module ChannelTrust

# File lib/channel_trust.rb, line 20
def bot_nick?(nick, bot_nicks: persona_bot_nicks)
  target = RabbotDb.normalize_nick(nick).downcase
  bot_nicks.any? { |candidate| candidate.casecmp?(target) }
end

# File lib/channel_trust.rb, line 93
def channel_name(channel)
  channel.respond_to?(:name) ? channel.name : channel.to_s
end

# File lib/channel_trust.rb, line 64
def human_admin_nick?(network:, channel:, nick:, is_op: false, bot_nicks: persona_bot_nicks)
  return false if bot_nick?(nick, bot_nicks: bot_nicks)

  RabbotDb.user_allowed_at_level?(
    network: network,
    channel: channel,
    nick: nick,
    is_op: is_op,
    minimum: RabbotDb::LEVEL_ADMIN
  )
end

# File lib/channel_trust.rb, line 89
def idea_source?(nick, idea_sources)
  Array(idea_sources).any? { |source| source.to_s.casecmp?(nick.to_s) }
end

# File lib/channel_trust.rb, line 97
def load_persona_bot_nicks
  nicks = []
  Dir.glob(File.join(BOTS_CONFIG_DIR, "*.yml")).each do |path|
    next if File.basename(path) == "example.yml"

    data = YAML.safe_load(File.read(path), permitted_classes: [], aliases: true)
    next unless data.is_a?(Hash)

    nicks << data["nick"] if data["nick"]
    nicks.concat(Array(data["nicks"]))
    nicks << data["preferred_nick"] if data["preferred_nick"]
  end
  nicks.compact.map { |nick| RabbotDb.normalize_nick(nick) }.reject(&:empty?).uniq
rescue StandardError
  %w[Rabbot Steve Dr_Weird HappyTimeHarry]
end

# File lib/channel_trust.rb, line 12
def persona_bot_nicks
  @persona_bot_nicks ||= load_persona_bot_nicks
end

# File lib/channel_trust.rb, line 76
def registered_owner_nick?(network:, channel:, nick:, bot_nicks: persona_bot_nicks)
  return false if bot_nick?(nick, bot_nicks: bot_nicks)

  user = RabbotDb.registered_channel_user(
    network: network,
    channel: channel_name(channel),
    nick: nick
  )
  return false unless user

  user.level.to_s == RabbotDb::LEVEL_OWNER
end

# File lib/channel_trust.rb, line 16
def reload_persona_bot_nicks!
  @persona_bot_nicks = load_persona_bot_nicks
end

# File lib/channel_trust.rb, line 53
def stranger_nick?(nick:, channel:, user:, network:, idea_sources: [], bot_nicks: persona_bot_nicks)
  !trusted_nick?(
    nick: nick,
    channel: channel,
    user: user,
    network: network,
    idea_sources: idea_sources,
    bot_nicks: bot_nicks
  )
end

# File lib/channel_trust.rb, line 42
def trusted_context_nick?(nick:, channel:, user:, network:, idea_sources: [], bot_nicks: persona_bot_nicks)
  trusted_nick?(
    nick: nick,
    channel: channel,
    user: user,
    network: network,
    idea_sources: idea_sources,
    bot_nicks: bot_nicks
  )
end

# File lib/channel_trust.rb, line 25
def trusted_nick?(nick:, channel:, user:, network:, idea_sources: [], bot_nicks: persona_bot_nicks)
  return true if bot_nick?(nick, bot_nicks: bot_nicks)
  return true if idea_source?(nick, idea_sources)
  if channel.respond_to?(:opped?)
    return true if AiAccess.channel_opped?(channel, user)
    return true if AiAccess.channel_voiced?(channel, user)
  end

  RabbotDb.user_allowed_at_level?(
    network: network,
    channel: channel_name(channel),
    nick: nick,
    is_op: false,
    minimum: RabbotDb::LEVEL_VOICE
  )
end