pre-commit:
  parallel: true
  commands:
    check-author:
      run: |
        EMAIL=$(git config user.email)
        ALLOWED="jp@svrnty.io mathias@svrnty.io"
        for a in $ALLOWED; do
          [ "$EMAIL" = "$a" ] && exit 0
        done
        echo "BLOCKED: author email '$EMAIL' not in allowed list: $ALLOWED"
        exit 1
    no-secrets:
      run: |
        BLOCKED=$(git diff --cached --name-only | grep -E '\.(env|pem|key)$|credentials\.json|id_rsa|id_ed25519' || true)
        if [ -n "$BLOCKED" ]; then
          echo "BLOCKED: refusing to commit sensitive files:"
          echo "$BLOCKED"
          exit 1
        fi
    no-large-files:
      run: |
        LARGE=$(git diff --cached --name-only -z | xargs -0 -I{} sh -c 'if [ -f "{}" ]; then size=$(wc -c < "{}"); if [ "$size" -gt 5242880 ]; then echo "{} ($(( size / 1048576 ))MB)"; fi; fi' || true)
        if [ -n "$LARGE" ]; then
          echo "WARNING: large files staged (>5MB):"
          echo "$LARGE"
        fi

commit-msg:
  commands:
    validate-message:
      run: |
        MSG=$(cat "{1}")
        if echo "$MSG" | head -1 | grep -qE '^Merge '; then
          exit 0
        fi
        if ! echo "$MSG" | head -1 | grep -qE '^[a-z]+(\([a-zA-Z0-9_-]+\))?: .+'; then
          echo "WARNING: commit message does not follow conventional format: type(scope): message"
        fi
    append-coauthor:
      run: |
        MSG=$(cat "{1}")
        if ! echo "$MSG" | grep -qF 'Co-Authored-By: Svrnty Inc. <jp@svrnty.io>'; then
          printf '\n\nCo-Authored-By: Svrnty Inc. <jp@svrnty.io>\n' >> "{1}"
        fi

pre-push:
  commands:
    protect-main:
      run: |
        BRANCH=$(git rev-parse --abbrev-ref HEAD)
        if [ "$BRANCH" = "main" ] || [ "$BRANCH" = "master" ]; then
          echo "BLOCKED: direct push to $BRANCH is not allowed"
          exit 1
        fi
    check-behind-remote:
      run: |
        git fetch origin 2>/dev/null || true
        BRANCH=$(git rev-parse --abbrev-ref HEAD)
        BEHIND=$(git rev-list --count HEAD..origin/"$BRANCH" 2>/dev/null || echo 0)
        if [ "$BEHIND" -gt 0 ]; then
          echo "WARNING: local branch is $BEHIND commit(s) behind origin/$BRANCH"
        fi