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,167,null,167],
['2日',null,237,null,null],
['3日',203,227,null,null],
['4日',200,236,200,null],
['5日',226,214,null,null],
['6日',279,235,null,null],
['7日',213,183,null,183],
['8日',260,208,null,null],
['9日',322,237,null,null],
['10日',214,264,null,null],
['11日',248,326,null,null],
['12日',201,244,null,null],
['13日',148,302,148,null],
['14日',122,235,122,null],
['15日',232,145,null,145],
['16日',159,174,159,174],
['17日',null,324,115,null],
['18日',null,95,128,95],
['19日',null,135,110,135],
['20日',null,206,98,null],
['21日',null,257,19,null],
['22日',null,303,56,null],
['23日',null,351,113,null],
['24日',null,273,95,null],
['25日',null,342,122,null],
['26日',null,302,184,null],
['27日',null,274,126,null],
['28日',178,261,178,null],
['29日',245,276,null,null],
['30日',165,288,165,null],
['31日',null,null,164,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:400},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)
      }
    });
  }

});