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',287,null,null,157],
['2日',101,189,101,189],
['3日',null,230,118,null],
['4日',null,281,132,null],
['5日',191,328,191,null],
['6日',251,192,null,192],
['7日',298,201,null,null],
['8日',351,193,null,193],
['9日',249,232,null,null],
['10日',252,283,null,null],
['11日',286,336,null,null],
['12日',292,377,null,null],
['13日',287,266,null,null],
['14日',326,208,null,null],
['15日',343,223,null,null],
['16日',178,254,178,null],
['17日',183,255,183,null],
['18日',214,272,null,null],
['19日',244,289,null,null],
['20日',292,237,null,null],
['21日',334,262,null,null],
['22日',400,278,null,null],
['23日',302,311,null,null],
['24日',265,302,null,null],
['25日',290,298,null,null],
['26日',336,321,null,null],
['27日',338,151,null,151],
['28日',334,184,null,184],
['29日',193,211,193,null],
['30日',null,260,124,null],
['31日',null,null,159,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:450},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)
      }
    });
  }

});