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',283,553,null,null],
['2日',242,619,null,null],
['3日',288,503,null,null],
['4日',327,467,null,null],
['5日',424,494,null,null],
['6日',444,430,null,null],
['7日',393,470,null,null],
['8日',527,517,null,null],
['9日',287,696,null,null],
['10日',255,564,null,null],
['11日',349,851,null,null],
['12日',429,954,null,null],
['13日',509,318,null,null],
['14日',728,444,null,null],
['15日',349,444,null,null],
['16日',387,504,null,null],
['17日',392,578,null,null],
['18日',436,424,null,null],
['19日',374,394,null,null],
['20日',431,497,null,null],
['21日',593,575,null,null],
['22日',662,763,null,null],
['23日',419,989,null,null],
['24日',493,571,null,null],
['25日',628,758,null,null],
['26日',348,411,null,null],
['27日',363,344,null,null],
['28日',542,498,null,null],
['29日',460,387,null,null],
['30日',427,403,null,null],
['31日',455,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)
      }
    });
  }

});