using System;
using ln.type.rpc;

namespace ln.json.mapping
{
    public class JSONRPCCallMapping : JSONMapping
    {
        public JSONRPCCallMapping()
            :base(typeof(RPCCall))
        {
        }

        public override object FromJson(JSONMapper mapper, JSONValue jsonValue)
        {
            JSONObject json = jsonValue as JSONObject;
            RPCCall call = new RPCCall();

            if (json.ContainsKey("id"))
            {
                call.Identifier = json["id"].ToNative();
            }
            else
            {
                call.Identifier = Guid.NewGuid();
            }

            if (json.ContainsKey("module"))
                call.ModuleName = JSONMapper.DefaultMapper.FromJson<string>(json["module"]);

            if (json.ContainsKey("method"))
                call.MethodName = JSONMapper.DefaultMapper.FromJson<string>(json["method"]);

            if (json.ContainsKey("parameters"))
                call.Parameters = JSONMapper.DefaultMapper.FromJson<object[]>(json["parameters"]);
            else
                call.Parameters = new object[0];

            return call;
        }
    }
}