using Assets.Scripts.Actions;
using Assets.Scripts.Actions.Interfaces;
using UnityEngine;
using UnityEngine.AI;

public class PlayerManager : MonoBehaviour
{
    private enum States { Idle, Walking, Sleeping };
    public Stat money = new Stat("Money", 100.0f);
    public Stat rentAccount = new Stat("Rent Account", 0);
    public Stat food = new Stat("Food Energy", 100);
    public Stat energy = new Stat("Energy", 100);

    // bank
    public Stat bankAccount = new Stat("Bank Account", 0);

    // jobs
    public Stat job = new Stat("Unemployed", 0);

    // Knowledge for University Jobs
    public Stat literatureKnowledge = new Stat("LiteratureKnowledge", 0);
    public Stat mathematicsKnowledge = new Stat("MathematicsKnowledge", 0);
    public Stat computerScienceKnowledge = new Stat("ComputerScienceKnowledge", 0);

    // Knowledge for Factory Jobs
    public Stat electronicsKnowledge = new Stat("ElectronicsKnowledge", 0);
    public Stat roboticsKnowledge = new Stat("RoboticsKnowledge", 0);
    public Stat industrialDesignKnowledge = new Stat("IndustrialDesignKnowledge", 0);

    public Stat careerPoints = new Stat("careerPoints", 0);

    // Achievements - to WIN the game
    public Stat whealthAchievement = new Stat("whealthAchievement", 999999);
    public Stat educationAchievement = new Stat("educationAchievement", 999999);
    public Stat careerAchievement = new Stat("careerAchievement", 999999);
    public Stat happinessAchievement = new Stat("happinessAchievement", 999999);

    // Inventory items
    public Stat freezerItem = new Stat("Freezer Item", 400, 1);
    public Stat clothesItem = new Stat("Clothes Item", 200, 3);
    public Stat booksItem = new Stat("Books Item", 150, 2);
    public Stat tvItem = new Stat("Tv Item", 1500, 1);
    public Stat laptopItem = new Stat("Laptop Item", 3000, 1);

    [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;

    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;
    }
    // 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()
    {
        food.deduct(0.034f); // 48 hours it's 100, 100/2880=~0.034 per minute
        switch (_state)
        {
            case States.Idle:
            case States.Walking:
                energy.deduct(0.1f); // 24 hours it's 100, 100/1440=~0.096 per minute
                break;
            case States.Sleeping:
                energy.increase(1f);
                break;
        }
        if (energy.Value <= 10 && _state != States.Sleeping)
        {
            _state = States.Sleeping;
            allowMovement = false;
            _animator.SetBool("IsSleeping", true);
        }
        if (energy.Value >= 100 && _state == States.Sleeping)
        {
            _state = States.Idle;
            allowMovement = false;
            _animator.SetBool("IsSleeping", false);
        }
    }

    public bool TryBuyAction(BaseAction action)
    {
        if (action is ISellableItem)
        {
            if (!money.deduct(((ISellableItem)action).Price))
                return false;
        }
        action.ApplyAction(this);
        return true;
    }

}