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,159,null,159],
['2日',null,210,null,null],
['3日',null,145,null,145],
['4日',169,205,169,null],
['5日',null,120,129,120],
['6日',null,null,142,136],
['7日',null,190,115,190],
['8日',null,227,120,null],
['9日',null,163,149,163],
['10日',null,179,156,179],
['11日',null,266,132,null],
['12日',null,245,134,null],
['13日',null,223,118,null],
['14日',154,282,154,null],
['15日',245,177,null,177],
['16日',217,null,null,197],
['17日',220,190,null,190],
['18日',190,235,190,null],
['19日',212,192,null,192],
['20日',212,254,null,null],
['21日',245,225,null,null],
['22日',184,192,184,192],
['23日',null,216,187,null],
['24日',200,149,200,149],
['25日',210,null,null,195],
['26日',168,null,168,192],
['27日',null,178,197,178],
['28日',160,231,160,null],
['29日',232,208,null,null],
['30日',195,177,195,177],
['31日',null,null,127,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:300},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)
      }
    });
  }

});