using System;
using UnityEngine;
using UnityEngine.UI;

using System.Text;
using System.Collections;
using System.Collections.Generic;

public class InfoBoxManager : Regist
{
    public class InfoBox
    {
        public class InfoText
        {
            public float LiveTimer;
            public Text Text;
        }

        #region Config

        public int MaxTextCount;
        public bool Lock;
        public bool ReverseDirection;
        public float DisplayTime;
        public float DisplayTimer;
        public string InfoItemName;
        public List<InfoText> TextList = new List<InfoText>();

        public ObjType ObjType;
        public Transform Grid;
        public CanvasGroup CanvasGroup;
        public VerticalLayoutGroup VerticalLayoutGroup;

        #endregion

        public InfoBox(int maxTextCount, float displayTime, string infoItemName, bool reverseDirection, ObjType objType, Transform grid)
        {
            Grid = grid;
            ReverseDirection = reverseDirection;
            ObjType = objType;
            DisplayTime = displayTime;
            MaxTextCount = maxTextCount;
            InfoItemName = infoItemName;
            CanvasGroup = Grid.GetComponent<CanvasGroup>();
            VerticalLayoutGroup = Grid.GetComponent<VerticalLayoutGroup>();
        }

        public void Update()
        {
            DisplayTimer -= Time.deltaTime;

            if (DisplayTimer <= 0 && Lock)
            {
                Lock = false;

                if (CanvasGroup != null)
                    CanvasGroup.TweenBacCG();
            }


            for (int i = 0; i < TextList.Count; i++)
            {
                InfoText infoText = TextList[i];

                if (infoText.LiveTimer == Mathf.Infinity)
                {
                    continue;
                }

                infoText.LiveTimer -= Time.deltaTime;

                if (infoText.LiveTimer < 0)
                {
                    infoText.Text.TweenBacGra();

                    TextList.RemoveAt(i--);
                }
            }
        }

        public void Display(string str, float time, Color color, Sprite atlas)
        {
            if (CanvasGroup != null)
                CanvasGroup.TweenForCG();

            if (TextList.Count == MaxTextCount)
            {
                ResourceManager.Save(TextList[0].Text);

                TextList.RemoveAt(0);
            }


            TextPlus text = ResourceManager.GetInfoItem(InfoItemName, Grid, ObjType);
            text.ImagePlus.sprite = atlas;
            text.SetParent(Grid);

            if (ReverseDirection)
            {
                text.rectTransform.SetAsLastSibling();
            }
            else
            {
                text.rectTransform.SetAsFirstSibling();
            }

            if (VerticalLayoutGroup != null)
            {
                Auxiliary.Instance.DelayCall
                (
                    () =>
                    {
                        LayoutRebuilder.MarkLayoutForRebuild(VerticalLayoutGroup.GetComponent<RectTransform>());
                    },
                    1
                );
            }

            InfoText infoText = new InfoText();

            text.text = str;
            text.SetAlpha(1);
            text.color = color;

            infoText.LiveTimer = DisplayTime;

            infoText.Text = text;

            TextList.Add(infoText);


            Lock = true;
            DisplayTimer = time;
        }
    }

    #region Config

    private const int MaxGardenInfoItemCount = 4;
    private const int MaxPlazaRoomItemCount = 300;

    public static float GardenInfoBoxDisplayTime = 45f;
    public static float PlazaRoomInfoBoxDisplayTime = Mathf.Infinity;

    public static InfoBox GardenInfoBox;
    public static InfoBox PlazaRoomInfoBox;

    #endregion

    public override void FirstInit()
    {
        GardenInfoBox = new InfoBox(MaxGardenInfoItemCount, GardenInfoBoxDisplayTime, ResourceLabel.GardenInfoItem, true, ObjType.GardenInfoItem,  ResourceManager.Get(CanvasLabel.C_Info));
        PlazaRoomInfoBox = new InfoBox(MaxPlazaRoomItemCount, PlazaRoomInfoBoxDisplayTime, ResourceLabel.PlazaInfoItem, true, ObjType.PlazaroomInfoItem, ResourceManager.Get(CanvasLabel.X_Info));
    }

    public void Update()
    {
        GardenInfoBox.Update();
        PlazaRoomInfoBox.Update();
    }
}