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,175,144,175],
['2日',null,217,171,null],
['3日',null,200,153,200],
['4日',null,null,130,180],
['5日',null,199,142,199],
['6日',null,205,174,null],
['7日',null,224,164,null],
['8日',null,226,149,null],
['9日',null,243,134,null],
['10日',null,226,141,null],
['11日',null,201,104,null],
['12日',null,194,157,194],
['13日',null,202,155,null],
['14日',148,200,148,200],
['15日',202,null,null,190],
['16日',204,193,null,193],
['17日',139,236,139,null],
['18日',null,239,163,null],
['19日',192,251,192,null],
['20日',232,212,null,null],
['21日',164,177,164,177],
['22日',198,217,198,null],
['23日',204,270,null,null],
['24日',201,224,null,null],
['25日',204,207,null,null],
['26日',220,216,null,null],
['27日',184,198,184,198],
['28日',null,170,196,170],
['29日',187,203,187,null],
['30日',205,127,null,127],
['31日',139,null,139,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=4;

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

});