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',230,214,null,null],
['2日',196,232,196,null],
['3日',null,174,174,174],
['4日',181,156,181,156],
['5日',217,202,null,null],
['6日',236,169,null,169],
['7日',236,202,null,null],
['8日',204,223,null,null],
['9日',146,242,146,null],
['10日',187,251,187,null],
['11日',214,239,null,null],
['12日',228,226,null,null],
['13日',240,185,null,185],
['14日',240,210,null,null],
['15日',227,227,null,null],
['16日',190,243,190,null],
['17日',214,226,null,null],
['18日',200,220,200,null],
['19日',228,238,null,null],
['20日',205,179,null,179],
['21日',219,213,null,null],
['22日',229,214,null,null],
['23日',216,241,null,null],
['24日',236,221,null,null],
['25日',232,200,null,200],
['26日',223,218,null,null],
['27日',231,197,null,197],
['28日',214,208,null,null],
['29日',229,231,null,null],
['30日',167,233,167,null],
['31日',214,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:300},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)
      }
    });
  }

});