# frozen_string_literal: false
require 'rdoc/test_case'

class TestRDocMarkupFormatter < RDoc::TestCase

  class ToTest < RDoc::Markup::Formatter

    def initialize markup
      super nil, markup

      add_tag :TT, '<code>', '</code>'
    end

    def accept_paragraph paragraph
      @res << attributes(paragraph.text)
    end

    def attributes text
      convert_flow @am.flow text.dup
    end

    def handle_special_CAPS special
      "handled #{special.text}"
    end

    def start_accepting
      @res = ""
    end

    def end_accepting
      @res
    end

  end

  def setup
    super

    @markup = @RM.new
    @markup.add_special(/[A-Z]+/, :CAPS)

    @attribute_manager = @markup.attribute_manager
    @attributes = @attribute_manager.attributes

    @to = ToTest.new @markup

    @caps    = @attributes.bitmap_for :CAPS
    @special = @attributes.bitmap_for :_SPECIAL_
    @tt      = @attributes.bitmap_for :TT
  end

  def test_class_gen_relative_url
    def gen(from, to)
      RDoc::Markup::ToHtml.gen_relative_url from, to
    end

    assert_equal 'a.html',    gen('a.html',   'a.html')
    assert_equal 'b.html',    gen('a.html',   'b.html')

    assert_equal 'd.html',    gen('a/c.html', 'a/d.html')
    assert_equal '../a.html', gen('a/c.html', 'a.html')
    assert_equal 'a/c.html',  gen('a.html',   'a/c.html')
  end

  def special_names
    @attribute_manager.special.map do |_, mask|
      @attributes.as_string mask
    end
  end

  def test_add_special_RDOCLINK
    @to.add_special_RDOCLINK

    assert_includes special_names, 'RDOCLINK'

    def @to.handle_special_RDOCLINK special
      "<#{special.text}>"
    end

    document = doc(para('{foo}[rdoc-label:bar].'))

    formatted = document.accept @to

    assert_equal '{foo}[<rdoc-label:bar>].', formatted
  end

  def test_add_special_TIDYLINK
    @to.add_special_TIDYLINK

    assert_includes special_names, 'TIDYLINK'

    def @to.handle_special_TIDYLINK special
      "<#{special.text}>"
    end

    document = doc(para('foo[rdoc-label:bar].'))

    formatted = document.accept @to

    assert_equal '<foo[rdoc-label:bar]>.', formatted

    document = doc(para('{foo}[rdoc-label:bar].'))

    formatted = document.accept @to

    assert_equal '<{foo}[rdoc-label:bar]>.', formatted
  end

  def test_parse_url
    scheme, url, id = @to.parse_url 'example/foo'

    assert_equal 'http',        scheme
    assert_equal 'example/foo', url
    assert_equal nil,           id
  end

  def test_parse_url_anchor
    scheme, url, id = @to.parse_url '#foottext-1'

    assert_equal nil,           scheme
    assert_equal '#foottext-1', url
    assert_equal nil,           id
  end

  def test_parse_url_link
    scheme, url, id = @to.parse_url 'link:README.txt'

    assert_equal 'link',       scheme
    assert_equal 'README.txt', url
    assert_equal nil,          id
  end

  def test_parse_url_link_id
    scheme, url, id = @to.parse_url 'link:README.txt#label-foo'

    assert_equal 'link',                 scheme
    assert_equal 'README.txt#label-foo', url
    assert_equal nil,                    id
  end

  def test_parse_url_rdoc_label
    scheme, url, id = @to.parse_url 'rdoc-label:foo'

    assert_equal 'link', scheme
    assert_equal '#foo', url
    assert_equal nil,    id

    scheme, url, id = @to.parse_url 'rdoc-label:foo:bar'

    assert_equal 'link',      scheme
    assert_equal '#foo',      url
    assert_equal ' id="bar"', id
  end

  def test_parse_url_scheme
    scheme, url, id = @to.parse_url 'http://example/foo'

    assert_equal 'http',               scheme
    assert_equal 'http://example/foo', url
    assert_equal nil,                  id

    scheme, url, id = @to.parse_url 'https://example/foo'

    assert_equal 'https',               scheme
    assert_equal 'https://example/foo', url
    assert_equal nil,                   id
  end

  def test_convert_tt_special
    converted = @to.convert '<code>AAA</code>'

    assert_equal '<code>AAA</code>', converted
  end

end