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,219,null,null],
['2日',null,285,null,null],
['3日',null,240,null,null],
['4日',163,301,163,null],
['5日',null,324,173,null],
['6日',191,306,191,null],
['7日',213,154,null,154],
['8日',251,218,null,null],
['9日',249,298,null,null],
['10日',75,316,75,null],
['11日',null,339,72,null],
['12日',null,366,84,null],
['13日',null,317,111,null],
['14日',163,92,163,92],
['15日',228,null,null,124],
['16日',241,null,null,154],
['17日',96,187,96,187],
['18日',null,212,148,null],
['19日',190,232,190,null],
['20日',205,228,null,null],
['21日',214,94,null,94],
['22日',203,null,null,121],
['23日',250,191,null,191],
['24日',122,252,122,null],
['25日',null,132,97,132],
['26日',null,null,78,146],
['27日',null,null,116,123],
['28日',null,null,86,148],
['29日',null,null,116,89],
['30日',null,112,121,112],
['31日',null,null,180,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:400},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)
      }
    });
  }

});