// 模块方法
function basicLine () {
  return {
    color: ['#487EC1', '#48B9C1', '#A27DE2', '#32C0D6'],
    title: {},
    tooltip: {
      trigger: 'axis'
    },
    xAxis: {
      type: 'category',
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
    },
    yAxis: {
      type: 'value'
    },
    series: [{
      data: [820, 932, 901, 934, 1290, 1330, 1320],
      type: 'line'
    }]
  }
}

// 带有区域阴影的线形图
function areaLine () {
  return {
    color: ['#487EC1', '#48B9C1', '#A27DE2', '#32C0D6'],
    title: {},
    tooltip: {
      trigger: 'axis'
    },
    xAxis: {
      name: '日期',
      type: 'category',
      boundaryGap: false,
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
      axisTick: {
        show: false
      }
    },
    yAxis: {
      type: 'value',
      boundaryGap: [0, '100%']
    },
    series: [{
      type: 'line',
      smooth: true,
      symbol: 'none',
      sampling: 'average',
      itemStyle: {
        normal: {
          color: 'rgb(255, 70, 131)'
        }
      },
      areaStyle: {},
      data: [820, 932, 901, 934, 1290, 1330, 1320]
    }]
  }
}

// 环形饼图
function ringPie () {
  return {
    color: ['#487EC1', '#48B9C1', '#A27DE2', '#32C0D6'],
    title: {
      text: '',
      x: 'center'
    },
    tooltip: {
      trigger: 'item',
      formatter: '{a} <br/>{b}: {c} ({d}%)'
    },
    legend: {
      orient: 'vertical',
      x: 'left',
      data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
    },
    series: [
      {
        name: '访问来源',
        type: 'pie',
        radius: ['50%', '70%'],
        avoidLabelOverlap: false,
        label: {
          normal: {
            show: false,
            position: 'center'
          },
          emphasis: {
            show: true,
            textStyle: {
              fontSize: '30',
              fontWeight: 'bold'
            }
          }
        },
        labelLine: {
          normal: {
            show: false
          }
        },
        data: [
          { value: 335, name: '直接访问' },
          { value: 310, name: '邮件营销' },
          { value: 234, name: '联盟广告' },
          { value: 135, name: '视频广告' },
          { value: 1548, name: '搜索引擎' }
        ]
      }
    ]
  }
}

// 一般饼图
function simplePie (text) {
  return {
    color: ['#487EC1', '#48B9C1', '#A27DE2', '#32C0D6'],
    title: {
      text: text || '饼图',
      x: 'center'
    },
    tooltip: {
      trigger: 'item',
      formatter: '{a} <br/>{b} : {c} ({d}%)'
    },
    legend: {
      orient: 'vertical',
      left: 'left',
      data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
    },
    series: [{
      name: '访问来源',
      type: 'pie',
      radius: '55%',
      center: ['50%', '50%'],
      data: [
        { value: 335, name: '直接访问' },
        { value: 310, name: '邮件营销' },
        { value: 234, name: '联盟广告' },
        { value: 135, name: '视频广告' },
        { value: 1548, name: '搜索引擎' }
      ],
      itemStyle: {
        emphasis: {
          shadowBlur: 10,
          shadowOffsetX: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)'
        }
      }
    }]
  }
}

// 一般柱形图
function simpleBar (text) {
  return {
    backgroundColor: '#FFF',
    color: ['#487EC1', '#48B9C1', '#A27DE2', '#32C0D6'],
    title: {
      text: text || '柱形图',
      top: 0,
      left: '0',
      textStyle: {
        color: '#487EC1',
        fontSize: 14
      }
    },
    tooltip: {
      trigger: 'axis',
      axisPointer: {
        type: 'shadow'
      }
    },
    legend: {
      data: [],
      top: '18'
    },
    grid: {
      left: '3%',
      right: '5%',
      bottom: '3%',
      containLabel: true,
      show: false
    },
    toolbox: {
      feature: {
        dataView: { show: false, readOnly: false }
      }
    },
    xAxis: {
      type: 'category',
      boundaryGap: true,
      splitLine: {
        show: false
      },
      data: [],
      axisLine: {
        lineStyle: {
          color: '#333'
        }
      }
    },
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed',
          color: '#DDD'
        }
      },
      axisLine: {
        show: false,
        lineStyle: {
          color: '#333'
        }
      },
      nameTextStyle: {
        color: '#999'
      },
      splitArea: {
        show: false
      }
    },
    series: [{
      type: 'bar',
      data: []
    }]
  }
}
export { basicLine, areaLine, ringPie, simplePie, simpleBar }