name: Release Please

on:
  push:
    branches: ['master']

jobs:
  test:
    name: Lint and Test
    runs-on: ubuntu-latest
    env:
      COMPOSE_FILE: ./docker-compose.ci.yml
      MIX_ENV: test

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Pull prebuilt images
        run: docker compose pull

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker/dev.Dockerfile
          load: true
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Run Docker image
        run: docker compose up --detach

      - name: Install Elixir and JS deps
        run: |
          docker compose exec -T phx mix deps.get && yarn install && cd assets && yarn install && cd ..

      - name: Create and Migrate database
        run: |
          docker compose exec -T phx mix ecto.create
          docker compose exec -T phx mix ecto.migrate

      - name: Run code checks
        run: docker compose exec -T phx mix check --no-fix --no-retry

  release-please:
    name: Release Please
    runs-on: ubuntu-latest
    needs: test
    permissions:
      contents: write
      pull-requests: write
    outputs:
      release_created: ${{ steps.release.outputs.release_created }}
      tag_name: ${{ steps.release.outputs.tag_name }}
    steps:
      - uses: googleapis/release-please-action@v4
        id: release
        with:
          config-file: release-please-config.json
          manifest-file: .release-please-manifest.json

  # After a release is published: update mix.exs to "semver (calver)" so the
  # running app displays both (e.g. "1.0.0 (2026.06.14)").
  # Mix will warn that this isn't strict semver, which is fine for a Docker app.
  update-mix-version:
    name: Update mix.exs version string
    runs-on: ubuntu-latest
    needs: release-please
    if: needs.release-please.outputs.release_created == 'true'
    permissions:
      contents: write
    steps:
      - name: Checkout master
        uses: actions/checkout@v4
        with:
          ref: master
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set combined version in mix.exs
        run: |
          SEMVER=$(echo '${{ needs.release-please.outputs.tag_name }}' | sed 's/^v//')
          DATE=$(date +"%Y.%-m.%-d")
          DISPLAY="${SEMVER} (${DATE})"
          sed -i "s|^      version: \".*\",|      version: \"${DISPLAY}\",|" mix.exs

      - name: Commit and push
        run: |
          SEMVER=$(echo '${{ needs.release-please.outputs.tag_name }}' | sed 's/^v//')
          DATE=$(date +"%Y.%-m.%-d")
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add mix.exs
          git diff --cached --quiet || git commit -m "chore: set app version to ${SEMVER} (${DATE}) [skip ci]"
          git push

  docker:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest
    needs: [test, release-please]
    permissions:
      contents: read
      packages: write
    env:
      dev_arch: 'linux/amd64'
      release_arch: 'linux/amd64,linux/arm64'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Strip v prefix from release tag
        id: version
        if: needs.release-please.outputs.release_created == 'true'
        run: |
          echo "value=$(echo '${{ needs.release-please.outputs.tag_name }}' | sed 's/^v//')" >> $GITHUB_OUTPUT

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            docker.io/communitymaintained/pinchflat
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=${{ steps.version.outputs.value }},enable=${{ needs.release-please.outputs.release_created == 'true' }}
            type=raw,value=latest,enable=${{ needs.release-please.outputs.release_created == 'true' }}
            type=raw,value=dev,enable=${{ needs.release-please.outputs.release_created != 'true' }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and Push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker/selfhosted.Dockerfile
          platforms: ${{ needs.release-please.outputs.release_created == 'true' && env.release_arch || env.dev_arch }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max