# 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 = Net::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 = (topic.category.parent_category) ? "[#{topic.category.parent_category.name}/#{topic.category.name}]" : "[#{topic.category.name}]"
    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