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,210,null,null],
['2日',null,180,null,180],
['3日',286,214,null,null],
['4日',234,217,null,null],
['5日',241,204,null,null],
['6日',261,165,null,165],
['7日',211,151,null,151],
['8日',217,201,null,null],
['9日',217,221,null,null],
['10日',203,239,null,null],
['11日',230,169,null,169],
['12日',208,212,null,null],
['13日',210,189,null,189],
['14日',201,196,null,196],
['15日',182,206,182,null],
['16日',null,191,172,191],
['17日',null,208,194,null],
['18日',null,169,162,169],
['19日',null,null,186,169],
['20日',184,null,184,133],
['21日',240,null,null,130],
['22日',194,null,194,136],
['23日',212,null,null,175],
['24日',200,null,200,176],
['25日',204,null,null,188],
['26日',164,null,164,163],
['27日',216,null,null,129],
['28日',221,null,null,131],
['29日',223,null,null,175],
['30日',202,161,null,161],
['31日',192,null,192,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:300},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)
      }
    });
  }

});