using TriInspector;
using UnityEngine;

namespace R0bbie.Timeline
{
    /// <summary>
    /// Animation StepCmd type, used to control an animation
    /// </summary>
    [AddComponentMenu("Timeline/Commands/Animation (Step Command)")]
    [RequireComponent(typeof(Step))]
    public class AnimationCmd : StepCmd
    {
        [Title("Animation Options")]
        [SerializeField] protected Animator animator;
        [SerializeField] bool forceAnimation;
        [InfoBox("If forcing the animation, the animationTrigger string should be the name on the AnimatorState(not the trigger parameter) to be able to force it")]
        [SerializeField] protected string animationTrigger;
        
        
        /// <summary>
        /// Initialise command (called before Activate)
        /// </summary>
        protected override void Init()
        {
            init = true;
        }

        
        public override void Activate(Step _parentStep)
        {
            base.Activate(_parentStep);
            
            // Check the necessary command values are set before continuing
            if (animator == null || string.IsNullOrEmpty(animationTrigger))
            {
                Debug.LogWarning("Tried to activate an AnimationCmd with a null animator or trigger. Couldn't continue.");
                DeactivateEarly();
                return;
            }
            
            // Ensure movement resumed to normal on animator (in case paused before)
            // The "Speed" float of the animator is used just to set a character idle at the start of an anim so it needs to be setup on the editor
            // For the resume function we just need to resume the speed on the animator itself
            animator.speed = 1f;
            
            // Play animation
            if (forceAnimation)
                animator.Play(animationTrigger);
            else
                animator.SetTrigger(animationTrigger);
            
            // Ensure GO attached to animator is enabled
            if (!animator.isActiveAndEnabled)
                animator.gameObject.SetActive(true);
        }
        
        
        protected override void Cleanup()
        {
            active = false;
        }
        
        
#if UNITY_EDITOR

        public Animator GetAnimator() { return animator; }
        public string GetAnimatorString() { return animationTrigger; }
        public bool GetForceAnimation() { return forceAnimation; }
        
        public void SetAnimatorEditor(Animator editorAnimator)
        {
            animator = editorAnimator;
        }
        
#endif
        
    }
}