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,148],
['2日',null,193,null,193],
['3日',null,203,null,null],
['4日',null,208,null,null],
['5日',null,198,null,198],
['6日',null,null,null,164],
['7日',null,null,null,147],
['8日',null,null,null,167],
['9日',null,null,null,196],
['10日',null,null,null,191],
['11日',null,null,null,185],
['12日',210,null,null,187],
['13日',215,null,null,157],
['14日',207,null,null,163],
['15日',211,null,null,166],
['16日',168,null,168,185],
['17日',null,null,158,170],
['18日',null,null,167,187],
['19日',183,null,183,195],
['20日',204,null,null,151],
['21日',208,null,null,137],
['22日',221,165,null,165],
['23日',202,215,null,null],
['24日',187,212,187,null],
['25日',205,202,null,null],
['26日',209,208,null,null],
['27日',182,177,182,177],
['28日',176,null,176,178],
['29日',205,null,null,171],
['30日',174,173,174,173],
['31日',null,null,126,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)
      }
    });
  }

});