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',207,223,null,null],
['2日',264,301,null,null],
['3日',202,296,null,null],
['4日',176,304,176,null],
['5日',196,336,196,null],
['6日',211,267,null,null],
['7日',228,205,null,null],
['8日',281,182,null,182],
['9日',245,null,null,186],
['10日',235,191,null,191],
['11日',166,242,166,null],
['12日',221,209,null,null],
['13日',300,234,null,null],
['14日',293,248,null,null],
['15日',328,220,null,null],
['16日',241,231,null,null],
['17日',185,299,185,null],
['18日',null,324,183,null],
['19日',186,365,186,null],
['20日',207,347,null,null],
['21日',263,218,null,null],
['22日',271,215,null,null],
['23日',270,236,null,null],
['24日',253,215,null,null],
['25日',210,55,null,55],
['26日',244,null,null,100],
['27日',219,null,null,93],
['28日',146,null,146,117],
['29日',225,null,null,117],
['30日',231,189,null,189],
['31日',225,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: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)
      }
    });
  }

});