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',225,411,null,null],
['2日',295,303,null,null],
['3日',375,277,null,null],
['4日',280,79,null,79],
['5日',385,153,null,153],
['6日',317,201,null,null],
['7日',194,273,194,null],
['8日',null,379,143,null],
['9日',193,294,193,null],
['10日',297,216,null,null],
['11日',345,254,null,null],
['12日',251,238,null,null],
['13日',261,248,null,null],
['14日',234,330,null,null],
['15日',284,338,null,null],
['16日',223,215,null,null],
['17日',237,286,null,null],
['18日',243,221,null,null],
['19日',369,293,null,null],
['20日',279,346,null,null],
['21日',103,376,103,null],
['22日',152,392,152,null],
['23日',210,340,null,null],
['24日',289,348,null,null],
['25日',388,317,null,null],
['26日',326,347,null,null],
['27日',399,186,null,186],
['28日',393,240,null,null],
['29日',338,232,null,null],
['30日',383,322,null,null],
['31日',395,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)
      }
    });
  }

});