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,null],
['2日',711,667,null,null],
['3日',731,653,null,null],
['4日',539,709,null,null],
['5日',673,669,null,null],
['6日',856,792,null,null],
['7日',889,null,null,null],
['8日',693,725,null,null],
['9日',665,772,null,null],
['10日',764,687,null,null],
['11日',912,895,null,null],
['12日',984,null,null,null],
['13日',936,929,null,null],
['14日',802,770,null,null],
['15日',809,963,null,null],
['16日',630,764,null,null],
['17日',743,939,null,null],
['18日',628,492,null,null],
['19日',758,664,null,null],
['20日',846,891,null,null],
['21日',889,854,null,null],
['22日',868,890,null,null],
['23日',721,683,null,null],
['24日',814,946,null,null],
['25日',734,634,null,null],
['26日',639,828,null,null],
['27日',765,903,null,null],
['28日',625,773,null,null],
['29日',837,889,null,null],
['30日',574,596,null,null],
['31日',752,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=2;

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

});