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',290,316,null,null],
['2日',272,267,null,null],
['3日',240,257,null,null],
['4日',233,280,null,null],
['5日',262,315,null,null],
['6日',261,296,null,null],
['7日',279,261,null,null],
['8日',309,275,null,null],
['9日',304,323,null,null],
['10日',253,271,null,null],
['11日',278,298,null,null],
['12日',219,267,null,null],
['13日',229,205,null,null],
['14日',260,214,null,null],
['15日',253,250,null,null],
['16日',225,260,null,null],
['17日',238,285,null,null],
['18日',176,311,176,null],
['19日',null,354,124,null],
['20日',126,168,126,168],
['21日',207,246,null,null],
['22日',252,270,null,null],
['23日',200,294,200,null],
['24日',205,302,null,null],
['25日',244,287,null,null],
['26日',230,302,null,null],
['27日',223,273,null,null],
['28日',262,220,null,null],
['29日',225,284,null,null],
['30日',244,265,null,null],
['31日',330,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)
      }
    });
  }

});