using System.Diagnostics.CodeAnalysis;
using ADOFAIRenderer.Core;
using ADOFAIRenderer.Util;
using ADOFAIRenderer.Util.Audio;
using HarmonyLib;
using UnityEngine;

namespace ADOFAIRenderer.Patch.Engine
{
    public static class RenderEnvironmentPatches
    {
        private const bool RenderPatch = true;
        private static double TimeSpent => RenderManager.Instance.frameCount / RenderManager.Instance.Configuration.RenderFPS;
        
        [HarmonyPatch(typeof(Time), "time", MethodType.Getter)]
        public static class TimePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref float __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = (float)(TimeSpent + RenderManager.Instance.timeBase);
                return false;
            }
        }
        
        [HarmonyPatch(typeof(Time), "timeAsDouble", MethodType.Getter)]
        public static class TimeAsDoublePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref double __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = TimeSpent + RenderManager.Instance.timeBase;
                return false;
            }
        }

        [HarmonyPatch(typeof(Time), "unscaledTime", MethodType.Getter)]
        public static class UnscaledTimePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref float __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = (float)(TimeSpent + RenderManager.Instance.unscaledTimeBase);
                return false;
            }
        }
        
        [HarmonyPatch(typeof(Time), "unscaledTimeAsDouble", MethodType.Getter)]
        public static class UnscaledTimeAsDoublePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref double __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = TimeSpent + RenderManager.Instance.unscaledTimeBase;
                return false;
            }
        }

        [HarmonyPatch(typeof(AudioSettings), "dspTime", MethodType.Getter)]
        public static class DspTimePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref double __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = TimeSpent + RenderManager.Instance.dspTimeBase;
                return false;
            }
        }
        
        [HarmonyPatch(typeof(AudioSource), "PlayScheduled")]
        public static class PlayScheduledPatch
        {
            // ReSharper disable once InconsistentNaming
            public static bool Prefix(AudioSource __instance, double time)
            {
                return !RenderManager.IsActive;
            }
        }

        [HarmonyPatch(typeof(Time), "frameCount", MethodType.Getter)]
        public static class FrameCountPatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref int __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = (int)(RenderManager.Instance.frameCount + RenderManager.Instance.frameCountBase);
                return false;
            }
        }

        [HarmonyPatch(typeof(Time), "deltaTime", MethodType.Getter)]
        public static class DeltaTimePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref float __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = (float)(1 / RenderManager.Instance.Configuration.RenderFPS);
                return false;
            }
        }

        [HarmonyPatch(typeof(Time), "unscaledDeltaTime", MethodType.Getter)]
        public static class UnscaledDeltaTimePatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref float __result)
            {
                if (!RenderManager.IsCapturingActive || !RenderContext.TimePatch) return true;
                __result = (float)(1 / RenderManager.Instance.Configuration.RenderFPS);
                return false;
            }
        }

        [HarmonyPatch(typeof(Screen), "width", MethodType.Getter)]
        public static class ScreenWidthPatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref int __result)
            {
                if (!RenderManager.IsActive || !RenderContext.ScreenPatch || !RenderManager.Instance) return true;
                __result = RenderManager.Instance.Configuration.RenderWidth;
                return false;
            }
        }

        [HarmonyPatch(typeof(Screen), "height", MethodType.Getter)]
        public static class ScreenHeightPatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(ref int __result)
            {
                if (!RenderManager.IsActive || !RenderContext.ScreenPatch || !RenderManager.Instance) return true;
                __result = RenderManager.Instance.Configuration.RenderHeight;
                return false;
            }
        }

        [HarmonyPatch(typeof(AudioSource), "GetSpectrumData", typeof(float[]), typeof(int), typeof(FFTWindow))]
        public static class GetSpectrumDataPatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static bool Prefix(AudioSource __instance, float[] samples, int channel, FFTWindow window)
            {
                if (!RenderManager.IsCapturingActive || !RenderManager.Instance.Configuration.AdvancedConfig.ProcessAudio) return true;
                AudioSpectrumGenerator.GetSpectrumData(samples, channel, window);
                return false;
            }
        }

        [HarmonyPatch(typeof(AudioManager), "FindOrLoadAudioClipExternal", typeof(string), typeof(bool), typeof(float), typeof(bool))]
        public static class FindOrLoadAudioClipExternalPatch
        {
            [SuppressMessage("ReSharper", "InconsistentNaming")]
            public static void Prefix(ref bool stream)
            {
                if (RenderManager.Instance && RenderManager.Instance.OverrideLoading && RenderManager.Instance.Configuration.AdvancedConfig.ProcessAudio)
                    stream = false;
            }
        }
    }
}