using MetaAssets;
using ServerCommon;
using ServerCore; using ServerBase;
using META_ID = System.UInt32;

namespace GameServer
{
    public class SeasonPassManager : EntityBase
    {
        private List<SeasonPassMetaData> seasonPassList = new();
        public META_ID currentSeasonPass { get; private set; } = 0;

        public SeasonPassManager() 
            : base(EntityType.SeasonPassManager)
        {
        }
        
        public Result Init()
        {
            var result = new Result();

            var current_time = DateTimeHelper.Current;

            var season_pass_meta_datas = MetaData.Instance.SeasonPassMetaData;
            int new_season_pass_metaid = 0;

            foreach (var meta_data in season_pass_meta_datas)
            {
                if (meta_data.Value.EndTime < current_time)
                {
                    continue;
                }

                seasonPassList.Add(meta_data.Value);

                if (new_season_pass_metaid == 0 && meta_data.Value.StartTime < current_time && meta_data.Value.EndTime > current_time)
                {
                    new_season_pass_metaid = meta_data.Value.Id;
                }
            }

            currentSeasonPass = (META_ID)new_season_pass_metaid;

            return result;
        }

        private META_ID getNewSeasonPassId()
        {
            var current_time = DateTimeHelper.Current;

            int new_season_pass_metaid = 0;

            var to_remove_season_passs_meta_datas = new List<SeasonPassMetaData>();

            foreach (var meta_data in seasonPassList)
            {
                if (meta_data.EndTime < current_time)
                {
                    to_remove_season_passs_meta_datas.Remove(meta_data);
                }

                if (new_season_pass_metaid == 0 && meta_data.StartTime < current_time && meta_data.EndTime > current_time)
                {
                    new_season_pass_metaid = meta_data.Id;
                }
            }

            foreach (var meta_data in to_remove_season_passs_meta_datas)
            {
                seasonPassList.Remove(meta_data);
            }

            return (META_ID)new_season_pass_metaid;
        }

        public (bool,META_ID) updateNewSeason()
        {
            META_ID old_season_pass = currentSeasonPass;
            currentSeasonPass = getNewSeasonPassId();

            if(old_season_pass != currentSeasonPass)
            {
                return (true, currentSeasonPass);
            }

            return (false, currentSeasonPass);
        }
    }
}