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,241,180,null],
['2日',null,233,200,null],
['3日',null,248,166,null],
['4日',null,253,150,null],
['5日',null,263,175,null],
['6日',null,242,162,null],
['7日',175,266,175,null],
['8日',204,287,null,null],
['9日',201,237,null,null],
['10日',211,283,null,null],
['11日',176,256,176,null],
['12日',null,256,137,null],
['13日',null,293,133,null],
['14日',null,265,138,null],
['15日',null,239,143,null],
['16日',147,246,147,null],
['17日',204,252,null,null],
['18日',195,252,195,null],
['19日',203,291,null,null],
['20日',214,290,null,null],
['21日',261,297,null,null],
['22日',254,270,null,null],
['23日',250,242,null,null],
['24日',246,267,null,null],
['25日',240,269,null,null],
['26日',264,312,null,null],
['27日',247,251,null,null],
['28日',257,247,null,null],
['29日',233,211,null,null],
['30日',238,193,null,193],
['31日',257,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:350},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=4;

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

});