// Schema:
// date,AQIindex,PM2.5,PM10,CO,NO2,SO2
var schema = [
  { name: 'date', index: 0, text: '日' },
  { name: 'AQIindex', index: 1, text: 'AQI指数' },
  { name: 'PM25', index: 2, text: 'PM2.5' },
  { name: 'PM10', index: 3, text: 'PM10' },
  { name: 'CO', index: 4, text: '一氧化碳（CO）' },
  { name: 'NO2', index: 5, text: '二氧化氮（NO2）' },
  { name: 'SO2', index: 6, text: '二氧化硫（SO2）' }
];

var dataBJ = [
  [1, 55, 9, 56, 0.46, 18, 6, '良'],
  [2, 25, 11, 21, 0.65, 34, 9, '优'],
  [3, 56, 7, 63, 0.3, 14, 5, '良'],
  [4, 33, 7, 29, 0.33, 16, 6, '优'],
  [5, 42, 24, 44, 0.76, 40, 16, '优'],
  [6, 82, 58, 90, 1.77, 68, 33, '良'],
  [7, 74, 49, 77, 1.46, 48, 27, '良'],
  [8, 78, 55, 80, 1.29, 59, 29, '良'],
  [9, 267, 216, 280, '-', 108, 64, '重度污染'],
  [10, 185, 127, 216, 2.52, 61, 27, '中度污染'],
  [11, 39, 19, 38, 0.57, 31, 15, '优'],
  [12, 41, 11, 40, 0.43, 21, 7, '优'],
  [13, 64, 38, 74, 1.04, 46, 22, '良'],
  [14, 108, 79, 120, 1.7, 75, 41, '轻度污染'],
  [15, 108, 63, 116, 1.48, 44, 26, '轻度污染'],
  [16, 33, 6, 29, 0.34, 13, 5, '优'],
  [17, 94, 66, 110, 1.54, 62, 31, '良'],
  [18, 186, 142, 192, 3.88, 93, 79, '中度污染'],
  [19, 57, 31, 54, 0.96, 32, 14, '良'],
  [20, 22, 8, 17, 0.48, 23, 10, '优'],
  [21, 39, 15, 36, 0.61, 29, 13, '优'],
  [22, 94, 69, 114, 2.08, 73, 39, '良'],
  [23, 99, 73, 110, 2.43, 76, 48, '良'],
  [24, 31, 12, 30, 0.5, 32, 16, '优'],
  [25, 42, 27, 43, 1, 53, 22, '优'],
  [26, 154, 117, 157, 3.05, 92, 58, '中度污染'],
  [27, 234, 185, 230, 4.09, 123, 69, '重度污染'],
  [28, 160, 120, 186, 2.77, 91, 50, '中度污染'],
  [29, 134, 96, 165, 2.76, 83, 41, '轻度污染'],
  [30, 52, 24, 60, 1.03, 50, 21, '良'],
  [31, 46, 5, 49, 0.28, 10, 6, '优']
];

var dataGZ = [
  [1, 26, 37, 27, 1.163, 27, 13, '优'],
  [2, 85, 62, 71, 1.195, 60, 8, '良'],
  [3, 78, 38, 74, 1.363, 37, 7, '良'],
  [4, 21, 21, 36, 0.634, 40, 9, '优'],
  [5, 41, 42, 46, 0.915, 81, 13, '优'],
  [6, 56, 52, 69, 1.067, 92, 16, '良'],
  [7, 64, 30, 28, 0.924, 51, 2, '良'],
  [8, 55, 48, 74, 1.236, 75, 26, '良'],
  [9, 76, 85, 113, 1.237, 114, 27, '良'],
  [10, 91, 81, 104, 1.041, 56, 40, '良'],
  [11, 84, 39, 60, 0.964, 25, 11, '良'],
  [12, 64, 51, 101, 0.862, 58, 23, '良'],
  [13, 70, 69, 120, 1.198, 65, 36, '良'],
  [14, 77, 105, 178, 2.549, 64, 16, '良'],
  [15, 109, 68, 87, 0.996, 74, 29, '轻度污染'],
  [16, 73, 68, 97, 0.905, 51, 34, '良'],
  [17, 54, 27, 47, 0.592, 53, 12, '良'],
  [18, 51, 61, 97, 0.811, 65, 19, '良'],
  [19, 91, 71, 121, 1.374, 43, 18, '良'],
  [20, 73, 102, 182, 2.787, 44, 19, '良'],
  [21, 73, 50, 76, 0.717, 31, 20, '良'],
  [22, 84, 94, 140, 2.238, 68, 18, '良'],
  [23, 93, 77, 104, 1.165, 53, 7, '良'],
  [24, 99, 130, 227, 3.97, 55, 15, '良'],
  [25, 146, 84, 139, 1.094, 40, 17, '轻度污染'],
  [26, 113, 108, 137, 1.481, 48, 15, '轻度污染'],
  [27, 81, 48, 62, 1.619, 26, 3, '良'],
  [28, 56, 48, 68, 1.336, 37, 9, '良'],
  [29, 82, 92, 174, 3.29, 0, 13, '良'],
  [30, 106, 116, 188, 3.628, 101, 16, '轻度污染'],
  [31, 118, 50, 0, 1.383, 76, 11, '轻度污染']
];

