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,308,null,null],
['2日',320,295,null,null],
['3日',319,360,null,null],
['4日',279,76,null,76],
['5日',374,null,null,138],
['6日',304,146,null,146],
['7日',209,234,null,null],
['8日',270,188,null,188],
['9日',444,238,null,null],
['10日',530,293,null,null],
['11日',246,273,null,null],
['12日',404,71,null,71],
['13日',586,129,null,129],
['14日',449,201,null,null],
['15日',226,217,null,null],
['16日',306,251,null,null],
['17日',501,364,null,null],
['18日',372,233,null,null],
['19日',505,251,null,null],
['20日',600,280,null,null],
['21日',663,268,null,null],
['22日',243,307,null,null],
['23日',245,206,null,null],
['24日',417,243,null,null],
['25日',571,207,null,null],
['26日',505,103,null,103],
['27日',625,189,null,189],
['28日',642,237,null,null],
['29日',81,217,81,null],
['30日',152,302,152,null],
['31日',254,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=2;

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

});