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,230,null,null],
['2日',null,280,null,null],
['3日',201,191,null,191],
['4日',228,267,null,null],
['5日',194,244,194,null],
['6日',null,265,196,null],
['7日',null,184,129,184],
['8日',null,null,188,188],
['9日',129,null,129,114],
['10日',201,null,null,104],
['11日',144,null,144,102],
['12日',null,null,98,154],
['13日',null,null,135,146],
['14日',null,183,132,183],
['15日',null,263,187,null],
['16日',158,180,158,180],
['17日',215,null,null,152],
['18日',204,null,null,142],
['19日',137,null,137,114],
['20日',null,188,121,188],
['21日',null,238,164,null],
['22日',null,269,186,null],
['23日',200,174,200,174],
['24日',214,259,null,null],
['25日',221,191,null,191],
['26日',153,195,153,195],
['27日',183,249,183,null],
['28日',213,224,null,null],
['29日',221,219,null,null],
['30日',229,222,null,null],
['31日',199,null,199,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:300},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)
      }
    });
  }

});