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,559,null,null],
['2日',600,556,null,null],
['3日',581,642,null,null],
['4日',698,676,null,null],
['5日',663,782,null,null],
['6日',709,748,null,null],
['7日',902,873,null,null],
['8日',null,794,null,null],
['9日',843,747,null,null],
['10日',807,null,null,null],
['11日',633,876,null,null],
['12日',445,706,null,null],
['13日',504,321,null,null],
['14日',684,262,null,null],
['15日',689,204,null,null],
['16日',400,193,null,193],
['17日',437,null,null,173],
['18日',494,null,null,177],
['19日',488,null,null,152],
['20日',597,null,null,142],
['21日',718,null,null,141],
['22日',671,null,null,115],
['23日',661,null,null,117],
['24日',null,null,null,117],
['25日',729,null,null,127],
['26日',618,null,null,127],
['27日',679,null,null,133],
['28日',757,null,null,147],
['29日',820,null,null,156],
['30日',499,166,null,166],
['31日',591,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:1000},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)
      }
    });
  }

});