using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerController : MonoBehaviour
{
    Animator animator;
    public Transform endRun;
    public Transform endWalk;
    public Transform man;
    Queue<IEnumerator> queue=new Queue<IEnumerator>();
    bool finishFlag = true;
    private void Awake()
    {
        animator = GetComponentInChildren<Animator>();
    }
    public void WalkAndSquat() {
        EventManager.Instance.emit("StartTip");
        queue.Enqueue(MovePosByWalk(transform, endWalk.position, 2));
        queue.Enqueue(MovePosByRun(transform, endRun.position, 2));
        queue.Enqueue(Squat(transform, man));
        StartCoroutine(StartQueue());
    }

    IEnumerator MovePosByWalk(Transform ts, Vector3 targetPos, float speed) {
        animator.SetBool("Walk", true);
        while (true) {
            yield return new WaitForFixedUpdate();
            Vector3 moveDir = (targetPos - ts.position).normalized;
            ts.position += moveDir * Time.fixedDeltaTime * speed;
            Quaternion targetRotation = Quaternion.LookRotation(targetPos - ts.position);
            ts.rotation = Quaternion.Lerp(ts.rotation, targetRotation, 0.01f);
            if (Vector3.Distance(ts.position, targetPos) <= 0.1) {
                ts.position = targetPos;
                animator.SetBool("Walk", false);
                finishFlag = true;
                yield break;
            }
        }
    }

    IEnumerator MovePosByRun(Transform ts, Vector3 targetPos, float speed)
    {
        animator.SetBool("Run", true);
        while (true)
        {
            yield return new WaitForFixedUpdate();
            Vector3 moveDir = (targetPos - ts.position).normalized;
            ts.position += moveDir * Time.fixedDeltaTime * speed * 1.5f;
            Quaternion targetRotation = Quaternion.LookRotation(targetPos - ts.position);
            ts.rotation = Quaternion.Lerp(ts.rotation, targetRotation, 0.01f);
            if (Vector3.Distance(ts.position, targetPos) <= 0.1)
            {
                ts.position = targetPos;
                animator.SetBool("Run", false);
                finishFlag = true;
                yield break;
            }
        }
    }

    IEnumerator Squat(Transform my, Transform ts) {
        transform.position = new Vector3(-46.55f, 1.560401f, 126.989f);
        transform.localEulerAngles = new Vector3(0,270,0);
        animator.SetTrigger("Squat");
        Invoke("E_OpenQuestion", 1);
        yield return null;
    }

    void E_OpenQuestion(){
        EventManager.Instance.emit("Question");
        Level1Manager.Instance.AddOperate(Level1Const.operate1Info);
    }
    bool Finish() {
        return finishFlag;
    }

    IEnumerator StartQueue() {
        while (true) { 
            yield return new WaitUntil(Finish);
            if (queue.Count != 0)
            {
                StartCoroutine(queue.Dequeue());
                finishFlag = false;
                yield return null;
            }
            else {
                yield break;
            }
            
        }    
    }
}