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,220,null,null],
['2日',178,223,178,null],
['3日',null,228,131,null],
['4日',null,195,123,195],
['5日',null,221,141,null],
['6日',null,178,190,178],
['7日',null,null,162,196],
['8日',null,null,130,184],
['9日',null,null,167,185],
['10日',186,null,186,143],
['11日',209,165,null,165],
['12日',218,201,null,null],
['13日',166,206,166,null],
['14日',172,169,172,169],
['15日',201,191,null,191],
['16日',179,208,179,null],
['17日',null,212,158,null],
['18日',null,194,161,194],
['19日',null,206,179,null],
['20日',null,225,186,null],
['21日',null,175,181,175],
['22日',198,null,198,199],
['23日',228,null,null,182],
['24日',191,196,191,196],
['25日',206,210,null,null],
['26日',213,211,null,null],
['27日',199,209,199,null],
['28日',205,184,null,184],
['29日',179,null,179,187],
['30日',202,159,null,159],
['31日',209,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:250},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)
      }
    });
  }

});