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,177],
['2日',127,156,127,156],
['3日',160,null,160,null],
['4日',null,152,null,152],
['5日',159,null,159,126],
['6日',null,142,131,142],
['7日',null,null,82,null],
['8日',null,140,84,140],
['9日',115,null,115,132],
['10日',null,null,null,146],
['11日',null,null,null,119],
['12日',155,null,155,124],
['13日',null,148,125,148],
['14日',null,null,132,null],
['15日',null,175,148,175],
['16日',null,null,173,null],
['17日',null,146,187,146],
['18日',null,null,100,140],
['19日',null,null,133,175],
['20日',null,176,126,176],
['21日',null,null,113,null],
['22日',168,null,168,null],
['23日',null,null,null,null],
['24日',154,176,154,176],
['25日',null,123,192,123],
['26日',null,null,192,null],
['27日',null,null,143,null],
['28日',null,151,146,151],
['29日',null,null,113,163],
['30日',null,133,124,133],
['31日',null,null,163,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:200},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)
      }
    });
  }

});