google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',null,375,null,null],
['2日',137,null,137,null],
['3日',176,329,176,null],
['4日',231,375,null,null],
['5日',232,339,null,null],
['6日',267,null,null,null],
['7日',368,null,null,null],
['8日',null,null,null,null],
['9日',400,null,null,null],
['10日',null,382,null,null],
['11日',null,491,null,null],
['12日',351,72,null,72],
['13日',315,null,null,82],
['14日',370,162,null,162],
['15日',285,218,null,null],
['16日',263,221,null,null],
['17日',225,184,null,184],
['18日',263,299,null,null],
['19日',340,62,null,62],
['20日',241,null,null,123],
['21日',286,169,null,169],
['22日',217,266,null,null],
['23日',287,258,null,null],
['24日',320,286,null,null],
['25日',392,445,null,null],
['26日',410,86,null,86],
['27日',null,123,null,123],
['28日',null,230,null,null],
['29日',194,264,194,null],
['30日',212,273,null,null],
['31日',322,null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:500},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});