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',250,215,null,null],
['2日',209,225,null,null],
['3日',240,196,null,196],
['4日',118,188,118,188],
['5日',null,221,109,null],
['6日',null,275,109,null],
['7日',null,344,166,null],
['8日',179,297,179,null],
['9日',205,149,null,149],
['10日',174,219,174,null],
['11日',null,224,133,null],
['12日',null,243,126,null],
['13日',185,161,185,161],
['14日',215,191,null,191],
['15日',245,242,null,null],
['16日',265,251,null,null],
['17日',251,186,null,186],
['18日',279,210,null,null],
['19日',188,null,188,null],
['20日',null,null,171,null],
['21日',196,null,196,null],
['22日',210,null,null,null],
['23日',198,null,198,null],
['24日',205,null,null,null],
['25日',221,null,null,null],
['26日',192,null,192,null],
['27日',180,null,180,null],
['28日',201,null,null,null],
['29日',208,null,null,null],
['30日',214,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:350},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=18 -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)
      }
    });
  }

});