using Cielonos.MainGame;
using Cielonos.MainGame.Buffs;
using Cielonos.MainGame.Buffs.Character;
using Cielonos.MainGame.Characters;
using SLSUtilities.General;
using SLSUtilities.UI;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;

namespace Cielonos.MainGame.UI
{
    public class BossInfoUnit : UIElementBase
    {
        public CharacterBase boss;
        public TMP_Text nameText;
        public RectTransform barContainer;
        public BossHealthBar healthBar;
        [FormerlySerializedAs("armorBar")] public BossStanceBar stanceBar;
        public BossEnergyBar energyBar;

        [Header("Colors")]
        public Color normalStanceColor = new Color(1f, 0.78f, 0.58f);
        public Color paralyzedStanceColor = new Color(1f, 0.3f, 0.3f);

        public void Initialize(CharacterBase character)
        {
            boss = character;
            nameText.text = "Nexus Crab"; //TODO: 后续改为读取角色名称

            // Subscribe to character attribute events
            boss.eventSm.onHealthChanged.InsertByPriority("BossInfoUI_UpdateHealth", new PrioritizedAction<float>(_ => UpdateHealth(false)));
            boss.eventSm.onEnergyChanged.InsertByPriority("BossInfoUI_UpdateEnergy", new PrioritizedAction<float>(_ => UpdateEnergy(false)));
            boss.eventSm.onStanceChanged.InsertByPriority("BossInfoUI_UpdateStance", new PrioritizedAction<float>(_ => UpdateStance(false)));

            UpdateHealth(true);
            UpdateStance(true);
            UpdateEnergy(true);
        }

        private void OnDestroy()
        {
            if (boss != null && boss.eventSm != null)
            {
                boss.eventSm.onHealthChanged.Remove("BossInfoUI_UpdateHealth");
                boss.eventSm.onEnergyChanged.Remove("BossInfoUI_UpdateEnergy");
                boss.eventSm.onStanceChanged.Remove("BossInfoUI_UpdateStance");
            }
        }
        
        public void UpdateHealth(bool isInstant = false)
        {
            float currentHealth = boss.attributeSm[CharacterAttribute.Health];
            float maximumHealth = boss.attributeSm[CharacterAttribute.MaximumHealth];
            float ratio = currentHealth / maximumHealth;
            Color fillColor = healthBar.GetTargetColor(ratio);
            healthBar.UpdateFillImage(currentHealth, maximumHealth);
            //healthBar.UpdateFillColor(fillColor, isInstant);
            if(!isInstant) healthBar.Blink(Color.white);
        }
        
        public void UpdateStance(bool isInstant = false)
        {
            if (stanceBar == null) return;
            if (!boss.attributeSm.Has(CharacterAttribute.MaximumStance) || boss.attributeSm[CharacterAttribute.MaximumStance] <= 0)
            {
                if (stanceBar.gameObject.activeSelf) stanceBar.gameObject.SetActive(false);
                return;
            }
            if (!stanceBar.gameObject.activeSelf) stanceBar.gameObject.SetActive(true);

            if (boss.buffSm.TryGetBuff(out ElectronicParalysis buff) && buff.independentStackSubmodule.totalStackAmount > 0)
            {
                float remainingTime = buff.independentStackSubmodule.LongestUnit.remainingTime;
                float maximumTime = buff.independentStackSubmodule.LongestUnit.duration;
                stanceBar.UpdateFillColor(paralyzedStanceColor, true);
                float elapsed = maximumTime - remainingTime;
                stanceBar.UpdateFillImage(elapsed, maximumTime);
            }
            else
            {
                float currentStance = boss.attributeSm[CharacterAttribute.Stance];
                float maximumStance = boss.attributeSm[CharacterAttribute.MaximumStance];
                stanceBar.UpdateFillColor(normalStanceColor, true);
                stanceBar.UpdateFillImage(currentStance, maximumStance);
            }
        }

        public void UpdateEnergy(bool isInstant = false)
        {
            float currentEnergy = boss.attributeSm[CharacterAttribute.Energy];
            float maximumEnergy = boss.attributeSm[CharacterAttribute.MaximumEnergy];
            energyBar.UpdateFillImage(currentEnergy, maximumEnergy);
            if(!isInstant) energyBar.Blink(Color.white);
        }
    }
}