using UnityEngine;
using UnityEngine.AI;
using System.Collections;

public class NPCAnimationController : MonoBehaviour
{
    public Transform workPosition;

    public GameObject Cup;
    public GameObject HandCup;


    public Transform toiletTransform;
    public Transform dancePlace;
    public Transform toiletLookAtTransform;// Die Transform-Position der Toilette
    private NavMeshAgent agent;
    private Animator animator;

    public Developer Developer;

    [SerializeField]
    private bool _canTakeNewJob;
    
    private void Awake()
    {
        agent = GetComponent<NavMeshAgent>();
        animator = GetComponent<Animator>();
        HandCup.SetActive(false);
        StartCoroutine(GetToWorkRoutine());
    }
    private IEnumerator GetToWorkRoutine()
    {
        yield return TakeLock();
        
        animator.SetLayerWeight(animator.GetLayerIndex("Typing"), 0);
        animator.SetTrigger("Walk");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("WalkBack"));
        MoveTo(workPosition.position);
        yield return new WaitUntil(() => agent.remainingDistance <= agent.stoppingDistance);
        animator.ResetTrigger("Walk"); // Setze den Lauf-Trigger zur�ck
        animator.SetTrigger("SitDown");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Sit"));
        transform.rotation = workPosition.rotation;
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Typing"), 1, 1f));
        
        ReleaseLock();
    }

    private IEnumerator FadeLayerWeight(int layerIndex, float targetWeight, float duration)
    {
        float time = 0;
        float startWeight = animator.GetLayerWeight(layerIndex);

        while (time < duration)
        {
            animator.SetLayerWeight(layerIndex, Mathf.Lerp(startWeight, targetWeight, time / duration));
            time += Time.deltaTime;
            yield return null;
        }

        animator.SetLayerWeight(layerIndex, targetWeight); // Sicherstellen, dass der Zielwert erreicht wird
    }

    public void DrinkCoffee()
    {
        StartCoroutine(DrinkCoffeeRoutine());
    }

    private IEnumerator TakeLock()
    {
        yield return new WaitUntil(() => _canTakeNewJob);

        _canTakeNewJob = false;
    }

    private void ReleaseLock()
    {
        _canTakeNewJob = true;
    }
    
    private IEnumerator DrinkCoffeeRoutine()
    {
        yield return TakeLock();
        
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Coffee"), 1, 1f)); // 1 Sekunde zum Einblenden
        animator.SetTrigger("DrinkCoffee");
        yield return new WaitForSeconds(1.5f);
        Cup.SetActive(false);
        yield return new WaitForSeconds(1.5f);
        HandCup.SetActive(true);
        yield return new WaitForSeconds(3.5f);
        HandCup.SetActive(false);
       
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Coffee"), 0, 1f)); // 1 Sekunde zum Ausblenden
        animator.ResetTrigger("DrinkCoffee");
        Cup.SetActive(true);

        ReleaseLock();
    }

    public void GoToToilet()
    {
        StartCoroutine(GoToToiletRoutine());
    }

    private IEnumerator GoToToiletRoutine()
    {
        yield return TakeLock();

        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Typing"), 0, 1f));

        while (ToiletManager.Instance.IsOccupied)
        {
            yield return new WaitForSeconds(2);
        }

        ToiletManager.Instance.IsOccupied = true;
        
        // Beginne mit dem Laufen zur Toilette.
        animator.SetTrigger("Walk");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Walk"));
        MoveTo(toiletTransform.position);
        // Warte, bis der Charakter am Ziel angekommen ist.
        yield return new WaitUntil(() => agent.remainingDistance <= agent.stoppingDistance);
        

        // H�rt auf zu laufen und beginnt zu sitzen.
        animator.ResetTrigger("Walk"); // Es ist wichtig, den vorherigen Trigger zur�ckzusetzen
        transform.LookAt(new Vector3(toiletLookAtTransform.position.x, toiletLookAtTransform.position.y, toiletLookAtTransform.position.z));
        animator.SetTrigger("SitDown");
        
        transform.LookAt(new Vector3(toiletLookAtTransform.position.x, toiletLookAtTransform.position.y, toiletLookAtTransform.position.z));
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Ready"));
        
