// Generated by CoffeeScript 1.10.0
(function() {
  var Weather;

  window.Weather = observable(Weather = (function() {
    function Weather(conf) {
      this.init({
        events: ['change']
      });
    }

    Weather.prototype.query = function(icao, year) {
      this.icao = icao;
      this.year = year;
      return d3.csv("wu_get_history.php?station=" + icao + "&year=" + year, (function(_this) {
        return function(days) {
          _this.days = days;
          _this.days.forEach(function(d) {
            d.t = d[_this.days.columns[0]];
            d.date = new Date(d.t);
            d.day = d.date.getDOY();
            d.MinTemperatureC = +d.MinTemperatureC;
            d.MaxTemperatureC = +d.MaxTemperatureC;
            d.MeanTemperatureC = +d.MeanTemperatureC;
            d.Precipitationmm = +d.Precipitationmm || 0;
            d.CloudCover = Math.max(0, +d.CloudCover);
            d['MeanWindSpeedKm/h'] = +d['MeanWindSpeedKm/h'];
            return d.WindDirDegrees = +d.WindDirDegrees;
          });
          return _this.trigger('change');
        };
      })(this));
    };

    return Weather;

  })());

  
// code by Joe Orost
// http://stackoverflow.com/questions/8619879/javascript-calculate-the-day-of-the-year-1-366

Date.prototype.isLeapYear = function() {
    var year = this.getFullYear();
    if((year & 3) != 0) return false;
    return ((year % 100) != 0 || (year % 400) == 0);
};

// Get Day of Year
Date.prototype.getDOY = function() {
    var dayCount = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
    var mn = this.getMonth();
    var dn = this.getDate();
    var dayOfYear = dayCount[mn] + dn;
    if(mn > 1 && this.isLeapYear()) dayOfYear++;
    return dayOfYear;
};
;

}).call(this);