using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;

public class NewUserGuider : MonoBehaviour
{
    [SerializeField] public HollowOutMask hollowOutMask;
    [SerializeField] public RectTransform iconPointerHit;
    [SerializeField] public RectTransform iconPointer;
    [SerializeField] public RectTransform frameTip;
    [NonSerialized] public NewUserGuiderConfig config;
    [NonSerialized] public bool customPreparePass = true;
    [NonSerialized] public bool clickedWillPlayAudioBtn = true;
    private Sequence seq1;
    private Sequence seq2;

    void Start()
    {
        StartCoroutine(ExecuteConfig());
    }

    void OnDestroy()
    {
        if (seq1 != null && seq1.IsActive()) seq1.Kill();
        if (seq2 != null && seq2.IsActive()) seq2.Kill();
        action_OnDestroy?.Invoke();
    }

    void Update()
    {
        action_Update?.Invoke();
    }

    public Action action_Update;
    public Action action_OnDestroy;

    IEnumerator ExecuteConfig()
    {   
        SetCanvasSortOrder(5);

        if (config.delayExecute) {
            //延迟3帧，避免因为目标ui还未初始完成导致获取到的ui信息（位置大小等）不准确
            int waitFrameCount = 0;
            do {
                waitFrameCount++;
                yield return null;    
            } while (waitFrameCount < 3);
        }
        
        customPreparePass = true;
        while (config.onPrepare != null) {
            config.onPrepare?.Invoke(this);
            if (customPreparePass) break;
            else yield return null;
        }

        if (config.hitActive) {
            if (config.hitPosType == 1) {
                iconPointerHit.anchoredPosition = config.hitPos;
            } else {
                iconPointerHit.position = config.hitPos;
            }
        }
        iconPointerHit.gameObject.SetActive(config.hitActive);

        if (config.pointerActive) {
            iconPointer.rotation = iconPointer.rotation * Quaternion.AngleAxis(config.pointerRotZ, Vector3.forward);
            if (config.pointerPosType == 1) {
                iconPointer.anchoredPosition = config.pointerPos;
            } else {
                iconPointer.position = config.pointerPos;
            }
        }
        iconPointer.gameObject.SetActive(config.pointerActive);

        if (seq1 != null && seq1.IsActive()) seq1.Kill();
        if (seq2 != null && seq2.IsActive()) seq2.Kill();
        if (config.hitActive && config.pointerActive) {
            seq1 = DOTween.Sequence();
            Vector3 oldPos = iconPointer.position;
            seq1.AppendInterval(1);
            seq1.Append(iconPointer.DOMove(iconPointerHit.position, 1));
            seq1.Append(iconPointer.DOMove(oldPos, 0.5f));
            seq1.SetLoops(-1);
            seq1.SetUpdate(true);
            seq2 = DOTween.Sequence();
            Vector3 s = iconPointerHit.localScale;
            seq2.Append(iconPointerHit.DOScale(s * 0.8f, 0.5f));
            seq2.Append(iconPointerHit.DOScale(s, 0.5f));
            seq2.SetLoops(-1);
            seq2.SetUpdate(true);
        }

        switch (config.frameTipPivot) {
            case "lt":
                frameTip.pivot = new Vector2(0, 1);
                break;
            case "rt":
                frameTip.pivot = new Vector2(1, 1);
                break;
            case "lb":
                frameTip.pivot = new Vector2(0, 0);
                break;
            case "rb":
                frameTip.pivot = new Vector2(1, 0);
                break;
            case "ct":
                frameTip.pivot = new Vector2(0.5f, 0.5f);
                break;
            case "lc":
                frameTip.pivot = new Vector2(0, 0.5f);
                break;
        }
        if (config.frameTipPosType == 1) {
            frameTip.anchoredPosition = config.frameTipPos;
        } else {
            frameTip.position = config.frameTipPos;
        }

        if (config.frameTipText != null) {
            frameTip.GetComponentInChildren<Text>().text = config.frameTipText;
        }
        else if (config.frameTipTextKey != null) {
            frameTip.Find("Text").gameObject.AddComponent<TextAutoLanguage2>().SetTextKey(config.frameTipTextKey);
        }
        else {
            frameTip.Find("Text").gameObject.AddComponent<TextAutoLanguage2>().SetTextKey("new-user-guider_tip_" + config.key);
        }
        
        frameTip.gameObject.SetActive(true);

        GetMaskClickedEvent().AddListener(OnClick_ToNext);

        config.onStart?.Invoke(this);
    }

    public void OnClick_Skip()
    {
        AudioMgr.ins.PlayBtn();
        Destroy(gameObject);
        NewUserGuiderManager.ins.OnSkip();
    }

    public void OnClick_ToNext()
    {
        if (clickedWillPlayAudioBtn) AudioMgr.ins?.PlayBtn();
        Destroy(gameObject);
        NewUserGuiderManager.ins?.OnClickedDestroyed(config.key);
    }

    public Button.ButtonClickedEvent GetMaskClickedEvent()
    {
        return hollowOutMask.GetComponent<Button>().onClick;
    }

    NewUserGuiderButton _newUserGuiderButton;
    public NewUserGuiderButton GetNewUserGuiderButton() {
        if (_newUserGuiderButton == null) {
            _newUserGuiderButton = hollowOutMask.gameObject.AddComponent<NewUserGuiderButton>();
        }
        return _newUserGuiderButton;
    }

    public void SetIconPointerHitOpacity(float opacity) 
    {
        Image img = iconPointerHit.GetComponent<Image>();
        Color c = img.color;
        c.a = opacity;
        img.color = c;
    }

    public void SetMaskOpacity(float opacity) 
    {
        Color c = hollowOutMask.color;
        c.a = opacity;
        hollowOutMask.color = c;
    }

    public void SetCanvasSortOrder(int sortOrder) {
        transform.GetComponent<Canvas>().sortingOrder = sortOrder;
    }

    public void ActiveBtnSkip(bool value)
    {
        transform.Find("BtnSkip").gameObject.SetActive(value);
    }

    public void FixFrameTipWidth(float width)
    {
        frameTip.GetComponent<ContentSizeFitter>().horizontalFit = ContentSizeFitter.FitMode.Unconstrained;
        Vector2 size = frameTip.sizeDelta;
        size.x = width;
        frameTip.sizeDelta = size;
    }
}