function objTypeOf(object){
  return Object.prototype.toString.call(object).split(" ")[1].slice(0,-1)
}

function getPrimitive(object){
  return (objTypeOf(object)=='Array')?object[0]:object;
}

function makeArray(input) {
  return (objTypeOf(input)=="Array")?input:[input];
}

function copy(a) {
  if (!typeof(a) == "object") return a;
  if (objTypeOf(a) == "Array") return a.slice();
  if (objTypeOf(a) == "Object") {
    var b = {};
    for (var v in a) {
      b[v] = copy(a[v]);
    }
    return b;
  }
  return a;
}

function formatInput(args,format,images) {
  var json_q = {};
  var format_i = format;
  if (format == "+")
    format = ['string_a', 'o_object'];
  else if (format == "-")
    format = ['number_a'];
  else if (format == "^")
    format = ['number', 'string', 'o_object'];
  else if (format == "r")
    format = ['o_number'];
  else if (format == "l")
    format = ['string','o_function'];
    

  if(format[format.length-1] == "o_object") {
    if(objTypeOf(args[args.length-1]) != "Object")
      args.push({});
  }
  else if (format[format.length-1] == "o_number") {
    if(typeof(args[args.length-1]) != "number" && objTypeOf(args[0])!="Object")
      args.push(1);
  }
  else if (format[format.length-1] == "o_function") {
    if(objTypeOf(args[args.length-1]) != "Function" && objTypeOf(args[0])!="Object")
      args.push(function(){});
  }


  if(args.length == format.length) {//making of arrays
    for (var i in format) {
      if (format[i].substr(format[i].length-2,2)=="_a")
        args[i] = makeArray(args[i]);
    }
  }

  if (args.length == 1 ) {
    if(format_i == "r") json_q = {0:copy(args[0])};
    else if(format_i == "-") {
      json_q=[];
      json_q= copy(args[0]);
    }
  }
  else if (format_i == "r" ) {
    for (var img in args[0]) json_q = {0:args[0]};
  }
  else if (format_i == "l") {
    json_q = {
      image: args[0],
      callback: args[1]
    }
  }
  else {
      json_q = [];
      if(format_i == "+") {
        for(var s in args[0]) {
          json_q.push({
            name: args[0][s],
            o: args[1]
          });
        }
      }


      if(format_i == "^") {
        var size = this.steps.length;
        var index = args[0];
        index = (index==size)?index:index%size;
        if (index<0) index += size+1;
        json_q.push({
          index: index,
          name: args[1],
          o: args[2]
        });

    }
  }

  return json_q;

}
module.exports = formatInput;