using UnityEngine;
using AibisDream.UI;
using UnityEngine.Events;
using UnityEngine.UI;

namespace AibisDream
{
    public class BlockSubmitHander : MonoBehaviour
    {
        [Header("图片索引")]
        [SerializeField] private SpriteTint validAsset;
        [SerializeField] private SpriteTint invalidAsset;

        private BaseButton submitButton;
        private Image submitButtonImage;
        public UnityEvent OnClick => submitButton.onClick;

        // 状态管理
        private bool isValid = false;
        private bool isLocked = false;

        private void Awake()
        {
            submitButtonImage = GetComponent<Image>();
            submitButton = GetComponent<BaseButton>();
            submitButton.onStateTransition.AddListener(OnStateTransition);
        }

        /// <summary>
        /// 设置验证状态（决定按钮外观）
        /// </summary>
        public void SetValidState(bool valid)
        {
            isValid = valid;
            UpdateButtonVisual();
            UpdateInteractableState();
        }

        /// <summary>
        /// 设置锁定状态（决定能否交互，不改变外观）
        /// </summary>
        public void SetLockedState(bool locked)
        {
            isLocked = locked;
            UpdateInteractableState();
        }

        private void UpdateInteractableState()
        {
            if (submitButton == null) return;
            submitButton.interactable = isValid && !isLocked;
        }

        private void UpdateButtonVisual()
        {
            if (submitButtonImage == null) return;
            var asset = isValid ? validAsset : invalidAsset;
            submitButtonImage.sprite = asset.normalSprite;
        }

        private void OnStateTransition(SelectionType stateTransition, bool instant)
        {
            var asset = isValid ? validAsset : invalidAsset;

            switch (stateTransition)
            {
                case SelectionType.Normal:
                    submitButtonImage.sprite = asset.normalSprite;
                    break;
                case SelectionType.Highlighted:
                    submitButtonImage.sprite = asset.highlightedSprite;
                    break;
                case SelectionType.Pressed:
                    submitButtonImage.sprite = asset.pressedSprite;
                    break;
                case SelectionType.Selected:
                    submitButtonImage.sprite = asset.selectedSprite;
                    break;
                case SelectionType.Disabled:
                    submitButtonImage.sprite = asset.disabledSprite;
                    break;
            }
        }
    }
}