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',330,253,null,null],
['2日',161,115,161,115],
['3日',null,null,149,133],
['4日',null,147,153,147],
['5日',170,216,170,null],
['6日',230,248,null,null],
['7日',270,237,null,null],
['8日',287,276,null,null],
['9日',273,127,null,127],
['10日',291,null,null,145],
['11日',271,196,null,196],
['12日',202,240,null,null],
['13日',195,253,195,null],
['14日',225,234,null,null],
['15日',252,257,null,null],
['16日',235,203,null,null],
['17日',245,224,null,null],
['18日',241,260,null,null],
['19日',203,271,null,null],
['20日',218,116,null,116],
['21日',266,null,null,141],
['22日',150,null,150,161],
['23日',null,182,149,182],
['24日',179,207,179,null],
['25日',229,194,null,194],
['26日',144,219,144,null],
['27日',null,217,123,null],
['28日',184,227,184,null],
['29日',245,222,null,null],
['30日',243,193,null,193],
['31日',225,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: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=4;

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

});