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,168,null,168],
['2日',193,213,193,null],
['3日',null,213,173,null],
['4日',200,233,200,null],
['5日',210,240,null,null],
['6日',220,231,null,null],
['7日',250,188,null,188],
['8日',255,197,null,197],
['9日',154,206,154,null],
['10日',null,239,173,null],
['11日',null,305,140,null],
['12日',200,268,200,null],
['13日',229,213,null,null],
['14日',238,219,null,null],
['15日',267,211,null,null],
['16日',191,206,191,null],
['17日',212,229,null,null],
['18日',201,238,null,null],
['19日',208,244,null,null],
['20日',233,205,null,null],
['21日',222,135,null,135],
['22日',227,145,null,145],
['23日',203,201,null,null],
['24日',170,242,170,null],
['25日',213,265,null,null],
['26日',212,290,null,null],
['27日',218,160,null,160],
['28日',222,215,null,null],
['29日',218,218,null,null],
['30日',197,182,197,182],
['31日',null,null,165,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:350},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)
      }
    });
  }

});