module IsoDoc::I18n::Liquid

def self.set(i18n)
  @@i18n = i18n
end

def inflect(word, options)
  @@i18n.inflect(word, parse_hash(options))
end

def ordinal_num(num, label = "", infl = "")
  l = @@i18n.labels[label]
  h = @@i18n.labels["inflection"]&.dig(l, "grammar") || {}
  grammar = h.merge(parse_hash(infl, symbol: false))
  @@i18n.inflect_ordinal(num.to_i, grammar, "OrdinalRules")
end

def ordinal_word(num, label = "", infl = "")
  l = @@i18n.labels[label]
  h = @@i18n.labels["inflection"]&.dig(l, "grammar") || {}
  grammar = h.merge(parse_hash(infl, symbol: false))
  @@i18n.inflect_ordinal(num.to_i, grammar, "SpelloutRules")
end

def parse_hash(str, symbol: true)
  str.split(/,\s*/).each_with_object({}) do |e, m|
    k, v = e.split(/:/, 2)
    m[symbol ? k.to_sym : k.to_s] = v
  end
end