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',669,549,null,null],
['2日',512,573,null,null],
['3日',234,368,null,null],
['4日',350,438,null,null],
['5日',448,719,null,null],
['6日',298,321,null,null],
['7日',319,527,null,null],
['8日',387,478,null,null],
['9日',443,576,null,null],
['10日',449,792,null,null],
['11日',619,523,null,null],
['12日',604,552,null,null],
['13日',544,590,null,null],
['14日',787,690,null,null],
['15日',705,550,null,null],
['16日',710,844,null,null],
['17日',733,662,null,null],
['18日',null,573,null,null],
['19日',973,452,null,null],
['20日',478,492,null,null],
['21日',404,548,null,null],
['22日',543,799,null,null],
['23日',675,671,null,null],
['24日',552,304,null,null],
['25日',734,445,null,null],
['26日',759,760,null,null],
['27日',611,374,null,null],
['28日',688,550,null,null],
['29日',633,388,null,null],
['30日',855,624,null,null],
['31日',616,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:1000},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)
      }
    });
  }

});