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,143,null,143],
['2日',null,202,null,null],
['3日',null,238,null,null],
['4日',null,239,null,null],
['5日',230,241,null,null],
['6日',248,246,null,null],
['7日',250,223,null,null],
['8日',231,218,null,null],
['9日',177,224,177,null],
['10日',197,192,197,192],
['11日',220,198,null,198],
['12日',242,209,null,null],
['13日',258,179,null,179],
['14日',232,null,null,191],
['15日',241,null,null,175],
['16日',222,182,null,182],
['17日',217,215,null,null],
['18日',224,205,null,null],
['19日',229,187,null,187],
['20日',250,198,null,198],
['21日',186,204,186,null],
['22日',207,201,null,null],
['23日',219,209,null,null],
['24日',212,212,null,null],
['25日',203,217,null,null],
['26日',218,213,null,null],
['27日',224,199,null,199],
['28日',250,null,null,147],
['29日',251,null,null,158],
['30日',232,182,null,182],
['31日',230,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:300},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)
      }
    });
  }

});