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,427,null,null],
['2日',null,341,null,null],
['3日',329,379,null,null],
['4日',451,292,null,null],
['5日',386,117,null,117],
['6日',500,190,null,190],
['7日',527,238,null,null],
['8日',98,251,98,null],
['9日',161,297,161,null],
['10日',245,299,null,null],
['11日',229,277,null,null],
['12日',267,215,null,null],
['13日',334,263,null,null],
['14日',325,261,null,null],
['15日',223,358,null,null],
['16日',259,329,null,null],
['17日',313,497,null,null],
['18日',364,410,null,null],
['19日',362,162,null,162],
['20日',420,237,null,null],
['21日',343,256,null,null],
['22日',201,259,null,null],
['23日',226,248,null,null],
['24日',237,271,null,null],
['25日',335,67,null,67],
['26日',231,null,null,103],
['27日',293,197,null,197],
['28日',264,203,null,null],
['29日',144,237,144,null],
['30日',253,259,null,null],
['31日',344,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:600},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)
      }
    });
  }

});