using UnityEngine;

namespace Superlazy.UI
{
    public class SLUITrigger : SLUIComponent
    {
        public Animator animator;

        public string bindingValue;

        public string bindingAnimation;
        public string defaultAnimation;
        public bool forceTrigger;

        private SLEntity oldValue;

        private bool restart;

        protected override void Validate()
        {
            animator = GetComponent<Animator>();
        }

        protected override void Init()
        {
        }

        public void Update()
        {
            if (forceTrigger) return;
            if (animator.GetCurrentAnimatorStateInfo(0).loop == false && animator.GetCurrentAnimatorStateInfo(0).normalizedTime > 1)
            {
                if (restart)
                {
                    var newValue = SLGame.SessionGet(bindParent.BindPath).Get(bindingValue);
                    if (newValue)
                    {
                        animator.Play(bindingAnimation, 0, 0);
                    }
                    else
                    {
                        if (string.IsNullOrEmpty(defaultAnimation) == false)
                        {
                            animator.Play(defaultAnimation, 0, 0);
                        }
                    }

                    restart = false;
                }
            }
        }

        protected override void Enable()
        {
            SLGame.AddNotify(bindParent.BindPath.CombinePath(bindingValue), OnChange);
            oldValue = false;
        }

        protected override void Disable()
        {
            SLGame.RemoveNotify(bindParent.BindPath.CombinePath(bindingValue), OnChange);
        }

        private void OnChange()
        {
            if (bindParent.Active == false) return;

            var newValue = SLGame.SessionGet(bindParent.BindPath).Get(bindingValue);

            if (newValue != oldValue)
            {
                if (newValue)
                {
                    if (forceTrigger || animator.GetCurrentAnimatorStateInfo(0).loop || animator.GetCurrentAnimatorStateInfo(0).normalizedTime >= 1)
                    {
                        animator.Play(bindingAnimation, 0, 0);
                    }
                    else
                    {
                        restart = true;
                    }
                }
                else
                {
                    if (forceTrigger || animator.GetCurrentAnimatorStateInfo(0).loop || animator.GetCurrentAnimatorStateInfo(0).normalizedTime >= 1)
                    {
                        if (string.IsNullOrEmpty(defaultAnimation) == false)
                        {
                            animator.Play(defaultAnimation, 0, 0);
                        }
                    }
                    else
                    {
                        restart = true;
                    }
                }

                oldValue = newValue;
            }
        }
    }
}