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,134,null,134],
['2日',206,212,null,null],
['3日',245,281,null,null],
['4日',237,286,null,null],
['5日',233,294,null,null],
['6日',239,226,null,null],
['7日',208,204,null,null],
['8日',269,238,null,null],
['9日',274,293,null,null],
['10日',256,277,null,null],
['11日',154,226,154,null],
['12日',159,61,159,61],
['13日',235,null,null,66],
['14日',239,null,null,95],
['15日',249,157,null,157],
['16日',241,231,null,null],
['17日',241,214,null,null],
['18日',300,226,null,null],
['19日',266,256,null,null],
['20日',294,234,null,null],
['21日',251,221,null,null],
['22日',244,172,null,172],
['23日',253,193,null,193],
['24日',298,221,null,null],
['25日',236,246,null,null],
['26日',200,260,200,null],
['27日',206,194,null,194],
['28日',218,243,null,null],
['29日',293,48,null,48],
['30日',234,64,null,64],
['31日',220,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:350},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)
      }
    });
  }

});