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,124,121],
['2日',182,null,182,135],
['3日',205,null,null,141],
['4日',225,199,null,199],
['5日',218,212,null,null],
['6日',142,135,142,135],
['7日',null,null,182,122],
['8日',null,null,193,184],
['9日',166,null,166,184],
['10日',210,null,null,160],
['11日',186,null,186,197],
['12日',null,null,146,134],
['13日',null,null,186,177],
['14日',184,null,184,192],
['15日',206,null,null,177],
['16日',182,null,182,185],
['17日',null,200,154,200],
['18日',178,203,178,null],
['19日',228,221,null,null],
['20日',172,239,172,null],
['21日',175,220,175,null],
['22日',206,183,null,183],
['23日',169,202,169,null],
['24日',null,193,124,193],
['25日',110,null,110,177],
['26日',205,155,null,155],
['27日',203,209,null,null],
['28日',191,210,191,null],
['29日',223,212,null,null],
['30日',213,210,null,null],
['31日',218,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=2;

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

});