name: CI

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

jobs:
  package:
    name: Package
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Set up JDK
        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
        with:
          distribution: 'temurin'
          java-version: '25'
          cache: 'maven'

      - name: Build package
        run: |
          chmod +x ./mvnw
          ./mvnw --batch-mode --update-snapshots verify

      - name: Upload test reports
        if: always()
        uses: actions/upload-artifact@c6a366c94c3e0affe28c06c8df20a878f24da3cf # v3
        with:
          name: junit-reports
          path: |
            **/target/*-reports/TEST-*.xml
          if-no-files-found: ignore

      - name: Upload Maven artifacts
        uses: actions/upload-artifact@c6a366c94c3e0affe28c06c8df20a878f24da3cf # v3
        with:
          name: maven-artifacts
          path: |
            target/netneutrality.jar
            startup.sh
          if-no-files-found: error

  docker-main:
    name: Docker Build and Push (main)
    runs-on: ubuntu-latest
    needs: package
    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Download build artifacts
        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3
        with:
          name: maven-artifacts
          path: .

      - name: Log in to registry
        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
        with:
          registry: ${{ secrets.REGISTRY_URL }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build and push (main)
        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: "${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USER }}/netneutrality:main"

  docker-release:
    name: Docker Build and Push (release)
    runs-on: ubuntu-latest
    needs: package
    if: ${{ startsWith(github.ref, 'refs/tags/') }}
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Download build artifacts
        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3
        with:
          name: maven-artifacts
          path: .

      - name: Compute release version
        id: rel
        shell: bash
        run: |
          # Strip leading 'v' if present (e.g., v1.2.3 -> 1.2.3)
          ver="${GITHUB_REF_NAME#v}"
          echo "version=$ver" >> "$GITHUB_OUTPUT"

      - name: Log in to registry
        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
        with:
          registry: ${{ secrets.REGISTRY_URL }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build and push (release + latest)
        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USER }}/netneutrality:${{ steps.rel.outputs.version }}
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USER }}/netneutrality:latest