# Reusable workflow: Lua-Lib / Module (Cat 3 per ADR-0025)
# luacheck + JSON validation + on-tag zip
name: Lua CI

on:
  workflow_call:
    inputs:
      lint_target:
        description: "Path glob to lint (default: lua/ + init.lua + scripts/)"
        type: string
        default: "lua/ scripts/ init.lua"

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install luacheck
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y luarocks
          sudo luarocks install luacheck

      - name: Run luacheck
        run: |
          luacheck ${{ inputs.lint_target }} --no-unused-args --no-self || \
            (echo "::error::luacheck failures" && exit 1)

      - name: Manifest validation
        shell: bash
        run: |
          for manifest in manifest.module manifest.core lib.json; do
            if [ -f "$manifest" ]; then
              python3 -c "import json; json.load(open('$manifest'))" || \
                (echo "::error::$manifest invalid JSON" && exit 1)
              echo "$manifest: valid JSON"
            fi
          done
          if [ -f dependencies.json ]; then
            python3 -c "import json; d=json.load(open('dependencies.json')); assert 'required' in d or 'suggests' in d"
          fi

      - name: README presence (per ADR-0026)
        run: |
          test -s README.md || (echo "::error::README.md missing or empty" && exit 1)

      - name: LICENSE presence (per ADR-0027)
        run: |
          test -s LICENSE || (echo "::error::LICENSE missing or empty" && exit 1)

  package:
    needs: lint
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Package as zip
        run: |
          ARTEFACT="${GITHUB_REPOSITORY##*/}-${GITHUB_REF_NAME}.zip"
          zip -r "$ARTEFACT" . -x "*.git/*" -x "*.gitea/*" -x "tests/*"
          echo "ARTEFACT_NAME=$ARTEFACT" >> "$GITHUB_ENV"

      - name: Upload to Gitea Release
        uses: akkuman/gitea-release-action@v1
        with:
          files: ${{ env.ARTEFACT_NAME }}