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,131],
['2日',null,null,null,131],
['3日',null,172,null,172],
['4日',null,210,null,null],
['5日',null,207,null,null],
['6日',null,229,null,null],
['7日',null,193,null,193],
['8日',null,null,null,190],
['9日',null,184,null,184],
['10日',null,212,null,null],
['11日',null,248,null,null],
['12日',183,245,183,null],
['13日',204,307,null,null],
['14日',233,277,null,null],
['15日',247,242,null,null],
['16日',240,235,null,null],
['17日',143,251,143,null],
['18日',null,366,163,null],
['19日',173,386,173,null],
['20日',202,300,null,null],
['21日',207,135,null,135],
['22日',205,null,null,158],
['23日',235,193,null,193],
['24日',192,217,192,null],
['25日',null,223,180,null],
['26日',198,243,198,null],
['27日',209,258,null,null],
['28日',182,129,182,129],
['29日',199,null,199,118],
['30日',214,141,null,141],
['31日',164,null,164,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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});