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',394,210,null,null],
['2日',260,187,null,187],
['3日',229,207,null,null],
['4日',172,249,172,null],
['5日',null,241,166,null],
['6日',null,213,111,null],
['7日',null,211,151,null],
['8日',null,247,186,null],
['9日',null,252,169,null],
['10日',null,185,157,185],
['11日',null,210,146,null],
['12日',null,245,147,null],
['13日',null,266,194,null],
['14日',null,316,124,null],
['15日',null,265,140,null],
['16日',null,273,146,null],
['17日',null,327,140,null],
['18日',156,191,156,191],
['19日',202,248,null,null],
['20日',214,243,null,null],
['21日',164,224,164,null],
['22日',null,224,164,null],
['23日',158,251,158,null],
['24日',203,260,null,null],
['25日',184,253,184,null],
['26日',null,250,151,null],
['27日',149,309,149,null],
['28日',207,304,null,null],
['29日',243,230,null,null],
['30日',236,230,null,null],
['31日',237,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=2;

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

});