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',257,234,null,null],
['2日',222,250,null,null],
['3日',213,255,null,null],
['4日',221,202,null,null],
['5日',229,214,null,null],
['6日',256,237,null,null],
['7日',255,245,null,null],
['8日',206,254,null,null],
['9日',220,268,null,null],
['10日',238,266,null,null],
['11日',245,266,null,null],
['12日',207,225,null,null],
['13日',220,243,null,null],
['14日',225,259,null,null],
['15日',220,269,null,null],
['16日',235,200,null,200],
['17日',256,223,null,null],
['18日',282,252,null,null],
['19日',282,230,null,null],
['20日',268,257,null,null],
['21日',269,264,null,null],
['22日',229,290,null,null],
['23日',247,291,null,null],
['24日',280,291,null,null],
['25日',272,181,null,181],
['26日',294,215,null,null],
['27日',315,234,null,null],
['28日',323,262,null,null],
['29日',188,267,188,null],
['30日',212,145,null,145],
['31日',222,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)
      }
    });
  }

});