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',318,null,null,195],
['2日',321,null,null,100],
['3日',302,97,null,97],
['4日',291,214,null,null],
['5日',217,230,null,null],
['6日',224,97,null,97],
['7日',241,208,null,null],
['8日',309,224,null,null],
['9日',292,283,null,null],
['10日',275,207,null,null],
['11日',222,283,null,null],
['12日',297,340,null,null],
['13日',112,286,112,null],
['14日',205,311,null,null],
['15日',304,277,null,null],
['16日',279,263,null,null],
['17日',328,217,null,null],
['18日',271,250,null,null],
['19日',124,298,124,null],
['20日',null,346,115,null],
['21日',null,361,98,null],
['22日',156,336,156,null],
['23日',262,227,null,null],
['24日',242,167,null,167],
['25日',304,215,null,null],
['26日',64,249,64,null],
['27日',104,291,104,null],
['28日',218,217,null,null],
['29日',262,226,null,null],
['30日',287,255,null,null],
['31日',256,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: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=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)
      }
    });
  }

});