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,null,null,95],
['2日',138,null,138,103],
['3日',218,128,null,128],
['4日',206,239,null,null],
['5日',215,233,null,null],
['6日',188,177,188,177],
['7日',218,221,null,null],
['8日',216,263,null,null],
['9日',243,134,null,134],
['10日',270,null,null,92],
['11日',289,null,null,133],
['12日',302,195,null,195],
['13日',249,233,null,null],
['14日',222,254,null,null],
['15日',284,213,null,null],
['16日',260,243,null,null],
['17日',306,330,null,null],
['18日',334,323,null,null],
['19日',297,382,null,null],
['20日',7,430,7,null],
['21日',null,545,8,null],
['22日',null,340,25,null],
['23日',null,454,47,null],
['24日',null,384,58,null],
['25日',null,420,82,null],
['26日',null,136,80,136],
['27日',null,155,73,155],
['28日',null,238,94,null],
['29日',null,285,130,null],
['30日',null,280,190,null],
['31日',null,null,122,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)
      }
    });
  }

});