var number = require('commonform-number')
var assert = require('assert')

var A = {form: {content: ['A']}}
var B = {form: {content: ['B']}}

assert.deepEqual(
  number({content: ['blah', A, B]}),
  {
    form: {
      content: {
        1: {
          numbering: [
            {
              series: {number: 1, of: 1},
              element: {number: 1, of: 2}
            }
          ]
        },
        2: {
          numbering: [
            {
              series: {number: 1, of: 1},
              element: {number: 2, of: 2}
            }
          ]
        }
      }
    },
    headings: {}
  },
  'numbers children'
)

assert.deepEqual(
  number({content: [A, 'blah', B]}),
  {
    form: {
      content: {
        0: {
          numbering: [
            {
              series: {number: 1, of: 2},
              element: {number: 1, of: 1}
            }
          ]
        },
        2: {
          numbering: [
            {
              series: {number: 2, of: 2},
              element: {number: 1, of: 1}
            }
          ]
        }
      }
    },
    headings: {}
  },
  'numbers non-contiguous series'
)

var first = [
  {
    series: {number: 1, of: 1},
    element: {number: 1, of: 2}
  }
]

var second = [
  {
    series: {number: 1, of: 1},
    element: {number: 2, of: 2}
  }
]

assert.deepEqual(
  number({
    content: [
      {
        heading: 'A',
        form: {content: ['text']}
      },
      {
        heading: 'A',
        form: {content: ['another']}
      }
    ]
  }),
  {
    form: {
      content: {
        0: {numbering: first},
        1: {numbering: second}
      }
    },
    headings: {A: [first, second]}
  },
  'maps headings to numberings'
)

var form = {
  content: [
    'before',
    {
      heading: 'A',
      form: {
        conspicuous: 'yes',
        content: [
          'before',
          {form: {content: ['B']}},
          {form: {content: ['C']}},
          'between',
          {form: {content: ['D']}},
          {form: {content: ['E']}},
          'after'
        ]
      }
    },
    'after'
  ]
}

assert.deepEqual(
  number(form).form,
  {
    content: {
      1: {
        numbering: [
          {
            series: {number: 1, of: 1},
            element: {number: 1, of: 1}
          }
        ],
        form: {
          content: {
            1: {
              numbering: [
                {
                  series: {number: 1, of: 1},
                  element: {number: 1, of: 1}
                },
                {
                  series: {number: 1, of: 2},
                  element: {number: 1, of: 2}
                }
              ]
            },
            2: {
              numbering: [
                {
                  series: {number: 1, of: 1},
                  element: {number: 1, of: 1}
                },
                {
                  series: {number: 1, of: 2},
                  element: {number: 2, of: 2}
                }
              ]
            },
            4: {
              numbering: [
                {
                  series: {number: 1, of: 1},
                  element: {number: 1, of: 1}
                },
                {
                  series: {number: 2, of: 2},
                  element: {number: 1, of: 2}
                }
              ]
            },
            5: {
              numbering: [
                {
                  series: {number: 1, of: 1},
                  element: {number: 1, of: 1}
                },
                {
                  series: {number: 2, of: 2},
                  element: {number: 2, of: 2}
                }
              ]
            }
          }
        }
      }
    }
  },
  'numbers nested children'
)

assert.deepEqual(
  number({
    content: [
      {
        component: 'https://example.com/component',
        version: '1.0.0',
        substitutions: { terms: {}, headings: {} }
      }
    ]
  }).form,
  {
    content: {
      0: {
        numbering: [
          {
            series: {number: 1, of: 1},
            element: {number: 1, of: 1}
          }
        ]
      }
    }
  },
  'numbers component'
)