using System;
using System.IO;
using System.Text;
using System.Reflection;
using System.Runtime.InteropServices;

namespace Holo
{
    /// <summary>
    /// Provides file, environment and minor string manipulation actions.
    /// </summary>
    public static class IO
    {
        /// <summary>
        /// Returns the directory of the executeable (without backslash at end) as a string.
        /// </summary>
        public static string workingDirectory
        {
            get
            {
                return Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase).Substring(6);
            }
        }
        /// <summary>
        /// Returns the value of a private profile string in a textfile as a string.
        /// </summary>
        /// <param name="iniSection">The section where the value is located in.</param>
        /// <param name="iniKey">The key of the value.</param>
        /// <param name="iniLocation">The location of the textfile.</param>
        public static string Read(string key)
        {
            string[] lines = File.ReadAllLines(workingDirectory + "\\bin\\mysql.ini");

            foreach (string line in lines)
            {
                if (line.Split('=')[0] == key)
                    return line.Split('=')[1];
            }
            return "";
        }
        /// <summary>
        /// Updates a value of a key in a textfile using WritePrivateProfileString.
        /// </summary>
        /// <param name="iniSection">The section where the key to update is located in.</param>
        /// <param name="iniKey">The key to update.</param>
        /// <param name="iniValue">The new value for the key.</param>
        /// <param name="iniLocation">The location of the textfile.</param>
        public static void Write(string key, string value)
        {
            StreamWriter tr = File.AppendText(workingDirectory + "\\bin\\mysql.ini");

            tr.Write(key + "=" + value + Environment.NewLine);
            tr.Close();
        }
        /// <summary>
        /// Returns a bool, which indicates if the specified path leads to a file.
        /// </summary>
        /// <param name="fileLocation">The full location of the file.</param>
        public static bool fileExists(string fileLocation)
        {
            return File.Exists(fileLocation);
        }
        public static void createINI()
        {
            Directory.CreateDirectory(workingDirectory + "\\bin");
            FileStream file = File.Create(workingDirectory + "\\bin\\mysql.ini");
            file.Close();
        }
    }
}