@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700);

body {
  font-family: "Open Sans", Arial;
  background: #EDEDED;
}
main {
  width: 500px;
  margin: 10px auto;
  padding: 10px 20px 30px;
  background: #FFF;
  box-shadow: 0 3px 5px rgba(0,0,0,0.2);
}
p {
  margin-top: 2rem;
  font-size: 13px;
}
#bar-chart {
  width: 500px;
  height: 300px;
  position: relative;
}
#line-chart {
  width: 500px;
  height: 300px;
  position: relative;
}
#bar-chart::before, #line-chart::before {
  content: "";
  position: absolute;
  display: block;
  width: 240px;
  height: 30px;
  left: 155px;
  top: 254px;
  background: #FAFAFA;
  box-shadow: 1px 1px 0 0 #DDD;
}
#pie-chart {
  width: 500px;
  height: 250px;
  position: relative;
}
#pie-chart::before {
  content: "";
  position: absolute;
  display: block;
  width: 120px;
  height: 115px;
  left: 315px;
  top: 0;
  background: #FAFAFA;
  box-shadow: 1px 1px 0 0 #DDD;
}
#pie-chart::after {
  content: "";
  position: absolute;
  display: block;
  top: 260px;
  left: 70px;
  width: 170px;
  height: 2px;
  background: rgba(0,0,0,0.1);
  border-radius: 50%;
  box-shadow: 0 0 3px 4px rgba(0,0,0,0.1);
}

google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawCharts);
function drawCharts() {
  
 //Char User
  var data = new google.visualization.DataTable();
      data.addColumn('number', 'X');
      data.addColumn('number', 'Dogs');

      data.addRows([
        [0, 0],   [1, 10],  [2, 23],  [3, 17],  [4, 18],  [5, 9],
        [6, 11],  [7, 27],  [8, 33],  [9, 40],  [10, 32], [11, 35],
        [12, 30], [13, 40], [14, 42], [15, 47], [16, 44], [17, 48],
        [18, 52], [19, 54], [20, 42], [21, 55], [22, 56], [23, 57],
        [24, 60], [25, 50], [26, 52], [27, 51], [28, 49], [29, 53],
        [30, 55], [31, 60], [32, 61], [33, 59], [34, 62], [35, 65],
        [36, 62], [37, 58], [38, 55], [39, 61], [40, 64], [41, 65],
        [42, 63], [43, 66], [44, 67], [45, 69], [46, 69], [47, 70],
        [48, 72], [49, 68], [50, 66], [51, 65], [52, 67], [53, 70],
        [54, 71], [55, 72], [56, 73], [57, 75], [58, 70], [59, 68],
        [60, 64], [61, 60], [62, 65], [63, 67], [64, 68], [65, 69],
        [66, 70], [67, 72], [68, 75], [69, 80]
      ]);

      var options = {
        hAxis: {
          title: 'Time'
        },
        vAxis: {
          title: 'Popularity'
        },
        backgroundColor: '#f1f8e9'
      };

      var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
      chart.draw(data, options);
  // BEGIN BAR CHART
  /*
  // create zero data so the bars will 'grow'
  var barZeroData = google.visualization.arrayToDataTable([
    ['Day', 'Page Views', 'Unique Views'],
    ['Sun',  0,      0],
    ['Mon',  0,      0],
    ['Tue',  0,      0],
    ['Wed',  0,      0],
    ['Thu',  0,      0],
    ['Fri',  0,      0],
    ['Sat',  0,      0]
  ]);
	*/
  // actual bar chart data
  var barData = google.visualization.arrayToDataTable([
    ['Day', 'Page Views', 'Unique Views'],
    ['Sun',  1050,      600],
    ['Mon',  1370,      910],
    ['Tue',  660,       400],
    ['Wed',  1030,      540],
    ['Thu',  1000,      480],
    ['Fri',  1170,      960],
    ['Sat',  660,       320]
  ]);
  // set bar chart options
  var barOptions = {
    focusTarget: 'category',
    backgroundColor: 'transparent',
    colors: ['cornflowerblue', 'tomato'],
    fontName: 'Open Sans',
    chartArea: {
      left: 50,
      top: 10,
      width: '100%',
      height: '70%'
    },
    bar: {
      groupWidth: '80%'
    },
    hAxis: {
      textStyle: {
        fontSize: 11
      }
    },
    vAxis: {
      minValue: 0,
      maxValue: 1500,
      baselineColor: '#DDD',
      gridlines: {
        color: '#DDD',
        count: 4
      },
      textStyle: {
        fontSize: 11
      }
    },
    legend: {
      position: 'bottom',
      textStyle: {
        fontSize: 12
      }
    },
    animation: {
      duration: 1200,
      easing: 'out',
			startup: true
    }
  };
  // draw bar chart twice so it animates
  var barChart = new google.visualization.ColumnChart(document.getElementById('bar-chart'));
  //barChart.draw(barZeroData, barOptions);
  barChart.draw(barData, barOptions);
  
