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',787,525,null,null],
['2日',617,585,null,null],
['3日',678,597,null,null],
['4日',598,655,null,null],
['5日',558,662,null,null],
['6日',618,634,null,null],
['7日',637,802,null,null],
['8日',517,571,null,null],
['9日',717,668,null,null],
['10日',628,676,null,null],
['11日',492,596,null,null],
['12日',666,697,null,null],
['13日',716,698,null,null],
['14日',null,811,null,null],
['15日',615,823,null,null],
['16日',509,763,null,null],
['17日',553,null,null,null],
['18日',405,null,null,null],
['19日',478,555,null,null],
['20日',414,541,null,null],
['21日',388,797,null,null],
['22日',385,733,null,null],
['23日',526,752,null,null],
['24日',696,688,null,null],
['25日',823,702,null,null],
['26日',702,null,null,null],
['27日',682,769,null,null],
['28日',662,694,null,null],
['29日',821,701,null,null],
['30日',473,763,null,null],
['31日',557,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:900},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)
      }
    });
  }

});