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',291,null,null,166],
['2日',262,null,null,169],
['3日',277,191,null,191],
['4日',304,227,null,null],
['5日',312,255,null,null],
['6日',274,163,null,163],
['7日',283,182,null,182],
['8日',311,215,null,null],
['9日',237,234,null,null],
['10日',250,214,null,null],
['11日',212,231,null,null],
['12日',218,266,null,null],
['13日',255,206,null,null],
['14日',287,215,null,null],
['15日',313,227,null,null],
['16日',249,263,null,null],
['17日',263,298,null,null],
['18日',237,329,null,null],
['19日',200,331,200,null],
['20日',193,217,193,null],
['21日',216,222,null,null],
['22日',241,219,null,null],
['23日',222,228,null,null],
['24日',253,221,null,null],
['25日',257,256,null,null],
['26日',260,289,null,null],
['27日',276,269,null,null],
['28日',301,279,null,null],
['29日',336,273,null,null],
['30日',165,294,165,null],
['31日',null,null,169,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)
      }
    });
  }

});