module LogHelper
  def user_friendly_action_log(source, action, target, reason = nil)
    source = source.username if source.is_a?(Account)
    web_domain = Rails.configuration.x.web_domain || Rails.configuration.x.local_domain

    case action
    when :create
      if target.is_a? DomainBlock
        if source.is_a? DomainBlock
          LogWorker.perform_async("\xf0\x9f\x9a\xab Applied the existing #{target.severity}#{target.force_sensitive? ? " and force sensitive media" : ''}#{target.reject_media? ? " and reject media" : ''}#{target.reject_unknown? ? " and reject unknown accounts" : ''} policy set on '#{source.domain}' to '#{target.domain}'\u200b.\n\nReview (moderators only): https://#{web_domain}/admin/instances/#{target.domain}")
        else
          LogWorker.perform_async("\xf0\x9f\x9a\xab <#{source}> applied a #{target.severity}#{target.force_sensitive? ? " and force sensitive media" : ''}#{target.reject_media? ? " and reject media" : ''}#{target.reject_unknown? ? " and reject unknown accounts" : ''} policy on '#{target.domain}'\u200b.\n\nReview (moderators only): https://#{web_domain}/admin/instances/#{target.domain}\n\n#{target.reason? ? "Comment: #{target.reason}" : ''}")
        end
      elsif target.is_a? EmailDomainBlock
        LogWorker.perform_async("\u26d4 <#{source}> added a registration block on email domain '#{target.domain}'.\n\nReview (moderators only): https://#{web_domain}/admin/email_domain_blocks")
      elsif target.is_a? CustomEmoji
        LogWorker.perform_async("\xf0\x9f\x98\xba <#{source}> added the '#{target.shortcode}' emoji. :#{target.shortcode}:")
      elsif target.is_a? AccountWarning
        LogWorker.perform_async("\xe2\x9a\xa0\xef\xb8\x8f <#{source}> sent someone an admin notice.")
      end
    when :destroy
      if target.is_a? DomainBlock
        LogWorker.perform_async("\xf0\x9f\x86\x97 <#{source}> reset the policy on #{target.domain}\u200b.\n\nReview (moderators only): https://#{web_domain}/admin/instances/#{target.domain}")
      elsif target.is_a? EmailDomainBlock
        LogWorker.perform_async("\xf0\x9f\x86\x97 <#{source}> removed the registration block on email domain '#{target.domain}'.")
      elsif target.is_a? CustomEmoji
        LogWorker.perform_async("\xf0\x9f\x97\x91\xef\xb8\x8f <#{source}> removed the '#{target.shortcode}' emoji.")
      elsif target.is_a? Status
        LogWorker.perform_async("\xf0\x9f\x97\x91\xef\xb8\x8f <#{source}> removed post #{TagManager.instance.url_for(target)}\u200b.")
      end

    when :update
      if target.is_a? DomainBlock
        LogWorker.perform_async("\xf0\x9f\x9a\xab <#{source}> changed the policy on '#{target.domain}' to #{target.severity}#{target.force_sensitive? ? " and force sensitive media" : ''}#{target.reject_media? ? " and reject media" : ''}#{target.reject_unknown? ? " and reject unknown accounts" : ''}.\n\nReview (moderators only): https://#{web_domain}/admin/instances/#{target.domain}\n\n#{target.reason? ? "Comment: #{target.reason}" : ''}")
      elsif target.is_a? Status
        LogWorker.perform_async("\xf0\x9f\x91\x81\xef\xb8\x8f <#{source}> changed visibility flags of post #{TagManager.instance.url_for(target)}\u200b.")
      elsif target.is_a? CustomEmoji
        LogWorker.perform_async("\xf0\x9f\x94\x81 <#{source}> replaced the '#{target.shortcode}' emoji. :#{target.shortcode}:")
      end

    when :enable
      if target.is_a? User
        LogWorker.perform_async("\xf0\x9f\x92\xa7 <#{source}> unfroze the account of <#{target.username}>.")
      elsif target.is_a? CustomEmoji
        LogWorker.perform_async("\xf0\x9f\x86\x97 <#{source}> enabled the '#{target.shortcode}' emoji. :#{target.shortcode}:")
      end
    when :disable
      if target.is_a? User
        LogWorker.perform_async("\xe2\x9d\x84\xef\xb8\x8f <#{source}> froze the account of <#{target.username}>.")
      elsif target.is_a? CustomEmoji
        LogWorker.perform_async("\u26d4 <#{source}> disabled the '#{target.shortcode}' emoji.")
      end

