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,335,null,null],
['2日',null,291,null,null],
['3日',null,358,null,null],
['4日',null,375,null,null],
['5日',null,339,null,null],
['6日',null,432,null,null],
['7日',null,429,null,null],
['8日',null,511,null,null],
['9日',null,441,null,null],
['10日',null,399,null,null],
['11日',null,395,null,null],
['12日',null,487,null,null],
['13日',390,113,null,113],
['14日',426,null,null,110],
['15日',344,null,null,178],
['16日',340,198,null,198],
['17日',326,235,null,null],
['18日',381,224,null,null],
['19日',400,247,null,null],
['20日',355,240,null,null],
['21日',357,307,null,null],
['22日',326,310,null,null],
['23日',367,313,null,null],
['24日',251,277,null,null],
['25日',270,278,null,null],
['26日',362,254,null,null],
['27日',254,230,null,null],
['28日',329,271,null,null],
['29日',285,314,null,null],
['30日',256,200,null,200],
['31日',293,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:600},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)
      }
    });
  }

});