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',232,270,null,null],
['2日',253,276,null,null],
['3日',272,299,null,null],
['4日',198,311,198,null],
['5日',null,317,114,null],
['6日',192,351,192,null],
['7日',266,344,null,null],
['8日',290,361,null,null],
['9日',325,326,null,null],
['10日',310,249,null,null],
['11日',239,234,null,null],
['12日',154,256,154,null],
['13日',226,224,null,null],
['14日',268,242,null,null],
['15日',239,243,null,null],
['16日',207,237,null,null],
['17日',215,209,null,null],
['18日',273,200,null,200],
['19日',89,231,89,null],
['20日',154,244,154,null],
['21日',209,268,null,null],
['22日',207,100,null,100],
['23日',248,null,null,132],
['24日',256,null,null,197],
['25日',274,199,null,199],
['26日',266,246,null,null],
['27日',150,268,150,null],
['28日',229,251,null,null],
['29日',213,296,null,null],
['30日',253,242,null,null],
['31日',376,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)
      }
    });
  }

});