using System.Collections.Generic;

using log4net;

using ACE.Entity.Enum;
using ACE.Server.Factories.Entity;

namespace ACE.Server.Factories.Tables
{
    public static class MeleeCantrips
    {
        private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        private static readonly List<SpellId> spells = new List<SpellId>()
        {
            SpellId.CANTRIPSTRENGTH1,
            SpellId.CANTRIPENDURANCE1,
            SpellId.CANTRIPCOORDINATION1,
            SpellId.CANTRIPQUICKNESS1,      // added, according to spellSelectionGroup6

            SpellId.CANTRIPBLOODTHIRST1,
            SpellId.CANTRIPHEARTTHIRST1,
            SpellId.CANTRIPDEFENDER1,
            SpellId.CANTRIPSWIFTHUNTER1,

            SpellId.CantripDualWieldAptitude1,
            SpellId.CantripDirtyFightingProwess1,
            SpellId.CantripRecklessnessProwess1,
            SpellId.CantripSneakAttackProwess1,
        };

        private const int NumLevels = 4;

        // original api
        public static readonly SpellId[][] Table = new SpellId[spells.Count][];

        static MeleeCantrips()
        {
            // takes ~0.3ms
            BuildSpells();
        }

        private static void BuildSpells()
        {
            for (var i = 0; i < spells.Count; i++)
                Table[i] = new SpellId[NumLevels];

            for (var i = 0; i < spells.Count; i++)
            {
                var spell = spells[i];

                var spellLevels = SpellLevelProgression.GetSpellLevels(spell);

                if (spellLevels == null)
                {
                    log.Error($"MeleeCantrips - couldn't find {spell}");
                    continue;
                }

                if (spellLevels.Count != NumLevels)
                {
                    log.Error($"MeleeCantrips - expected {NumLevels} levels for {spell}, found {spellLevels.Count}");
                    continue;
                }

                for (var j = 0; j < NumLevels; j++)
                    Table[i][j] = spellLevels[j];
            }
        }

        private static ChanceTable<SpellId> meleeCantrips = new ChanceTable<SpellId>()
        {
            ( SpellId.CANTRIPLIGHTWEAPONSAPTITUDE1, 0.11f ),        // gets mutated into weapon skill aptitude,
                                                                    // with a 10% chance to mutate into dual wield aptitude for heavy/light/finesse
            ( SpellId.CANTRIPBLOODTHIRST1,          0.06f ),
            ( SpellId.CANTRIPDEFENDER1,             0.06f ),
            ( SpellId.CANTRIPHEARTTHIRST1,          0.06f ),

            ( SpellId.CANTRIPSWIFTHUNTER1,          0.05f ),
            ( SpellId.CANTRIPSTRENGTH1,             0.05f ),
            ( SpellId.CANTRIPENDURANCE1,            0.05f ),
            ( SpellId.CANTRIPCOORDINATION1,         0.05f ),
            ( SpellId.CANTRIPQUICKNESS1,            0.05f ),

            ( SpellId.CANTRIPARCANEPROWESS1,        0.04f ),

            ( SpellId.CANTRIPIMPREGNABILITY1,       0.03f ),
            ( SpellId.CANTRIPINVULNERABILITY1,      0.03f ),
            ( SpellId.CANTRIPMAGICRESISTANCE1,      0.03f ),

            ( SpellId.CANTRIPARMOR1,                0.02f ),
            ( SpellId.CantripSummoningProwess1,     0.02f ),

            ( SpellId.CANTRIPALCHEMICALPROWESS1,    0.01f ),
            ( SpellId.CANTRIPARMOREXPERTISE1,       0.01f ),
            ( SpellId.CANTRIPCOOKINGPROWESS1,       0.01f ),
            ( SpellId.CANTRIPDECEPTIONPROWESS1,     0.01f ),
            ( SpellId.CANTRIPFEALTY1,               0.01f ),
            ( SpellId.CANTRIPFLETCHINGPROWESS1,     0.01f ),
            ( SpellId.CANTRIPHEALINGPROWESS1,       0.01f ),
            ( SpellId.CANTRIPITEMEXPERTISE1,        0.01f ),
            ( SpellId.CANTRIPJUMPINGPROWESS1,       0.01f ),
            ( SpellId.CANTRIPLEADERSHIP1,           0.01f ),
            ( SpellId.CANTRIPLOCKPICKPROWESS1,      0.01f ),
            ( SpellId.CANTRIPMAGICITEMEXPERTISE1,   0.01f ),
            ( SpellId.CANTRIPMONSTERATTUNEMENT1,    0.01f ),
            ( SpellId.CANTRIPPERSONATTUNEMENT1,     0.01f ),
            ( SpellId.CANTRIPSPRINT1,               0.01f ),
            ( SpellId.CANTRIPWEAPONEXPERTISE1,      0.01f ),

            ( SpellId.CantripDirtyFightingProwess1, 0.01f ),
            ( SpellId.CantripRecklessnessProwess1,  0.01f ),
            ( SpellId.CantripSalvaging1,            0.01f ),
            ( SpellId.CantripSneakAttackProwess1,   0.01f ),

            ( SpellId.CANTRIPACIDWARD1,             0.01f ),
            ( SpellId.CANTRIPBLUDGEONINGWARD1,      0.01f ),
            ( SpellId.CANTRIPFLAMEWARD1,            0.01f ),
            ( SpellId.CANTRIPFROSTWARD1,            0.01f ),
            ( SpellId.CANTRIPPIERCINGWARD1,         0.01f ),
            ( SpellId.CANTRIPSLASHINGWARD1,         0.01f ),
            ( SpellId.CANTRIPSTORMWARD1,            0.01f ),

            ( SpellId.CANTRIPFOCUS1,                0.01f ),
            ( SpellId.CANTRIPWILLPOWER1,            0.01f ),
        };

        public static SpellId Roll()
        {
            return meleeCantrips.Roll();
        }
    }
}