using System;
using System.Collections.Generic;
using Cal;
using Cal.DataTable;

namespace ET
{
    public static class ItemHelper
    {
        private static float randomMax;
        const float randomMin = -0.20f;
        public static void GenerateRandomMainAttribute(EquipItem self, Cal.DataTable.EquipBase equipBase, float randomMax)
        {
            ItemHelper.randomMax = randomMax;
            if (equipBase.Hp != 0)
            {
                self.SetMainAttribute(AttributeType.最大生命, GetRandom());
            }
            if (equipBase.Mp != 0)
            {
                self.SetMainAttribute(AttributeType.最大精力, GetRandom());
            }
            if (equipBase.Str != 0)
            {
                self.SetMainAttribute(AttributeType.力量, GetRandom());
            }
            if (equipBase.Quk != 0)
            {
                self.SetMainAttribute(AttributeType.敏捷, GetRandom());
            }
            if (equipBase.Spi != 0)
            {
                self.SetMainAttribute(AttributeType.精神, GetRandom());
            }
            if (equipBase.Wim != 0)
            {
                self.SetMainAttribute(AttributeType.智慧, GetRandom());
            }
            if (equipBase.Phy != 0)
            {
                self.SetMainAttribute(AttributeType.体质, GetRandom());
            }
            if (equipBase.Sta != 0)
            {
                self.SetMainAttribute(AttributeType.耐力, GetRandom());
            }
            if (equipBase.PhyAtk != 0)
            {
                self.SetMainAttribute(AttributeType.物理攻击, GetRandom());
            }
            if (equipBase.SpiAtk != 0)
            {
                self.SetMainAttribute(AttributeType.精神攻击, GetRandom());
            }
            if (equipBase.PhyDef != 0)
            {
                self.SetMainAttribute(AttributeType.物理防御, GetRandom());
            }
            if (equipBase.SpiDef != 0)
            {
                self.SetMainAttribute(AttributeType.精神防御, GetRandom());
            }
            if (equipBase.Pcrir != 0)
            {
                self.SetMainAttribute(AttributeType.物理暴击系数, GetRandom());
            }
            if (equipBase.Mcrir != 0)
            {
                self.SetMainAttribute(AttributeType.精神暴击系数, GetRandom());
            }
            if (equipBase.Pcri != 0)
            {
                self.SetMainAttribute(AttributeType.物理暴击效果, GetRandom());
            }
            if (equipBase.Mcri != 0)
            {
                self.SetMainAttribute(AttributeType.精神暴击效果, GetRandom());
            }
            if (equipBase.Rpcrir != 0)
            {
                self.SetMainAttribute(AttributeType.抗物理暴击系数, GetRandom());
            }
            if (equipBase.Rmcrir != 0)
            {
                self.SetMainAttribute(AttributeType.抗精神暴击系数, GetRandom());
            }
            if (equipBase.Rpcri != 0)
            {
                self.SetMainAttribute(AttributeType.抗物理暴击效果, GetRandom());
            }
            if (equipBase.Rmcri != 0)
            {
                self.SetMainAttribute(AttributeType.抗精神暴击效果, GetRandom());
            }
            if (equipBase.Dvo != 0)
            {
                self.SetMainAttribute(AttributeType.辅助值, GetRandom());
            }
            if (equipBase.Nphyi != 0)
            {
                self.SetMainAttribute(AttributeType.物理免伤, GetRandom());
            }
            if (equipBase.Nmeni != 0)
            {
                self.SetMainAttribute(AttributeType.精神免伤, GetRandom());
            }
        }


        static List<int> qualityWeightList = new() { 0, 1025, 856, 1 };
        public static void GenerateAdditionalAttribute(EquipItem self, int useLevel)
        {
            self.addtionalAttributes.Clear();
            int randCount = 0;
            if (MathHelper.IsHit(0.6f))
                randCount = 1;
            else
            if (MathHelper.IsHit(0.2f))
                randCount = 2;
            for (int i = 0; i < randCount; i++)
            {
                //稀有度
                int quality = MathHelper.GetProbabilityIndexByWeight(qualityWeightList);
                List<int> vidList =EquipAffixConfigCategory.Instance. vidDic[quality];
                if (vidList == null || vidList.Count == 0) continue;
                int vidCount = vidList.Count;
                int vid = vidList[RandomHelper.RandomNumber(0, vidCount)];
                List<int> levelList =EquipAffixConfigCategory.Instance. levelDic[vid];
                if (levelList == null || levelList.Count == 0) continue;
                int level = levelList[levelList.Count-1];
                for (int j = 0; j < levelList.Count; j++)
                {
                    if (useLevel < levelList[j])
                    {
                        if (j == 0) break;
                        level = levelList[j - 1];
                        break;
                    }
                }
                EquipAffixConfig equipAffix = EquipAffixConfigCategory.Instance.Get(vid*100000  + quality*10000+level);
                if (equipAffix == null)
                {
                    Log.Error($"affix == null where vid = {vid} level = {level}");
                    continue;
                }
                self.addtionalAttributes.Add((int)equipAffix.Id);
            }
        }

        public static float GetRandom()
        {
            return GetRandom(randomMax);
        }
        public static float GetRandom(float randomMax)
        {
            float maxRandomMultier = randomMax;
            if (MathHelper.IsHit(0.4f))
            {
                maxRandomMultier -= 0.07f;
            }
            if (MathHelper.IsHit(0.1f))
            {
                maxRandomMultier -= 0.13f;
            }
            return RandomHelper.RandomFloat(randomMin, maxRandomMultier);
        }
    }
}