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',389,202,null,null],
['3日',443,276,null,null],
['4日',441,353,null,null],
['5日',266,499,null,null],
['6日',362,418,null,null],
['7日',199,222,199,null],
['8日',338,264,null,null],
['9日',298,234,null,null],
['10日',282,103,null,103],
['11日',172,null,172,108],
['12日',246,null,null,112],
['13日',237,193,null,193],
['14日',254,210,null,null],
['15日',279,185,null,185],
['16日',233,288,null,null],
['17日',199,204,199,null],
['18日',313,264,null,null],
['19日',377,251,null,null],
['20日',352,207,null,null],
['21日',182,239,182,null],
['22日',226,387,null,null],
['23日',312,366,null,null],
['24日',298,252,null,null],
['25日',244,238,null,null],
['26日',390,211,null,null],
['27日',400,354,null,null],
['28日',392,199,null,199],
['29日',358,238,null,null],
['30日',241,150,null,150],
['31日',145,null,145,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)
      }
    });
  }

});