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,66,156],
['2日',null,null,69,104],
['3日',null,null,84,103],
['4日',null,null,92,93],
['5日',null,null,111,112],
['6日',null,null,69,81],
['7日',null,null,95,102],
['8日',null,null,101,103],
['9日',null,null,93,90],
['10日',null,null,108,103],
['11日',null,null,119,137],
['12日',null,null,105,112],
['13日',null,null,99,126],
['14日',null,null,101,113],
['15日',null,null,106,121],
['16日',null,null,97,108],
['17日',null,null,107,103],
['18日',null,null,117,114],
['19日',null,null,119,114],
['20日',null,null,112,107],
['21日',null,null,119,108],
['22日',null,null,117,120],
['23日',null,null,100,80],
['24日',null,null,100,83],
['25日',null,null,74,94],
['26日',null,null,94,87],
['27日',null,null,79,84],
['28日',null,null,95,131],
['29日',null,null,131,124],
['30日',null,95,127,95],
['31日',null,null,123,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:200},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)
      }
    });
  }

});