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',303,267,null,null],
['2日',332,259,null,null],
['3日',233,216,null,null],
['4日',232,217,null,null],
['5日',234,221,null,null],
['6日',247,246,null,null],
['7日',330,256,null,null],
['8日',342,257,null,null],
['9日',319,260,null,null],
['10日',416,246,null,null],
['11日',235,222,null,null],
['12日',292,123,null,123],
['13日',358,257,null,null],
['14日',315,351,null,null],
['15日',264,242,null,null],
['16日',252,255,null,null],
['17日',386,248,null,null],
['18日',338,206,null,null],
['19日',324,199,null,199],
['20日',372,271,null,null],
['21日',236,214,null,null],
['22日',291,263,null,null],
['23日',324,310,null,null],
['24日',330,199,null,199],
['25日',376,222,null,null],
['26日',445,350,null,null],
['27日',158,300,158,null],
['28日',207,375,null,null],
['29日',313,316,null,null],
['30日',488,376,null,null],
['31日',350,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=2;

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

});