);
    }
    private void OnAnimatorMove()
    {
        transform.position = _navAgent.nextPosition;
    }

    public void DecreaseEnergy()
    {
        PlayerStats[StatsId.Food].deduct(0.034m); // 48 hours it's 100, 100/2880=~0.034 per minute
        switch (_state)
        {
            case States.Idle:
            case States.Walking:
                PlayerStats[StatsId.Energy].deduct(0.1m); // 24 hours it's 100, 100/1440=~0.096 per minute
                break;
            case States.Sleeping:
                PlayerStats[StatsId.Energy].increase(1m);
                break;
        }
        if (PlayerStats[StatsId.Energy].Value <= 10 && _state != States.Sleeping)
        {
            _state = States.Sleeping;
            allowMovement = false;
            _animator.SetBool("IsSleeping", true);
        }
        if (PlayerStats[StatsId.Energy].Value >= 100 && _state == States.Sleeping)
        {
            _state = States.Idle;
            allowMovement = false;
            _animator.SetBool("IsSleeping", false);
        }
    }

    public void BuyAction(IPlayerAction action)
    {
        PlayerStats[StatsId.Money].deduct(((ISellable)action).Price);
        action.ApplyAction(this);
    }

}