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',203,null,null,178],
['2日',187,183,187,183],
['3日',null,201,180,null],
['4日',null,187,166,187],
['5日',179,183,179,183],
['6日',207,203,null,null],
['7日',219,212,null,null],
['8日',188,201,188,null],
['9日',204,215,null,null],
['10日',208,207,null,null],
['11日',205,222,null,null],
['12日',188,207,188,null],
['13日',199,67,199,67],
['14日',210,null,null,84],
['15日',195,null,195,103],
['16日',null,null,70,123],
['17日',null,null,76,140],
['18日',null,176,108,176],
['19日',null,213,130,null],
['20日',null,174,141,174],
['21日',200,null,200,173],
['22日',203,null,null,180],
['23日',201,null,null,192],
['24日',202,null,null,179],
['25日',204,178,null,178],
['26日',193,204,193,null],
['27日',203,201,null,null],
['28日',206,202,null,null],
['29日',229,153,null,153],
['30日',225,185,null,185],
['31日',172,null,172,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:250},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)
      }
    });
  }

});