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',263,237,null,null],
['2日',179,179,179,179],
['3日',203,259,null,null],
['4日',210,316,null,null],
['5日',246,448,null,null],
['6日',315,262,null,null],
['7日',288,224,null,null],
['8日',398,221,null,null],
['9日',297,263,null,null],
['10日',260,241,null,null],
['11日',210,236,null,null],
['12日',166,325,166,null],
['13日',174,71,174,71],
['14日',241,null,null,83],
['15日',256,null,null,123],
['16日',212,null,null,163],
['17日',177,null,177,187],
['18日',223,null,null,191],
['19日',238,null,null,160],
['20日',240,185,null,185],
['21日',221,222,null,null],
['22日',249,263,null,null],
['23日',267,284,null,null],
['24日',289,278,null,null],
['25日',252,166,null,166],
['26日',274,162,null,162],
['27日',278,204,null,null],
['28日',254,240,null,null],
['29日',252,287,null,null],
['30日',259,151,null,151],
['31日',208,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:500},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)
      }
    });
  }

});