'use strict';

////////////////////////////////////////////////////////////////////////////////
/// @brief Foxx Swagger documentation
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2013 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2015, ArangoDB GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

var _ = require("lodash");
var internal = require("internal");

// Wraps the docs object of a route to add swagger compatible documentation
var SwaggerDocs = function (docs, models) {
  this.docs = docs;
  this.models = models;
};

SwaggerDocs.prototype.addPathParam = function (paramName, description, dataType, required) {
  this.docs.parameters.push({
    paramType: "path",
    name: paramName,
    description: description,
    dataType: dataType,
    required: required
  });
};

SwaggerDocs.prototype.addQueryParam = function (paramName, description, dataType, required, allowMultiple) {
  this.docs.parameters.push({
    paramType: "query",
    name: paramName,
    description: description,
    dataType: dataType,
    required: required,
    allowMultiple: allowMultiple
  });
};

SwaggerDocs.prototype.addBodyParam = function (paramName, description, jsonSchema) {

  var token = internal.genRandomAlphaNumbers(32);
  while (this.models[token]) {
    // Brute-force against random collisions
    token = internal.genRandomAlphaNumbers(32);
  }
  this.models[token] = jsonSchema;
  delete jsonSchema.id;

  var param = _.find(this.docs.parameters, function (parameter) {
    return parameter.name === 'undocumented body';
  });

  if (_.isUndefined(param)) {
    this.docs.parameters.push({
      name: paramName,
      paramType: "body",
      description: description,
      dataType: token
    });
  } else {
    param.name = paramName;
    param.description = description;
    param.dataType = token;
  }
};

SwaggerDocs.prototype.addSummary = function (summary) {
  this.docs.summary = summary;
};

SwaggerDocs.prototype.addNotes = function (notes) {
  this.docs.notes = notes;
};

exports.Docs = SwaggerDocs;