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,null,54],
['2日',null,129,null,129],
['3日',229,216,null,null],
['4日',291,313,null,null],
['5日',282,301,null,null],
['6日',296,269,null,null],
['7日',84,240,84,null],
['8日',null,80,96,80],
['9日',null,null,101,81],
['10日',131,null,131,96],
['11日',214,156,null,156],
['12日',249,280,null,null],
['13日',105,362,105,null],
['14日',null,112,113,112],
['15日',null,null,134,120],
['16日',null,null,114,143],
['17日',null,156,130,156],
['18日',null,243,151,null],
['19日',null,253,185,null],
['20日',191,133,191,133],
['21日',233,null,null,116],
['22日',289,null,null,125],
['23日',160,185,160,185],
['24日',null,246,144,null],
['25日',null,277,138,null],
['26日',197,80,197,80],
['27日',270,null,null,79],
['28日',274,null,null,94],
['29日',57,null,57,108],
['30日',null,178,58,178],
['31日',null,null,64,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:400},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)
      }
    });
  }

});