  // BEGIN LINE GRAPH
  
  function randomNumber(base, step) {
    return Math.floor((Math.random()*step)+base);
  }
  function createData(year, start1, start2, step, offset) {
    var ar = [];
    for (var i = 0; i < 12; i++) {
      ar.push([new Date(year, i), randomNumber(start1, step)+offset, randomNumber(start2, step)+offset]);
    }
    return ar;
  }
  var randomLineData = [
    ['Year', 'Page Views', 'Unique Views']
  ];
  for (var x = 0; x < 7; x++) {
    var newYear = createData(2010+x, 10000, 5000, 4000, 800*Math.pow(x,2));
    for (var n = 0; n < 12; n++) {
      randomLineData.push(newYear.shift());
    }
  }
  var lineData = google.visualization.arrayToDataTable(randomLineData);
  
	
  var animLineData = [
    ['Year', 'Page Views', 'Unique Views']
  ];
  for (var x = 0; x < 7; x++) {
    var zeroYear = createData(2007+x, 0, 0, 0, 0);
    for (var n = 0; n < 12; n++) {
      animLineData.push(zeroYear.shift());
    }
  }
  var zeroLineData = google.visualization.arrayToDataTable(animLineData);
	

  var lineOptions = {
    backgroundColor: 'transparent',
    colors: ['cornflowerblue', 'tomato'],
    fontName: 'Open Sans',
    focusTarget: 'category',
    chartArea: {
      left: 50,
      top: 10,
      width: '100%',
      height: '70%'
    },
    hAxis: {
      //showTextEvery: 12,
      textStyle: {
        fontSize: 11
      },
      baselineColor: 'transparent',
      gridlines: {
        color: 'transparent'
      }
    },
    vAxis: {
      minValue: 0,
      maxValue: 50000,
      baselineColor: '#DDD',
      gridlines: {
        color: '#DDD',
        count: 4
      },
      textStyle: {
        fontSize: 11
      }
    },
    legend: {
      position: 'bottom',
      textStyle: {
        fontSize: 12
      }
    },
    animation: {
      duration: 1200,
      easing: 'out',
			startup: true
    }
  };

  var lineChart = new google.visualization.LineChart(document.getElementById('line-chart'));
  //lineChart.draw(zeroLineData, lineOptions);
  lineChart.draw(lineData, lineOptions);
  
  // BEGIN PIE CHART
  
  // pie chart data
  var pieData = google.visualization.arrayToDataTable([
    ['Country', 'Page Hits'],
    ['USA',      7242],
    ['Canada',   4563],
    ['Mexico',   1345],
    ['Sweden',    946],
    ['Germany',  2150]
  ]);
  // pie chart options
  var pieOptions = {
    backgroundColor: 'transparent',
    pieHole: 0.4,
    colors: [ "cornflowerblue", 
              "olivedrab", 
              "orange", 
              "tomato", 
              "crimson", 
              "purple", 
              "turquoise", 
              "forestgreen", 
              "navy", 
              "gray"],
    pieSliceText: 'value',
    tooltip: {
      text: 'percentage'
    },
    fontName: 'Open Sans',
    chartArea: {
      width: '100%',
      height: '94%'
    },
    legend: {
      textStyle: {
        fontSize: 13
      }
    }
  };
  // draw pie chart
  var pieChart = new google.visualization.PieChart(document.getElementById('pie-chart'));
  pieChart.draw(pieData, pieOptions);
}