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# ---------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ---------------------------------------------------------------------------
apiVersion: camel.apache.org/v1
kind: Kamelet
metadata:
  name: telegram-sink
  annotations:
    camel.apache.org/kamelet.support.level: "Stable"
    camel.apache.org/catalog.version: "4.8.0"
    camel.apache.org/kamelet.icon: "data:image/svg+xml;base64,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"
    camel.apache.org/provider: "Apache Software Foundation"
    camel.apache.org/kamelet.group: "Telegram"
    camel.apache.org/kamelet.namespace: "Social"
  labels:
    camel.apache.org/kamelet.type: "sink"
spec:
  definition:
    title: "Telegram Sink"
    description: |-
      Send a message to a Telegram chat by using your Telegram bot as sender.

      To create a bot, use your Telegram app to contact the @botfather account.

      This sink supports the following message types:

      - Standard text messages
      - PNG images (`Content-Type` must be set to `image/png`)
      - JPEG images (`Content-Type` must be set to `image/jpeg`)

      This sink also supports the following message headers:

      - `text` / `ce-text`: when sending an image, the image caption
      - `chat-id` / `ce-chatid`: overrides the default chat where messages are sent to
    required:
      - authorizationToken
    type: object
    properties:
      authorizationToken:
        title: Token
        description: "The token to access your bot on Telegram. You you can obtain it from the Telegram @botfather."
        type: string
        format: password
        x-descriptors:
        - urn:camel:group:credentials
      chatId:
        title: Chat ID
        description: |-
          The Chat ID to where you want to send messages by default. 
          
          Whilst the Chat ID is not a required Configuration Option it must be provided for every message; either as a Configuration Option or a `chat-id` / `ce-chatid` header.
        type: string
  types:
    out:
      mediaType: application/json
  dependencies:
    - "camel:core"
    - "camel:jackson"
    - "camel:kamelet"
    - "camel:telegram"
  template:
    from:
      uri: "kamelet:source"
      steps:
      - choice:
          when:
          - simple: "${header[Content-Type]} == 'image/png'"
            steps:
            - convertBodyTo:
                type: "byte[]"
            - setHeader:
                name: CamelTelegramMediaType
                constant: PHOTO_PNG
          - simple: "${header[Content-Type]} == 'image/jpeg'"
            steps:
            - convertBodyTo:
                type: "byte[]"
            - setHeader:
                name: CamelTelegramMediaType
                constant: PHOTO_JPG
          otherwise:
            steps:
            - convertBodyTo:
                type: "java.lang.String"
      - choice:
          when:
          - simple: "${header[text]}"
            steps:
            - setHeader:
                name: CamelTelegramMediaTitleCaption
                simple: "${header[text]}"
          - simple: "${header[ce-text]}"
            steps:
            - setHeader:
                name: CamelTelegramMediaTitleCaption
                simple: "${header[ce-text]}"
      - choice:
          when:
          - simple: "${header[chat-id]}"
            steps:
            - setHeader:
                name: CamelTelegramChatId
                simple: "${header[chat-id]}"
          - simple: "${header[ce-chatid]}"
            steps:
            - setHeader:
                name: CamelTelegramChatId
                simple: "${header[ce-chatid]}"
      - to:
          uri: "telegram:bots"
          parameters:
            authorizationToken: "{{authorizationToken}}"
            chatId: "{{?chatId}}"
      - marshal:
          json: {}