using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace AibisDream
{
    [RequireComponent(typeof(Spawner))]
    public class SpawnScenePart : AbsScenePart
    {
        private Spawner _spawner;
        [SerializeField] private SpawnerPartAsset[] spawnerPartAssets;

        public override void Init(TimesOfDay time, Weather weather = Weather.Sunny)
        {
            _spawner = GetComponent<Spawner>();
            // 处理数据切换
            curWeather = weather;
            OnTimeChange(time);
            // 切换完成后再行初始化
            _spawner.Init();
        }

        public override void OnTimeChange(TimesOfDay time)
        {
            curTime = time;

            var timeArray = spawnerPartAssets.Where(item => item.time == time).ToArray();
            if (timeArray.Length == 0) return;
            var res = timeArray.DefaultIfEmpty(timeArray[0]).First(item => item.weather == curWeather);
            UpdateSpawner(res.mobileAddressData);
        }

        public override void OnWeatherChange(Weather weather)
        {
            curWeather = weather;

            var weatherArray = spawnerPartAssets.Where(item => item.weather == weather).ToArray();
            if (weatherArray.Length == 0) return;
            var res = weatherArray.DefaultIfEmpty(weatherArray[0]).First(item => item.time == curTime);
            UpdateSpawner(res.mobileAddressData);
        }

        private void UpdateSpawner(AddressArray[] addressArrays)
        {
            // 先把addressArray转为字典
            var dict = addressArrays.ToDictionary(addressArray => addressArray.itemName);
            // 处理Spawner
            var newData = _spawner.mobileObjectDatas.Select(item => UpdateSpawnerData(item, dict)).ToArray();
            _spawner.mobileObjectDatas = newData;
            // 处理下面的初始化物体
            var initObjects = GetComponentsInChildren<AbsMobileObject>();
            foreach (var initObject in initObjects)
            {
                initObject.mobileObjectData = UpdateSpawnerData(initObject.mobileObjectData, dict);
            }
        }

        private MobileObjectData UpdateSpawnerData(MobileObjectData mobileObjectData,
            Dictionary<string, AddressArray> addressDict)
        {
            if (addressDict.TryGetValue(mobileObjectData.itemName, out var partAsset))
            {
                mobileObjectData.assetAddressArray = partAsset.assetAddressArray;
            }

            return mobileObjectData;
        }
    }

    [Serializable]
    public struct SpawnerPartAsset
    {
        public TimesOfDay time;
        public Weather weather;
        public AddressArray[] mobileAddressData;
    }

    [Serializable]
    public struct AddressArray
    {
        public string itemName;
        public string[] assetAddressArray;
    }
}