using System;
using System.Linq;
using System.Collections.Generic;
using BepInEx;
using BepInEx.Configuration;
using HarmonyLib;
using HarmonyLib.Tools;

namespace BanquetForCyka {
    [BepInPlugin(PluginGuid, PluginName, PluginVersion)]
    public class Main : BaseUnityPlugin {
        private const string PluginGuid = "BanquetForCyka";
        private const string PluginName = "BanquetForCyka";
        private const string PluginVersion = "1.0.0";

        public static ConfigEntry<bool> debug;
        public static ConfigEntry<bool> debugXp;
        public static ExpressionConfigEntry xpMultiplier;

        public void Awake() {
            debug = Config.Bind("Debug", "Global Debug", false);
            debugXp = Config.Bind("Debug", "XP Debug", false);

            xpMultiplier =
                new ExpressionConfigEntry(Config, "General", "XP Multiplier", "v*1",
                                          "XP Multiplier expression. Use 'v' to represent the original value.");

            Logger.LogInfo("BanquetForCyka loaded");
            HarmonyFileLog.Enabled = true;
            Harmony harmony = new Harmony(PluginGuid);
            harmony.PatchAll();
            var originalMethods = harmony.GetPatchedMethods();
            Logger.LogInfo("Patched " + originalMethods.Count() + " methods");
        }

        public static void LogDebug(string message, ConfigEntry<bool> debugFlag = null) {
            if (debug.Value || (debugFlag != null && debugFlag.Value))
                Console.WriteLine(message);
        }
    }

    [HarmonyPatch(typeof(Stats), "AddXP")]
    public class Stats_AddXP {
        public static void Prefix(ref int amt) {
            Main.LogDebug("Original XP amount: " + amt, Main.debugXp);
            float result = Main.xpMultiplier.Evaluate(amt);
            amt = (int)result;
            Main.LogDebug("Modified XP amount: " + amt, Main.debugXp);
        }
    }
}