using System;
using System.Collections.Generic;
using Continentis.MainGame.Character;
using Lean.Pool;
using SLSFramework.General;
using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace Continentis.MainGame.UI
{
    public class HUD_CharacterBuffIcon : HUD_BaseIcon
    {
        public CharacterBuffBase buff;
        
        public Image buffTypeBackground;
        public Sprite positive;
        public Sprite negative;
        public Sprite neutral;
            
        public void Initialize(CharacterBuffBase buff)
        {   
            this.buff = buff;
            buff.iconSubmodule.buffIcon = this;
            
            icon.sprite = buff.iconSubmodule.icon;
            
            UpdateIcon();
        }
        
        public override void UpdateIcon()
        {
            int index;
            List<string> synchronizedParameters = buff.iconSubmodule.synchronizedParameters;
            
            for (index = 0; index < synchronizedParameters.Count; index++)
            {
                string paramKey = synchronizedParameters[index];
                Func<string> func = buff.contentSubmodule.parameterGetters[paramKey];
                SetText(index, func);
            }

            if (index < textList.Count)
            {
                for (int i = index; i < textList.Count; i++)
                {
                    textList[i].gameObject.SetActive(false);
                }
            }

            buffTypeBackground.sprite = buff.buffType switch
            {
                BuffType.Positive => positive,
                BuffType.Negative => negative,
                BuffType.Neutral => neutral,
                _ => buffTypeBackground.sprite
            };
        }
        
        public void RemoveIcon()
        {
            buff.iconSubmodule.buffIcon = null;
            LeanPool.Despawn(gameObject);
        }

        public override void OnPointerEnter(PointerEventData eventData)
        {
            GameObject infoBoxPrefab = MainGameManager.Instance.basePrefabs.informationBox;
            RectTransform canvasTransform = CombatUIManager.Instance.hudPage.rectTransform;
            infoBox = LeanPool.Spawn(infoBoxPrefab, canvasTransform).GetComponent<InformationBox>();
            
            BuffTextInterpreter.InterpretText(buff);
            string dispelThreshold = buff.dispelThreshold switch
            {
                BuffDispelLevel.Basic => "Buff_DispelThreshold_Basic_Suffix",
                BuffDispelLevel.Strong => "Buff_DispelThreshold_Strong_Suffix",
                BuffDispelLevel.Immune => "Buff_DispelThreshold_Immune_Suffix",
                BuffDispelLevel.Undispellable => "Buff_DispelThreshold_Undispellable_Suffix",
                _ => throw new ArgumentOutOfRangeException()
            };
            dispelThreshold = dispelThreshold.Localize();
            
            string finalDescription = buff.contentSubmodule.interpretedFunctionText + "\n" + dispelThreshold;
            infoBox.Initialize(buff.contentSubmodule.displayName, finalDescription, canvasTransform.InverseTransformPoint(rectTransform.position));
        }

        public override void OnPointerExit(PointerEventData eventData)
        {
            if (infoBox != null)
            {
                LeanPool.Despawn(infoBox.gameObject);
                infoBox = null;
            }
        }
    }
}