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',276,194,null,194],
['2日',227,323,null,null],
['3日',300,443,null,null],
['4日',176,496,176,null],
['5日',202,204,null,null],
['6日',223,271,null,null],
['7日',264,464,null,null],
['8日',423,623,null,null],
['9日',480,246,null,null],
['10日',234,225,null,null],
['11日',219,201,null,null],
['12日',240,230,null,null],
['13日',361,283,null,null],
['14日',122,379,122,null],
['15日',177,108,177,108],
['16日',243,null,null,165],
['17日',254,186,null,186],
['18日',250,250,null,null],
['19日',149,311,149,null],
['20日',null,275,134,null],
['21日',183,304,183,null],
['22日',276,308,null,null],
['23日',336,415,null,null],
['24日',244,266,null,null],
['25日',267,354,null,null],
['26日',302,264,null,null],
['27日',509,259,null,null],
['28日',550,312,null,null],
['29日',161,290,161,null],
['30日',156,102,156,102],
['31日',206,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:700},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)
      }
    });
  }

});