var dataSH = [
  [1, 91, 45, 125, 0.82, 34, 23, '良'],
  [2, 65, 27, 78, 0.86, 45, 29, '良'],
  [3, 83, 60, 84, 1.09, 73, 27, '良'],
  [4, 109, 81, 121, 1.28, 68, 51, '轻度污染'],
  [5, 106, 77, 114, 1.07, 55, 51, '轻度污染'],
  [6, 109, 81, 121, 1.28, 68, 51, '轻度污染'],
  [7, 106, 77, 114, 1.07, 55, 51, '轻度污染'],
  [8, 89, 65, 78, 0.86, 51, 26, '良'],
  [9, 53, 33, 47, 0.64, 50, 17, '良'],
  [10, 80, 55, 80, 1.01, 75, 24, '良'],
  [11, 117, 81, 124, 1.03, 45, 24, '轻度污染'],
  [12, 99, 71, 142, 1.1, 62, 42, '良'],
  [13, 95, 69, 130, 1.28, 74, 50, '良'],
  [14, 116, 87, 131, 1.47, 84, 40, '轻度污染'],
  [15, 108, 80, 121, 1.3, 85, 37, '轻度污染'],
  [16, 134, 83, 167, 1.16, 57, 43, '轻度污染'],
  [17, 79, 43, 107, 1.05, 59, 37, '良'],
  [18, 71, 46, 89, 0.86, 64, 25, '良'],
  [19, 97, 71, 113, 1.17, 88, 31, '良'],
  [20, 84, 57, 91, 0.85, 55, 31, '良'],
  [21, 87, 63, 101, 0.9, 56, 41, '良'],
  [22, 104, 77, 119, 1.09, 73, 48, '轻度污染'],
  [23, 87, 62, 100, 1, 72, 28, '良'],
  [24, 168, 128, 172, 1.49, 97, 56, '中度污染'],
  [25, 65, 45, 51, 0.74, 39, 17, '良'],
  [26, 39, 24, 38, 0.61, 47, 17, '优'],
  [27, 39, 24, 39, 0.59, 50, 19, '优'],
  [28, 93, 68, 96, 1.05, 79, 29, '良'],
  [29, 188, 143, 197, 1.66, 99, 51, '中度污染'],
  [30, 174, 131, 174, 1.55, 108, 50, '中度污染'],
  [31, 187, 143, 201, 1.39, 89, 53, '中度污染']
];

var itemStyle = {
  normal: {
    opacity: 0.8,
    shadowBlur: 10,
    shadowOffsetX: 0,
    shadowOffsetY: 0,
    shadowColor: 'rgba(0, 0, 0, 0.5)'
  }
};

option = {
  color: ['#dd4444', '#fec42c', '#80F1BE'],
  legend: {
    top: 10,
    data: ['北京', '上海', '广州']
  },
  grid: {
    left: '10%',
    right: 200,
    top: '15%',
    bottom: '10%'
  },
  tooltip: {
    padding: 10,
    borderColor: '#777',
    borderWidth: 1,
    formatter: function (obj) {
      var value = obj.value;
      return '<div style="border-bottom: 1px solid #ccc;font-size: 18px;padding-bottom: 7px;margin-bottom: 7px">'
        + obj.seriesName + ' ' + value[0] + '日：'
        + value[7]
        + '</div>'
        + schema[1].text + '：' + value[1] + '<br>'
        + schema[2].text + '：' + value[2] + '<br>'
        + schema[3].text + '：' + value[3] + '<br>'
        + schema[4].text + '：' + value[4] + '<br>'
        + schema[5].text + '：' + value[5] + '<br>'
        + schema[6].text + '：' + value[6] + '<br>';
    }
  },
  xAxis: {
    type: 'value',
    name: '日期',
    nameGap: 16,
    nameTextStyle: {
      fontSize: 14
    },
    max: 31,
    splitLine: {
      show: false
    },
    axisLabel: {
      formatter: '{value}'
    }
  },
  yAxis: {
    type: 'value',
    name: 'AQI指数',
    nameLocation: 'end',
    nameGap: 20,
    nameTextStyle: {
      fontSize: 20
    },
    splitLine: {
      show: false
    }
  },
  visualMap: [
    {
      left: null,
      right: 0,
      dimension: 7,
      selected: {
        严重污染: false,
        重度污染: false
      },
      categories: ['严重污染', '重度污染', '中度污染', '轻度污染', '良', '优'],
      inRange: {
        symbolSize: 30,
        symbol: {
          优: 'diamond',
          '': 'circle'
        }
      },
      outOfRange: {
        color: '#000',
        symbolSize: {
          优: 50,
          '': 30
        },
        symbol: {
          优: 'diamond',
          '': 'circle'
        }
      }
    }
  ],
  series: [
    {
      name: '北京',
      type: 'scatter',
      itemStyle: itemStyle,
      data: dataBJ
    },
    {
      name: '上海',
      type: 'scatter',
      itemStyle: itemStyle,
      data: dataSH
    },
    {
      name: '广州',
      type: 'scatter',
      itemStyle: itemStyle,
      data: dataGZ
    }
  ]
};