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,471,86,null],
['2日',null,469,77,null],
['3日',null,512,92,null],
['4日',null,399,107,null],
['5日',null,390,74,null],
['6日',null,290,96,null],
['7日',null,266,109,null],
['8日',null,327,148,null],
['9日',null,366,143,null],
['10日',null,414,117,null],
['11日',null,368,99,null],
['12日',null,381,139,null],
['13日',null,296,128,null],
['14日',null,391,146,null],
['15日',null,490,176,null],
['16日',null,475,194,null],
['17日',140,437,140,null],
['18日',209,358,null,null],
['19日',259,492,null,null],
['20日',342,453,null,null],
['21日',340,430,null,null],
['22日',367,490,null,null],
['23日',285,458,null,null],
['24日',212,626,null,null],
['25日',234,609,null,null],
['26日',254,125,null,125],
['27日',273,null,null,116],
['28日',304,null,null,149],
['29日',334,null,null,198],
['30日',311,125,null,125],
['31日',431,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:700},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)
      }
    });
  }

});