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',143,164,143,164],
['2日',227,279,null,null],
['3日',168,323,168,null],
['4日',null,404,186,null],
['5日',null,277,200,null],
['6日',160,226,160,null],
['7日',326,262,null,null],
['8日',369,336,null,null],
['9日',431,282,null,null],
['10日',253,296,null,null],
['11日',240,239,null,null],
['12日',226,124,null,124],
['13日',388,null,null,170],
['14日',198,null,198,140],
['15日',null,null,100,131],
['16日',null,166,117,166],
['17日',191,235,191,null],
['18日',239,171,null,171],
['19日',375,207,null,null],
['20日',433,256,null,null],
['21日',197,190,197,190],
['22日',288,null,null,null],
['23日',182,null,182,null],
['24日',null,null,156,null],
['25日',178,null,178,null],
['26日',210,null,null,null],
['27日',337,null,null,null],
['28日',242,null,null,null],
['29日',163,null,163,null],
['30日',237,null,null,null],
['31日',null,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5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=21 -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)
      }
    });
  }

});