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

public class WRJ : MonoBehaviour
{
    
    Transform birthpos;
    Animator animator;
    Queue<IEnumerator> queue = new Queue<IEnumerator>();
    bool curQueueend = true;
    int flag = 0;
    public GameObject Water;
    public GameObject Yan;
    public Transform[] area1;
    public Transform[] area2;
    public Transform[] area3;
    public Transform[] area4;

    private void Awake()
    {
        animator = GetComponent<Animator>();
    }
    private void Start()
    {
        birthpos = transform;
    }


    public void SF(int number)
    {
        if (DataCenter.Instance.isStart) return;
        DataCenter.Instance.isStart = true;
        flag = 1;
        if (number == 0)
        {
            queue.Clear();
            queue.Enqueue(move(area1[0].position, 1));
            queue.Enqueue(move(area1[1].position, 2));
            queue.Enqueue(move(area1[2].position, 3));
            queue.Enqueue(move(area1[3].position, 3,true));
            queue.Enqueue(move(area1[2].position, 3,true));
            queue.Enqueue(move(area1[1].position, 2));
            queue.Enqueue(move(area1[0].position, 2));
            queue.Enqueue(move(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 1)
        {
            queue.Clear();
            queue.Enqueue(move(area2[0].position, 1));
            queue.Enqueue(move(area2[1].position, 2));
            queue.Enqueue(move(area2[2].position, 3,true));
            queue.Enqueue(move(area2[1].position, 2,true));
            queue.Enqueue(move(area2[0].position, 2));
            queue.Enqueue(move(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 2)
        {
            queue.Clear();
            queue.Enqueue(move(area3[0].position, 1));
            queue.Enqueue(move(area3[1].position, 2));
            queue.Enqueue(move(area3[2].position, 3, true));
            queue.Enqueue(move(area3[1].position, 2, true));
            queue.Enqueue(move(area3[0].position, 2));
            queue.Enqueue(move(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 3)
        {
            queue.Clear();
            queue.Enqueue(move(area4[0].position, 1));
            queue.Enqueue(move(area4[1].position, 2));
            queue.Enqueue(move(area4[2].position, 3));
            queue.Enqueue(move(area4[3].position, 3, true));
            queue.Enqueue(move(area4[2].position, 3, true));
            queue.Enqueue(move(area4[1].position, 2));
            queue.Enqueue(move(area4[0].position, 2));
            queue.Enqueue(move(birthpos.position, 1));
            StartCoroutine(Begin());
        }
    }

    public void CC(int number)
    {
        if (DataCenter.Instance.isStart) return;
        DataCenter.Instance.isStart = true;
        flag = 2;
        if (number == 0)
        {
            queue.Clear();
            queue.Enqueue(moves(area1[0].position, 1));
            queue.Enqueue(moves(area1[1].position, 2));
            queue.Enqueue(moves(area1[2].position, 3));
            queue.Enqueue(moves(area1[3].position, 3, true));
            queue.Enqueue(moves(area1[2].position, 3, true));
            queue.Enqueue(moves(area1[1].position, 2));
            queue.Enqueue(moves(area1[0].position, 2));
            queue.Enqueue(moves(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 1)
        {
            queue.Clear();
            queue.Enqueue(moves(area2[0].position, 1));
            queue.Enqueue(moves(area2[1].position, 2));
            queue.Enqueue(moves(area2[2].position, 3, true));
            queue.Enqueue(moves(area2[1].position, 2, true));
            queue.Enqueue(moves(area2[0].position, 2));
            queue.Enqueue(moves(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 2)
        {
            queue.Clear();
            queue.Enqueue(moves(area3[0].position, 1));
            queue.Enqueue(moves(area3[1].position, 2));
            queue.Enqueue(moves(area3[2].position, 3, true));
            queue.Enqueue(moves(area3[1].position, 2, true));
            queue.Enqueue(moves(area3[0].position, 2));
            queue.Enqueue(moves(birthpos.position, 1));
            StartCoroutine(Begin());
        }
        else if (number == 3)
        {
            queue.Clear();
            queue.Enqueue(moves(area4[0].position, 1));
            queue.Enqueue(moves(area4[1].position, 2));
            queue.Enqueue(moves(area4[2].position, 3));
            queue.Enqueue(moves(area4[3].position, 3, true));
            queue.Enqueue(moves(area4[2].position, 3, true));
            queue.Enqueue(moves(area4[1].position, 2));
            queue.Enqueue(moves(area4[0].position, 2));
            queue.Enqueue(moves(birthpos.position, 1));
            StartCoroutine(Begin());
        }
    }


    IEnumerator move(Vector3 targetpos, float speed,bool isWater=false)
    {
        curQueueend = false;
        Vector3 dir = targetpos - transform.position;
        if (isWater) Water.SetActive(true); else  Water.SetActive(false); 
        while (true)
        {
            yield return new WaitForEndOfFrame();
            transform.position += dir.normalized * speed * Time.deltaTime;
            if (Vector3.Distance(targetpos, transform.position) <= 0.05f)
            {
                transform.position = targetpos;
                queue.Dequeue();
                curQueueend = true;
                yield break;
            }
        }
    }

    IEnumerator moves(Vector3 targetpos, float speed, bool isWater = false)
    {
        curQueueend = false;
        Vector3 dir = targetpos - transform.position;
        if (isWater) Yan.SetActive(true); else Yan.SetActive(false);
        print(Yan.activeSelf);
        while (true)
        {
            yield return new WaitForEndOfFrame();
            transform.position += dir.normalized * speed * Time.deltaTime;
            if (Vector3.Distance(targetpos, transform.position) <= 0.05f)
            {
                transform.position = targetpos;
                queue.Dequeue();
                curQueueend = true;
                yield break;
            }
        }
    }


    bool check()
    {
        if (curQueueend)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    IEnumerator Begin()
    {
        animator.SetBool("State",true);
        while (queue != null)
        {
            yield return new WaitUntil(check);
            if (queue.Count != 0)
            {
                StartCoroutine(queue.Peek());
            }
            else
            {
                DataCenter.Instance.isStart = false;
                animator.SetBool("State", false);
                if (flag == 1) { TaskManager.Instance.FinishTask(3); }
                if (flag == 2) { TaskManager.Instance.FinishTask(4); }
                flag = 0;
                yield break;
            }
        }
        
    }
}