using System;
using System.Collections;
using System.Collections.Generic;
using AibisDream.Kit;
using AibisDream.SaveSystem;
using UnityEngine;
using Yarn.Unity;

namespace AibisDream
{
    public class EnvironmentManager : Singleton<EnvironmentManager>
    {
        public bool initOnAwake = true;
        public TimesOfDay defaultTime;
        public Weather defaultWeather;

        private AbsScenePart[] _absSceneParts;
        private Dictionary<string, Animator> _animatorDict;

        private bool _isInitialized;
        private TimesOfDay _curTime;
        private Weather _curWeather;

        public override void OnSingletonInit()
        {
            if (initOnAwake)
            {
                InitEnvironment(defaultTime, defaultWeather);
            }
        }

        public EnvironmentSnapshotDto CaptureSnapshot()
        {
            return new EnvironmentSnapshotDto
            {
                curTime = _curTime.ToString(),
                curWeather = _curWeather.ToString(),
                isInitialized = _isInitialized
            };
        }

        public void RestoreSnapshot(EnvironmentSnapshotDto dto)
        {
            if (dto == null) return;

            if (!Enum.TryParse<TimesOfDay>(dto.curTime, out var time))
            {
                time = defaultTime;
            }

            if (!Enum.TryParse<Weather>(dto.curWeather, out var weather))
            {
                weather = defaultWeather;
            }

            if (!_isInitialized || !dto.isInitialized)
            {
                InitEnvironment(time, weather);
            }
            else
            {
                SetTimeOfDay(time);
                SetWeather(weather);
            }

        }

        public void InitEnvironment(TimesOfDay timeOfDay, Weather weather)
        {
            if (_isInitialized)
            {
                Debug.Log("已经初始化过了");
                return;
            }

            _animatorDict = new Dictionary<string, Animator>();
            foreach (var animator in GetComponentsInChildren<Animator>(true))
            {
                _animatorDict[animator.gameObject.name] = animator;
            }

            _absSceneParts = GetComponentsInChildren<AbsScenePart>(true);
            foreach (var part in _absSceneParts)
            {
                part.Init(timeOfDay, weather);
            }

            _curTime = timeOfDay;
            _curWeather = weather;
            _isInitialized = true;
        }

        public void SetTimeOfDay(TimesOfDay timeOfDay)
        {
            foreach (var part in _absSceneParts)
            {
                part.OnTimeChange(timeOfDay);
            }

            _curTime = timeOfDay;
        }

        public void SetWeather(Weather weather)
        {
            foreach (var part in _absSceneParts)
            {
                part.OnWeatherChange(weather);
            }

            _curWeather = weather;
        }

        public void ControlSinglePart(string partName, string action)
        {
            if (_animatorDict.TryGetValue(partName, out var animator))
            {
                animator.Play(action);
            }
            else
            {
                Debug.Log($"{partName}不存在");
            }
        }
    }

    public static class EnvironmentYarnCommand
    {
        [YarnCommand("init_environment")]
        public static void InitEnvironment(string timeOfDay, string weatherType = "Sunny")
        {
            if (!Enum.TryParse<TimesOfDay>(timeOfDay, out var time))
            {
                Debug.Log($"{timeOfDay}是不存在的时间");
                return;
            }

            if (!Enum.TryParse<Weather>(weatherType, out var weather))
            {
                Debug.Log($"{weatherType}是不存在的天气");
                return;
            }

            EnvironmentManager.Instance.InitEnvironment(time, weather);
        }

        [YarnCommand("set_time_of_day")]
        public static void SetTimeOfDay(string timeOfDay)
        {
            if (!Enum.TryParse<TimesOfDay>(timeOfDay, out var time))
            {
                Debug.Log($"{timeOfDay}是不存在的时间");
                return;
            }

            EnvironmentManager.Instance.SetTimeOfDay(time);
        }

        [YarnCommand("set_weather")]
        public static void SetWeather(string weatherType)
        {
            if (!Enum.TryParse<Weather>(weatherType, out var weather))
            {
                Debug.Log($"{weatherType}是不存在的天气");
                return;
            }

            EnvironmentManager.Instance.SetWeather(weather);
        }

        [YarnCommand("control_single_part")]
        public static void ControlSinglePart(string partName, string action)
        {
            EnvironmentManager.Instance.ControlSinglePart(partName, action);
        }
    }
}