class Arch

# File plugins/arch.rb, line 35
def self.archwiki_template_paragraph?(paragraph)
  paragraph.ancestors.any? do |ancestor|
    ancestor["class"].to_s.split.any? { |klass| klass.start_with?("archwiki-template") }
  end
end

# File plugins/arch.rb, line 41
def self.boilerplate_text?(text)
  normalized = text.to_s.gsub(/\s+/, " ").strip
  return true if normalized.empty?

  BOILERPLATE_PATTERNS.any? { |pattern| normalized.match?(pattern) }
end

# File plugins/arch.rb, line 48
def self.clean_paragraph_text(raw)
  text = raw.to_s.strip
  text.gsub(/\[\d+\]/, "").gsub(/\s+,/, ",").gsub(/\s+/, " ").gsub(/[\x00-\x1f]/, "").strip
end

# File plugins/arch.rb, line 31
def self.extract_title(search_data)
  search_data.dig("query", "search", 0, "title")
end

# File plugins/arch.rb, line 68
def self.format_result(paragraph, url)
  paragraph = paragraph.to_s.strip
  url = url.to_s.strip
  return "No results found" if paragraph.empty? && url.empty?
  return url if paragraph.empty?

  "#{paragraph} (#{url})"
end

# File plugins/arch.rb, line 53
def self.sanitize_paragraph(html)
  doc = Nokogiri::HTML.fragment(html.to_s)
  doc.css("p").each do |paragraph|
    next if archwiki_template_paragraph?(paragraph)

    text = clean_paragraph_text(paragraph.text)
    next if text.length < MIN_PARAGRAPH_LENGTH
    next if boilerplate_text?(text)

    return text
  end

  ""
end

# File plugins/arch.rb, line 77
def self.search(query, fetch_search:, fetch_page:)
  search_data = fetch_search.call(query)
  title = extract_title(search_data)
  return "No results found" unless title

  page_data = fetch_page.call(title)
  html = page_data.dig("parse", "text", "*")
  paragraph = sanitize_paragraph(html)
  format_result(paragraph, wiki_url(title))
rescue StandardError
  "No results found"
end

# File plugins/arch.rb, line 27
def self.wiki_url(title)
  "#{WIKI_BASE}#{title.to_s.gsub(" ", "_")}"
end

# File plugins/arch.rb, line 104
def execute(m, query)
  safe_reply(m, search(query))
end

# File plugins/arch.rb, line 99
def fetch_page(title)
  url = "#{API_URL}?action=parse&page=#{CGI.escape(title)}&format=json&prop=text"
  JSON.parse(URI.parse(url).open("User-Agent" => "Mozilla/5.0").read)
end

# File plugins/arch.rb, line 94
def fetch_search(query)
  url = "#{API_URL}?action=query&list=search&srsearch=#{CGI.escape(query)}&format=json&srlimit=1"
  JSON.parse(URI.parse(url).open("User-Agent" => "Mozilla/5.0").read)
end

# File plugins/arch.rb, line 90
def search(query, fetch_search: method(:fetch_search), fetch_page: method(:fetch_page))
  self.class.search(query, fetch_search: fetch_search, fetch_page: fetch_page)
end