using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Reflection;
using GC_McExt.Logging;

namespace GC_McExt.Configuration
{
    public sealed class SettingsReader
    {
        private string[] configuration;

        public SettingsReader(string file)
        {
			using (StreamReader reader = new StreamReader(file))
			{
				configuration = reader.ReadToEnd().Split('\n');
				reader.Close();
			}
        }

        public string GetSetting(string section, string key)
        {
            bool isSeekingConfiguration = false;
            string value = "";

            foreach (string line in configuration)
            {
                //Discard commented settings on the file.
                if (line.StartsWith(";")) continue;

                if (!isSeekingConfiguration)
                {
                    if (line.StartsWith(string.Format("[{0}]", section)))
                        isSeekingConfiguration = true;
                }
                else
                {
                    //Reaching another section means that the key doesn't exist.
                    if (line.StartsWith("["))
                        break;

                    string searchKey = string.Format("{0}=", key);
                    if (line.StartsWith(searchKey))
                    {
                        value = line.Remove(0, searchKey.Length).Trim();
                    }
                }
            }

            return value;
        }

        public Dictionary<string, string> GetSection(string section)
        {
            bool isSeekingConfiguration = false;
            Dictionary<string, string> dictionary = new Dictionary<string,string>();

            foreach (string line in configuration)
            {
                //Discard commented settings on the file.
                if (line.StartsWith(";")) continue;

                if (!isSeekingConfiguration)
                {
                    if (line.StartsWith(string.Format("[{0}]", section)))
                        isSeekingConfiguration = true;
                }
                else
                {
                    //Reaching another section means that the key doesn't exist.
                    if (line.StartsWith("["))
                        break;

                    if (!string.IsNullOrEmpty(line)) {

                        //We only read settings that have a key with atleast 1 character in the
                        //name...
                        if (line.IndexOf('=') > 0)
                        {
                            string key = line.Substring(0, line.IndexOf('='));
                            string value = line.Substring(line.IndexOf('='));

                            dictionary.Add(key,value);
                        }
                    }                    
                }
            }

            return dictionary;
        }
    }
}