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,144],
['2日',305,null,null,190],
['3日',263,183,null,183],
['4日',265,330,null,null],
['5日',221,236,null,null],
['6日',230,225,null,null],
['7日',216,220,null,null],
['8日',215,221,null,null],
['9日',187,197,187,197],
['10日',203,208,null,null],
['11日',218,204,null,null],
['12日',195,192,195,192],
['13日',208,210,null,null],
['14日',212,188,null,188],
['15日',221,null,null,176],
['16日',223,null,null,159],
['17日',229,null,null,179],
['18日',165,null,165,179],
['19日',null,null,142,192],
['20日',179,null,179,183],
['21日',209,null,null,147],
['22日',214,null,null,148],
['23日',212,null,null,122],
['24日',215,189,null,189],
['25日',214,203,null,null],
['26日',188,194,188,194],
['27日',221,221,null,null],
['28日',204,166,null,166],
['29日',227,null,null,145],
['30日',234,146,null,146],
['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)
      }
    });
  }

});