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,297,null,null],
['2日',null,319,null,null],
['3日',229,235,null,null],
['4日',300,228,null,null],
['5日',283,225,null,null],
['6日',226,235,null,null],
['7日',216,237,null,null],
['8日',123,253,123,null],
['9日',187,243,187,null],
['10日',201,294,null,null],
['11日',219,272,null,null],
['12日',209,129,null,129],
['13日',223,195,null,195],
['14日',144,231,144,null],
['15日',null,183,120,183],
['16日',null,218,127,null],
['17日',null,304,198,null],
['18日',null,242,146,null],
['19日',null,187,198,187],
['20日',null,243,183,null],
['21日',null,206,194,null],
['22日',null,222,118,null],
['23日',null,251,144,null],
['24日',null,250,188,null],
['25日',153,217,153,null],
['26日',208,212,null,null],
['27日',158,265,158,null],
['28日',216,271,null,null],
['29日',223,246,null,null],
['30日',240,318,null,null],
['31日',269,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: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)
      }
    });
  }

});