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,null,189,132],
['2日',119,156,119,156],
['3日',209,272,null,null],
['4日',260,242,null,null],
['5日',255,340,null,null],
['6日',250,208,null,null],
['7日',243,235,null,null],
['8日',93,224,93,null],
['9日',203,304,null,null],
['10日',261,379,null,null],
['11日',296,304,null,null],
['12日',336,250,null,null],
['13日',368,371,null,null],
['14日',187,234,187,null],
['15日',null,307,136,null],
['16日',100,388,100,null],
['17日',208,421,null,null],
['18日',236,191,null,191],
['19日',259,119,null,119],
['20日',226,218,null,null],
['21日',325,282,null,null],
['22日',275,270,null,null],
['23日',190,375,190,null],
['24日',null,255,148,null],
['25日',175,186,175,186],
['26日',224,220,null,null],
['27日',291,257,null,null],
['28日',143,236,143,null],
['29日',233,364,null,null],
['30日',200,270,200,null],
['31日',204,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: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=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)
      }
    });
  }

});