using UnityEngine;
using GeoSus.Client;
using System;

public class WindController : MonoBehaviour, ITask
{
    [Header("settings větru")]
    [Tooltip("Maximální síla větru (kladná i záporná)")]
    public float maxWindTorque = 8f;

    [Tooltip("Jak rychle se větr mění směrem/sílou")]
    public float windChangeSpeed = 0.6f;

    [Tooltip("Jak často se objeví silnější vichřice (v sekundách)")]
    public float gustInterval = 4f;

    [Tooltip("Multiplier pro sílu vichřice")]

    public float gustMultiplier = 2.0f;

    public float CurrentWindTorque { get; private set; }

    private float targetTorque;
    private float gustTimer;


    private Action<ITask> _onCompleted;
    private Action<ITask> _onExit;

    public string TaskID { get; set; }
    public TaskType TaskType { get; set; }
    public string TaskName { get; set; }
    public (double, double) TaskLocation { get; set; }
    public bool IsCompleted { get; private set; }


    void Start()
    {
        PickNewTargetTorque();
        gustTimer = gustInterval;
    }

    void Update()
    {

        CurrentWindTorque = Mathf.Lerp(CurrentWindTorque, targetTorque, Time.deltaTime * windChangeSpeed);

        gustTimer -= Time.deltaTime;
        if (gustTimer <= 0f)
        {
            float gust = UnityEngine.Random.Range(-maxWindTorque, maxWindTorque) * gustMultiplier;
            targetTorque = Mathf.Clamp(gust, -maxWindTorque * gustMultiplier, maxWindTorque * gustMultiplier);

            gustTimer = gustInterval;
            Invoke(nameof(PickNewTargetTorque), 0.8f);
            // Smoothly move wind toward target torque
            CurrentWindTorque = Mathf.Lerp(CurrentWindTorque, targetTorque, Time.deltaTime * windChangeSpeed);
        }
    }

    private void PickNewTargetTorque()
    {
        targetTorque = UnityEngine.Random.Range(-maxWindTorque, maxWindTorque);
    }



    public void Initialize(Action<ITask> onCompleted)
    {
        _onCompleted = onCompleted;
        IsCompleted = false;
    }

    public void Complete()
    {
        if (IsCompleted) return;

        IsCompleted = true;
        _onCompleted?.Invoke(this);
    }

    public void ExitTask(Action<ITask> onExit)
    {
        _onExit = onExit;
        _onExit?.Invoke(this);
    }
}