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,156,null,156],
['2日',null,214,null,null],
['3日',null,283,null,null],
['4日',113,221,113,null],
['5日',null,45,141,45],
['6日',null,null,183,97],
['7日',169,null,169,145],
['8日',227,null,null,154],
['9日',244,null,null,177],
['10日',237,null,null,168],
['11日',254,149,null,149],
['12日',221,262,null,null],
['13日',144,247,144,null],
['14日',229,363,null,null],
['15日',193,413,193,null],
['16日',205,282,null,null],
['17日',211,202,null,null],
['18日',284,277,null,null],
['19日',268,405,null,null],
['20日',340,53,null,53],
['21日',320,null,null,84],
['22日',468,null,null,119],
['23日',140,null,140,142],
['24日',209,null,null,193],
['25日',323,175,null,175],
['26日',253,282,null,null],
['27日',128,209,128,null],
['28日',null,48,144,48],
['29日',147,null,147,66],
['30日',251,92,null,92],
['31日',87,null,87,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:500},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)
      }
    });
  }

});