using System;
using System.Collections;
using System.Collections.Generic;
using AibisDream.Framework;
using AibisDream.Kit;
using AibisDream.Utility;
using DG.Tweening;
using UnityEngine;
using UnityEngine.UI;
using Yarn.Unity;

namespace AibisDream
{
    public class TaskPanel : MonoBehaviour, IUIPanel, IDialogView
    {
        private RectTransform _rectTransform;
        private Transform  _taskListParent;
        private GameObject _taskItemPrefab;

        private GameObject TaskItemPrefab
        {
            get
            {
                if (_taskItemPrefab == null)
                {
                    _taskItemPrefab = ResourceKit.LoadAssetSync<GameObject>(ConstRef.TaskItemName);
                }

                return _taskItemPrefab;
            }
        }

        private readonly Dictionary<string, LocalizedText> _taskDict = new();

        private void Awake()
        {
            _rectTransform = GetComponent<RectTransform>();
            _taskListParent = transform.Find("Record");
            EnumEventSystem.Global.Register(GameLoopEnum.GameQuit, OnGameQuit);
            EnumEventSystem.Global.Register(EventEnum.NextYarn, ClearTasks);
        }
        
        #region 诊疗单功能

        public void CompleteTask(string lineId)
        {
            if (_taskDict.Remove(lineId, out var taskItem))
            {
                Destroy(taskItem.gameObject);
            }
        }
        
        public void ClearTasks()
        {
            foreach (var task in _taskDict)
            {
                Destroy(task.Value.gameObject);
            }
            _taskDict.Clear();
        }

        public void OnGameQuit()
        {
            ClearTasks();
            UIManager.Instance.HidePanel<TaskPanel>();
        }

        #endregion
        
        #region 对话框功能实现

        public void ShowLine(string dialogLine, CharacterVo character, Action nextStep, string lineId, bool isAutoSkip = false)
        {
            _taskListParent.gameObject.SetActive(false);
            var taskItem = Instantiate(TaskItemPrefab, _taskListParent);
            // 设置本地化数据
            var localize = taskItem.GetComponent<LocalizedText>();
            localize.SetLocalizedText(DialogController.Instance.GetCurLocalizedTableName(), lineId);
            _taskDict[lineId] = localize;
            
            EnumEventSystem.Global.Send(DialogEventEnum.LineShown);
            EnumEventSystem.Global.Send(DialogEventEnum.LineEnd);
            nextStep.Invoke();
            _taskListParent.gameObject.SetActive(true);
            LayoutRebuilder.ForceRebuildLayoutImmediate(_taskListParent.GetComponent<RectTransform>());
        }

        public void ShowOptions(DialogOption[] dialogueOptions)
        {
            Debug.Log("Task 面板不能显示选项");
        }

        public void HideDialog()
        {
            // HideDialog应该由其他函数控制
        }

        public bool TrySkipLine(bool isForceSkip = false)
        {
            // 这里不能跳过对话
            return true;
        }

        public void NextStep()
        {
            // 这里不能手动跳到下一行
        }

        public void OnLocalizationChanged(string value)
        {
        }

        #endregion
        
        #region 打开和关闭

        public bool IsOpen { get; private set;}
        public bool IsCloseable => false;

        public void Show()
        {
            AudioManager.Instance.PlaySfx("event:/Scriptal/taskmanager");
            // 下移
            _rectTransform.DOAnchorPosY(-350, 1f).OnComplete(() =>
            {
                IsOpen = true;
            });
        }

        public void Hide()
        {
            // 上移
            AudioManager.Instance.PlaySfx("event:/Scriptal/taskmanager");
            _rectTransform.DOAnchorPosY(0, 1f).OnComplete(() =>
            {
                IsOpen = false;
            });
        }

        #endregion
    }
    
    public static class TaskYarnCommand
    {
        private static TaskPanel TaskPanel => UIManager.Instance.GetPanel<TaskPanel>();
        
        [YarnCommand("complete_task")]
        public static void CompleteTask(string lineId)
        {
            TaskPanel.CompleteTask(lineId);
        }
        
        [YarnCommand("clear_tasks")]
        public static void ClearTasks()
        {
            TaskPanel.ClearTasks();
        }

        [YarnCommand("task_moveIn")]
        public static IEnumerator ShowTask()
        {
            UIManager.Instance.ShowPanel<TaskPanel>();
            yield return new WaitForSeconds(1);
        }
        
        [YarnCommand("task_moveOut")]
        public static IEnumerator HideTask()
        {
            UIManager.Instance.HidePanel<TaskPanel>();
            yield return new WaitForSeconds(1);
        }
    }
}