module RabbotMetaAiGuardBypass

# File lib/rabbot_meta_ai_guard_bypass.rb, line 181
def bypass_key(network:, channel:, nick:)
  [
    network.to_s.strip.downcase,
    Normalize.channel(channel),
    Normalize.user_key(nick)
  ].join("|")
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 162
def bypass_pending?(network:, channel:, nick:)
  @mutex.synchronize do
    @pending.key?(bypass_key(network: network, channel: channel, nick: nick))
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 174
def consume_bypass!(network:, channel:, nick:)
  @mutex.synchronize do
    key = bypass_key(network: network, channel: channel, nick: nick)
    @pending.delete(key) ? true : false
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 122
def current_context
  @mutex.synchronize do
    ctx = @current_context
    return nil unless ctx
    return nil if Time.now.to_f - ctx[:noted_at].to_f > CONTEXT_TTL_SEC

    ctx.slice(:network, :channel, :nick)
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 95
def extract_ai_question(text)
  message = text.to_s.lstrip
  return nil unless message.start_with?("!")

  if (match = message.match(AI_COMMAND_PATTERN))
    return match[1].to_s.strip
  end

  return nil unless (match = message.match(NICK_AI_COMMAND_PATTERN))

  match[2].to_s.strip
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 132
def false_positive?(question)
  text = question.to_s.strip
  return false if text.empty?

  text.match?(WHICH_RELATIVE_PRONOUN_PATTERN)
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 168
def grant_bypass!(network:, channel:, nick:)
  @mutex.synchronize do
    @pending[bypass_key(network: network, channel: channel, nick: nick)] = Time.now.to_f
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 84
def hook_active?
  @installed
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 69
def install!
  return if @installed

  AiGuard.singleton_class.prepend(GuardHook) unless AiGuard.singleton_class.ancestors.include?(GuardHook)
  @installed = true
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 80
def installed?
  @installed
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 108
def note_message(network:, channel:, nick:, text:)
  question = extract_ai_question(text)
  return if question.nil?

  @mutex.synchronize do
    @current_context = {
      network: network.to_s,
      channel: channel.to_s,
      nick: nick.to_s,
      noted_at: Time.now.to_f
    }
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 155
def raw_system_request?(text)
  normalized = text.to_s.strip
  return false if normalized.empty?

  AiGuard.scrub_urls(normalized).match?(AiGuard::SYSTEM_REQUEST_PATTERN)
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 88
def reset!
  @mutex.synchronize do
    @pending = {}
    @current_context = nil
  end
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 139
def scrub_educational_paths(text)
  scrubbed = text.to_s
  EDUCATIONAL_PATH_PATTERNS.each do |pattern|
    scrubbed = scrubbed.gsub(pattern, " ")
  end
  scrubbed
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 147
def should_grant_bypass?(question:)
  text = question.to_s.strip
  return false if text.empty?
  return false unless raw_system_request?(text)

  false_positive?(text)
end

# File lib/rabbot_meta_ai_guard_bypass.rb, line 76
def uninstall!
  @installed = false
end