// Copyright (c) 2017- schick Informatik
// Description: Helper class for customs data serialization
//

using bsmd.database.EasyPeasy;
using System;
using System.IO;
using System.Xml.Serialization;

namespace ENI2.Util
{
    public static class EasyPeasyState
    {
        private static readonly string Root = Path.Combine(
            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
            "EasyPeasy");
        private static readonly string StatePath = Path.Combine(Root, "state.xml");

        public static ProofRequest LoadOrCreate()
        {
            try
            {
                if (File.Exists(StatePath))
                {
                    using (var fs = File.OpenRead(StatePath))
                    {
                        var ser = new XmlSerializer(typeof(ProofRequest));
                        return (ProofRequest)ser.Deserialize(fs);
                    }
                }
            }
            catch { /* swallow & create new */ }

            return CreateDefault();
        }

        public static void Save(ProofRequest data)
        {
            Directory.CreateDirectory(Root);
            using (var fs = File.Create(StatePath))
            {
                var ser = new XmlSerializer(typeof(ProofRequest));
                ser.Serialize(fs, data);
            }
        }

        public static ProofRequest CreateDefault()
        {
            return new ProofRequest
            {
                ProofInformationT2LT2LF = new ProofInformationT2LT2LF
                {
                    RequestedValidityOfTheProof = new RequestedValidityOfTheProof(),
                    GoodsShipmentForT2LT2LF = new GoodsShipmentForT2LT2LF
                    {
                        LocationOfGoods = new LocationOfGoods(),
                        TransportDocuments = new TransportDocuments()
                    }
                }
            };
        }
    }
}