# frozen_string_literal: true

module DiscourseChatIntegration
  module Provider
    module GoogleProvider
      PROVIDER_NAME = 'google'.freeze
      PROVIDER_ENABLED_SETTING = :chat_integration_google_enabled
      CHANNEL_PARAMETERS = [
        { key: "name", regex: '^\S+$', unique: true },
        { key: "webhook_url", regex: '^https:\/\/chat.googleapis.com\/v1\/\S+$', 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
          raise ::DiscourseChatIntegration::ProviderError.new info: { request: req.body, response_code: response.code, response_body: response.body }
        end
      end

      def self.get_message(post)
        {
          cards: [
            {
              sections: [
                {
                  widgets: [
                    {
                      keyValue: {
                        "topLabel": I18n.t("chat_integration.provider.google.new_#{post.is_first_post? ? "topic" : "post"}", site_title: SiteSetting.title),
                        "content": post.topic.title,
                        "contentMultiline": "false",
                        "bottomLabel": I18n.t("chat_integration.provider.google.author", username: post.user.username),
                        "onClick": {
                            "openLink": {
                                "url": post.full_url
                            }
                        }
                      }
                    },
                  ]
                },
                {
                  widgets: [
                    {
                      textParagraph: {
                        text: post.excerpt(SiteSetting.chat_integration_google_excerpt_length, text_entities: true, strip_links: true, remap_emoji: true)
                      }
                    },
                  ]
                },
                {
                  widgets: [
                    {
                      buttons: [
                        {
                          "textButton": {
                            "text": I18n.t("chat_integration.provider.google.link", site_title: SiteSetting.title),
                            "onClick": {
                              "openLink": {
                                "url": post.full_url
                              }
                            }
                          }
                        },
                      ]
                    }
                  ]
                },
              ],
            }
          ]
        }
      end
    end
  end
end