using System;
using System.Collections.Generic;
using AibisDream.Utility;
using UnityEngine;
using Yarn.Unity;

namespace AibisDream
{
    public class LineRunner : DialogueViewBase
    {
        [SerializeField] private DialogViewType[] lineViewTypes;
        [SerializeField] private LineAdvanceInput advanceInput;
        [SerializeField] private BubbleGroup bubbleGroup;

        private readonly Dictionary<DialogViewType, ILineView> _screenViewDict = new();

        public override void RunLine(LocalizedLine dialogueLine, Action onDialogueLineFinished)
        {
            LineSyncToken lineSyncEvent;
            if (dialogueLine.GetCharacterVo().dialogViewType == DialogViewType.Screen)
            {
                // 自动推进视图
                lineSyncEvent = LineSyncToken.CreateAuto(dialogueLine, onDialogueLineFinished);
                DialogController.Instance.lineSyncToken = lineSyncEvent;
                if (_screenViewDict.TryGetValue(DialogViewType.Screen, out var view))
                {
                    view.RunLine(lineSyncEvent);
                }
                else
                {
                    Debug.LogWarning($"未注册的视图类型: {dialogueLine.GetCharacterVo().dialogViewType}");
                }
            }
            else if (dialogueLine.GetCharacterVo().dialogViewType == DialogViewType.Task)
            {
                lineSyncEvent = LineSyncToken.CreateImmediate(dialogueLine, onDialogueLineFinished);
                DialogController.Instance.lineSyncToken = lineSyncEvent;
                if (_screenViewDict.TryGetValue(DialogViewType.Task, out var view))
                {
                    view.RunLine(lineSyncEvent);
                }
                else
                {
                    Debug.LogWarning($"未注册的视图类型: {dialogueLine.GetCharacterVo().dialogViewType}");
                }
            }
            else
            {
                // 手动推进视图
                lineSyncEvent = LineSyncToken.CreateDefault(dialogueLine, onDialogueLineFinished);
                DialogController.Instance.lineSyncToken = lineSyncEvent;
                bubbleGroup.RunLine(lineSyncEvent);
            }            
            
            // 最后交给推进处理    
            advanceInput.RunLine(lineSyncEvent);
        }

        public void RegisterView(DialogViewType dialogViewType, ILineView view)
        {
            _screenViewDict.Add(dialogViewType, view);
        }

        public void UnRegisterView(DialogViewType dialogViewType)
        {
            _screenViewDict.Remove(dialogViewType);
        }
    }

    public interface ILineView
    {
        void RunLine(LineSyncToken token);
    }
}