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',263,351,null,null],
['2日',411,375,null,null],
['3日',292,303,null,null],
['4日',286,406,null,null],
['5日',245,342,null,null],
['6日',283,437,null,null],
['7日',243,414,null,null],
['8日',258,269,null,null],
['9日',289,228,null,null],
['10日',265,217,null,null],
['11日',275,228,null,null],
['12日',246,173,null,173],
['13日',105,224,105,null],
['14日',152,178,152,178],
['15日',212,191,null,191],
['16日',229,256,null,null],
['17日',255,224,null,null],
['18日',188,296,188,null],
['19日',220,445,null,null],
['20日',178,564,178,null],
['21日',287,247,null,null],
['22日',480,239,null,null],
['23日',252,230,null,null],
['24日',240,178,null,178],
['25日',214,214,null,null],
['26日',244,306,null,null],
['27日',240,273,null,null],
['28日',297,302,null,null],
['29日',324,249,null,null],
['30日',311,181,null,181],
['31日',392,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:600},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)
      }
    });
  }

});