/*jslint indent: 2, nomen: true, maxlen: 100, white: true, plusplus: true, unparam: true */
/*global require, applicationContext*/

////////////////////////////////////////////////////////////////////////////////
/// @brief A Foxx.Controller to show all Foxx Applications
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2013 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 triAGENS GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

"use strict";

// Initialise a new FoxxController called controller under the urlPrefix: "foxxes".
var FoxxController = require("org/arangodb/foxx").Controller,
  controller = new FoxxController(applicationContext),
  ArangoError = require("org/arangodb").ArangoError,
  underscore = require("underscore");
  
var foxxes = new (require("lib/foxxes").Foxxes)();
var docus = new (require("lib/swagger").Swagger)();
  

/** Fetch a foxx from temp folder
 *
 * Makes a foxx uploaded to the temp folder
 * available for mounting.
 */

controller.post("/foxxes/inspect", function (req, res) {
  var content = JSON.parse(req.requestBody),
    path = content.filename;
  res.json(foxxes.inspect(path));
}).errorResponse(ArangoError, 500, "No valid app");

// .............................................................................
// install
// .............................................................................

controller.put("/foxxes/install", function (req, res) {
  var content = JSON.parse(req.requestBody),
    name = content.name,
    mount = content.mount,
    version = content.version;
  res.json(foxxes.install(name, mount, version));
}).summary("Installs a new foxx")
  .notes("This function is used to install a new foxx.");
  
/** Uninstall a Foxx
 *
 * Uninstall the Foxx with the given key.
 */

controller.del("/foxxes/:key", function (req, res) {
  res.json(foxxes.uninstall(req.params("key")));
}).pathParam("key", {
  description: "The _key attribute, where the information of this Foxx-Install is stored.",
  type: "string",
  required: true,
  allowMultiple: false
}).summary("Uninstall a Foxx.")
  .notes("This function is used to uninstall a foxx.");
  
/** Update a Foxx
 *
 * Update the Foxx with the given information.
 */ 

controller.put("/foxxes/:key", function (req, res) {
  var content = JSON.parse(req.requestBody),
    active = content.active;
  // TODO: Other changes applied to foxx! e.g. Mount
  if (active) {
    res.json(foxxes.activate());
  } else {
    res.json(foxxes.deactivate());
  }
}).pathParam("key", {
  description: "The _key attribute, where the information of this Foxx-Install is stored.",
  type: "string",
  required: true,
  allowMultiple: false
}).summary("Update a foxx.")
  .notes("Used to either activate/deactivate a foxx, or change the mount point.");
  
/** Get the thubmail of a Foxx
 * 
 * Request the Thumbnail stored for a Foxx
 */

controller.get("/foxxes/thumbnail/:app", function (req, res) {
  res.transformations = [ "base64decode" ];
  res.body = foxxes.thumbnail(req.params("app"));

  // evil mimetype detection attempt...
  var start = require("internal").base64Decode(res.body.substr(0, 8));
  if (start.indexOf("PNG") !== -1) {
    res.contentType = "image/png";
  }
}).pathParam("app", {
  description: "The appname which is used to identify the foxx in the list of available foxxes.",
  type: "string",
  required: true,
  allowMultiple: false
}).summary("Get the thumbnail of a foxx.")
  .notes("Used to request the thumbnail of the given Foxx in order to display it on the screen.");
  
/** List all Foxxes
 *
 * Get a List of all Foxxes available and running
 *
 */
controller.get('/foxxes', function (req, res) {
  res.json(foxxes.viewAll());
}).summary("List of all foxxes.")
  .notes("This function simply returns the list of all running foxxes");
  
/** List available Documentation
 *
 * Get the list of all running Foxxes with links to their documentation
 */
controller.get('/docus', function (req, res) {
  res.json(docus.list(req.protocol + "://" + req.headers.host + "/_db/" + req.database + req.path + "/"));
}).summary("List documentation of all foxxes.")
  .notes("This function simply returns the list of all running"
       + " foxxes and supplies the paths for the swagger documentation");
/** Get Documentation for one Foxx
 *
 * Get the complete documentation availabloe for one Foxx
 *
 */

controller.get("/docu/:key",function (req, res) {
  var subPath = req.path.substr(0, req.path.lastIndexOf("[") - 1),
    key = req.params("key"),
    path = req.protocol + "://" + req.headers.host + "/_db/" + req.database + subPath + "/" + key + "/";
  res.json(docus.listOne(path, key));
}).summary("List documentation of all foxxes.")
  .notes("This function simply returns one specific"
       + " foxx and supplies the paths for the swagger documentation");
  
 /** Subroutes for API Documentation
  *
  * Get the Elements of the API Documentation subroutes
  *
  */
controller.get('/docu/:key/*', function(req, res) {
  var mountPoint = "";
    underscore.each(req.suffix, function(part) {
      mountPoint += "/" + part;
    });
  res.json(docus.show(mountPoint))
}).pathParam("appname", {
  description: "The mount point of the App the documentation should be requested for",
  type: "string",
  required: true,
  allowMultiple: false
}).summary("List the API for one foxx")
  .notes("This function lists the API of the foxx"
       + " running under the given mount point");

/** Move Foxx to other Mount
 *
 * Move a running Foxx from one mount point to another
 *
 */
controller.put('/foxx/move/:key', function(req, res) {
  var body = req.body();
  var mountPoint = body.mount;
  var app = body.app;
  var key = req.params("key");
  var prefix = body.prefix;
  var result = foxxes.move(key, app, mountPoint, prefix);
  if (result.error) {
    res.status(result.status);
    res.body = result.message;
    return;
  }
  res.json(result);
})
.summary("Move one foxx to another moint point")
  .notes ("This function moves one installed foxx"
    + " to a given mount point."); 

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