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

test('Memory Backend', function () {
  var datasetId = 'test-dataset';
  var inData = {
    metadata: {
      title: 'My Test Dataset'
      , name: '1-my-test-dataset' 
      , id: datasetId
      , headers: ['x', 'y', 'z']
    },
    documents: [
      {id: 0, x: 1, y: 2, z: 3}
      , {id: 1, x: 2, y: 4, z: 6}
      , {id: 2, x: 3, y: 6, z: 9}
      , {id: 3, x: 4, y: 8, z: 12}
      , {id: 4, x: 5, y: 10, z: 15}
      , {id: 5, x: 6, y: 12, z: 18}
    ]
  };
  var backend = new recline.Model.BackendMemory();
  backend.addDataset(inData);
  var dataset = new recline.Model.Dataset({id: datasetId}, backend);
  // ### Start testing
  expect(10);
  // convenience for tests
  var data = backend.datasets[datasetId];
  dataset.fetch().then(function(datasetAgain) {
    equal(dataset.get('name'), data.metadata.name);
    deepEqual(dataset.get('headers'), data.metadata.headers);
    equal(dataset.docCount, 6);
    var queryObj = {
      size: 4
      , offset: 2
    };
    dataset.query(queryObj).then(function(documentList) {
      deepEqual(data.documents[2], documentList.models[0].toJSON());
    });
    var queryObj = {
      sort: [
        ['y', 'desc']
      ]
    };
    dataset.query(queryObj).then(function(docs) {
      var doc0 = dataset.currentDocuments.models[0].toJSON();
      equal(doc0.x, 6);
    });
    dataset.query().then(function(docList) {
      equal(docList.length, Math.min(100, data.documents.length));
      var doc1 = docList.models[0];
      deepEqual(doc1.toJSON(), data.documents[0]);

      // Test UPDATE
      var newVal = 10;
      doc1.set({x: newVal});
      doc1.save().then(function() {
        equal(data.documents[0].x, newVal);
      })

      // Test Delete
      doc1.destroy().then(function() {
        equal(data.documents.length, 5);
        equal(data.documents[0].x, inData.documents[1].x);
      });
    });
  });
});

// TODO: move to fixtures
var webstoreSchema = {
  "count": 3, 
  "data": [
  {
    "name": "__id__", 
    "type": "integer", 
    "values_url": "/rufuspollock/demo/data/distinct/__id__"
  }, 
  {
    "name": "date", 
    "type": "text", 
    "values_url": "/rufuspollock/demo/data/distinct/date"
  }, 
  {
    "name": "geometry", 
    "type": "text", 
    "values_url": "/rufuspollock/demo/data/distinct/geometry"
  }, 
  {
    "name": "amount", 
    "type": "text", 
    "values_url": "/rufuspollock/demo/data/distinct/amount"
  }
  ], 
    "fields": [
    {
      "name": "type"
    }, 
    {
      "name": "name"
    }, 
    {
      "name": "values_url"
    }
  ]
};

webstoreData = {
  "count": null, 
  "data": [
  {
    "__id__": 1, 
    "amount": "100", 
    "date": "2009-01-01", 
    "geometry": null
  }, 
  {
    "__id__": 2, 
    "amount": "200", 
    "date": "2010-01-01", 
    "geometry": null
  }, 
  {
    "__id__": 3, 
    "amount": "300", 
    "date": "2011-01-01", 
    "geometry": null
  }
  ], 
    "fields": [
    {
      "name": "__id__"
    }, 
    {
      "name": "date"
    }, 
    {
      "name": "geometry"
    }, 
    {
      "name": "amount"
    }
  ]
};

test('Webstore Backend', function() {
  var dataset = new recline.Model.Dataset({
    id: 'my-id',
    webstore_url: 'http://webstore.test.ckan.org/rufuspollock/demo/data'
    },
    'webstore'
  );
  var stub = sinon.stub($, 'ajax', function(options) {
    if (options.url.indexOf('schema.json') != -1) {
      return {
        done: function(callback) {
          callback(webstoreSchema);
          return this;
        },
        fail: function() {
          return this;
        }
      }
    } else {
      return {
        done: function(callback) {
          callback(webstoreData);
        },
        fail: function() {
        }
      }
    }
  });

  dataset.fetch().done(function(dataset) {
    deepEqual(['__id__', 'date', 'geometry', 'amount'], dataset.get('headers'));
    equal(3, dataset.docCount)
    dataset.query().done(function(docList) {
      equal(3, docList.length)
      equal("2009-01-01", docList.models[0].get('date'));
    });
  });
  $.ajax.restore();
});


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

  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) {
    deepEqual(['__id__', 'date', 'price'], dataset.get('headers'));
    equal(null, dataset.docCount)
    dataset.query().done(function(docList) {
      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("GDoc Backend", function() { 
  var dataset = new recline.Model.Dataset();
  dataset.backendConfig = {
    type: 'gdocs',
    url: 'https://spreadsheets.google.com/feeds/list/0Aon3JiuouxLUdDQwZE1JdV94cUd6NWtuZ0IyWTBjLWc/od6/public/values?alt=json'
  };

  console.log('got gdoc dataset', dataset);

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

  dataset.fetch().then(function(dataset) {
    console.log('inside dataset:', dataset, dataset.get('headers'), dataset.get('data'));
    deepEqual(['column-2', 'column-1'], dataset.get('headers'));
    //equal(null, dataset.docCount)
    dataset.query().then(function(docList) {
      equal(3, docList.length);
      console.log(docList.models[0]);
      equal("A", docList.models[0].get('column-1'));
      // needed only if not stubbing
      start();
    });
  });
  $.getJSON.restore();
});

})(this.jQuery);