using System.Collections.Generic;
using CoreGame;
using Entitas;

namespace CoreGame.Render
{
    public class RetryActiveAbilitySys : IExecuteSystem
    {
        private readonly IGroup<CombatEntity> m_Group;
        private readonly List<CombatEntity> m_CacheEntities = new();

        public RetryActiveAbilitySys(Contexts contexts)
        {
            m_Group = contexts.combat.GetGroup(CombatMatcher.RetryActiveAbility);
        }


        public void Execute(float deltaTime)
        {
            m_Group.GetEntities(m_CacheEntities);
            if (m_CacheEntities.Count == 0)
                return;
            for (int i = 0; i < m_CacheEntities.Count; i++)
            {
                var entity = m_CacheEntities[i];
                if (entity.isDead)
                    continue;
                var retryActiveAbility = entity.retryActiveAbility;
                if (retryActiveAbility.abilityDataList == null || retryActiveAbility.abilityDataList.Count == 0)
                    continue;
                for (int j = 0; j < retryActiveAbility.abilityDataList.Count; j++)
                {
                    var data = retryActiveAbility.abilityDataList[j];
                    if (data.HasAttach == false)
                    {
                        data.GaSeq = entity.hasAbilitySystem
                            ? entity.abilitySystem.AbilityContainer.GetUniqueAbilitySpecByGaid(data.abilityId)
                            : -1;
                        if (data.GaSeq <= 0)
                        {
                            var ctx = AbilitySrv.AttachActiveAbility(entity, data.abilityId);
                            if (ctx != null)
                            {
                                data.GaSeq = ctx.gaSeq;
                                data.CdAcc = data.cd;
                            }
                        }

                        if (data.GaSeq > 0)
                        {
                            data.HasAttach = true;
                        }
                    }

                    data.CdAcc -= deltaTime;
                    if (data.CdAcc > 0)
                        continue;
                    var tryActivate = entity.abilitySystem.TryActivateAbility_WithSeq(data.GaSeq);
                    if (tryActivate == false)
                    {
                        data.CdAcc = 0f;
                        continue;
                    }

                    data.CdAcc += data.cd;
                }
            }
        }
    }
}