name: Build and send diploma thesis
description: GitHub action to build and send a diploma thesis using the corresponding docker image from school HTL Leoben
author: bitsneak
branding:
  icon: mail
  color: yellow

inputs:
  thesis-path:
    description: The path to the filled out diploma thesis folder. If not set it will default to Diplomarbeit
    default: Diplomarbeit
    required: false
  smtp-server:
    description: The smtp server of your sending email
    required: true
  smtp-port:
    description: The smtp server port of your sending emai'
    required: true
  mail-address:
    description: The sending email address
    required: true
  mail-address-password:
    description: The password for the sending email address
    required: true
  teams-mail:
    description: The email address of the teams channel the diploma thesis is sent to
    required: true

runs:
  using: composite
  
  steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Cache Docker image
      id: cache-docker
      uses: actions/cache@v4
      with:
        path: /tmp/.docker
        key: ${{ runner.os }}-docker-${{ hashFiles('**/HTLLE-DA-Vorlage/tools/docker/Dockerfile') }}
        restore-keys: | 
          ${{ runner.os }}-docker-

    - name: Create Docker cache directory
      if: steps.cache-docker.outputs.cache-hit != 'true'
      shell: bash
      run: mkdir -p /tmp/.docker

    - name: Load cached Docker image
      if: steps.cache-docker.outputs.cache-hit == 'true'
      shell: bash
      run: docker load -i /tmp/.docker/image.tar

    - name: Pull Docker image
      if: steps.cache-docker.outputs.cache-hit != 'true'
      shell: bash
      run: |
        docker pull ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}
        docker save ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }} -o /tmp/.docker/image.tar

    - name: Build diploma thesis
      shell: bash
      run: docker run -v ${{ github.workspace }}/${{ inputs.thesis-path }}:/workspace ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}

    - name: Send diploma thesis
      uses: dawidd6/action-send-mail@v4
      with:
        server_address: ${{ inputs.smtp-server }}
        server_port: ${{ inputs.smtp-port }}
        username: ${{ inputs.mail-address }}
        password: ${{ inputs.mail-address-password }}
        subject: "Diploma thesis"
        body: " "
        to: ${{ inputs.teams-mail }}
        from: ${{ inputs.mail-address }}
        attachments: ${{ inputs.thesis-path }}/diplomarbeit.pdf