using System.Collections.Generic;
using System.IO;
using System.IO.Enumeration;
using ln.json;
using ln.logging;

namespace ln.build.secrets
{
    public class SecretStorage
    {
        public string FileName { get; }
        Dictionary<string,string> secrets = new Dictionary<string, string>();

        public SecretStorage(string filename)
        {
            FileName = filename;
            LoadSecrets();
        }

        void LoadSecrets()
        {
            lock (this)
            {
                Logging.Log(LogLevel.INFO, "loading secrets from {0}", FileName);
                if (File.Exists(FileName))
                {
                    JSONObject secretsObject = JSONParser.ParseFile(FileName) as JSONObject;
                    foreach (string key in secretsObject.Keys)
                    {
                        //Logging.Log(LogLevel.INFO, "loading secret {0}", key);
                        secrets.Add(key, secretsObject[key].ToNative().ToString());
                    }
                }
            }
        }

        public string GetSecret(string key)
        {
            //Logging.Log(LogLevel.INFO, "trying to fetch secret for: [{0}]", key);
            TryGetSecret(key, out string secret);
            return secret;
        }
        public bool TryGetSecret(string key, out string secret){
            //Logging.Log(LogLevel.INFO, "trying to fetch secret for: [{0}]", key);
            bool success = secrets.TryGetValue(key, out secret);
            //Logging.Log(LogLevel.INFO, "{1} to fetch secret for: [{0}]", key, success ? "succeded" : "failed");
            return success;
        }
    }
}