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',205,null,null,137],
['2日',233,168,null,168],
['3日',252,204,null,null],
['4日',254,218,null,null],
['5日',300,201,null,null],
['6日',316,215,null,null],
['7日',334,215,null,null],
['8日',164,209,164,null],
['9日',201,217,null,null],
['10日',217,233,null,null],
['11日',216,236,null,null],
['12日',229,257,null,null],
['13日',260,261,null,null],
['14日',278,253,null,null],
['15日',303,214,null,null],
['16日',293,218,null,null],
['17日',272,218,null,null],
['18日',242,221,null,null],
['19日',263,267,null,null],
['20日',260,319,null,null],
['21日',262,344,null,null],
['22日',300,317,null,null],
['23日',337,318,null,null],
['24日',352,341,null,null],
['25日',304,337,null,null],
['26日',323,81,null,81],
['27日',338,null,null,113],
['28日',332,null,null,149],
['29日',84,165,84,165],
['30日',null,203,108,null],
['31日',null,null,134,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:400},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)
      }
    });
  }

});