name: Check Existing Artifact
on:
  workflow_call:
    inputs:
      env_json:
        required: true
        type: string
    secrets:
      GITEA_TOKEN:
        required: true
    outputs:
      artifact_exists:
        value: ${{ jobs.check.outputs.artifact_exists }}
      version:
        value: ${{ jobs.check.outputs.version }}

env:
  GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
  GIT_TAG_PREFIX: ${{ fromJson(inputs.env_json).GIT_TAG_PREFIX || '' }}
  VERSION_FILE: ${{ fromJson(inputs.env_json).VERSION_FILE || '' }}

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      artifact_exists: ${{ steps.set-outputs.outputs.artifact_exists }}
      version: ${{ steps.set-outputs.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/checkout@v4
        with:
          repository: niko/gitea-ci-library
          path: .ci

      - name: Install yq
        # COMPROMISE: Requires internet access.
        # Does NOT work in air-gapped environments. The script falls back
        # to BOM-stripping sed if yq is not available.
        run: |
          if ! command -v yq &>/dev/null; then
            sudo apt-get update -qq && sudo apt-get install -y -qq yq
          fi

      - name: Check existing artifact and calculate version
        env:
          SERVER_URL: ${{ gitea.server_url }}
          REPO: ${{ github.repository }}
          SHA: ${{ github.sha }}
        run: bash .ci/scripts/check-version.sh

      - name: Set job outputs
        id: set-outputs
        run: |
          source /tmp/build-ctx/build.env
          echo "artifact_exists=$ARTIFACT_EXISTS" >> "$GITHUB_OUTPUT"
          echo "version=$NEXT_VERSION" >> "$GITHUB_OUTPUT"