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,null,null,null],
['2日',null,931,null,null],
['3日',null,998,null,null],
['4日',917,null,null,null],
['5日',983,734,null,null],
['6日',684,908,null,null],
['7日',887,876,null,null],
['8日',620,790,null,null],
['9日',622,903,null,null],
['10日',776,846,null,null],
['11日',783,835,null,null],
['12日',763,819,null,null],
['13日',682,860,null,null],
['14日',627,712,null,null],
['15日',565,620,null,null],
['16日',776,953,null,null],
['17日',766,846,null,null],
['18日',912,549,null,null],
['19日',935,687,null,null],
['20日',952,852,null,null],
['21日',683,953,null,null],
['22日',747,null,null,null],
['23日',853,929,null,null],
['24日',666,703,null,null],
['25日',696,815,null,null],
['26日',790,872,null,null],
['27日',935,831,null,null],
['28日',711,787,null,null],
['29日',812,792,null,null],
['30日',924,769,null,null],
['31日',null,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:1000},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)
      }
    });
  }

});