class Ozb

# File plugins/ozb.rb, line 28
def self.absolute_url(path)
  value = path.to_s.strip
  return value if value.start_with?("http://", "https://")

  "https://www.ozbargain.com.au#{value}"
end

# File plugins/ozb.rb, line 64
def self.build_report(deals)
  return "No bargains found" if deals.empty?

  [
    report_banner,
    *deals.each_with_index.map { |deal, index| format_deal_line(index + 1, **deal) },
    report_footer(deals.length)
  ].join("\n")
end

# File plugins/ozb.rb, line 22
def self.command_pattern
  /ozb$/
end

# File plugins/ozb.rb, line 51
def self.format_deal_line(index, title:, url:)
  "#{index}. #{title} (#{url})"
end

# File plugins/ozb.rb, line 74
def self.gather_bargains(fetch:)
  html = fetch.call(HOME_URL)
  deals = parse_deals(html)
  build_report(deals)
rescue StandardError
  "Could not fetch bargains"
end

# File plugins/ozb.rb, line 35
def self.parse_deals(html)
  doc = Nokogiri.HTML(html.to_s)
  doc.css(".node-ozbdeal").filter_map do |node|
    link = node.at_css("h2.title a")
    next unless link

    title = link.text.to_s.strip
    href = link["href"].to_s.strip
    next if title.empty? || href.empty?

    { title: title, url: absolute_url(href) }
  end
rescue StandardError
  []
end

# File plugins/ozb.rb, line 55
def self.report_banner
  IrcFormat.report_header(tag: "OZB", title: "OzBargain Deals", style: STYLE_BANNER)
end

# File plugins/ozb.rb, line 59
def self.report_footer(count)
  label = count == 1 ? "deal" : "deals"
  IrcFormat.report_footer("#{count} #{label}", "ozbargain.com.au")
end

# File plugins/ozb.rb, line 90
def execute(m)
  themed_flood_safe_reply(m, gather_bargains)
end

# File plugins/ozb.rb, line 86
def fetch_page(url)
  RabbotHttp.fetch(url, user_agent: USER_AGENT)
end

# File plugins/ozb.rb, line 82
def gather_bargains(fetch: method(:fetch_page))
  self.class.gather_bargains(fetch: fetch)
end