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,345,null,null],
['2日',null,554,null,null],
['3日',null,441,null,null],
['4日',273,445,null,null],
['5日',253,469,null,null],
['6日',164,413,164,null],
['7日',159,502,159,null],
['8日',241,441,null,null],
['9日',297,417,null,null],
['10日',234,373,null,null],
['11日',226,592,null,null],
['12日',204,583,null,null],
['13日',175,601,175,null],
['14日',254,338,null,null],
['15日',351,533,null,null],
['16日',240,399,null,null],
['17日',329,390,null,null],
['18日',323,382,null,null],
['19日',350,559,null,null],
['20日',327,615,null,null],
['21日',336,550,null,null],
['22日',229,618,null,null],
['23日',320,395,null,null],
['24日',292,499,null,null],
['25日',310,442,null,null],
['26日',302,512,null,null],
['27日',287,398,null,null],
['28日',290,269,null,null],
['29日',399,274,null,null],
['30日',440,320,null,null],
['31日',593,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)
      }
    });
  }

});