using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Terraria.ID;
using Terraria;
using Terraria.IO;
using Terraria.Localization;
using Terraria.ModLoader;
using Terraria.WorldBuilding;
using Continuity.Content.Tiles;

namespace Continuity.Content.Systems
{
    public class WorldGenSystem : ModSystem
    {
        public static LocalizedText CoalGenMessage { get; private set; }

        public override void SetStaticDefaults()
        {
            CoalGenMessage = Language.GetOrRegister(Mod.GetLocalizationKey($"WorldGen.{nameof(CoalGenMessage)}"));
        }

        public override void ModifyWorldGenTasks(List<GenPass> tasks, ref double totalWeight)
        {
            int ShiniesIndex = tasks.FindIndex(genpass => genpass.Name.Equals("Shinies"));
            if (ShiniesIndex != -1)
            {
                tasks.Insert(ShiniesIndex + 1, new CoalGenPass("Adding Coal to the surface layer of the world", 100));
            }
        }
    }

    public class CoalGenPass : GenPass
    {
        public CoalGenPass(string name, float loadWeight) : base(name, loadWeight) { }

        protected override void ApplyPass(GenerationProgress progress, GameConfiguration configuration)
        {
            progress.Message = WorldGenSystem.CoalGenMessage.Value;

            for (int k = 0; k < (int)((Main.maxTilesX * Main.maxTilesY) * 1E-03); k++)
            {
                int x = WorldGen.genRand.Next(0, Main.maxTilesX);
                int y = WorldGen.genRand.Next((int)GenVars.rockLayerHigh, Main.maxTilesY);

			    WorldGen.OreRunner(x, y, 8, 2, (ushort)ModContent.TileType<CoalTile>());
            }
        }
    }

}