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',499,573,null,null],
['2日',528,587,null,null],
['3日',597,703,null,null],
['4日',678,887,null,null],
['5日',795,820,null,null],
['6日',935,923,null,null],
['7日',837,693,null,null],
['8日',496,760,null,null],
['9日',650,826,null,null],
['10日',598,669,null,null],
['11日',568,784,null,null],
['12日',730,null,null,null],
['13日',597,945,null,null],
['14日',650,null,null,null],
['15日',632,963,null,null],
['16日',862,902,null,null],
['17日',774,766,null,null],
['18日',745,934,null,null],
['19日',620,612,null,null],
['20日',822,662,null,null],
['21日',867,474,null,null],
['22日',802,434,null,null],
['23日',931,451,null,null],
['24日',320,547,null,null],
['25日',390,622,null,null],
['26日',486,731,null,null],
['27日',597,424,null,null],
['28日',685,513,null,null],
['29日',618,293,null,null],
['30日',622,443,null,null],
['31日',596,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:1000},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)
      }
    });
  }

});