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,192,127,192],
['2日',null,210,187,null],
['3日',193,266,193,null],
['4日',207,220,null,null],
['5日',225,221,null,null],
['6日',292,247,null,null],
['7日',215,205,null,null],
['8日',248,252,null,null],
['9日',291,220,null,null],
['10日',316,119,null,119],
['11日',285,130,null,130],
['12日',287,211,null,null],
['13日',183,262,183,null],
['14日',141,253,141,null],
['15日',202,256,null,null],
['16日',215,167,null,167],
['17日',163,null,163,183],
['18日',224,185,null,185],
['19日',237,223,null,null],
['20日',203,236,null,null],
['21日',192,285,192,null],
['22日',245,113,null,113],
['23日',305,null,null,117],
['24日',263,168,null,168],
['25日',149,220,149,null],
['26日',null,173,126,173],
['27日',null,null,142,188],
['28日',null,198,159,198],
['29日',null,210,106,null],
['30日',null,229,128,null],
['31日',null,null,140,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:350},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)
      }
    });
  }

});