    when :mark_unknown
      if source.nil?
        LogWorker.perform_async("\xf0\x9f\x86\x95 Federating with a new server at '#{target}'. Automatic reject unknown policy set.\n\nReview (moderators only): https://#{web_domain}/admin/instances/#{target}")
      else
        LogWorker.perform_async("\u2753 <#{source}> marked <#{target.acct}> as an unknown account.\n\n#{reason ? "Comment: #{reason}" : ''}")
      end
    when :force_sensitive
      LogWorker.perform_async("\xf0\x9f\x94\x9e <#{source}> forced the media of <#{target.acct}> to be marked sensitive.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :force_unlisted
      LogWorker.perform_async("\xf0\x9f\x94\x89 <#{source}> forced the posts of <#{target.acct}> to be unlisted.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :silence
      LogWorker.perform_async("\xf0\x9f\x94\x87 <#{source}> silenced <#{target.acct}>.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :suspend
      LogWorker.perform_async("\u26d4 <#{source}> suspended <#{target.acct}>.\n\n#{reason ? "Comment: #{reason}" : ''}")

    when :mark_known
      LogWorker.perform_async("\u2705 <#{source}> marked <#{target.acct}> as a known account.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :allow_nonsensitive
      LogWorker.perform_async("\xf0\x9f\x86\x97 <#{source}> allowed <#{target.acct}> to post media without a sensitive flag.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :allow_public
      LogWorker.perform_async("\xf0\x9f\x86\x8a <#{source}> allowed <#{target.acct}> to post with public visibility.")
    when :unsilence
      LogWorker.perform_async("\xf0\x9f\x94\x8a <#{source}> unsilenced <#{target.acct}>.\n\n#{reason ? "Comment: #{reason}" : ''}")
    when :unsuspend
      LogWorker.perform_async("\xf0\x9f\x86\x97 <#{source}> unsuspended <#{target.acct}>.\n\n#{reason ? "Comment: #{reason}" : ''}")

    when :remove_avatar
      LogWorker.perform_async("\xf0\x9f\x97\x91\xef\xb8\x8f <#{source}> removed the avatar of <#{target.acct}>.")
    when :remove_header
      LogWorker.perform_async("\xf0\x9f\x97\x91\xef\xb8\x8f <#{source}> removed the profile header of <#{target.acct}>.")

    when :resolve
      LogWorker.perform_async("\u2705 <#{source}> resolved report #{target.id}.")
    when :reopen
      LogWorker.perform_async("\u2757 <#{source}> reopened report #{target.id}.")
    when :assigned_to_self
      LogWorker.perform_async("\xf0\x9f\x91\x80 <#{source}> is resolving report #{target.id}.")
    when :unassigned
      LogWorker.perform_async("\u274c <#{source}> is no longer assigned to report #{target.id}.")

    when :promote
      LogWorker.perform_async("\xf0\x9f\x94\xba <#{source}> upgraded a local account from #{target.role}.")
    when :demote
      LogWorker.perform_async("\xf0\x9f\x94\xbb <#{source}> downgraded a local account from #{target.role}.")

    when :confirm
      LogWorker.perform_async("\u2705 <#{source}> manually confirmed a local account.")
    when :reset_password
      LogWorker.perform_async("\xf0\x9f\x94\x81 <#{source}> manually reset a local account's password.")
    when :disable_2fa
      LogWorker.perform_async("\xf0\x9f\x94\x81 <#{source}> manually reset a local account's 2-factor auth.")
    when :change_email
      LogWorker.perform_async("\xf0\x9f\x93\x9d <#{source}> manually changed a local account's email address.")

    when :memorialize
      LogWorker.perform_async("\xf0\x9f\x8f\x85 <#{source}> memorialized an account.")

    when :approve_registration
      if target.respond_to?('map')
        LogWorker.perform_async("\u2705 <#{source}> approved the account of #{target.map { |acct| "<#{acct}>" }.join(', ')}.\n\n#{reason ? "Comment: #{reason}" : ''}")
      else
        LogWorker.perform_async("\u2705 <#{source}> approved the account of <#{target}>.\n\n#{reason ? "Comment: #{reason}" : ''}")
      end
    when :reject_registration
      if target.respond_to?('map')
        LogWorker.perform_async("\u274c <#{source}> rejected the account of #{target.map { |acct| "<#{acct}>" }.join(', ')}.\n\n#{reason ? "Comment: #{reason}" : ''}")
      else
        LogWorker.perform_async("\u274c <#{source}> rejected the account of <#{target}>.\n\n#{reason ? "Comment: #{reason}" : ''}")
      end
    end
  end
end
