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',174,350,174,null],
['2日',215,299,null,null],
['3日',267,299,null,null],
['4日',326,299,null,null],
['5日',342,289,null,null],
['6日',332,313,null,null],
['7日',249,351,null,null],
['8日',252,403,null,null],
['9日',263,220,null,null],
['10日',290,221,null,null],
['11日',328,229,null,null],
['12日',296,245,null,null],
['13日',290,253,null,null],
['14日',359,238,null,null],
['15日',444,249,null,null],
['16日',196,279,196,null],
['17日',205,284,null,null],
['18日',214,169,null,169],
['19日',239,null,null,189],
['20日',204,193,null,193],
['21日',226,213,null,null],
['22日',253,203,null,null],
['23日',185,202,185,null],
['24日',202,242,null,null],
['25日',214,255,null,null],
['26日',252,261,null,null],
['27日',236,258,null,null],
['28日',240,271,null,null],
['29日',274,290,null,null],
['30日',311,320,null,null],
['31日',336,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)
      }
    });
  }

});