using System;
using System.IO;
using Microsoft.Xna.Framework;
using StardewValley;

namespace Revitalize.Framework.Environment
{
    /// <summary>Deals with making night time darker in Stardew.</summary>
    public class DarkerNight
    {
        /// <summary>Darkness intensity.</summary>
        public static float IncrediblyDark = 0.9f;

        /// <summary>Darkness intensity.</summary>
        public static float VeryDark = 0.75f;

        /// <summary>Darkness intensity.</summary>
        public static float SomewhatDark = 0.50f;

        /// <summary>The config file.</summary>
        public static DarkerNightConfig Config;

        /// <summary>The calculated night color.</summary>
        private static Color CalculatedColor;

        /// <summary>Initializes the config for DarkerNight.</summary>
        public static void InitializeConfig()
        {
            if (File.Exists(Path.Combine(ModCore.ModHelper.DirectoryPath, "Configs", "DarkerNightConfig.json")))
                Config = ModCore.ModHelper.Data.ReadJsonFile<DarkerNightConfig>(Path.Combine("Configs", "DarkerNightConfig.json"));
            else
            {
                Config = new DarkerNightConfig();
                ModCore.ModHelper.Data.WriteJsonFile<DarkerNightConfig>(Path.Combine("Configs", "DarkerNightConfig.json"), Config);
            }
        }

        /// <summary>Sets the color of darkness at night.</summary>
        public static void SetDarkerColor()
        {
            if (!Config.Enabled || Game1.player?.currentLocation == null)
                return;

            if (Game1.player.currentLocation.IsOutdoors && Game1.timeOfDay >= Game1.getStartingToGetDarkTime())
                Game1.outdoorLight = CalculatedColor;
        }

        /// <summary>Calculates how dark it should be a night.</summary>
        public static void CalculateDarkerNightColor()
        {
            if (!Config.Enabled || Game1.player?.currentLocation == null)
                return;

            //Calculate original lighting.
            if (Game1.timeOfDay >= Game1.getTrulyDarkTime())
            {
                float num = Math.Min(0.93f, (float)(0.75 + ((int)(Game1.timeOfDay - Game1.timeOfDay % 100 + Game1.timeOfDay % 100 / 10 * 16.6599998474121) - Game1.getTrulyDarkTime() + Game1.gameTimeInterval / 7000.0 * 16.6000003814697) * 0.000624999986030161));
                Game1.outdoorLight = (Game1.isRaining ? Game1.ambientLight : Game1.eveningColor) * num;
            }
            else if (Game1.timeOfDay >= Game1.getStartingToGetDarkTime())
            {
                float num = Math.Min(0.93f, (float)(0.300000011920929 + ((int)(Game1.timeOfDay - Game1.timeOfDay % 100 + Game1.timeOfDay % 100 / 10 * 16.6599998474121) - Game1.getStartingToGetDarkTime() + Game1.gameTimeInterval / 7000.0 * 16.6000003814697) * 0.00224999990314245));
                Game1.outdoorLight = (Game1.isRaining ? Game1.ambientLight : Game1.eveningColor) * num;
            }

            ModCore.log("OUT: " + Game1.outdoorLight);

            int red = Game1.outdoorLight.R;

            if (Game1.player.currentLocation.IsOutdoors && Game1.timeOfDay >= Game1.getStartingToGetDarkTime())
            {
                //Game1.ambientLight = Game1.ambientLight.GreyScaleAverage();
                CalculatedColor = Game1.ambientLight * ((red + 30) / 255f) * Config.DarknessIntensity;

                ModCore.log("OUT: " + CalculatedColor);
                ModCore.log("Ambient" + Game1.ambientLight);
            }
        }
    }
}