name: CI

on:
  push:
    branches:
      - "**"
    tags-ignore:
      - "**"

permissions:
  contents: read
  packages: write

jobs:
  test-and-publish:
    runs-on: ubuntu-latest
    env:
      PORT: "5000"

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install Python dependencies
        run: pip install -r app/requirements.txt

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: npm
          cache-dependency-path: app/package.json

      - name: Install Node dependencies
        working-directory: app
        run: npm install

      - name: Run Cypress tests
        uses: cypress-io/github-action@v6
        with:
          working-directory: app
          install: false
          start: python app.py
          wait-on: http://127.0.0.1:5000
          wait-on-timeout: 120

      - name: Detect semver tag on current commit
        id: semver
        run: |
          SEMVER_TAG="$(git tag --points-at "$GITHUB_SHA" | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$' | head -n 1 || true)"
          if [ -n "$SEMVER_TAG" ]; then
            echo "found=true" >> "$GITHUB_OUTPUT"
            echo "raw_tag=$SEMVER_TAG" >> "$GITHUB_OUTPUT"
            echo "version=${SEMVER_TAG#v}" >> "$GITHUB_OUTPUT"
          else
            echo "found=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Compute image name
        if: steps.semver.outputs.found == 'true'
        id: image
        run: echo "name=ghcr.io/$(echo "${GITHUB_REPOSITORY}" | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

      - name: Set up Docker Buildx
        if: steps.semver.outputs.found == 'true'
        uses: docker/setup-buildx-action@v3

      - name: Login to GHCR
        if: steps.semver.outputs.found == 'true'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and publish image
        if: steps.semver.outputs.found == 'true'
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ steps.image.outputs.name }}:${{ steps.semver.outputs.version }}