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',289,345,null,null],
['2日',138,116,138,116],
['3日',191,177,191,177],
['4日',242,293,null,null],
['5日',212,260,null,null],
['6日',210,331,null,null],
['7日',150,235,150,null],
['8日',262,341,null,null],
['9日',232,322,null,null],
['10日',267,258,null,null],
['11日',301,160,null,160],
['12日',365,null,null,86],
['13日',160,191,160,191],
['14日',147,210,147,null],
['15日',243,272,null,null],
['16日',302,239,null,null],
['17日',369,301,null,null],
['18日',407,219,null,null],
['19日',313,221,null,null],
['20日',356,292,null,null],
['21日',239,null,null,null],
['22日',310,null,null,null],
['23日',249,null,null,null],
['24日',228,null,null,null],
['25日',278,null,null,null],
['26日',314,null,null,null],
['27日',152,null,152,null],
['28日',127,null,127,null],
['29日',206,null,null,null],
['30日',273,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:500},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=20 -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)
      }
    });
  }

});