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,172,null,172],
['2日',null,206,null,null],
['3日',null,199,null,199],
['4日',null,null,null,156],
['5日',null,186,null,186],
['6日',237,216,null,null],
['7日',191,185,191,185],
['8日',201,162,null,162],
['9日',201,207,null,null],
['10日',198,183,198,183],
['11日',192,226,192,null],
['12日',220,205,null,null],
['13日',210,228,null,null],
['14日',213,209,null,null],
['15日',193,196,193,196],
['16日',196,null,196,133],
['17日',202,null,null,155],
['18日',205,null,null,171],
['19日',141,null,141,165],
['20日',null,187,147,187],
['21日',null,201,157,null],
['22日',null,164,170,164],
['23日',null,null,169,191],
['24日',null,null,164,176],
['25日',null,null,147,181],
['26日',null,null,161,176],
['27日',null,null,172,188],
['28日',null,null,152,183],
['29日',null,null,179,165],
['30日',null,155,195,155],
['31日',null,null,162,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:250},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)
      }
    });
  }

});