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

namespace AibisDream
{
    public class DialogController : Singleton<DialogController>
    {
        private DialogueRunner dialogueRunner;

        private Dictionary<string, Action<YarnOption[]>> commandMap;

        public bool quickRunMode;

        private void Start()
        {
            dialogueRunner = GetComponentInChildren<DialogueRunner>();
        }

        /// <summary>
        /// 开启对话
        /// </summary>
        /// <param name="yarnProject">Yarn组</param>
        public void StartDialog(YarnProject yarnProject)
        {
            dialogueRunner.SetProject(yarnProject);
            dialogueRunner.StartDialogue("Start");
        }

        /// <summary>
        /// 调用命令
        /// </summary>
        /// <param name="commandName">命令名</param>
        /// <param name="options">选项</param>
        public void InvokeOptionCommand(string commandName, YarnOption[] options)
        {
            if (commandName == null)
            {
                Debug.Log("命令名为空");
                return;
            }

            if (commandMap.TryGetValue(commandName, out var action))
            {
                action(options);
            }
            else
            {
                Debug.LogWarning($"命令 {commandName} 不存在");
            }
        }

        /// <summary>
        /// 注册命令
        /// </summary>
        /// <param name="commandName">命令名称</param>
        /// <param name="commandAction">注册名称</param>
        public void RegisterOptionCommand(string commandName, Action<YarnOption[]> commandAction)
        {
            if (commandMap.ContainsKey(commandName))
            {
                Debug.Log($"命令 {commandName} 已经存在，将被替换");
            }

            commandMap[commandName] = commandAction;
        }

        /// <summary>
        /// 移除命令
        /// </summary>
        /// <param name="commandName">命令名称</param>
        public void RemoveOptionCommand(string commandName)
        {
            if (commandMap.ContainsKey(commandName))
            {
                commandMap.Remove(commandName);
            }
            else
            {
                Debug.Log($"命令 {commandName} 不存在");
            }
        }

        #region 命令名

        [YarnCommand("switch_tv")]
        public static void SwitchTV(string picName)
        {
            MainUIController.Instance.SwitchTV(picName);
        }

        [YarnCommand("indoor")]
        public static void Indoor(float duration = 1)
        {
            MainUIController.Instance.TVFadeOut(duration);
        }

        [YarnCommand("character_into")]
        public static void CharacterInto(string picName)
        {
            Debug.Log($"character_into {picName}");
        }

        [YarnCommand("character_moveto_fix")]
        public static void CharacterMoveToFix()
        {
            Debug.Log("character_moveto_fix");
        }

        [YarnCommand("cover")]
        public static void Cover()
        {
            Debug.Log("Cover");
        }

        [YarnCommand("load_scene")]
        public static IEnumerator LoadScene(string sceneName, float duration = 1)
        {
            HideDialog();
            yield return MainUIController.Instance.FadeInSync(duration);
            yield return SceneLoader.Instance.LoadSceneAsync(sceneName);
            yield return MainUIController.Instance.FadeOutSync(duration);
        }

        [YarnCommand("unload_scene")]
        public static IEnumerator UnloadScene(string sceneName)
        {
            yield return SceneLoader.Instance.UnloadSceneAsync(sceneName);
        }
        
        [YarnCommand("init_fix")]
        public static void InitFix()
        {
            
        }

        [YarnCommand("hide_dialog")]
        public static void HideDialog()
        {
            DialogUiViewer.Instance.HideDialog();
        }

        [YarnCommand("fade_in")]
        public static IEnumerator FadeIn(float duration = 1)
        {
            return MainUIController.Instance.FadeInSync(duration);
        }

        [YarnCommand("fade_out")]
        public static IEnumerator FadeOut(float duration = 1)
        {
            return MainUIController.Instance.FadeOutSync(duration);
        }

        #endregion
    }
}