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,185,null,185],
['2日',null,276,null,null],
['3日',null,309,null,null],
['4日',null,251,null,null],
['5日',null,254,null,null],
['6日',null,133,null,133],
['7日',229,192,null,192],
['8日',197,251,197,null],
['9日',null,279,177,null],
['10日',null,276,178,null],
['11日',163,281,163,null],
['12日',257,235,null,null],
['13日',315,105,null,105],
['14日',350,null,null,139],
['15日',307,154,null,154],
['16日',141,243,141,null],
['17日',null,122,133,122],
['18日',190,162,190,162],
['19日',228,253,null,null],
['20日',255,208,null,null],
['21日',305,106,null,106],
['22日',216,176,null,176],
['23日',194,212,194,null],
['24日',207,253,null,null],
['25日',238,251,null,null],
['26日',289,233,null,null],
['27日',292,106,null,106],
['28日',231,null,null,132],
['29日',249,null,null,146],
['30日',90,198,90,198],
['31日',null,null,146,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:400},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)
      }
    });
  }

});