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',345,299,null,null],
['2日',188,352,188,null],
['3日',238,376,null,null],
['4日',278,451,null,null],
['5日',352,433,null,null],
['6日',365,468,null,null],
['7日',356,424,null,null],
['8日',342,383,null,null],
['9日',296,404,null,null],
['10日',291,463,null,null],
['11日',327,449,null,null],
['12日',287,296,null,null],
['13日',377,271,null,null],
['14日',360,364,null,null],
['15日',376,387,null,null],
['16日',295,321,null,null],
['17日',271,350,null,null],
['18日',282,365,null,null],
['19日',320,127,null,127],
['20日',343,null,null,110],
['21日',345,null,null,137],
['22日',279,196,null,196],
['23日',291,235,null,null],
['24日',312,238,null,null],
['25日',305,269,null,null],
['26日',286,236,null,null],
['27日',291,169,null,169],
['28日',356,203,null,null],
['29日',372,231,null,null],
['30日',192,269,192,null],
['31日',242,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:500},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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});