using System;
using Reset.Core;
using Sirenix.OdinInspector;
using Unity.Cinemachine;
using UnityEngine;

public struct CameraSettingData : ICloneable{
    public SettingValue<float> mainFieldOfView;

    public SettingValue<Vector3> orbitPositionDamping;
    public SettingValue<Vector3> orbitTargetOffset;
    
    public SettingValue<bool> axisLookEnabledX;
    public SettingValue<bool> axisLookEnabledY;

    public SettingValue<float> axisLookGainX;
    public SettingValue<float> axisLookGainY;
    
    public SettingValue<float> orbitFollowTopHeight;
    public SettingValue<float> orbitFollowTopRadius;
    public SettingValue<float> orbitFollowCenterHeight;
    public SettingValue<float> orbitFollowCenterRadius;
    public SettingValue<float> orbitFollowBottomHeight;
    public SettingValue<float> orbitFollowBottomRadius;

    public SettingValue<Vector2> rotationComposerScreenPos;
    
    public SettingValue<Vector3> cameraOffsetOffset;
    
    public object Clone(){
        return MemberwiseClone();
    }
}

public class CameraSettingsProcessor : MonoBehaviour{
    public static CameraSettingsProcessor Instance{ get; private set; }

    [HideInInspector] public static CameraSettingData data;
    [HideInInspector] public static CameraSettingData original;
    [ShowInInspector] public static CameraSettingData smoothing;
    [ShowInInspector] public static CameraSettingData easing;

    
    [HideInInspector] public static CameraSettingData currentSmoothing;
    [HideInInspector] public static CameraSettingData currentValue;
    
    public static GameObject mainCamera;

    private CinemachineCamera main;
    private CinemachineOrbitalFollow orbit;
    private CinemachineRotationComposer rotComp;
    private CinemachineCameraOffset offset;
    private CinemachineInputAxisController axisCont;
    
    public void Awake(){
        // Singleton management
        if (Instance != null && Instance != this) {
            Destroy(this);
        } else {
            Instance = this;
        }

        // Set references for camera object and cinemachine components
        mainCamera = gameObject;
        main = mainCamera.GetComponent<CinemachineCamera>();
        orbit = mainCamera.GetComponent<CinemachineOrbitalFollow>();
        rotComp = mainCamera.GetComponent<CinemachineRotationComposer>();
        offset = mainCamera.GetComponent<CinemachineCameraOffset>();
        axisCont = mainCamera.GetComponent<CinemachineInputAxisController>();

        // Initialize camera settings values from current values
        data.mainFieldOfView.targetValue = main.Lens.FieldOfView;
        
        data.orbitPositionDamping.targetValue = orbit.TrackerSettings.PositionDamping;
        data.orbitTargetOffset.targetValue = orbit.TargetOffset;

        data.axisLookEnabledX.targetValue = axisCont.Controllers[0].Enabled;
        data.axisLookEnabledY.targetValue = axisCont.Controllers[1].Enabled;
        
        data.axisLookGainX.targetValue = axisCont.Controllers[0].Input.Gain;
        data.axisLookGainY.targetValue = axisCont.Controllers[1].Input.Gain;
        
        data.orbitFollowTopHeight.targetValue = orbit.Orbits.Top.Height;
        data.orbitFollowTopRadius.targetValue = orbit.Orbits.Top.Radius;
        data.orbitFollowCenterHeight.targetValue = orbit.Orbits.Center.Height;
        data.orbitFollowCenterRadius.targetValue = orbit.Orbits.Center.Radius;
        data.orbitFollowBottomHeight.targetValue = orbit.Orbits.Bottom.Height;
        data.orbitFollowBottomRadius.targetValue = orbit.Orbits.Bottom.Radius;

        data.rotationComposerScreenPos.targetValue = rotComp.Composition.ScreenPosition;
        data.cameraOffsetOffset.targetValue = offset.Offset;

        // And copy to the original
        original = (CameraSettingData)data.Clone();
    }
    
    void Update(){
        // EaseToNewSmoothingValues();
        // ProcessCameraValues();
    }

    void EaseToNewSmoothingValues(){
        data.mainFieldOfView.SmoothAndEase();
        
        data.orbitPositionDamping.SmoothAndEase();
        data.orbitTargetOffset.SmoothAndEase();
        
        data.axisLookGainX.SmoothAndEase();
        data.axisLookGainY.SmoothAndEase();
        
        data.orbitFollowTopHeight.SmoothAndEase();
        data.orbitFollowTopRadius.SmoothAndEase();
        data.orbitFollowCenterHeight.SmoothAndEase();
        data.orbitFollowCenterRadius.SmoothAndEase();
        data.orbitFollowBottomHeight.SmoothAndEase();
        data.orbitFollowBottomRadius.SmoothAndEase();

        data.rotationComposerScreenPos.SmoothAndEase();
        data.cameraOffsetOffset.SmoothAndEase();
    }
    
    void ProcessCameraValues(){
        main.Lens.FieldOfView = data.mainFieldOfView.Value;
        
        axisCont.Controllers[0].Enabled = data.axisLookEnabledX.Value;
        axisCont.Controllers[1].Enabled = data.axisLookEnabledY.Value;

        axisCont.Controllers[0].Input.Gain = data.axisLookGainX.Value;
        axisCont.Controllers[1].Input.Gain = data.axisLookGainY.Value;

        orbit.TrackerSettings.PositionDamping = data.orbitPositionDamping.Value;
        orbit.TargetOffset = data.orbitTargetOffset.Value;

        orbit.Orbits.Top.Height = data.orbitFollowTopHeight.Value;
        orbit.Orbits.Top.Radius = data.orbitFollowTopRadius.Value;
        orbit.Orbits.Center.Height = data.orbitFollowCenterHeight.Value;
        orbit.Orbits.Center.Radius = data.orbitFollowCenterRadius.Value;
        orbit.Orbits.Bottom.Height = data.orbitFollowBottomHeight.Value;
        orbit.Orbits.Bottom.Radius = data.orbitFollowBottomRadius.Value;
        
        rotComp.Composition.ScreenPosition = data.rotationComposerScreenPos.Value;
        
        offset.Offset = data.cameraOffsetOffset.Value;
    }
}