---
name: checkrefs
on:
  - push
  - pull_request
env:
  BASE_SHA: ${{ github.event.pull_request.base.sha || github.event.before }}
  HEAD_SHA: ${{ github.event.pull_request.head.sha || github.event.after }}

jobs:
  lfscheck:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Fetch the base branch
        run: git fetch origin ${{ env.BASE_SHA }}

      - name: Check that LFS files are correctly stored as pointers
        run: git-lfs fsck --pointers ${{ env.BASE_SHA }}..${{ env.HEAD_SHA }}

  checkrefs:
    runs-on: ubuntu-latest
    env:
      GIT_LFS_SKIP_SMUDGE: "1"
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
      - name: Add remote fork origin for LFS
        run: |
          PR_REPO="${{ gitea.event.pull_request.head.repo.full_name || gitea.repository }}"
          git remote add ${{ gitea.actor }} https://gitea.wildfiregames.com/${PR_REPO}.git
      - name: Workaround for authentication problem with LFS
        # https://gitea.com/gitea/act_runner/issues/164
        run: |
          git config --local \
          http.${{ gitea.server_url }}/${{ gitea.repository }}.git/info/lfs/objects/.extraheader ''

          PR_REPO="${{ gitea.event.pull_request.head.repo.full_name || gitea.repository }}"
          EXTRAHEADER="$(git config --get --local http.${{ gitea.server_url }}/.extraheader)"
          git config --local \
            http.${{ gitea.server_url }}/${PR_REPO}.git/info/lfs/objects/batch.extraheader \
            '${EXTRAHEADER}'
          git config --local \
            http.${{ gitea.server_url }}/${PR_REPO}.git/info/lfs/objects/.extraheader ''
      - name: Download necessary LFS assets
        shell: sh {0}
        run: |
          git lfs pull -I binaries/data/mods/public/art/meshes,binaries/data/mods/public/maps
          ORIGIN_LFS_PULL_RESULT=$?
          git lfs pull ${{ gitea.actor }} \
            -I binaries/data/mods/public/art/meshes,binaries/data/mods/public/maps
          FORK_LFS_PULL_RESULT=$?

          PR_REPO="${{ gitea.event.pull_request.head.repo.full_name || gitea.repository }}"
          if [ "$ORIGIN_LFS_PULL_RESULT" = "0" ]; then
            echo "SUCCESS: Found all LFS assets in the LFS storage of ${{ gitea.repository }}."
          elif [ "$FORK_LFS_PULL_RESULT" = "0" ]; then
            echo "SUCCESS: Found all LFS assets in the LFS storage of ${PR_REPO}."
          else
            echo "ERROR: Couldn't find all LFS assets in either of the LFS storages."
            false;
          fi
      - name: Install lxml
        run: pip3 install lxml
      - name: Install collada
        run: pip3 install "pycollada>=0.9"
      - name: Check for missing references
        run: |
          ./source/tools/entity/checkrefs.py \
            --check-map-xml \
            --validate-templates \
            --validate-actors \
            --validate-meshes