using System;
using AibisDream.Framework;
using AibisDream.Kit;
using AibisDream.Utility;
using Febucci.UI;
using UnityEngine;
using UnityEngine.UI;

namespace AibisDream
{
    public class CenterText : MonoBehaviour, IDialogView
    {
        #region 索引

        private TypewriterByCharacter _dialogText;
        private Image _panel; 
        private Action _nextStep;
        
        #endregion
        
        private bool _skipLineDelay;
        
        [Header("跳过阻塞延迟时间/ms")] [SerializeField]
        private int delayTime = 300;
        
        private void Awake()
        {
            InitComponents();
            AddSomeListener();
        }
        
        private void InitComponents()
        {
            _dialogText = transform.Find("Dialog Text")?.gameObject.GetComponent<TypewriterByCharacter>();
        }
        
        private void AddSomeListener()
        {
            // 对话显示后有一段延时不可跳过
            _dialogText.onTypewriterStart.AddListener(() =>
            {
                _skipLineDelay = true;
                _ = CommonUtil.Delay(delayTime, () => { _skipLineDelay = false; });
            });
        }
        
        public void ShowLine(string dialogLine, CharacterVo character, Action nextStep, Action onTextShowed = null,
            bool isAutoSkip = false)
        {
            // 把原有对话清掉
            ClearBox();
            _dialogText.gameObject.SetActive(true);

            // 显示内容
            _dialogText.ShowText(dialogLine);

            // 自动跳过的回调很难独立Remove，只能全部清空再注册，下策
            _dialogText.onTextShowed.RemoveAllListeners();
            _dialogText.onTextShowed.AddListener(() => onTextShowed?.Invoke());
            _dialogText.onTextShowed.AddListener(() => EnumEventSystem.Global.Send(DialogEventEnum.LineShowed));
            
            _nextStep = nextStep;
            
            // 执行自动跳过结局
            if (isAutoSkip)
            {
                _dialogText.onTextShowed.AddListener(() => _ = CommonUtil.Delay(200, NextStep));
            }
        }

        public void ShowOptions(DialogOption[] dialogueOptions)
        {
            // 不能出选项
        }

        public void HideDialog()
        {
            gameObject.SetActive(false);
        }

        public bool TrySkipLine()
        {
            if (_skipLineDelay)
            {
                return true;
            }

            if (_dialogText.isShowingText)
            {
                _dialogText.SkipTypewriter();
                return true;
            }

            return false;
        }

        public void NextStep()
        {
            if (_nextStep == null) return;
            
            ClearBox();
            EnumEventSystem.Global.Send(DialogEventEnum.LineEnd);
            var next = _nextStep;
            _nextStep = null;
            next.Invoke();
        }
        
        private void ClearBox()
        {
            gameObject.SetActive(true);
            _dialogText?.TextAnimator.SetText("");
        }
    }
}