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* Copyright (c) 2015, Salesforce.com, Inc.
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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'use strict'; var Store = require('./store').Store; var permuteDomain = require('./permuteDomain').permuteDomain; var pathMatch = require('./pathMatch').pathMatch; var util = require('util');

function MemoryCookieStore() {

Store.call(this);
this.idx = {};

} util.inherits(MemoryCookieStore, Store); exports.MemoryCookieStore = MemoryCookieStore; MemoryCookieStore.prototype.idx = null;

// Since it's just a struct in RAM, this Store is synchronous MemoryCookieStore.prototype.synchronous = true;

// force a default depth: MemoryCookieStore.prototype.inspect = function() {

return "{ idx: "+util.inspect(this.idx, false, 2)+' }';

};

// Use the new custom inspection symbol to add the custom inspect function if // available. if (util.inspect.custom) {

MemoryCookieStore.prototype[util.inspect.custom] = MemoryCookieStore.prototype.inspect;

}

MemoryCookieStore.prototype.findCookie = function(domain, path, key, cb) {

if (!this.idx[domain]) {
  return cb(null,undefined);
}
if (!this.idx[domain][path]) {
  return cb(null,undefined);
}
return cb(null,this.idx[domain][path][key]||null);

};

MemoryCookieStore.prototype.findCookies = function(domain, path, cb) {

var results = [];
if (!domain) {
  return cb(null,[]);
}

var pathMatcher;
if (!path) {
  // null means "all paths"
  pathMatcher = function matchAll(domainIndex) {
    for (var curPath in domainIndex) {
      var pathIndex = domainIndex[curPath];
      for (var key in pathIndex) {
        results.push(pathIndex[key]);
      }
    }
  };

} else {
  pathMatcher = function matchRFC(domainIndex) {
     //NOTE: we should use path-match algorithm from S5.1.4 here
     //(see : https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/canonical_cookie.cc#L299)
     Object.keys(domainIndex).forEach(function (cookiePath) {
       if (pathMatch(path, cookiePath)) {
         var pathIndex = domainIndex[cookiePath];

         for (var key in pathIndex) {
           results.push(pathIndex[key]);
         }
       }
     });
   };
}

var domains = permuteDomain(domain) || [domain];
var idx = this.idx;
domains.forEach(function(curDomain) {
  var domainIndex = idx[curDomain];
  if (!domainIndex) {
    return;
  }
  pathMatcher(domainIndex);
});

cb(null,results);

};

MemoryCookieStore.prototype.putCookie = function(cookie, cb) {

if (!this.idx[cookie.domain]) {
  this.idx[cookie.domain] = {};
}
if (!this.idx[cookie.domain][cookie.path]) {
  this.idx[cookie.domain][cookie.path] = {};
}
this.idx[cookie.domain][cookie.path][cookie.key] = cookie;
cb(null);

};

MemoryCookieStore.prototype.updateCookie = function(oldCookie, newCookie, cb) {

// updateCookie() may avoid updating cookies that are identical.  For example,
// lastAccessed may not be important to some stores and an equality
// comparison could exclude that field.
this.putCookie(newCookie,cb);

};

MemoryCookieStore.prototype.removeCookie = function(domain, path, key, cb) {

if (this.idx[domain] && this.idx[domain][path] && this.idx[domain][path][key]) {
  delete this.idx[domain][path][key];
}
cb(null);

};

MemoryCookieStore.prototype.removeCookies = function(domain, path, cb) {

if (this.idx[domain]) {
  if (path) {
    delete this.idx[domain][path];
  } else {
    delete this.idx[domain];
  }
}
return cb(null);

};

MemoryCookieStore.prototype.removeAllCookies = function(cb) {

this.idx = {};
return cb(null);

}

MemoryCookieStore.prototype.getAllCookies = function(cb) {

var cookies = [];
var idx = this.idx;

var domains = Object.keys(idx);
domains.forEach(function(domain) {
  var paths = Object.keys(idx[domain]);
  paths.forEach(function(path) {
    var keys = Object.keys(idx[domain][path]);
    keys.forEach(function(key) {
      if (key !== null) {
        cookies.push(idx[domain][path][key]);
      }
    });
  });
});

// Sort by creationIndex so deserializing retains the creation order.
// When implementing your own store, this SHOULD retain the order too
cookies.sort(function(a,b) {
  return (a.creationIndex||0) - (b.creationIndex||0);
});

cb(null, cookies);

};