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,324,null,null],
['2日',null,123,null,123],
['3日',null,173,null,173],
['4日',null,241,null,null],
['5日',null,265,null,null],
['6日',null,279,null,null],
['7日',null,330,null,null],
['8日',null,353,null,null],
['9日',null,117,null,117],
['10日',null,166,null,166],
['11日',null,228,null,null],
['12日',193,111,193,111],
['13日',216,null,null,123],
['14日',275,193,null,193],
['15日',266,261,null,null],
['16日',257,195,null,195],
['17日',298,209,null,null],
['18日',360,249,null,null],
['19日',217,228,null,null],
['20日',237,251,null,null],
['21日',293,306,null,null],
['22日',291,328,null,null],
['23日',253,139,null,139],
['24日',304,199,null,199],
['25日',389,250,null,null],
['26日',91,117,91,117],
['27日',127,null,127,117],
['28日',214,181,null,181],
['29日',245,232,null,null],
['30日',248,185,null,185],
['31日',300,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: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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});