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',245,218,null,null],
['2日',236,257,null,null],
['3日',228,281,null,null],
['4日',251,302,null,null],
['5日',283,318,null,null],
['6日',282,138,null,138],
['7日',284,null,null,173],
['8日',308,196,null,196],
['9日',139,215,139,null],
['10日',null,225,142,null],
['11日',null,225,164,null],
['12日',199,222,199,null],
['13日',213,219,null,null],
['14日',224,249,null,null],
['15日',240,285,null,null],
['16日',212,301,null,null],
['17日',221,310,null,null],
['18日',238,320,null,null],
['19日',253,320,null,null],
['20日',252,270,null,null],
['21日',259,266,null,null],
['22日',254,293,null,null],
['23日',244,317,null,null],
['24日',237,316,null,null],
['25日',269,311,null,null],
['26日',298,305,null,null],
['27日',301,146,null,146],
['28日',305,null,null,150],
['29日',320,181,null,181],
['30日',169,214,169,null],
['31日',null,null,187,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)
      }
    });
  }

});