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,null,142,148],
['2日',null,null,123,121],
['3日',149,180,149,180],
['4日',240,208,null,null],
['5日',82,208,82,null],
['6日',98,209,98,null],
['7日',212,210,null,null],
['8日',284,256,null,null],
['9日',268,147,null,147],
['10日',284,null,null,197],
['11日',322,117,null,117],
['12日',181,251,181,null],
['13日',203,237,null,null],
['14日',125,234,125,null],
['15日',null,310,155,null],
['16日',197,235,197,null],
['17日',210,146,null,146],
['18日',247,203,null,null],
['19日',172,241,172,null],
['20日',290,214,null,null],
['21日',264,337,null,null],
['22日',225,353,null,null],
['23日',404,226,null,null],
['24日',213,322,null,null],
['25日',325,225,null,null],
['26日',227,250,null,null],
['27日',213,199,null,199],
['28日',116,218,116,null],
['29日',null,329,167,null],
['30日',132,98,132,98],
['31日',220,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:500},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)
      }
    });
  }

});