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,414,null,null],
['2日',173,278,173,null],
['3日',123,439,123,null],
['4日',221,374,null,null],
['5日',281,537,null,null],
['6日',392,719,null,null],
['7日',357,431,null,null],
['8日',357,291,null,null],
['9日',311,307,null,null],
['10日',237,393,null,null],
['11日',318,366,null,null],
['12日',274,658,null,null],
['13日',262,166,null,166],
['14日',341,206,null,null],
['15日',365,210,null,null],
['16日',461,214,null,null],
['17日',480,264,null,null],
['18日',333,249,null,null],
['19日',331,251,null,null],
['20日',360,321,null,null],
['21日',319,199,null,199],
['22日',346,230,null,null],
['23日',338,244,null,null],
['24日',280,219,null,null],
['25日',269,278,null,null],
['26日',396,285,null,null],
['27日',335,325,null,null],
['28日',343,355,null,null],
['29日',269,348,null,null],
['30日',292,207,null,null],
['31日',348,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:800},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)
      }
    });
  }

});