using BepInEx;
using BepInEx.Configuration;
using EFT;
using UnityEngine;
using Comfort.Common;
using System.Reflection;
using System.Collections;


namespace CameraResolutionScale
{
    [BepInPlugin("com.notGreg.cameraScaleControl", "notGreg's Camera Resolution Settings", "1.0.0")]
    public class Plugin : BaseUnityPlugin
    {
        Utils utils = new Utils();
        DisableFOVScaling fovScaling = new DisableFOVScaling();
        UpdateScopeResolution scopeRes = new UpdateScopeResolution();

        ConfigEntry<int> cameraResolutionScale;
        ConfigEntry<int> scopeCameraResolutionScale;
        ConfigEntry<int> fovCompDistScale;

        enum fovScalingMode
        {
            Disabled,
            Enabled
        }

        void Awake()
        {
            cameraResolutionScale = Config.Bind(
                "General",
                "Main camera scale %",
                80,
                new ConfigDescription("Main camera resolution scale", new AcceptableValueRange<int>(50, 100)));

            scopeCameraResolutionScale = Config.Bind(
                "General",
                "Scope camera scale %",
                40,
                new ConfigDescription("Scope camera resolution scale", new AcceptableValueRange<int>(25, 100)));

            fovCompDistScale = Config.Bind(
                "Experimental",
                "FOV Compensation Dist. Scale",
                0,
                new ConfigDescription("Adjusts _fovCompensatoryDistance variable, makes scopes more useable at high FOV values", new AcceptableValueRange<int>(0, 100)));
        }



        float defaultSSRatio = 1.0f;
        Camera FPSCamera = null;
        Camera scopeCamera = null;

        SSAA ssaaInstance = null;
        FieldInfo _currentSSRatio = null;
        FieldInfo _nextSSRation = null;

        int defaultFOVValue = 50;



        void setUpCameras()
        {
            Logger.LogInfo("Game started!");

            Logger.LogInfo("Get FPS Camera");
            StartCoroutine(tryGetMainCamera());

            Logger.LogInfo("Get Scope Camera");
            StartCoroutine(tryGetScopeCamera());
        }

        WaitForSeconds myDelaySec = new WaitForSeconds(1);
        IEnumerator tryGetMainCamera()
        {
            if (scopeRes.getMainCamera() == null)
            {
                yield return myDelaySec;
                StartCoroutine(tryGetMainCamera());
                yield break;
            }
            FPSCamera = scopeRes.getMainCamera();

            Logger.LogInfo("Get SSAAInstance (Camera)");
            ssaaInstance = scopeRes.getSSAAInstance(FPSCamera);

            Logger.LogInfo("Set SSRatios");
            _nextSSRation = scopeRes.getFieldInfo("_nextSSRation");
            _currentSSRatio = scopeRes.getFieldInfo("_currentSSRatio");

            Logger.LogInfo($"Updating defaultSSRatio to {_nextSSRation.GetValue(ssaaInstance)}");
            defaultSSRatio = (float)_nextSSRation.GetValue(ssaaInstance);
        }

        IEnumerator tryGetScopeCamera()
        {
            if (scopeRes.getScopeCamera() == null)
            {
                Logger.LogInfo("ScopeCamera not found! Restarting...");
                yield return myDelaySec;
                StartCoroutine(tryGetScopeCamera());
                yield break;


            }

            Logger.LogInfo("Assigning scopeCamera");
            scopeCamera = scopeRes.getScopeCamera();
        }

        void subscribeToOnAimingChanged()
        {
            Logger.LogInfo($"subscribeToOnAimingChanged: player = {mainPlayer}");
            mainPlayer.HandsController.OnAimingChanged += (args) =>
            {
                Logger.LogInfo("Changing fovCompDist");
                mainPlayer.ProceduralWeaponAnimation._fovCompensatoryDistance = -0.03f * fovCompDistScale.Value / 100f;

                if (mainPlayer.HandsController.IsAiming)
                {
                    Logger.LogInfo("Updating camera resolutions");
                    _nextSSRation.SetValue(ssaaInstance, (float)(defaultSSRatio * cameraResolutionScale.Value / 100f));

                    if (scopeCamera != null && scopeCamera.isActiveAndEnabled)
                    {
                        scopeCamera.GetComponent<SSAAOptic>().OpticCameraToMainCameraResolutionRatio = (float)(scopeCameraResolutionScale.Value / 100f);
                    }
                    return;
                }

                if (!mainPlayer.HandsController.IsAiming)
                {
                    Logger.LogInfo("Restoring camera resolutions");
                    _nextSSRation.SetValue(ssaaInstance, (float)(defaultSSRatio));

                    return;
                }
            };
        }

        GameStatus lastGameState = GameStatus.Stopped;
        bool gameStateChanged(GameStatus currentState)
        {
            if (lastGameState != currentState)
            {
                lastGameState = currentState;
                Logger.LogInfo($"GameState changed! {currentState}");
                return true;
            }
            //Logger.LogInfo("GameState unchanged.");
            return false;
        }

        Player mainPlayer = null;

        void Update()
        {

            if (Singleton<AbstractGame>.Instance == null) return;
            GameStatus currentGameState = Singleton<AbstractGame>.Instance.Status;

            if (currentGameState == GameStatus.Started && mainPlayer != null)
            {
                if (mainPlayer.HandsController.IsAiming)
                {
                    mainPlayer.ProceduralWeaponAnimation._fovCompensatoryDistance = -0.03f * fovCompDistScale.Value / 100f;
                }
            }

            if (!gameStateChanged(currentGameState)) return;

            if ((currentGameState == GameStatus.SoftStopping || currentGameState == GameStatus.Stopped))
            {
                Logger.LogInfo("Game is stopping, resetting stuffs for the next raid");
                mainPlayer = null;
                return;
            }

            if (currentGameState == GameStatus.Started)
            {
                Logger.LogInfo("Getting local player");
                mainPlayer = utils.getLocalPlayer();
                Logger.LogInfo($"Returned: {mainPlayer.GetType()}");

                Logger.LogInfo("Updating default FOV value");
                if (defaultFOVValue != Camera.main.fieldOfView) { defaultFOVValue = (int)Camera.main.fieldOfView; }

                Logger.LogInfo("setUpCameras()");
                setUpCameras();

                Logger.LogInfo("UpdateSSRatio()");
                defaultSSRatio = (float)_nextSSRation.GetValue(ssaaInstance);
                Logger.LogInfo($"Updating defaultSSRatio to {defaultSSRatio}");
                //updateSSRatio();

                Logger.LogInfo("subscibeToOnAimingChanged()");
                subscribeToOnAimingChanged();

                return;
            }
        }

        //void updateSSRatio()
        //{
        //    if (!isAiming && FPSCamera != null)
        //    {
        //        defaultSSRatio = (float)_nextSSRation.GetValue(ssaaInstance);
        //        Logger.LogInfo($"Updating defaultSSRatio to {defaultSSRatio}");
        //    }
        //}
    }
}