using UnityEngine;

namespace R0bbie.Timeline
{
    public class StepTimelineManager : MonoBehaviour
    {
        public static StepTimeline activeStepTimeline;
        public static StepController activeController;

        public static Step lastPlayedStep;
        
        static Step pausedOnStep;


        public static void ClearState()
        {
            activeStepTimeline = null;
            activeController = null;
            lastPlayedStep = null;
            pausedOnStep = null;
        }


        public static bool WasLastStepOnTimeline()
        {
            if (lastPlayedStep && lastPlayedStep.attachedStepTimeline)
                return true;
            else
                return false;
        }


        /// <summary>
        /// Pause all commands on the currently active timeline or controller (if one is active)
        /// </summary>
        public static void PauseCommands()
        {
            if (lastPlayedStep && lastPlayedStep.isActive)
            {
                if (lastPlayedStep.attachedStepTimeline)
                    lastPlayedStep.attachedStepTimeline.Pause();
                else if (lastPlayedStep.attachedController)
                    lastPlayedStep.attachedController.Pause();

                pausedOnStep = lastPlayedStep;
            }
        }
        
        
        /// <summary>
        /// Resume all commands on the currently active timeline or controller (if one was active when game was paused)
        /// </summary>
        public static void ResumeCommands(float _elapsedTime)
        {
            // Resume 
            if (pausedOnStep)
            {
                if (pausedOnStep.attachedStepTimeline)
                    pausedOnStep.attachedStepTimeline.Resume(_elapsedTime);
                else if (pausedOnStep.attachedController)
                    pausedOnStep.attachedController.Resume(_elapsedTime);
            }
        }

    }
}