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,null,null,44],
['2日',null,85,null,85],
['3日',137,206,137,null],
['4日',null,225,142,null],
['5日',154,258,154,null],
['6日',231,198,null,198],
['7日',304,null,null,91],
['8日',223,null,null,108],
['9日',140,127,140,127],
['10日',null,254,81,null],
['11日',null,172,82,172],
['12日',null,280,144,null],
['13日',null,154,181,154],
['14日',140,146,140,146],
['15日',231,206,null,null],
['16日',177,151,177,151],
['17日',null,null,95,143],
['18日',null,null,155,164],
['19日',null,null,121,181],
['20日',null,184,145,184],
['21日',161,309,161,null],
['22日',216,431,null,null],
['23日',167,330,167,null],
['24日',null,262,153,null],
['25日',189,171,189,171],
['26日',208,241,null,null],
['27日',143,174,143,174],
['28日',null,219,196,null],
['29日',164,281,164,null],
['30日',219,300,null,null],
['31日',51,null,51,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: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=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)
      }
    });
  }

});