using System;
using System.Linq;
using NUnit.Framework;
using PkmnLibSharp.Battling;
using PkmnLibSharp.Library;
using PkmnLibSharp.Library.GrowthRates;
using PkmnLibSharp.Library.Items;
using PkmnLibSharp.Library.Moves;

namespace PkmnLibSharpTests.Battling
{
    public static class BattleLibraryHelper
    {
        private static BattleLibrary _cache;
        private static readonly object Lock = new object();

        public static BattleLibrary GetLibrary()
        {
            lock (Lock)
            {
                if (_cache != null)
                    return _cache;

                TestContext.WriteLine("Building battle library");
                var scriptLibrary = new AngelScriptResolver();
                _cache = new BattleLibrary(BuildStatic(), new StatCalculator(), new DamageLibrary(),
                    new ExperienceLibrary(), scriptLibrary, new MiscLibrary(GetTime), new CaptureLibrary());
                scriptLibrary.Initialize(_cache);
                return _cache;
            }
        }

        public static TimeOfDay GetTime()
        {
            return TimeOfDay.Morning;
        }

        private static PokemonLibrary BuildStatic()
        {
            var settings = new LibrarySettings(100, 4, 4096);
            var species = new SpeciesLibrary(10);
            var abilities = new AbilityLibrary(10);
            var testAbility1 = new Ability("testAbility1", "", Array.Empty<EffectParameter>());
            var testAbility2 = new Ability("testAbility2", "", Array.Empty<EffectParameter>());
            var testHiddenAbility = new Ability("testHiddenAbility", "", Array.Empty<EffectParameter>());
            abilities.Insert("testAbility1", testAbility1);
            abilities.Insert("testAbility2", testAbility2);
            abilities.Insert("testHiddenAbility", testHiddenAbility);

            species.Insert("testSpecies",
                new Species(1, "testSpecies",
                    new Forme("default", 10f, 10f, 100, new byte[] { 0, 1 }, 100, 100, 100, 100, 100, 100,
                        new[] { testAbility1, testAbility2 }, new[] { testHiddenAbility }, new LearnableMoves(100),
                        new string[0]), 0.5f, "growthRate", 20, 100, new[] { "testEggGroup" }, new string[0]));

            var moves = new MoveLibrary(10);
            moves.Insert("testMove",
                new MoveData("testMove", 0, MoveCategory.Physical, 100, 100, 20, MoveTarget.Any, 0, 0f, "",
                    new EffectParameter[0], new string[0]));
            moves.Insert("testMove2",
                new MoveData("testMove2", 0, MoveCategory.Physical, 100, 100, 20, MoveTarget.Any, 0, 0f, "",
                    new EffectParameter[0], new string[0]));

            var items = new ItemLibrary(10);
            items.Insert("testItem",
                new Item("testItem", ItemCategory.MiscItem, BattleItemCategory.None, 500, "",
                    Array.Empty<EffectParameter>(), "", Array.Empty<EffectParameter>(), Array.Empty<string>(), 20));
            var gr = new GrowthRateLibrary(10);
            gr.AddGrowthRate("growthRate",
                new LookupGrowthRate(Enumerable.Range(1, 100).Select(x => (uint)x * 100).ToArray()));
            var types = new TypeLibrary(10);
            types.RegisterType("normal");
            types.RegisterType("fighting");
            var natures = new NatureLibrary(10);
            natures.LoadNature("testNature", new Nature());

            var lib = new PokemonLibrary(settings, species, moves, items, gr, types, abilities, natures);
            return lib;
        }
    }
}