name: Docs verify

on:
  push:
    branches: ['**']
  pull_request:

jobs:
  verify:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: workspace/docs
    steps:
      - uses: https://github.com/actions/checkout@v4
        with:
          path: workspace/docs
      - name: Checkout compatible peer revisions
        env:
          SOURCE_BRANCH: ${{ github.head_ref || github.ref_name }}
          TARGET_BRANCH: ${{ github.base_ref || github.ref_name }}
        run: |
          set -eu
          for repo in main frontend backend specs; do
            ref=develop
            case "$SOURCE_BRANCH:$TARGET_BRANCH" in
              release/*:*|*:main)
                ref=$(jq -er --arg repo "$repo" '.[$repo]' .ci/refs.json)
                printf '%s\n' "$ref" | grep -Eq '^[0-9a-f]{40}$'
                ;;
            esac
            target="../$repo"
            if [ "$repo" = main ]; then target=..; fi
            git init "$target"
            git -C "$target" remote add origin "https://git.personal.ksv741.ru/WealthLedger/$repo.git"
            git -C "$target" fetch --depth 1 origin "$ref"
            git -C "$target" checkout --detach FETCH_HEAD
            git -C "$target" rev-parse HEAD
          done
          git rev-parse HEAD
      - uses: https://github.com/actions/setup-node@v4
        with:
          node-version-file: workspace/docs/.nvmrc
      - run: npm ci
      - name: Check Markdown and relative links
        run: npm run verify