using System.IO;
using System.Xml.Serialization;
using Newtonsoft.Json;

namespace Global.API.Util
{
    public static class FileUtils
    {
        public static void WriteToJsonFile<T>(string filePath, T objectToWrite, bool append = false) where T : new()
        {
            TextWriter writer = null;
            try
            {
                var contentsToWriteToFile = JsonConvert.SerializeObject(objectToWrite, Formatting.Indented);
                writer = new StreamWriter(filePath, append);
                writer.Write(contentsToWriteToFile);
            }
            finally
            {
                writer?.Close();
            }
        }

        public static T ReadFromJsonFile<T>(string filePath) where T : new()
        {
            TextReader reader = null;
            try
            {
                reader = new StreamReader(filePath);
                var fileContents = reader.ReadToEnd();
                return JsonConvert.DeserializeObject<T>(fileContents);
            }
            finally
            {
                reader?.Close();
            }
        }

        public static void WriteToXmlFile<T>(string filePath, T objectToWrite, bool append = false) where T : new()
        {
            TextWriter writer = null;
            try
            {
                var serializer = new XmlSerializer(typeof(T));
                writer = new StreamWriter(filePath, append);
                serializer.Serialize(writer, objectToWrite);
            }
            finally
            {
                if (writer != null)
                    writer.Close();
            }
        }

        public static T ReadFromXmlFile<T>(string filePath) where T : new()
        {
            TextReader reader = null;
            try
            {
                var serializer = new XmlSerializer(typeof(T));
                reader = new StreamReader(filePath);
                return (T)serializer.Deserialize(reader);
            }
            finally
            {
                if (reader != null)
                    reader.Close();
            }
        }
    }
}