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,248,null,null],
['2日',353,225,null,null],
['3日',326,241,null,null],
['4日',410,259,null,null],
['5日',484,280,null,null],
['6日',502,218,null,null],
['7日',793,231,null,null],
['8日',275,378,null,null],
['9日',323,204,null,null],
['10日',458,244,null,null],
['11日',643,273,null,null],
['12日',368,355,null,null],
['13日',508,238,null,null],
['14日',642,249,null,null],
['15日',396,294,null,null],
['16日',327,142,null,142],
['17日',498,null,null,186],
['18日',339,178,null,178],
['19日',427,226,null,null],
['20日',348,238,null,null],
['21日',483,210,null,null],
['22日',453,270,null,null],
['23日',398,98,null,98],
['24日',243,163,null,163],
['25日',333,221,null,null],
['26日',228,144,null,144],
['27日',246,null,null,168],
['28日',326,null,null,149],
['29日',321,null,null,142],
['30日',233,119,null,119],
['31日',270,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:800},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)
      }
    });
  }

});