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',268,245,null,null],
['2日',151,228,151,null],
['3日',null,207,95,null],
['4日',null,147,58,147],
['5日',null,null,58,174],
['6日',null,null,61,152],
['7日',123,null,123,120],
['8日',249,null,null,141],
['9日',231,null,null,155],
['10日',163,null,163,117],
['11日',null,151,152,151],
['12日',null,210,144,null],
['13日',null,232,154,null],
['14日',null,202,138,null],
['15日',null,184,114,184],
['16日',null,null,127,55],
['17日',null,null,148,58],
['18日',null,null,151,65],
['19日',null,null,159,52],
['20日',null,null,156,49],
['21日',null,null,169,120],
['22日',166,null,166,158],
['23日',255,null,null,164],
['24日',303,null,null,188],
['25日',233,null,null,158],
['26日',263,null,null,171],
['27日',227,null,null,144],
['28日',246,null,null,154],
['29日',240,null,null,155],
['30日',245,172,null,172],
['31日',246,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)
      }
    });
  }

});