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',215,310,null,null],
['2日',247,286,null,null],
['3日',292,40,null,40],
['4日',277,null,null,65],
['5日',116,null,116,100],
['6日',168,null,168,135],
['7日',213,null,null,173],
['8日',242,173,null,173],
['9日',286,208,null,null],
['10日',194,183,194,183],
['11日',null,null,197,117],
['12日',185,null,185,141],
['13日',206,null,null,152],
['14日',207,185,null,185],
['15日',281,222,null,null],
['16日',310,201,null,null],
['17日',293,164,null,164],
['18日',338,null,null,null],
['19日',172,null,172,null],
['20日',174,null,174,null],
['21日',218,null,null,null],
['22日',242,null,null,null],
['23日',260,null,null,null],
['24日',248,null,null,null],
['25日',285,null,null,null],
['26日',288,null,null,null],
['27日',292,null,null,null],
['28日',260,null,null,null],
['29日',291,null,null,null],
['30日',358,null,null,null],
['31日',null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:400},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=17 -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)
      }
    });
  }

});