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,242,null,null],
['2日',286,295,null,null],
['3日',284,271,null,null],
['4日',289,244,null,null],
['5日',332,284,null,null],
['6日',246,304,null,null],
['7日',289,239,null,null],
['8日',285,238,null,null],
['9日',314,216,null,null],
['10日',219,271,null,null],
['11日',205,257,null,null],
['12日',234,57,null,57],
['13日',246,null,null,96],
['14日',266,null,null,133],
['15日',297,184,null,184],
['16日',290,213,null,null],
['17日',267,228,null,null],
['18日',243,270,null,null],
['19日',316,269,null,null],
['20日',287,289,null,null],
['21日',394,213,null,null],
['22日',344,245,null,null],
['23日',239,283,null,null],
['24日',264,308,null,null],
['25日',331,249,null,null],
['26日',329,359,null,null],
['27日',306,400,null,null],
['28日',273,434,null,null],
['29日',253,52,null,52],
['30日',289,67,null,67],
['31日',153,null,153,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:500},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)
      }
    });
  }

});