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,null,null,163],
['2日',null,198,null,198],
['3日',null,232,null,null],
['4日',null,250,null,null],
['5日',null,213,null,null],
['6日',null,188,null,188],
['7日',null,null,null,193],
['8日',null,187,null,187],
['9日',149,252,149,null],
['10日',null,237,170,null],
['11日',183,259,183,null],
['12日',221,241,null,null],
['13日',286,160,null,160],
['14日',313,null,null,154],
['15日',254,null,null,132],
['16日',165,null,165,197],
['17日',null,null,157,171],
['18日',156,199,156,199],
['19日',208,202,null,null],
['20日',226,95,null,95],
['21日',260,null,null,145],
['22日',228,164,null,164],
['23日',136,204,136,null],
['24日',null,233,166,null],
['25日',165,232,165,null],
['26日',222,182,null,182],
['27日',247,null,null,107],
['28日',248,null,null,119],
['29日',220,null,null,140],
['30日',104,158,104,158],
['31日',null,null,118,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:350},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)
      }
    });
  }

});