using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Database.Database;
using log4net;

namespace Common.Singleton
{
    public class CommonConfig
    {
        List<Config>? configs;

        private CommonConfig() { }

        private static CommonConfig? instance = null;
        public static CommonConfig Instance
        {
            get
            {
                if (instance == null)
                {
                    instance = new CommonConfig();
                }
                return instance;
            }
        }

        public void InitConfig(ILog log, ModelContext dbContext)
        {
            log.Info("INIT config");
            if (configs == null || configs.Count == 0)
            {
                configs = dbContext.Configs.ToList();
                log.Info("Total config: " + configs.Count);
            }
        }

        public List<Config>? GetConfig(string name)
        {
            if (configs != null && configs.Count > 0)
            {
                return configs.FindAll(x => x.ParamName == name);
            }
            return null;
        }

        public List<Config>? GetConfig(List<string> nameList)
        {
            if (configs != null && configs.Count > 0)
            {
                return configs.FindAll(x => nameList.Contains(x.ParamName));
            }
            return null;
        }
    }
}