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,563,null,null],
['2日',null,669,null,null],
['3日',653,679,null,null],
['4日',553,682,null,null],
['5日',699,271,null,null],
['6日',978,463,null,null],
['7日',358,567,null,null],
['8日',449,735,null,null],
['9日',598,677,null,null],
['10日',753,958,null,null],
['11日',669,314,null,null],
['12日',797,443,null,null],
['13日',594,468,null,null],
['14日',427,516,null,null],
['15日',721,587,null,null],
['16日',866,484,null,null],
['17日',857,398,null,null],
['18日',781,429,null,null],
['19日',632,432,null,null],
['20日',870,516,null,null],
['21日',427,596,null,null],
['22日',456,760,null,null],
['23日',363,964,null,null],
['24日',590,667,null,null],
['25日',529,393,null,null],
['26日',516,539,null,null],
['27日',673,512,null,null],
['28日',363,764,null,null],
['29日',552,716,null,null],
['30日',609,729,null,null],
['31日',511,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:1000},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)
      }
    });
  }

});