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,665,null,null],
['2日',null,643,null,null],
['3日',null,549,null,null],
['4日',677,493,null,null],
['5日',595,551,null,null],
['6日',436,536,null,null],
['7日',479,607,null,null],
['8日',546,614,null,null],
['9日',495,567,null,null],
['10日',600,478,null,null],
['11日',610,468,null,null],
['12日',538,553,null,null],
['13日',432,548,null,null],
['14日',459,592,null,null],
['15日',603,616,null,null],
['16日',597,579,null,null],
['17日',642,472,null,null],
['18日',629,482,null,null],
['19日',580,583,null,null],
['20日',449,563,null,null],
['21日',453,611,null,null],
['22日',568,565,null,null],
['23日',592,579,null,null],
['24日',624,470,null,null],
['25日',581,492,null,null],
['26日',595,527,null,null],
['27日',459,574,null,null],
['28日',470,603,null,null],
['29日',538,585,null,null],
['30日',623,637,null,null],
['31日',683,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:700},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)
      }
    });
  }

});