(function ($) {
module("Backend");

var dataProxyData = {
  "data": [
    [
    "1", 
  "1950-01", 
  "34.73"
    ], 
  [
    "2", 
  "1950-02", 
  "34.73"
    ], 
  [
    "3", 
  "1950-03", 
  "34.73"
    ], 
  [
    "4", 
  "1950-04", 
  "34.73"
    ], 
  [
    "5", 
  "1950-05", 
  "34.73"
    ], 
  [
    "6", 
  "1950-06", 
  "34.73"
    ], 
  [
    "7", 
  "1950-07", 
  "34.73"
    ], 
  [
    "8", 
  "1950-08", 
  "34.73"
    ], 
  [
    "9", 
  "1950-09", 
  "34.73"
    ], 
  [
    "10", 
  "1950-10", 
  "34.73"
    ]
    ], 
  "fields": [
    "__id__", 
  "date", 
  "price"
    ], 
  "length": null, 
  "max_results": 10, 
  "url": "http://webstore.thedatahub.org/rufuspollock/gold_prices/data.csv"
};

test('DataProxy Backend', function() {
  // needed only if not stubbing
  // stop();
  var backend = new recline.Backend.DataProxy.Backbone();
  ok(backend.readonly);
  equal(backend.__type__, 'dataproxy');

  var dataset = new recline.Model.Dataset({
      url: 'http://webstore.thedatahub.org/rufuspollock/gold_prices/data.csv'
    },
    backend
  );

  var stub = sinon.stub($, 'ajax', function(options) {
    var partialUrl = 'jsonpdataproxy.appspot.com';
    if (options.url.indexOf(partialUrl) != -1) {
      return {
        done: function(callback) {
          callback(dataProxyData);
          return this;
        }, 
        fail: function() {
          return this;
        }
      }
    }
  });

  dataset.fetch().done(function(dataset) {
    dataset.query().done(function(docList) {
      deepEqual(['__id__', 'date', 'price'], _.pluck(dataset.fields.toJSON(), 'id'));
      equal(null, dataset.docCount)
      equal(10, docList.length)
      equal("1950-01", docList.models[0].get('date'));
      // needed only if not stubbing
      start();
    });
  });
  $.ajax.restore();
});


var sample_gdocs_spreadsheet_data = {
  "feed": {
    "category": [
    {
      "term": "http://schemas.google.com/spreadsheets/2006#list", 
      "scheme": "http://schemas.google.com/spreadsheets/2006"
    }
    ], 
      "updated": {
        "$t": "2010-07-12T18:32:16.200Z"
      }, 
      "xmlns": "http://www.w3.org/2005/Atom", 
      "xmlns$gsx": "http://schemas.google.com/spreadsheets/2006/extended", 
      "title": {
        "$t": "Sheet1", 
        "type": "text"
      }, 
      "author": [
      {
        "name": {
          "$t": "okfn.rufus.pollock"
        }, 
        "email": {
          "$t": "okfn.rufus.pollock@gmail.com"
        }
      }
    ], 
      "openSearch$startIndex": {
        "$t": "1"
      }, 
      "link": [
      {
        "href": "http://spreadsheets.google.com/pub?key=0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc", 
        "type": "text/html", 
        "rel": "alternate"
      }, 
      {
        "href": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values", 
        "type": "application/atom+xml", 
        "rel": "http://schemas.google.com/g/2005#feed"
      }, 
      {
        "href": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values?alt=json-in-script", 
        "type": "application/atom+xml", 
        "rel": "self"
      }
    ], 
      "xmlns$openSearch": "http://a9.com/-/spec/opensearchrss/1.0/", 
      "entry": [
      {
        "category": [
        {
          "term": "http://schemas.google.com/spreadsheets/2006#list", 
          "scheme": "http://schemas.google.com/spreadsheets/2006"
        }
        ], 
          "updated": {
            "$t": "2010-07-12T18:32:16.200Z"
          }, 
          "gsx$column-2": {
            "$t": "1"
          }, 
          "gsx$column-1": {
            "$t": "A"
          }, 
          "title": {
            "$t": "A", 
            "type": "text"
          }, 
          "content": {
            "$t": "column-2: 1", 
            "type": "text"
          }, 
          "link": [
          {
            "href": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cokwr", 
            "type": "application/atom+xml", 
            "rel": "self"
          }
        ], 
          "id": {
            "$t": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cokwr"
          }
      }, 
      {
        "category": [
        {
          "term": "http://schemas.google.com/spreadsheets/2006#list", 
          "scheme": "http://schemas.google.com/spreadsheets/2006"
        }
        ], 
          "updated": {
            "$t": "2010-07-12T18:32:16.200Z"
          }, 
          "gsx$column-2": {
            "$t": "2"
          }, 
          "gsx$column-1": {
            "$t": "b"
          }, 
          "title": {
            "$t": "b", 
            "type": "text"
          }, 
          "content": {
            "$t": "column-2: 2", 
            "type": "text"
          }, 
          "link": [
          {
            "href": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cpzh4", 
            "type": "application/atom+xml", 
            "rel": "self"
          }
        ], 
          "id": {
            "$t": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cpzh4"
          }
      }, 
      {
        "category": [
        {
          "term": "http://schemas.google.com/spreadsheets/2006#list", 
          "scheme": "http://schemas.google.com/spreadsheets/2006"
        }
        ], 
          "updated": {
            "$t": "2010-07-12T18:32:16.200Z"
          }, 
          "gsx$column-2": {
            "$t": "3"
          }, 
          "gsx$column-1": {
            "$t": "c"
          }, 
          "title": {
            "$t": "c", 
            "type": "text"
          }, 
          "content": {
            "$t": "column-2: 3", 
            "type": "text"
          }, 
          "link": [
          {
            "href": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cre1l", 
            "type": "application/atom+xml", 
            "rel": "self"
          }
        ], 
          "id": {
            "$t": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values/cre1l"
          }
      }
    ], 
      "openSearch$totalResults": {
        "$t": "3"
      }, 
      "id": {
        "$t": "http://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values"
      }
  }, 
  "version": "1.0", 
  "encoding": "UTF-8"
}

test("GDocs Backend", function() { 
  var backend = new recline.Backend.GDocs.Backbone();
  var dataset = new recline.Model.Dataset({
      url: 'https://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values?alt=json'
    },
    backend
  );

  var stub = sinon.stub($, 'getJSON', function(options, cb) {
    var partialUrl = 'spreadsheets.google.com';
    if (options.indexOf(partialUrl) != -1) {
      cb(sample_gdocs_spreadsheet_data)
    }
  });

  dataset.query().then(function(docList) {
    deepEqual(['column-2', 'column-1'], _.pluck(dataset.fields.toJSON(), 'id'));
    equal(3, docList.length);
    equal("A", docList.models[0].get('column-1'));
  });
  $.getJSON.restore();
});

test("GDocs Backend.getUrl", function() { 
  var key = 'Abc_dajkdkjdafkj';
  var url = 'https://docs.google.com/spreadsheet/ccc?key=' + key + '#gid=0'
  var out = recline.Backend.GDocs.getSpreadsheetAPIUrl(url);
  var exp = 'https://spreadsheets.google.com/feeds/list/' + key + '/1/public/values?alt=json'
  equal(exp, out);
});

})(this.jQuery);