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,342,null,null],
['2日',null,286,null,null],
['3日',233,287,null,null],
['4日',202,221,null,null],
['5日',81,263,81,null],
['6日',132,252,132,null],
['7日',242,307,null,null],
['8日',224,251,null,null],
['9日',238,112,null,112],
['10日',329,150,null,150],
['11日',258,240,null,null],
['12日',187,224,187,null],
['13日',290,228,null,null],
['14日',386,310,null,null],
['15日',194,324,194,null],
['16日',218,215,null,null],
['17日',264,275,null,null],
['18日',201,335,null,null],
['19日',182,234,182,null],
['20日',269,228,null,null],
['21日',407,206,null,null],
['22日',223,214,null,null],
['23日',243,189,null,189],
['24日',260,254,null,null],
['25日',242,355,null,null],
['26日',177,268,177,null],
['27日',267,320,null,null],
['28日',386,397,null,null],
['29日',262,255,null,null],
['30日',293,226,null,null],
['31日',369,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:500},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)
      }
    });
  }

});