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,194,null,194],
['2日',245,240,null,null],
['3日',213,278,null,null],
['4日',159,253,159,null],
['5日',229,285,null,null],
['6日',218,293,null,null],
['7日',218,293,null,null],
['8日',191,264,191,null],
['9日',243,265,null,null],
['10日',205,254,null,null],
['11日',177,178,177,178],
['12日',219,null,null,154],
['13日',206,null,null,135],
['14日',205,174,null,174],
['15日',183,220,183,null],
['16日',221,213,null,null],
['17日',267,228,null,null],
['18日',249,248,null,null],
['19日',240,188,null,188],
['20日',251,251,null,null],
['21日',225,232,null,null],
['22日',257,221,null,null],
['23日',255,193,null,193],
['24日',159,219,159,null],
['25日',215,256,null,null],
['26日',279,177,null,177],
['27日',244,223,null,null],
['28日',250,241,null,null],
['29日',204,254,null,null],
['30日',124,257,124,null],
['31日',208,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: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=2;

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

});