exports.definition = {

  config : {
    "columns" : {
      "name" : "TEXT",
      "captured" : "integer",
      "url" : "TEXT",
      "capturedLat" : "real",
      "capturedLong" : "real"
    },
    "defaults" : {
      "name" : "",
      "captured" : 0,
      "url" : "",
      "capturedLat" : "",
      "capturedLong" : ""
    },
    "adapter" : {
      "type" : "sql",
      "collection_name" : "fugitives"
    }
  },

  extendModel : function(Model) {
    _.extend(Model.prototype, {

    });
    // end extend

    return Model;
  },

  extendCollection : function(Collection) {

    // helper functions
    function S4() {
      return (0 | 65536 * (1 + Math.random())).toString(16).substring(1);
    }

    function guid() {
      return S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4();
    }


    _.extend(Collection.prototype, {

      deleteAll : function() {

        var collection = this;

        var sql = "DELETE FROM " + collection.config.adapter.collection_name;
        db = Ti.Database.open(collection.config.adapter.db_name);
        db.execute(sql);
        db.close();

        collection.trigger('sync');

      },

      saveAll : function() {
        var collection = this;

        var dbName = collection.config.adapter.db_name;
        var table = collection.config.adapter.collection_name;
        var columns = collection.config.columns;

        db = Ti.Database.open(dbName);
        db.execute("BEGIN;");

        collection.each(function(model) {

          if (!model.id) {
            model.id = guid();
            model.attributes[model.idAttribute] = model.id;
          }

          var names = [], values = [], q = [];
          for (var k in columns) {
            names.push(k);
            values.push(model.get(k));
            q.push("?");
          }
          var sqlInsert = "INSERT INTO " + table + " (" + names.join(",") + ") VALUES (" + q.join(",") + ");";

          db.execute(sqlInsert, values);

        });

        db.execute("COMMIT;");
        db.close();

        collection.trigger('sync');
      }
    });
    // end extend

    return Collection;
  }
};