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',160,313,160,null],
['2日',258,86,null,86],
['3日',336,123,null,123],
['4日',369,223,null,null],
['5日',20,353,20,null],
['6日',null,301,28,null],
['7日',null,424,46,null],
['8日',null,434,85,null],
['9日',131,80,131,80],
['10日',208,116,null,116],
['11日',240,202,null,null],
['12日',24,316,24,null],
['13日',null,416,49,null],
['14日',null,422,79,null],
['15日',162,610,162,null],
['16日',233,76,null,76],
['17日',398,114,null,114],
['18日',654,249,null,null],
['19日',174,296,174,null],
['20日',null,326,87,null],
['21日',197,422,197,null],
['22日',314,485,null,null],
['23日',328,49,null,49],
['24日',375,null,null,84],
['25日',429,179,null,179],
['26日',13,261,13,null],
['27日',null,348,26,null],
['28日',null,432,58,null],
['29日',131,389,131,null],
['30日',241,12,null,12],
['31日',270,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:700},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=4;

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

});