name: Publish Docker Image

on:
  push:
    branches: [main]

env:
  REGISTRY: ghcr.io

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r src/requirements.txt
      - name: Lint and format with Ruff
        run: |
          pip install ruff
          ruff check src
          ruff format --check src

  build-and-push:
    needs: test
    environment: DEV
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    steps:
      - uses: actions/checkout@v4
      - name: Lowercase repository name
        run: echo "IMAGE_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')/discord-bot" >> $GITHUB_ENV
      - name: Calculate new version
        id: version
        run: |
          NEW_MINOR=$((${{ vars.VERSION_MINOR }} + 1))
          NEW_VERSION="v${{ vars.VERSION_MAJOR }}.${NEW_MINOR}"
          echo "new_minor=$NEW_MINOR" >> "$GITHUB_OUTPUT"
          echo "new_version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.new_version }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max
      - name: Create Git tag
        run: |
          git config user.email "action@github.com"
          git config user.name "GitHub Action"
          git tag ${{ steps.version.outputs.new_version }}
          git push origin ${{ steps.version.outputs.new_version }}
      - name: Save new minor version
        env:
          GH_TOKEN: ${{ secrets.PAT_ADMIN_TOKEN }}
          GH_REPO: ${{ github.repository }}
        run: |
          gh variable set VERSION_MINOR --body "${{ steps.version.outputs.new_minor }}" --env DEV