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',415,null,null,97],
['2日',246,null,null,193],
['3日',181,null,181,143],
['4日',316,154,null,154],
['5日',490,231,null,null],
['6日',731,260,null,null],
['7日',975,403,null,null],
['8日',null,643,null,null],
['9日',null,926,null,null],
['10日',587,300,null,null],
['11日',514,229,null,null],
['12日',826,400,null,null],
['13日',575,648,null,null],
['14日',949,123,null,123],
['15日',267,207,null,null],
['16日',515,146,null,146],
['17日',704,219,null,null],
['18日',null,381,null,null],
['19日',192,349,192,null],
['20日',354,536,null,null],
['21日',265,864,null,null],
['22日',246,424,null,null],
['23日',293,683,null,null],
['24日',516,495,null,null],
['25日',490,767,null,null],
['26日',185,992,185,null],
['27日',367,822,null,null],
['28日',157,292,157,null],
['29日',156,104,156,104],
['30日',338,201,null,null],
['31日',457,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:1000},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)
      }
    });
  }

});