name: Main Workflow

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - "*"

jobs:
  lint-git:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' # Makes sense only for pull requests
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
      - name: show
        run: git log
      - name: Enforce absence of print statements in code
        if: always()
        run: |
          ! git diff origin/${{ github.event.pull_request.base.ref }}..HEAD -- . ':(exclude)**/calendars.yml' | grep "print("
      - name: Check absence of fixup commits
        if: always()
        run: |
          ! git log | grep 'fixup!'
      - name: Install gitlint
        if: always()
        run: pip install --user requests gitlint
      - name: Lint commit messages added to main
        if: always()
        run: ~/.local/bin/gitlint --commits origin/${{ github.event.pull_request.base.ref }}..HEAD

  check-changelog:
    runs-on: ubuntu-latest
    if: |
      contains(github.event.pull_request.labels.*.name, 'noChangeLog') == false &&
      github.event_name == 'pull_request'
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 50
      - name: Check that the CHANGELOG has been modified in the current branch
        run: git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.after }} | grep 'CHANGELOG.md'

  lint-changelog:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
      - name: Check CHANGELOG max line length
        run: |
          max_line_length=$(cat CHANGELOG.md | grep -Ev "^\[.*\]: https://github.com" | wc -L)
          if [ $max_line_length -ge 80 ]; then
            echo "ERROR: CHANGELOG has lines longer than 80 characters."
            exit 1
          fi

  lint-back:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: src/backend
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
      - name: "Set up Python"
        uses: actions/setup-python@v6
        with:
          python-version-file: "src/backend/pyproject.toml"
      - name: Install uv
        uses: astral-sh/setup-uv@v6
      - name: Install the project
        run: uv sync --locked --all-extras
      
      - name: Check code formatting with ruff
        run: uv run ruff format . --diff
      - name: Lint code with ruff
        run: uv run ruff check .
      - name: Lint code with pylint
        run: uv run pylint .

  test-back:
    runs-on: ubuntu-latest
    needs: build-mails

    defaults:
      run:
        working-directory: src/backend

    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_DB: calendars
          POSTGRES_USER: pgroot
          POSTGRES_PASSWORD: pass
        ports:
          - 5432:5432
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    env:
      DJANGO_CONFIGURATION: Test
      DJANGO_SETTINGS_MODULE: calendars.settings
      DJANGO_SECRET_KEY: ThisIsAnExampleKeyForTestPurposeOnly
      OIDC_OP_JWKS_ENDPOINT: /endpoint-for-test-purpose-only
      DJANGO_EMAIL_HOST: mailcatcher
      DB_HOST: localhost
      DB_NAME: calendars
      DB_USER: pgroot
      DB_PASSWORD: pass
      DB_PORT: 5432
      STORAGES_STATICFILES_BACKEND: django.contrib.staticfiles.storage.StaticFilesStorage
      AWS_S3_ENDPOINT_URL: http://localhost:9000
      AWS_S3_ACCESS_KEY_ID: calendar
      AWS_S3_SECRET_ACCESS_KEY: password
      MEDIA_BASE_URL: http://localhost:8083

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Create writable /data
        run: |
          sudo mkdir -p /data/media && \
          sudo mkdir -p /data/static

      - name: Restore the mail templates
        uses: actions/cache@v4
        id: mail-templates
        with:
          path: "src/backend/core/templates/mail"
          key: mail-templates-${{ hashFiles('src/mail/mjml') }}

      - name: Start MinIO
        run: |
          docker pull minio/minio
          docker run -d --name minio \
            -p 9000:9000 \
            -e "MINIO_ACCESS_KEY=calendar" \
            -e "MINIO_SECRET_KEY=password" \
            -v /data/media:/data \
            minio/minio server --console-address :9001 /data

      # Tool to wait for a service to be ready
      - name: Install Dockerize
        run: |
          curl -sSL https://github.com/jwilder/dockerize/releases/download/v0.8.0/dockerize-linux-amd64-v0.8.0.tar.gz | sudo tar -C /usr/local/bin -xzv

      - name: Wait for MinIO to be ready
        run: |
          dockerize -wait tcp://localhost:9000 -timeout 10s

      - name: Configure MinIO
        run: |
          MINIO=$(docker ps | grep minio/minio | sed -E 's/.*\s+([a-zA-Z0-9_-]+)$/\1/')
          docker exec ${MINIO} sh -c \
            "mc alias set calendar http://localhost:9000 calendar password && \
            mc alias ls && \
            mc mb calendar/calendar-media-storage && \
            mc version enable calendar/calendar-media-storage"

      - name: "Set up Python"
        uses: actions/setup-python@v6
        with:
          python-version-file: "src/backend/pyproject.toml"
      - name: Install uv
        uses: astral-sh/setup-uv@v6
      - name: Install the dependencies
        run: uv sync --locked --all-extras

      - name: Install gettext (required to compile messages) and MIME support
        run: |
          sudo apt-get update
          sudo apt-get install -y gettext pandoc shared-mime-info
          sudo wget https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types -O /etc/mime.types

      - name: Generate a MO file from strings extracted from the project
        run: uv run python manage.py compilemessages

      - name: Run tests
        run: uv run pytest -n 2