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',298,797,null,null],
['2日',202,265,null,null],
['3日',273,171,null,171],
['4日',250,295,null,null],
['5日',302,381,null,null],
['6日',316,304,null,null],
['7日',379,429,null,null],
['8日',251,253,null,null],
['9日',364,339,null,null],
['10日',178,585,178,null],
['11日',237,171,null,171],
['12日',209,202,null,null],
['13日',353,234,null,null],
['14日',279,355,null,null],
['15日',370,236,null,null],
['16日',399,341,null,null],
['17日',288,76,null,76],
['18日',251,null,null,106],
['19日',174,null,174,190],
['20日',223,154,null,154],
['21日',280,268,null,null],
['22日',348,227,null,null],
['23日',436,296,null,null],
['24日',434,248,null,null],
['25日',211,128,null,128],
['26日',294,217,null,null],
['27日',251,218,null,null],
['28日',282,357,null,null],
['29日',408,283,null,null],
['30日',505,370,null,null],
['31日',491,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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});