using System.Linq;
using ChocDino.UIFX;
using Cielonos.MainGame.Inventory;
using DG.Tweening;
using SLSUtilities.UI;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace Cielonos.MainGame.UI
{
    public class SupportEquipmentIcon : UIElementBase
    {
        public SupportEquipmentBase supportEquipment;
        public Image frame;
        public Image iconImage;
        public Image timerImage;
        public TMP_Text timerText;
        public TMP_Text costText;
        
        private RuntimeFunctionUnit _functionUnit;
        private Sequence _frameOutlineSequence;
        
        public void Initialize(SupportEquipmentBase supportEquipment)
        {
            if (supportEquipment == null)
            {
                iconImage.sprite = null;
                _functionUnit = null;
            }
            else
            {
                this.supportEquipment = supportEquipment;
                iconImage.sprite = supportEquipment.contentData.squareIcon;
                
                if (supportEquipment.functionSm != null)
                {
                    int functionCount = supportEquipment.functionSm.functionUnits.Count;
                    
                    if (functionCount == 0)
                    {
                        DisableAllParts();
                    }
                    else if (functionCount == 1)
                    {
                        _functionUnit = supportEquipment.functionSm.mainFunction;
                    }
                    else
                    {
                        //如果有多个功能单元，优先显示主功能单元
                        _functionUnit = supportEquipment.functionSm.mainFunction;
                    }
                    
                    timerImage.gameObject.SetActive(true);
                    timerText.gameObject.SetActive(true);
                    costText.gameObject.SetActive(true);
                    iconImage.color = Color.white;
                    
                    if (_functionUnit.maxCooldown <= 0)
                    {
                        timerImage.gameObject.SetActive(false);
                        timerText.gameObject.SetActive(false);
                    }
            
                    if(_functionUnit.data.energyCost <= 0)
                    {
                        costText.gameObject.SetActive(false);
                    }
                    else
                    {
                        costText.text = Mathf.CeilToInt(_functionUnit.data.energyCost).ToString("D");
                    }
                    
                    if (_functionUnit.data.tags.Contains("Disruption"))
                    {
                        Color newColor = Color.yellow;
                        iconImage.color = newColor;
                        newColor.a = 0.5f;
                        frame.color = newColor;
                    }
                }
                else
                {
                    DisableAllParts();
                }
            }
        }

        public void DisableAllParts()
        {
            iconImage.sprite = null;
            iconImage.color = Color.clear;
            timerImage.gameObject.SetActive(false);
            timerText.gameObject.SetActive(false);
            costText.gameObject.SetActive(false);
        }

        public override void UpdateUI()
        {
            if (_functionUnit == null) return;
            
            if (_functionUnit.maxCooldown <= 0f)
            {
                //无冷却
            }
            else
            {
                float fillAmount = 1f - _functionUnit.currentCooldown / _functionUnit.maxCooldown;
                timerImage.fillAmount = fillAmount;

                if (_functionUnit.currentCooldown > 0f)
                {
                    timerText.text = _functionUnit.currentCooldown.ToString("F1");
                }
                else
                {
                    timerText.text = "";
                }
            }

            if (_functionUnit.data.energyCost > 0)
            {
                float playerCurrentEnergy = MainGameManager.Player.attributeSm[CharacterAttribute.Energy];
                costText.color = playerCurrentEnergy >= _functionUnit.data.energyCost ? Color.cyan : Color.orangeRed;
                costText.text = Mathf.CeilToInt(_functionUnit.data.energyCost).ToString("D");
            }
        }
        
        public void UseOutlineAnimation() => SetFrameOutline(0.4f, Color.white);
        public void CanNotUseOutlineAnimation() => SetFrameOutline(0.4f, Color.red);
        public void NoTargetOutlineAnimation() => SetFrameOutline(0.4f, Color.orange);
        
        public void SetFrameOutline(float totalDuration, Color color = default, float intensity = 2f)
        {
            GetComponent<Canvas>().sortingOrder = 10;
            color = color == default ? Color.white : color;
            Color hdrColor = color * Mathf.Pow(2f, intensity);
            GlowFilter glowFilter = frame.GetComponent<GlowFilter>();
            glowFilter.Color = hdrColor;
            float fadeDuration = Mathf.Clamp(totalDuration / 2f, 0.2f, totalDuration);
            float stayDuration = totalDuration - fadeDuration;
            float strengthPeak = 0.25f;
            _frameOutlineSequence?.Kill(true);
            _frameOutlineSequence = DOTween.Sequence();
            _frameOutlineSequence.Append(DOTween.To(() => glowFilter.Strength, x => glowFilter.Strength = x, strengthPeak, fadeDuration).SetEase(Ease.OutQuad));
            _frameOutlineSequence.AppendInterval(stayDuration);
            _frameOutlineSequence.Append(DOTween.To(() => glowFilter.Strength, x => glowFilter.Strength = x, 0f, fadeDuration).SetEase(Ease.InQuad));
            _frameOutlineSequence.OnComplete(() => GetComponent<Canvas>().sortingOrder = 0);
            _frameOutlineSequence.Play();
        }
    }
}