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,217,null,null],
['2日',null,243,null,null],
['3日',null,222,null,null],
['4日',null,213,null,null],
['5日',null,220,null,null],
['6日',null,220,null,null],
['7日',null,214,null,null],
['8日',null,207,null,null],
['9日',161,209,161,null],
['10日',null,231,148,null],
['11日',null,236,149,null],
['12日',null,241,158,null],
['13日',null,254,133,null],
['14日',null,245,142,null],
['15日',null,232,130,null],
['16日',null,222,128,null],
['17日',176,163,176,163],
['18日',218,204,null,null],
['19日',237,218,null,null],
['20日',258,224,null,null],
['21日',252,227,null,null],
['22日',249,229,null,null],
['23日',255,222,null,null],
['24日',303,239,null,null],
['25日',281,308,null,null],
['26日',263,215,null,null],
['27日',220,256,null,null],
['28日',204,123,null,123],
['29日',185,null,185,144],
['30日',192,171,192,171],
['31日',205,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:350},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)
      }
    });
  }

});