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

public class ClockScrolling : MonoBehaviour
{
    public List<TextMeshProUGUI> text_mesh_pros = new List<TextMeshProUGUI>();

    int Current = 0;
    int Last => Current == 0 ? text_mesh_pros.Count - 1 : Current - 1;
    int Next => Current == text_mesh_pros.Count - 1 ? 0 : Current + 1;

    float timer;
    bool hide_scrolling;

    void Update()
    {
#if UNITY_EDITOR
        if (Input.GetKeyDown(KeyCode.LeftArrow))
        {
            ScrollingUp();
        }
        if (Input.GetKeyDown(KeyCode.RightArrow))
        {
            ScrollingDown();
        }
#endif
        timer += Time.deltaTime;
        if (timer >= 3)
        {
            if (!hide_scrolling)
            {
                hide_scrolling = true;
                next_color_tween = text_mesh_pros[Next].DOColor(new Color(1, 1, 1, 0f), 1f);
                last_color_tween = text_mesh_pros[Last].DOColor(new Color(1, 1, 1, 0f), 1f);
            }
        }

    }
    TweenerCore<Color, Color, DG.Tweening.Plugins.Options.ColorOptions> next_color_tween;
    TweenerCore<Color, Color, DG.Tweening.Plugins.Options.ColorOptions> last_color_tween;

    public void ScrollingUp()
    {
        //终止
        if (hide_scrolling)
        {
            if (next_color_tween.IsPlaying())
            {
                next_color_tween.Kill();
            }
            if (last_color_tween.IsPlaying())
            {
                last_color_tween.Kill();
            }
        }

        Current = Next;

        text_mesh_pros[Current].rectTransform.DOAnchorPos(Vector2.zero, 0.25f);
        DOTween.To(() => text_mesh_pros[Current].fontSize, (_v) => text_mesh_pros[Current].fontSize = _v, 26, 0.25f);
        text_mesh_pros[Current].DOColor(Color.white, 0.25f);

        text_mesh_pros[Next].rectTransform.DOAnchorPos(new Vector2(0, -25), 0.25f);
        DOTween.To(() => text_mesh_pros[Next].fontSize, (_v) => text_mesh_pros[Next].fontSize = _v, 21, 0.25f);
        text_mesh_pros[Next].DOColor(new Color(1, 1, 1, 0.5f), 0.25f);

        text_mesh_pros[Last].rectTransform.DOAnchorPos(new Vector2(0, 25), 0.25f);
        DOTween.To(() => text_mesh_pros[Last].fontSize, (_v) => text_mesh_pros[Last].fontSize = _v, 21, 0.25f);
        text_mesh_pros[Last].DOColor(new Color(1, 1, 1, 0.5f), 0.25f);

        timer = 0;
        hide_scrolling = false;
    }

    public void ScrollingDown()
    {
        //终止
        if (hide_scrolling)
        {
            if (next_color_tween.IsPlaying())
            {
                next_color_tween.Kill();
            }
            if (last_color_tween.IsPlaying())
            {
                last_color_tween.Kill();
            }
        }

        Current = Last;

        text_mesh_pros[Current].rectTransform.DOAnchorPos(Vector2.zero, 0.25f);
        DOTween.To(() => text_mesh_pros[Current].fontSize, (_v) => text_mesh_pros[Current].fontSize = _v, 26, 0.25f);
        text_mesh_pros[Current].DOColor(Color.white, 0.25f);

        text_mesh_pros[Next].rectTransform.DOAnchorPos(new Vector2(0, -25), 0.25f);
        DOTween.To(() => text_mesh_pros[Next].fontSize, (_v) => text_mesh_pros[Next].fontSize = _v, 21, 0.25f);
        text_mesh_pros[Next].DOColor(new Color(1, 1, 1, 0.5f), 0.25f);

        text_mesh_pros[Last].rectTransform.DOAnchorPos(new Vector2(0, 25), 0.25f);
        DOTween.To(() => text_mesh_pros[Last].fontSize, (_v) => text_mesh_pros[Last].fontSize = _v, 21, 0.25f);
        text_mesh_pros[Last].DOColor(new Color(1, 1, 1, 0.5f), 0.25f);

        timer = 0;
        hide_scrolling = false;
    }

    public void SetNextText(string _text)
    {
        //if (_text == "深圳市民中心")
        //{
        //    text_mesh_pros[Next].text = "广场1";
        //}
        //else if (_text == "西丽湖校区")
        //{
        //    text_mesh_pros[Next].text = "广场2";
        //}
        //else
        {
            text_mesh_pros[Next].text = _text;
        }
    }

    public string SetCurrentText(string _text)
    {
        //if (_text == "深圳市民中心")
        //{
        //    text_mesh_pros[Current].text = "广场1";
        //}
        //else if (_text == "西丽湖校区")
        //{
        //    text_mesh_pros[Current].text = "广场2";
        //}
        //else
        {
            text_mesh_pros[Current].text = _text;
        }
        return _text;
    }
    public void SetLastText(string _text)
    {
        //if (_text == "深圳市民中心")
        //{
        //    text_mesh_pros[Last].text = "广场1";
        //}
        //else if (_text == "西丽湖校区")
        //{
        //    text_mesh_pros[Last].text = "广场2";
        //}
        //else
        {
            text_mesh_pros[Last].text = _text;
        }
    }
}