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,267,null,null],
['2日',null,294,null,null],
['3日',325,274,null,null],
['4日',297,271,null,null],
['5日',285,277,null,null],
['6日',341,266,null,null],
['7日',319,315,null,null],
['8日',348,285,null,null],
['9日',348,290,null,null],
['10日',328,263,null,null],
['11日',326,288,null,null],
['12日',337,267,null,null],
['13日',249,274,null,null],
['14日',261,288,null,null],
['15日',270,278,null,null],
['16日',279,304,null,null],
['17日',295,293,null,null],
['18日',265,76,null,76],
['19日',243,null,null,123],
['20日',178,179,178,179],
['21日',null,208,40,null],
['22日',null,217,89,null],
['23日',null,223,125,null],
['24日',null,253,159,null],
['25日',196,225,196,null],
['26日',211,261,null,null],
['27日',215,276,null,null],
['28日',213,264,null,null],
['29日',231,259,null,null],
['30日',259,300,null,null],
['31日',231,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:350},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)
      }
    });
  }

});