using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;

namespace Shuttle.Api.PhotoshopDTO
{
    public class TargaBitsPerPixelsConverter : JsonConverter
    {
        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            TargaBitsPerPixels bpp = (TargaBitsPerPixels) value;

            switch (bpp)
            {
                case TargaBitsPerPixels.SIXTEEN:
                    writer.WriteValue("TargaBitsPerPixels.SIXTEEN");
                    break;
                case TargaBitsPerPixels.THIRTYTWO:
                    writer.WriteValue("TargaBitsPerPixels.THIRTYTWO");
                    break;
                case TargaBitsPerPixels.TWENTYFOUR:
                    writer.WriteValue("TargaBitsPerPixels.TWENTYFOUR");
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            var enumString = (string) reader.Value;
            return Enum.Parse(typeof(TargaBitsPerPixels), enumString, true);

        }

        public override bool CanConvert(Type objectType)
        {
            return objectType == typeof(string);
        }
    }

    public enum TargaBitsPerPixels
    {
        SIXTEEN,
        THIRTYTWO,
        TWENTYFOUR
    }

    public struct TargaSaveOptionsDTO
    {
        [JsonProperty("alphaChannels")]
        public bool AlphaChannels { get; set; }

        [JsonProperty("resolution")]
        [JsonConverter(typeof(TargaBitsPerPixelsConverter))]
        public TargaBitsPerPixels Resolution { get; set; }

        [JsonProperty("rleCompression")]
        public bool RleCompression { get; set; }
    }
}