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,230,null,null],
['2日',null,148,null,148],
['3日',215,203,null,null],
['4日',224,242,null,null],
['5日',114,268,114,null],
['6日',null,141,143,141],
['7日',161,153,161,153],
['8日',201,202,null,null],
['9日',172,236,172,null],
['10日',182,287,182,null],
['11日',205,284,null,null],
['12日',214,338,null,null],
['13日',274,244,null,null],
['14日',318,223,null,null],
['15日',141,233,141,null],
['16日',184,251,184,null],
['17日',202,231,null,null],
['18日',223,274,null,null],
['19日',277,329,null,null],
['20日',168,306,168,null],
['21日',178,280,178,null],
['22日',205,297,null,null],
['23日',206,323,null,null],
['24日',188,375,188,null],
['25日',212,91,null,91],
['26日',242,null,null,141],
['27日',163,null,163,96],
['28日',206,null,null,89],
['29日',233,null,null,109],
['30日',242,130,null,130],
['31日',236,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:400},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)
      }
    });
  }

});