module StandardWorks

# File lib/standard_works/abbreviations.rb, line 10
def self.abrv
  {
    # This one Is Opposite due to how the references are stored
    'Doctrine and Covenants' => 'D&C',

    # POG
    'Abr.' => 'Abraham',
    'JS-M' => 'Joseph Smith—Matthew',
    'JS-H' => 'Joseph Smith—History',
    'A of F' => 'Articles of Faith',

    # Others
    'Gen.' => 'Genesis',
    'Ex.' => 'Exodus',
    'Lev.' => 'Leviticus',
    'Num.' => 'Numbers',
    'Deut.' => 'Deuteronomy',
    'Josh.' => 'Joshua',
    'Judg.' => 'Judges',
    '1 Sam.' => '1 Samuel',
    '2 Sam.' => '2 Samuel',
    '1 Kgs.' => '1 Kings',
    '2 Kgs.' => '2 Kings',
    '1 Chr.' => '1 Chronicles',
    '2 Chr.' => '2 Chronicles',
    'Neh.' => 'Nehemiah',
    'Esth.' => 'Esther',
    'Ps.' => 'Psalms',
    'Prov.' => 'Proverbs',
    'Eccl.' => 'Ecclesiastes',
    'Song.' => 'Song of Solomon',
    'Isa.' => 'Isaiah',
    'Jer.' => 'Jeremiah',
    'Lam.' => 'Lamentations',
    'Ezek.' => 'Ezekiel',
    'Dan.' => 'Daniel',
    'Obad.' => 'Obadiah',
    'Hab.' => 'Habakkuk',
    'Zeph.' => 'Zephaniah',
    'Hag.' => 'Haggai',
    'Zech.' => 'Zechariah',
    'Mal.' => 'Malachi',
    'Matt.' => 'Matthew',
    'Rom.' => 'Romans',
    '1 Cor.' => '1 Corinthians',
    '2 Cor.' => '2 Corinthians',
    'Gal.' => 'Galatians',
    'Eph.' => 'Ephesians',
    'Philip.' => 'Philippians',
    'Col.' => 'Colossians',
    '1 Thes.' => '1 Thessalonians',
    '2 Thes.' => '2 Thessalonians',
    '1 Tim.' => '1 Timothy',
    '2 Tim.' => '2 Timothy',
    'Philem.' => 'Philemon',
    'Heb.' => 'Hebrews',
    '1 Pet.' => '1 Peter',
    '2 Pet.' => '2 Peter',
    '1 Jn.' => '1 John',
    '2 Jn.' => '2 John',
    '3 Jn.' => '3 John',
    'Rev.' => 'Revelation',
    '1 Ne.' => '1 Nephi',
    '2 Ne.' => '2 Nephi',
    'W of M' => 'Words of Mormon',
    'Hel.' => 'Helaman',
    '3 Ne.' => '3 Nephi',
    '4 Ne.' => '4 Nephi',
    'Morm.' => 'Mormon',
    'Moro.' => 'Moroni'
  }
end

# File lib/standard_works/file_helper.rb, line 25
def self.add_reference(verse)
  @references[verse[:reference]] = verse[:text]
end

# File lib/standard_works.rb, line 14
def self.all
  references
end

# File lib/standard_works/file_helper.rb, line 39
def self.books
  [
    'book-of-mormon',
    'doctrine-and-covenants',
    'new-testament',
    'old-testament',
    'pearl-of-great-price'
  ]
end

# File lib/standard_works/file_helper.rb, line 29
def self.chapter_verses(power)
  # Get down to Verses
  power[:books].each do |sub_book|
    sub_book[:chapters].each do |chapter|
      chapter[:verses].each { |verse| add_reference(verse) }
    end
  end
  # And turn it into the main reference
end

# File lib/standard_works.rb, line 10
def self.clear
  @references = nil
end

# File lib/standard_works/abbreviations.rb, line 3
def self.expand(term)
  key = abrv.keys.find { |x| term.include? x }
  return term unless key
  term.gsub(key, abrv[key])
end

# File lib/standard_works/file_helper.rb, line 9
def self.load_books
  @references = {}
  books.each do |book|
    power = read book

    chapter_verses(power) if power.key? :books
    sections(power) if power.key? :sections
  end
end

# File lib/standard_works.rb, line 22
def self.lookup(term)
  term = expand(term)
  verse = references.dig(term)
  verse = 'Unable to find Scripture' if verse.nil?
  { reference: term, verse: verse }
end

# File lib/standard_works/file_helper.rb, line 49
def self.read(file)
  location = __dir__
  Oj.load_file("#{location}/source/#{file}.json", OPTIONS)
end

# File lib/standard_works.rb, line 29
def self.references
  load_books if @references.nil?
  @references
end

# File lib/standard_works/file_helper.rb, line 19
def self.sections(power)
  power[:sections].each do |section|
    section[:verses].each { |verse| add_reference(verse) }
  end
end

# File lib/standard_works.rb, line 18
def self.verse(term)
  lookup(term)[:verse]
end