namespace Lux.Report.Data.Services
{
    /// <summary>
    /// Gestione IO File-based
    /// </summary>
    public class FileService : IFileService
    {
        #region Public Constructors

        public FileService(IConfiguration config)
        {
            _config = config;
            basePath = _config.GetValue<string>("ServerConf:FileSharePath") ?? "unsafe_uploads";
        }

        #endregion Public Constructors

        #region Public Methods

        /// <inheritdoc />
        public int CountFile(string folderPath, string pattern, bool hideDot)
        {
            int answ = 0;
            if (!string.IsNullOrEmpty(folderPath))
            {
                // calcolo path file...
                string dirPath = Path.Combine(basePath, folderPath);
                // se esiste...
                if (Directory.Exists(dirPath))
                {
                    var fFound = Directory.GetFiles(dirPath, pattern);
                    if (hideDot)
                    {
                        answ = fFound
                                    .Where(path => !Path.GetFileName(path).StartsWith("."))
                                    .Count();
                    }
                    else
                    {
                        answ = fFound.Count();
                    }
                }
            }
            return answ;
        }

        /// <inheritdoc />
        public bool FileCopy(string origPath, string destPath)
        {
            bool done = false;

            string fullPathFrom = Path.Combine(basePath, origPath);
            if (File.Exists(fullPathFrom))
            {
                string fullPathTo = Path.Combine(basePath, destPath);
                File.Copy(fullPathFrom, fullPathTo, true);
                done = File.Exists(fullPathTo);
            }
            return done;
        }

        /// <inheritdoc />
        public bool FileDelete(string origPath)
        {
            bool done = false;

            string fullPathFrom = Path.Combine(basePath, origPath);
            if (File.Exists(fullPathFrom))
            {
                File.Delete(fullPathFrom);
                done = !File.Exists(fullPathFrom);
            }
            return done;
        }

        /// <inheritdoc />
        public bool FileExists(string filePath)
        {
            // calcolo path file...
            string fullPath = Path.Combine(basePath, filePath);
            return File.Exists(fullPath);
        }

        /// <inheritdoc />
        public bool FolderExists(string folderPath)
        {
            // calcolo path file...
            string fullPath = Path.Combine(basePath, folderPath);
            return Directory.Exists(fullPath);
        }

        /// <inheritdoc />
        public List<string> ListFile(string folderPath, string pattern, bool hideDot)
        {
            List<string> answ = new();
            if (!string.IsNullOrEmpty(folderPath))
            {
                // calcolo path file...
                string dirPath = Path.Combine(basePath, folderPath);
                // se esiste...
                if (Directory.Exists(dirPath))
                {
                    var rawList = Directory.GetFiles(dirPath, pattern).ToList();
                    if (hideDot)
                    {
                        answ = rawList
                                    .Where(path => !Path.GetFileName(path).StartsWith("."))
                                    .ToList();
                    }
                    else
                    {
                        answ = rawList;
                    }
                }
            }
            return answ;
        }

        /// <inheritdoc />
        public byte[] ReadAllBytes(string filePath)
        {
            string fullPath = Path.Combine(basePath, filePath);
            var rawData = File.ReadAllBytes(fullPath);
            return rawData;
        }

        #endregion Public Methods

        #region Private Fields

        private static Logger Log = LogManager.GetCurrentClassLogger();
        private IConfiguration _config;

        /// <summary>
        /// Base path x network share files
        /// </summary>
        private string basePath = "unsafe_uploads";

        #endregion Private Fields
    }
}