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',177,178,177,178],
['2日',204,246,null,null],
['3日',188,186,188,186],
['4日',null,199,184,199],
['5日',196,207,196,null],
['6日',207,181,null,181],
['7日',225,null,null,172],
['8日',209,null,null,193],
['9日',217,null,null,188],
['10日',195,197,195,197],
['11日',193,220,193,null],
['12日',220,216,null,null],
['13日',265,209,null,null],
['14日',210,153,null,153],
['15日',153,null,153,168],
['16日',null,null,154,154],
['17日',null,null,182,114],
['18日',null,null,164,135],
['19日',null,null,186,135],
['20日',null,169,185,169],
['21日',180,null,180,null],
['22日',207,null,null,null],
['23日',201,null,null,null],
['24日',183,null,183,null],
['25日',147,null,147,null],
['26日',212,null,null,null],
['27日',188,null,188,null],
['28日',null,null,136,null],
['29日',176,null,176,null],
['30日',207,null,null,null],
['31日',null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},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=20 -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)
      }
    });
  }

});