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',572,940,null,null],
['2日',418,560,null,null],
['3日',376,788,null,null],
['4日',306,714,null,null],
['5日',493,775,null,null],
['6日',611,648,null,null],
['7日',720,548,null,null],
['8日',292,831,null,null],
['9日',496,641,null,null],
['10日',239,861,null,null],
['11日',402,568,null,null],
['12日',590,659,null,null],
['13日',391,675,null,null],
['14日',583,185,null,185],
['15日',233,150,null,150],
['16日',331,227,null,null],
['17日',271,340,null,null],
['18日',398,310,null,null],
['19日',554,517,null,null],
['20日',618,748,null,null],
['21日',869,318,null,null],
['22日',762,531,null,null],
['23日',null,519,null,null],
['24日',561,834,null,null],
['25日',229,605,null,null],
['26日',309,237,null,null],
['27日',501,283,null,null],
['28日',307,478,null,null],
['29日',454,576,null,null],
['30日',621,677,null,null],
['31日',883,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)
      }
    });
  }

});