# frozen_string_literal: true

module DiscourseChatIntegration::Provider::TeamsProvider
  PROVIDER_NAME = "teams".freeze
  PROVIDER_ENABLED_SETTING = :chat_integration_teams_enabled
  CHANNEL_PARAMETERS = [
    { key: "name", regex: '^\S+$', unique: true },
    { key: "webhook_url", regex: '^https:\/\/\S+$', unique: true, hidden: true },
  ]

  def self.trigger_notification(post, channel, rule)
    message = get_message(post)
    uri = URI(channel.data["webhook_url"])

    http = FinalDestination::HTTP.new(uri.host, uri.port)
    http.use_ssl = (uri.scheme == "https")

    req = Net::HTTP::Post.new(uri, "Content-Type" => "application/json")
    req.body = message.to_json
    response = http.request(req)

    unless response.kind_of? Net::HTTPSuccess
      if response.body.include?("Invalid webhook URL")
        error_key = "chat_integration.provider.teams.errors.invalid_channel"
      else
        error_key = nil
      end
      raise ::DiscourseChatIntegration::ProviderError.new info: {
                                                            error_key: error_key,
                                                            request: req.body,
                                                            response_code: response.code,
                                                            response_body: response.body,
                                                          }
    end
  end

  def self.get_message(post)
    display_name = "@#{post.user.username}"
    full_name =
      if SiteSetting.enable_names && post.user.name.present?
        post.user.name
      else
        ""
      end

    topic = post.topic

    category = ""
    if topic.category&.uncategorized?
      category = "[#{I18n.t("uncategorized_category_name")}]"
    elsif topic.category
      category =
        (
          if (topic.category.parent_category)
            "[#{topic.category.parent_category.name}/#{topic.category.name}]"
          else
            "[#{topic.category.name}]"
          end
        )
    end

    message = {
      "@type": "MessageCard",
      summary: topic.title,
      sections: [
        {
          activityTitle:
            "[#{topic.title} #{category} #{topic.tags.present? ? topic.tags.map(&:name).join(", ") : ""}](#{post.full_url})",
          activitySubtitle:
            post.excerpt(
              SiteSetting.chat_integration_teams_excerpt_length,
              text_entities: true,
              strip_links: true,
              remap_emoji: true,
            ),
          activityImage: post.user.small_avatar_url,
          facts: [{ name: full_name, value: display_name }],
          markdown: true,
        },
      ],
    }

    message
  end
end