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,360,null,null],
['2日',null,282,null,null],
['3日',null,310,null,null],
['4日',null,342,null,null],
['5日',null,199,null,199],
['6日',286,204,null,null],
['7日',328,233,null,null],
['8日',340,272,null,null],
['9日',364,309,null,null],
['10日',398,298,null,null],
['11日',277,307,null,null],
['12日',294,336,null,null],
['13日',329,327,null,null],
['14日',325,356,null,null],
['15日',189,377,189,null],
['16日',202,383,null,null],
['17日',242,350,null,null],
['18日',269,277,null,null],
['19日',259,145,null,145],
['20日',277,154,null,154],
['21日',306,201,null,null],
['22日',80,246,80,null],
['23日',null,284,98,null],
['24日',137,332,137,null],
['25日',201,343,null,null],
['26日',234,397,null,null],
['27日',291,440,null,null],
['28日',310,426,null,null],
['29日',316,407,null,null],
['30日',350,435,null,null],
['31日',371,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)
      }
    });
  }

});