// ==========================================================================
// Project:   Spanish.WordDataSource
// Copyright: ©2011 My Company, Inc.
// ==========================================================================
/*globals Spanish */

/** @class

  (Document Your Data Source Here)

  @extends SC.DataSource
*/
sc_require('models/word');
Spanish.WORDS_QUERY = SC.Query.local(Spanish.Word,{
  orderBy: 'word'
});

Spanish.WordDataSource = SC.DataSource.extend(
/** @scope Spanish.WordDataSource.prototype */ {

  // ..........................................................
  // QUERY SUPPORT
  //

  fetch: function(store, query) {
    if(query === Spanish.WORDS_QUERY){
      SC.Request.getUrl('/words').header({'Accept': 'application/json'}).json()
        .notify(this, 'didFetchWords', store, query)
        .send();
      return YES;
    }

    return NO ; // return YES if you handled the query
  },

  didFetchWords: function(response, store, query){
    if(SC.ok(response)){
      var storeKeys = store.loadRecords(Spanish.Word, response.get('body'));
      store.loadQueryResults(query, storeKeys);
    }else{
      store.dataSourceDidErrorQuery(query, response);
    }
  },

  // ..........................................................
  // RECORD SUPPORT
  //

  retrieveRecord: function(store, storeKey) {
    if(SC.kindOf(store.recordTypeFor(storeKey), Spanish.Word)){
      var url = '/words/' + store.idFor(storeKey);
      SC.Request.get(url).header({
        'Accept':'application/json'
      }).json()
        .notify(this, 'didRetrieveWord', store, storeKey)
        .send();
      return YES;
    }else{
      return NO ; // return YES if you handled the storeKey

    }

  },

  didRetrieveWord: function(response, store, storeKey){
    if(SC.ok(response)){
      var dataHash = response.get('body').content;
      store.dataSourceDidComplete(storeKey, dataHash);
    }else{
      store.dataSourceDidError(storeKey, response);
    }
  },

  createRecord: function(store, storeKey) {
    if (SC.kindOf(store.recordTypeFor(storeKey), Spanish.Word)) {

      SC.Request.postUrl('/words').header({
                  'Accept': 'application/json'
              }).json()
        .notify(this, "didCreateWord", store, storeKey)
        .send(store.readDataHash(storeKey));
      return YES;

    } else{
      return NO;
    }
  },

  didCreateWord: function(response, store, storeKey) {
    if (SC.ok(response)) {
      // Adapted from parseUri 1.2.2
      // (c) Steven Levithan <stevenlevithan.com>
      // MIT License
      var parser = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
      var url = parser.exec(response.header('Location'))[8];
      store.dataSourceDidComplete(storeKey, null, url); // update url

    } else store.dataSourceDidError(storeKey, response);
  },


  // ..........................................................
  // UPDATE RECORDS
  //

  updateRecord: function(store, storeKey) {
    if (SC.kindOf(store.recordTypeFor(storeKey), Spanish.Word)) {
      SC.Request.putUrl(store.idFor(storeKey)).header({
                  'Accept': 'application/json'
              }).json()
        .notify(this, this.didUpdateWord, store, storeKey)
        .send(store.readDataHash(storeKey));
      return YES;

    } else return NO ;
  },
  didUpdateWord: function(response, store, storeKey) {
    if (SC.ok(response)) {
      var data = response.get('body');
      if (data) data = data.content; // if hash is returned; use it.
      store.dataSourceDidComplete(storeKey, data) ;

    } else store.dataSourceDidError(storeKey);
  },

  // ..........................................................
  // DESTROY RECORDS
  //

  destroyRecord: function(store, storeKey) {
    if (SC.kindOf(store.recordTypeFor(storeKey), Spanish.Word)) {
      SC.Request.deleteUrl(store.idFor(storeKey)).header({
                  'Accept': 'application/json'
              }).json()
        .notify(this, this.didDestroyWord, store, storeKey)
        .send();
      return YES;

    } else return NO;
  },
  didDestroyWord: function(response, store, storeKey) {
    if (SC.ok(response)) {
      store.dataSourceDidDestroy(storeKey);
    } else store.dataSourceDidError(response);
  }
}) ;