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',325,162,null,162],
['2日',253,221,null,null],
['3日',195,187,195,187],
['4日',218,207,null,null],
['5日',287,265,null,null],
['6日',387,257,null,null],
['7日',326,207,null,null],
['8日',344,182,null,182],
['9日',423,201,null,null],
['10日',348,226,null,null],
['11日',199,249,199,null],
['12日',235,268,null,null],
['13日',317,211,null,null],
['14日',240,217,null,null],
['15日',263,174,null,174],
['16日',290,205,null,null],
['17日',249,275,null,null],
['18日',151,301,151,null],
['19日',183,437,183,null],
['20日',204,238,null,null],
['21日',177,239,177,null],
['22日',215,204,null,null],
['23日',233,232,null,null],
['24日',258,216,null,null],
['25日',117,230,117,null],
['26日',168,282,168,null],
['27日',208,252,null,null],
['28日',249,228,null,null],
['29日',237,204,null,null],
['30日',146,224,146,null],
['31日',212,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:500},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)
      }
    });
  }

});