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,273,null,null],
['2日',null,261,null,null],
['3日',null,268,null,null],
['4日',null,124,null,124],
['5日',null,null,null,130],
['6日',null,null,null,196],
['7日',null,184,null,184],
['8日',288,223,null,null],
['9日',311,231,null,null],
['10日',321,277,null,null],
['11日',290,262,null,null],
['12日',322,283,null,null],
['13日',297,308,null,null],
['14日',22,272,22,null],
['15日',null,282,47,null],
['16日',null,315,84,null],
['17日',null,329,114,null],
['18日',null,297,136,null],
['19日',null,374,188,null],
['20日',198,352,198,null],
['21日',209,297,null,null],
['22日',221,304,null,null],
['23日',250,333,null,null],
['24日',245,328,null,null],
['25日',232,12,null,12],
['26日',241,null,null,24],
['27日',243,null,null,60],
['28日',254,null,null,74],
['29日',280,null,null,93],
['30日',281,112,null,112],
['31日',282,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:400},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)
      }
    });
  }

});