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,455,null,null],
['2日',382,289,null,null],
['3日',596,338,null,null],
['4日',452,353,null,null],
['5日',560,90,null,90],
['6日',407,null,null,76],
['7日',474,187,null,187],
['8日',218,242,null,null],
['9日',269,316,null,null],
['10日',333,440,null,null],
['11日',307,428,null,null],
['12日',421,545,null,null],
['13日',509,613,null,null],
['14日',412,499,null,null],
['15日',548,468,null,null],
['16日',696,637,null,null],
['17日',519,708,null,null],
['18日',583,804,null,null],
['19日',398,565,null,null],
['20日',371,223,null,null],
['21日',307,386,null,null],
['22日',447,353,null,null],
['23日',523,95,null,95],
['24日',508,null,null,107],
['25日',446,172,null,172],
['26日',82,248,82,null],
['27日',null,465,122,null],
['28日',176,760,176,null],
['29日',307,813,null,null],
['30日',271,392,null,null],
['31日',329,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:900},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)
      }
    });
  }

});