using HotelPms.Share.IO;
using HotelPms.Share.Util;
using System.Text;

namespace HotelPms.WinForm.Common.Util
{
    public class Config : DictionarySetting
    {
        public enum SettingKey : int
        {
            HostName,
            DBName,
            UserID,
            Password,
        }

        private static Config? m_Instance;
        public static Config? Instance 
        { 
            get 
            {
                if (m_Instance == null) { Initialize(); }
                return m_Instance; 
            } 
        }

        public string Get(SettingKey key)
        {
            return GetValue(key.ToString());
        }

        public void Set(SettingKey key, string value)
        {
            SetValue(key.ToString(), value);
        }

        /// <summary>
        /// アプリケーションの初期化
        /// </summary>
        /// <returns></returns>
        private static bool Initialize()
        {
            try
            {
                m_Instance = new Config();
                m_Instance.FileName = Application.StartupPath + @"Config.json";
                m_Instance.Load();
                return true;
            }
            catch (Exception ex)
            {
                OperationLog.Instance.WriteLog($"Config.Initialize異常エラー：{ex.Message}");
                return false;
            }
        }

        public override void SetDefault()
        {
            if (!Data.ContainsKey(SettingKey.HostName.ToString())) { Data.Add(SettingKey.HostName.ToString(), "localhost"); }
            if (!Data.ContainsKey(SettingKey.DBName.ToString())) { Data.Add(SettingKey.DBName.ToString(), "HotelPms"); }
            if (!Data.ContainsKey(SettingKey.UserID.ToString())) { Data.Add(SettingKey.UserID.ToString(), "sa"); }
            if (!Data.ContainsKey(SettingKey.Password.ToString())) { Data.Add(SettingKey.Password.ToString(), "oatcti"); }
        }

        public override string ToString()
        {
            StringBuilder text = new StringBuilder();
            foreach (KeyValuePair<string, string> item in Data)
            {
                text.AppendLine($"{item.Key}={item.Value}");
            }
            return text.ToString();
        }
    }
}