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,156,194,156],
['2日',null,204,167,null],
['3日',null,203,172,null],
['4日',null,161,178,161],
['5日',null,null,166,198],
['6日',null,null,183,199],
['7日',200,null,200,165],
['8日',211,174,null,174],
['9日',203,220,null,null],
['10日',222,222,null,null],
['11日',205,225,null,null],
['12日',202,190,null,190],
['13日',204,null,null,196],
['14日',200,null,200,172],
['15日',null,185,166,185],
['16日',null,224,148,null],
['17日',144,232,144,null],
['18日',207,200,null,200],
['19日',226,207,null,null],
['20日',217,175,null,175],
['21日',237,null,null,175],
['22日',228,195,null,195],
['23日',210,231,null,null],
['24日',204,164,null,164],
['25日',182,202,182,null],
['26日',207,227,null,null],
['27日',203,212,null,null],
['28日',172,213,172,null],
['29日',null,187,161,187],
['30日',null,216,182,null],
['31日',null,null,198,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:250},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)
      }
    });
  }

});