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,136,null,136],
['2日',152,222,152,null],
['3日',null,216,176,null],
['4日',null,201,156,null],
['5日',null,221,181,null],
['6日',null,203,157,null],
['7日',null,191,161,191],
['8日',null,195,155,195],
['9日',180,210,180,null],
['10日',207,254,null,null],
['11日',183,262,183,null],
['12日',203,218,null,null],
['13日',177,217,177,null],
['14日',178,207,178,null],
['15日',211,228,null,null],
['16日',196,248,196,null],
['17日',null,243,186,null],
['18日',null,216,173,null],
['19日',194,220,194,null],
['20日',201,174,null,174],
['21日',205,173,null,173],
['22日',195,216,195,null],
['23日',null,223,188,null],
['24日',null,206,173,null],
['25日',194,214,194,null],
['26日',210,207,null,null],
['27日',177,195,177,195],
['28日',null,202,157,null],
['29日',null,191,191,191],
['30日',null,213,177,null],
['31日',null,null,138,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: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=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)
      }
    });
  }

});