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,124],
['2日',220,null,null,148],
['3日',222,null,null,131],
['4日',223,null,null,116],
['5日',220,null,null,145],
['6日',196,null,196,133],
['7日',null,187,43,187],
['8日',null,226,80,null],
['9日',null,262,93,null],
['10日',null,233,92,null],
['11日',null,157,107,157],
['12日',null,174,126,174],
['13日',null,203,115,null],
['14日',null,182,115,182],
['15日',157,187,157,187],
['16日',214,208,null,null],
['17日',206,225,null,null],
['18日',120,133,120,133],
['19日',null,null,134,196],
['20日',null,null,184,140],
['21日',null,178,74,178],
['22日',null,230,128,null],
['23日',null,220,130,null],
['24日',170,222,170,null],
['25日',220,207,null,null],
['26日',175,238,175,null],
['27日',null,238,168,null],
['28日',null,257,144,null],
['29日',null,275,185,null],
['30日',null,301,154,null],
['31日',null,null,141,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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});