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',258,249,null,null],
['2日',69,255,69,null],
['3日',null,304,94,null],
['4日',null,212,122,null],
['5日',null,170,146,170],
['6日',null,null,129,58],
['7日',null,null,91,104],
['8日',null,null,99,39],
['9日',null,null,110,66],
['10日',null,null,127,74],
['11日',null,null,149,74],
['12日',null,null,171,139],
['13日',180,182,180,182],
['14日',229,220,null,null],
['15日',230,197,null,197],
['16日',181,200,181,200],
['17日',null,201,69,null],
['18日',null,220,99,null],
['19日',null,218,157,null],
['20日',null,172,193,172],
['21日',null,null,144,61],
['22日',null,null,160,104],
['23日',186,null,186,126],
['24日',224,null,null,123],
['25日',215,191,null,191],
['26日',196,250,196,null],
['27日',247,206,null,null],
['28日',246,171,null,171],
['29日',253,null,null,185],
['30日',196,199,196,199],
['31日',259,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)
      }
    });
  }

});