using Controller.Bicycle;
using SicknessReduction.Visual.Vignetting;
using UnityEngine;

namespace SicknessReduction
{
    //TODO: also based on slopes
    public class DynamicReductionSource : MonoBehaviour
    {
        public RbBicycleController bikeController;

        [Header("Restriction Data")] public float minValue = 0.3f;
        public float maxValue = 0.7f;
        public float maxValueChangePerSecond = 0.8f;

        [Tooltip("Depending on Vignetting source -> deg or deg/s")]
        public float threshold = 20f;

        private ValueBasedRestrictionSuggestor steerAngleSuggestor;
        private ValueAndTimeBasedRestrictionSuggestor speedSuggestor;

        protected float currentValue;

        public float CurrentValue => currentValue;

        protected virtual void Start()
        {
            if (bikeController == null) Debug.LogError("bike controller = null!");
            steerAngleSuggestor =
                new ValueBasedRestrictionSuggestor(threshold, minValue, maxValue,
                    bikeController.maxSteeringAngle); //deg
            speedSuggestor = new ValueAndTimeBasedRestrictionSuggestor(0, minValue,
                maxValue, 25f, 1.111f /*4kmh*/, 3);
        }

        protected virtual void Update()
        {
            steerAngleSuggestor.Value = bikeController.CurrentSteerAngle;
            speedSuggestor.UpdateValue(bikeController.CurrentSpeed);

            var steerSuggestion = steerAngleSuggestor.Suggestion;
            var speedSuggestion = speedSuggestor.Suggestion;
            var desiredValue = Mathf.Max(steerSuggestion, speedSuggestion);

            var desiredChange = desiredValue - currentValue;
            var maxChange = Time.deltaTime * maxValueChangePerSecond;
            var change = Mathf.Sign(desiredChange) * Mathf.Min(Mathf.Abs(desiredChange), maxChange);

            currentValue = Mathf.Clamp(currentValue + change, 0, 1);
        }
    }
}