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',253,250,null,null],
['2日',154,214,154,null],
['3日',176,242,176,null],
['4日',226,75,null,75],
['5日',218,null,null,112],
['6日',240,null,null,138],
['7日',62,null,62,168],
['8日',null,178,104,178],
['9日',null,202,161,null],
['10日',173,201,173,null],
['11日',218,197,null,197],
['12日',214,228,null,null],
['13日',223,220,null,null],
['14日',165,202,165,null],
['15日',null,221,175,null],
['16日',null,210,174,null],
['17日',null,252,172,null],
['18日',181,200,181,200],
['19日',222,238,null,null],
['20日',263,225,null,null],
['21日',217,248,null,null],
['22日',211,241,null,null],
['23日',214,250,null,null],
['24日',239,225,null,null],
['25日',240,214,null,null],
['26日',249,201,null,null],
['27日',264,220,null,null],
['28日',219,232,null,null],
['29日',199,241,199,null],
['30日',197,255,197,null],
['31日',222,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)
      }
    });
  }

});