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,207,null,null],
['2日',255,272,null,null],
['3日',255,304,null,null],
['4日',257,254,null,null],
['5日',192,264,192,null],
['6日',null,259,199,null],
['7日',null,182,107,182],
['8日',137,210,137,null],
['9日',211,207,null,null],
['10日',205,226,null,null],
['11日',258,252,null,null],
['12日',243,227,null,null],
['13日',150,212,150,null],
['14日',208,184,null,184],
['15日',251,191,null,191],
['16日',248,218,null,null],
['17日',263,259,null,null],
['18日',213,241,null,null],
['19日',228,245,null,null],
['20日',210,281,null,null],
['21日',210,215,null,null],
['22日',217,228,null,null],
['23日',220,222,null,null],
['24日',260,229,null,null],
['25日',304,181,null,181],
['26日',220,232,null,null],
['27日',204,247,null,null],
['28日',150,241,150,null],
['29日',181,251,181,null],
['30日',212,220,null,null],
['31日',253,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:350},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)
      }
    });
  }

});