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,218,170,null],
['2日',null,203,114,null],
['3日',null,218,140,null],
['4日',null,252,153,null],
['5日',null,260,186,null],
['6日',null,211,130,null],
['7日',173,234,173,null],
['8日',206,133,null,133],
['9日',179,null,179,198],
['10日',206,199,null,199],
['11日',212,217,null,null],
['12日',220,164,null,164],
['13日',224,null,null,152],
['14日',219,null,null,168],
['15日',212,183,null,183],
['16日',98,215,98,null],
['17日',null,225,115,null],
['18日',null,253,153,null],
['19日',null,242,145,null],
['20日',null,141,64,141],
['21日',null,null,86,165],
['22日',null,null,117,92],
['23日',null,null,111,126],
['24日',null,null,117,111],
['25日',null,null,102,110],
['26日',null,165,120,165],
['27日',null,204,134,null],
['28日',null,219,163,null],
['29日',null,226,168,null],
['30日',194,249,194,null],
['31日',233,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:300},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)
      }
    });
  }

});