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',254,444,null,null],
['2日',334,625,null,null],
['3日',298,480,null,null],
['4日',424,308,null,null],
['5日',525,367,null,null],
['6日',546,375,null,null],
['7日',225,358,null,null],
['8日',208,419,null,null],
['9日',261,595,null,null],
['10日',255,630,null,null],
['11日',352,250,null,null],
['12日',458,286,null,null],
['13日',398,422,null,null],
['14日',328,434,null,null],
['15日',246,488,null,null],
['16日',249,566,null,null],
['17日',378,525,null,null],
['18日',555,269,null,null],
['19日',496,349,null,null],
['20日',532,387,null,null],
['21日',363,394,null,null],
['22日',362,407,null,null],
['23日',495,409,null,null],
['24日',366,383,null,null],
['25日',356,316,null,null],
['26日',408,446,null,null],
['27日',519,490,null,null],
['28日',262,460,null,null],
['29日',329,604,null,null],
['30日',342,490,null,null],
['31日',331,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)
      }
    });
  }

});