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',471,266,null,null],
['2日',546,479,null,null],
['3日',715,492,null,null],
['4日',529,678,null,null],
['5日',551,457,null,null],
['6日',427,507,null,null],
['7日',568,457,null,null],
['8日',537,497,null,null],
['9日',627,684,null,null],
['10日',501,693,null,null],
['11日',775,362,null,null],
['12日',773,408,null,null],
['13日',567,458,null,null],
['14日',531,575,null,null],
['15日',483,835,null,null],
['16日',307,289,null,null],
['17日',396,404,null,null],
['18日',384,623,null,null],
['19日',447,503,null,null],
['20日',552,416,null,null],
['21日',531,516,null,null],
['22日',445,422,null,null],
['23日',456,376,null,null],
['24日',394,428,null,null],
['25日',340,490,null,null],
['26日',280,313,null,null],
['27日',284,329,null,null],
['28日',462,331,null,null],
['29日',637,412,null,null],
['30日',458,365,null,null],
['31日',313,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:900},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)
      }
    });
  }

});