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,642,null,null],
['2日',null,869,null,null],
['3日',222,881,null,null],
['4日',232,599,null,null],
['5日',265,564,null,null],
['6日',263,682,null,null],
['7日',400,664,null,null],
['8日',563,533,null,null],
['9日',492,470,null,null],
['10日',539,540,null,null],
['11日',651,379,null,null],
['12日',849,662,null,null],
['13日',350,71,null,71],
['14日',563,null,null,75],
['15日',517,null,null,118],
['16日',738,null,null,189],
['17日',637,null,null,177],
['18日',728,null,null,54],
['19日',852,null,null,55],
['20日',930,null,null,105],
['21日',247,null,null,129],
['22日',327,200,null,200],
['23日',435,271,null,null],
['24日',566,274,null,null],
['25日',733,197,null,197],
['26日',335,214,null,null],
['27日',405,247,null,null],
['28日',536,166,null,166],
['29日',469,null,null,177],
['30日',444,171,null,171],
['31日',498,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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});