module CensorBear
  class ModLog < ApplicationRecord
    REASONS = %w(无 广告/SPAM 恶意灌水 违规内容 文不对题 重复发布 其它)
    belongs_to :record, polymorphic: true, required: false

    def record_path
      return '#' if record.blank?

      record.censor_show_path
    end

    def delete(reason)
      # ugc内容需要开软删，便于撤销&查看统计，可以定时删除统计并删除软删内容，类似回收站机制
      raise NoMethodError.new("undefined censor_delete for record") unless record.respond_to?(:censor_delete)

      ret = record.censor_delete
      handled!(reason) if ret
    end

    def approve
      raise NoMethodError unless record.respond_to?(:censor_approve)

      ret = record.censor_approve
      handled! if ret
    end

    def ban_user
      raise NoMethodError unless record.respond_to?(:censor_ban_user)

      ret = record.censor_ban_user
      delete if ret
    end

    scope :pending, -> { where(status: 0) }
    scope :handled, -> { where(status: 1) }
    scope :suspended, -> { where(status: 2) }

    def handled!(reason = nil)
      update_columns(status: 1, reason: reason)
    end

    def pend!
      update_columns(status: 0)
    end

    def suspend!
      update_columns(status: 2)
    end
  end
end