name: CI

on:
  pull_request:
    branches: [master]

permissions:
  contents: read
  packages: write
  security-events: write

env:
  IMAGE: ghcr.io/${{ github.repository_owner }}/protonmail-bridge

jobs:
  resolve-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Get latest upstream release
        id: version
        run: |
          version=$(curl -s https://api.github.com/repos/ProtonMail/proton-bridge/releases/latest | jq -r '.tag_name')
          echo "version=$version" >> $GITHUB_OUTPUT
          echo "Resolved version: $version"

  build:
    needs: resolve-version
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push staging image
        uses: docker/build-push-action@v6
        with:
          context: ./build
          push: true
          tags: ${{ env.IMAGE }}:pr-${{ github.event.pull_request.number }}
          build-args: |
            version=${{ needs.resolve-version.outputs.version }}

      - name: Trivy scan
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.IMAGE }}:pr-${{ github.event.pull_request.number }}
          format: sarif
          output: trivy-results.sarif
          severity: CRITICAL,HIGH

      - name: Upload Trivy results
        uses: github/codeql-action/upload-sarif@v3
        if: always()
        with:
          sarif_file: trivy-results.sarif