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',255,157,null,157],
['2日',187,208,187,null],
['3日',216,246,null,null],
['4日',225,306,null,null],
['5日',200,336,200,null],
['6日',225,332,null,null],
['7日',265,254,null,null],
['8日',280,75,null,75],
['9日',269,null,null,101],
['10日',159,null,159,148],
['11日',205,173,null,173],
['12日',101,217,101,null],
['13日',173,121,173,121],
['14日',230,null,null,129],
['15日',322,null,null,156],
['16日',179,144,179,144],
['17日',151,204,151,null],
['18日',215,233,null,null],
['19日',233,231,null,null],
['20日',245,227,null,null],
['21日',213,234,null,null],
['22日',215,208,null,null],
['23日',264,81,null,81],
['24日',300,132,null,132],
['25日',101,234,101,null],
['26日',null,254,93,null],
['27日',null,116,128,116],
['28日',177,null,177,123],
['29日',221,null,null,131],
['30日',124,66,124,66],
['31日',null,null,115,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=4;

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

});