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,121,null,121],
['2日',583,272,null,null],
['3日',884,333,null,null],
['4日',201,540,null,null],
['5日',83,755,83,null],
['6日',201,580,null,null],
['7日',340,853,null,null],
['8日',178,206,178,null],
['9日',310,347,null,null],
['10日',536,432,null,null],
['11日',195,461,195,null],
['12日',301,198,null,198],
['13日',393,345,null,null],
['14日',643,352,null,null],
['15日',183,133,183,133],
['16日',320,266,null,null],
['17日',572,348,null,null],
['18日',199,585,199,null],
['19日',323,219,null,null],
['20日',369,379,null,null],
['21日',593,536,null,null],
['22日',474,210,null,null],
['23日',751,330,null,null],
['24日',null,285,null,null],
['25日',231,482,null,null],
['26日',336,220,null,null],
['27日',405,378,null,null],
['28日',645,627,null,null],
['29日',203,159,null,159],
['30日',300,280,null,null],
['31日',444,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:900},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)
      }
    });
  }

});