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',null,226,66,null],
['2日',null,220,81,null],
['3日',null,220,126,null],
['4日',192,312,192,null],
['5日',211,270,null,null],
['6日',204,238,null,null],
['7日',232,294,null,null],
['8日',209,260,null,null],
['9日',276,346,null,null],
['10日',295,445,null,null],
['11日',278,263,null,null],
['12日',264,297,null,null],
['13日',300,334,null,null],
['14日',251,235,null,null],
['15日',186,365,186,null],
['16日',250,443,null,null],
['17日',262,569,null,null],
['18日',250,188,null,188],
['19日',252,206,null,null],
['20日',303,312,null,null],
['21日',349,351,null,null],
['22日',233,318,null,null],
['23日',229,370,null,null],
['24日',236,341,null,null],
['25日',248,395,null,null],
['26日',360,426,null,null],
['27日',312,380,null,null],
['28日',133,264,133,null],
['29日',154,345,154,null],
['30日',206,358,null,null],
['31日',136,null,136,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:600},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)
      }
    });
  }

});