        Developer.Pee(1.0, true);
        
        ToiletManager.Instance.Toilette.Flush();
        
        // Stehe auf und gehe zur�ck zum Ausgangspunkt.
        transform.LookAt(new Vector3(toiletLookAtTransform.position.x, toiletLookAtTransform.position.y, toiletLookAtTransform.position.z));
        animator.ResetTrigger("SitDown"); // Setze den Sitzen-Trigger zur�ck
        
        ToiletManager.Instance.IsOccupied = false;
        
        animator.SetTrigger("Walk");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("WalkBack"));
        MoveTo(workPosition.position);
        yield return new WaitUntil(() => agent.remainingDistance <= agent.stoppingDistance);
        animator.ResetTrigger("Walk"); // Setze den Lauf-Trigger zur�ck
        animator.SetTrigger("SitDown");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Sit"));
        transform.rotation = workPosition.rotation;
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Typing"), 1, 1f));

        ReleaseLock();
    }
    // Hier kannst du entscheiden, ob der Charakter wieder sitzt oder steht.
    // Beispiel: Setze IsSitting oder IsStanding entsprechend.

    public void GettingMad()
    {
        StartCoroutine(GettingMadRoutine());
    }

    private IEnumerator GettingMadRoutine()
    {
        yield return TakeLock();

        animator.SetTrigger("GetMad");
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Coffee"), 1, 2f)); // 1 Sekunde zum Einblenden
        yield return new WaitForSeconds(8f);
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Coffee"), 0, 1f)); // 1 Sekunde zum Ausblenden
        animator.ResetTrigger("GetMad");
        
        ReleaseLock();
    }

    public void CaffeinOverdose()
    {
        StartCoroutine(CaffeinRoutine());
    }

    private IEnumerator CaffeinRoutine()
    {
        yield return TakeLock();

        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Typing"), 0, 1f));
        // Beginne mit dem Laufen zur Toilette.
        animator.SetTrigger("Walk");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Walk"));
        MoveTo(dancePlace.position);
        yield return new WaitUntil(() => agent.remainingDistance <= agent.stoppingDistance);
        animator.ResetTrigger("Walk");
        animator.SetTrigger("TooMuchCaffein");

        yield return new WaitWhile(() => Developer.IsOvercaffeinated);
        
        animator.ResetTrigger("TooMuchCaffein");
        animator.SetTrigger("Walk");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("WalkBack"));
        MoveTo(workPosition.position);
        yield return new WaitUntil(() => agent.remainingDistance <= agent.stoppingDistance);
        transform.rotation = workPosition.rotation;
        animator.ResetTrigger("Walk"); // Setze den Lauf-Trigger zur�ck
        animator.SetTrigger("SitDown");
        yield return new WaitUntil(() => animator.GetCurrentAnimatorStateInfo(0).IsName("Sit"));
        yield return StartCoroutine(FadeLayerWeight(animator.GetLayerIndex("Typing"), 1, 1f));
        
        ReleaseLock();
    }

    private void MoveTo(Vector3 destination)
    {
        agent.destination = destination;
        
    }

    private void Update()
    {
        // Pr�ft, ob der Buchstabe 'C' gedr�ckt wurde
        if (Input.GetKeyDown(KeyCode.C))
        {
            DrinkCoffee();
        }

        // Pr�ft, ob der Buchstabe 'T' gedr�ckt wurde
        if (Input.GetKeyDown(KeyCode.T))
        {
            GoToToilet();
        }

        // Pr�ft, ob der Buchstabe 'M' gedr�ckt wurde
        if (Input.GetKeyDown(KeyCode.M))
        {
            GettingMad();
        }
        // Pr�ft, ob der Buchstabe 'C' gedr�ckt wurde
        if (Input.GetKeyDown(KeyCode.O))
        {
            CaffeinOverdose();
        }
    }
}