using UnityEngine;

namespace DanieleMarotta.RiversongCodeShowcase
{
    public class WindmillProducerAnimation : ProducerAnimation
    {
        [SerializeField]
        private Transform _rotationTarget;

        [SerializeField]
        private float _rotationSpeed = 180;

        [SerializeField]
        private float _rampUpTime = 0.5f;

        [SerializeField]
        private float _slowDownTime = 0.5f;

        private float _currentRotationSpeed;

        public override void UpdateAnimation(in BuildingProductionState productionState)
        {
            if (!_rotationTarget) return;

            var isWorking = productionState.State == ProducerState.Working;
            var targetRotationSpeed = isWorking ? _rotationSpeed : 0;
            var rampTime = isWorking ? _rampUpTime : _slowDownTime;
            var maxDelta = rampTime > 0 ? _rotationSpeed / rampTime * Time.deltaTime : _rotationSpeed;
            _currentRotationSpeed = Mathf.MoveTowards(_currentRotationSpeed, targetRotationSpeed, maxDelta);

            var rotationDelta = _currentRotationSpeed * Time.deltaTime;
            _rotationTarget.localRotation *= Quaternion.Euler(0, 0, rotationDelta);
        }
    }
}