using System;
using System.Reflection;
using HarmonyLib;

namespace undead_universal_patch.Patches
{
    [HarmonyPatch]
    class BestHTTP_MonoOne_Patch
    {
        static string TargetTypeName = "BestHTTP.EDGFEAGFEKH";
        static string TargetMethodName = "MMOHCNJHBLK";
        static string Description = "2018 BestHTTP request (early) rewrite patch";
        static readonly Type targetType = AccessTools.TypeByName(TargetTypeName);
        static readonly Type requestType = AccessTools.TypeByName("BestHTTP.KGBBPEDECCO");

        // TODO: Reduce boilerplate
        static bool Prepare()
        {
            if (targetType == null)
            {
                Plugin.Log.LogWarning($"'{Description}' disabled. The type for this patch was not found.");
                return false;
            }
            MethodInfo requestMethod = AccessTools.Method(targetType, TargetMethodName, [ requestType ]);
            if (requestMethod == null)
            {
                Plugin.Log.LogWarning($"'{Description}' disabled. The method for this patch was not found.");
                return false;
            }

            Plugin.Log.LogInfo($"'{Description}' succeeded validation.");
            return true;
        }

        static MethodBase TargetMethod()
        {
            return AccessTools.Method(targetType, TargetMethodName, [ requestType ]);
        }

        [HarmonyPrefix]
        static bool Prefix(ref object OCJJLJHMMGH)
        {
            PropertyInfo uriProperty = AccessTools.Property(requestType, "NJCAFJDHMHI");
            if (uriProperty == null)
            {
                Plugin.Log.LogFatal("BestHTTP_MonoOne failed: NJCAFJDHMHI was null.");
                return false;
            }

            var uriInstance = (Uri)uriProperty.GetValue(OCJJLJHMMGH, null);
            if (uriInstance == null)
            {
                Plugin.Log.LogFatal("BestHTTP_MonoOne failed: uriInstance was null.");
                return false;
            }

            if (uriInstance.Host.Contains("api.amplitude.com") && GenericConfig.DisableAmplitude.Value) return false;

            Plugin.Log.LogInfo($"BestHTTP_MonoOne request (Before) URL: {uriInstance.ToString()}");

            Uri newUri;
            if (GenericConfig.IsNameserver.Value) newUri = PatchUtils.RewriteUrlForNameserver(uriInstance);
            else newUri = PatchUtils.RewriteUrlForGameserver(uriInstance);

            Plugin.Log.LogInfo($"BestHTTP_MonoOne request (After) URL: {newUri.ToString()}");

            uriProperty.SetValue(OCJJLJHMMGH, newUri, null);
            return true;
        }
    }
    [HarmonyPatch]
    class BestHTTP_MonoTwo_Patch
    {
        static string TargetTypeName = "BestHTTP.IGMACIPKKLJ";
        static string TargetMethodName = "LIADPGACMDN";
        static string Description = "2018 BestHTTP request (late) rewrite patch";
        static readonly Type targetType = AccessTools.TypeByName(TargetTypeName);
        static readonly Type requestType = AccessTools.TypeByName("BestHTTP.CLFJEGPBDII");

        static bool Prepare()
        {
            if (targetType == null)
            {
                Plugin.Log.LogWarning($"'{Description}' disabled. The type for this patch was not found.");
                return false;
            }
            MethodInfo requestMethod = AccessTools.Method(targetType, TargetMethodName, [requestType]);
            if (requestMethod == null)
            {
                Plugin.Log.LogWarning($"'{Description}' disabled. The method for this patch was not found.");
                return false;
            }

            Plugin.Log.LogInfo($"'{Description}' succeeded validation.");
            return true;
        }

        static MethodBase TargetMethod()
        {
            return AccessTools.Method(targetType, TargetMethodName, [requestType]);
        }

        [HarmonyPrefix]
        static bool Prefix(ref object GFKPFLABKMA)
        {
            PropertyInfo uriProperty = AccessTools.Property(requestType, "ECJJELCCIJA");
            if (uriProperty == null)
            {
                Plugin.Log.LogFatal("BestHTTP_MonoTwo failed: ECJJELCCIJA was null.");
                return false;
            }

            var uriInstance = (Uri)uriProperty.GetValue(GFKPFLABKMA, null);
            if (uriInstance == null)
            {
                Plugin.Log.LogFatal("BestHTTP_MonoTwo failed: uriInstance was null.");
                return false;
            }

            // TODO: Not the most elegant way to patch out amplitude - find a better way
            if (uriInstance.Host.Contains("api.amplitude.com") && GenericConfig.DisableAmplitude.Value) return false;

            Plugin.Log.LogInfo($"BestHTTP_MonoTwo request (Before) URL: {uriInstance.ToString()}");

            Uri newUri;
            if (GenericConfig.IsNameserver.Value) newUri = PatchUtils.RewriteUrlForNameserver(uriInstance);
            else newUri = PatchUtils.RewriteUrlForGameserver(uriInstance);

            Plugin.Log.LogInfo($"BestHTTP_MonoTwo request (After) URL: {newUri.ToString()}");

            uriProperty.SetValue(GFKPFLABKMA, newUri, null);
            return true;
        }
    }
}