using System.Collections.Generic;

namespace Game
{
    public class FactionBuffManager
    {
        private Dictionary<string, Buff> activeBuffs; // 激活的buff列表

        public FactionBuffManager()
        {
            activeBuffs = new Dictionary<string, Buff>();
        }

        // 处理职业或种族buff的激活
        public void CheckBuffs(List<Character> characters)
        {
            Dictionary<string, int> countByFaction = new Dictionary<string, int>();

            // 统计每个职业/种族的数量
            foreach (var character in characters)
            {
                foreach (var faction in character.Config.Professions) // 职业/种族
                {
                    if (!countByFaction.ContainsKey(faction))
                    {
                        countByFaction[faction] = 0;
                    }

                    countByFaction[faction]++;
                }
            }

            // 遍历每个职业/种族，查看是否满足Buff的条件
            foreach (var entry in countByFaction)
            {
                string factionName = entry.Key;
                int count = entry.Value;

                // 如果满足Buff条件，就激活Buff
                Buff factionBuff = GetBuffByFaction(factionName, count);
                if (factionBuff != null)
                {
                    if (!activeBuffs.ContainsKey(factionName))
                    {
                        activeBuffs.Add(factionName, factionBuff);
                        ApplyBuffToCharacters(factionBuff, characters);
                    }
                }
                else
                {
                    // 如果该buff不再满足条件，则去除
                    if (activeBuffs.ContainsKey(factionName))
                    {
                        activeBuffs.Remove(factionName);
                        RemoveBuffFromCharacters(factionName, characters);
                    }
                }
            }
        }

        // 根据职业/种族数量获取对应的Buff
        private Buff GetBuffByFaction(string factionName, int count)
        {
            // 你可以根据预设的条件（例如战士类英雄数量达到3个，给全体战士加护甲等）来决定返回哪个Buff
            if (factionName == "战士" && count >= 3)
            {
                return new Buff("战士Buff", "战士增加30%护甲", new List<BuffEffect>
                {
                    new BuffEffect(BuffEffectType.Armor, 0.3f, true)
                });
            }

            return null;
        }

        private void ApplyBuffToCharacters(Buff buff, List<Character> characters)
        {
            foreach (var character in characters)
            {
                // 遍历角色的Factions，如果该角色属于该buff的职业/种族，应用buff
                if (character.Config.Professions.Name.Contains(buff.Name))
                {
                    foreach (var effect in buff.Effects)
                    {
                        ApplyEffectToCharacter(effect, character);
                    }
                }
            }
        }

        private void RemoveBuffFromCharacters(string factionName, List<Character> characters)
        {
            // 遍历角色并移除buff的效果
            foreach (var character in characters)
            {
                if (character.Config.Professions.Name.Contains(factionName))
                {
                    foreach (var effect in activeBuffs[factionName].Effects)
                    {
                        RemoveEffectFromCharacter(effect, character);
                    }
                }
            }
        }

        private void ApplyEffectToCharacter(BuffEffect effect, Character character)
        {
            switch (effect.EffectType)
            {
                case BuffEffectType.AttackDamage:
                    character.OtherAttackDamage +=
                        effect.IsPercentage ? character.OtherAttackDamage * effect.Value : effect.Value;
                    break;
                case BuffEffectType.Armor:
                    character.OtherArmor += effect.IsPercentage ? character.OtherArmor * effect.Value : effect.Value;
                    break;
                // 其他效果的处理逻辑...
            }
        }

        private void RemoveEffectFromCharacter(BuffEffect effect, Character character)
        {
            switch (effect.EffectType)
            {
                case BuffEffectType.AttackDamage:
                    character.OtherAttackDamage -=
                        effect.IsPercentage ? character.OtherAttackDamage * effect.Value : effect.Value;
                    break;
                case BuffEffectType.Armor:
                    character.OtherArmor -= effect.IsPercentage ? character.OtherArmor * effect.Value : effect.Value;
                    break;
                // 其他效果的移除逻辑...
            }
        }
    }
}