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,214,null,null],
['2日',222,211,null,null],
['3日',303,248,null,null],
['4日',311,242,null,null],
['5日',286,286,null,null],
['6日',248,293,null,null],
['7日',260,279,null,null],
['8日',238,345,null,null],
['9日',291,292,null,null],
['10日',294,196,null,196],
['11日',310,242,null,null],
['12日',246,255,null,null],
['13日',222,327,null,null],
['14日',240,201,null,null],
['15日',221,235,null,null],
['16日',246,261,null,null],
['17日',260,323,null,null],
['18日',260,283,null,null],
['19日',245,256,null,null],
['20日',247,337,null,null],
['21日',281,317,null,null],
['22日',270,214,null,null],
['23日',265,146,null,146],
['24日',254,226,null,null],
['25日',146,235,146,null],
['26日',190,251,190,null],
['27日',224,191,null,191],
['28日',160,238,160,null],
['29日',201,176,null,176],
['30日',238,227,null,null],
['31日',254,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=2;

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

});