name: 'Register Skill'
description: 'Standardized registration of a skill version to the business system'

inputs:
  client_key:
    description: 'Authentication key for the business system'
    required: true
  api_base:
    description: 'API gateway base URL'
    default: 'https://api-gw-test.yuanwei-lnc.com'
  skill_slug:
    description: 'Override skill slug (defaults to package.json name or repo name)'
    required: false
  release_note:
    description: 'Optional release note for this version'
    required: false
    default: ''

runs:
  using: "composite"
  steps:
    - name: Register skill version
      shell: python3 {0}
      env:
        INPUT_CLIENT_KEY: ${{ inputs.client_key }}
        INPUT_API_BASE: ${{ inputs.api_base }}
        INPUT_SKILL_SLUG: ${{ inputs.skill_slug }}
        INPUT_RELEASE_NOTE: ${{ inputs.release_note }}
        SKILL_SUBPATH: ${{ env.SKILL_SUBPATH }}
        SKILL_DOC_PATH: ${{ env.SKILL_DOC_PATH }}
        GITHUB_REPOSITORY: ${{ github.repository }}
        GITHUB_REF_NAME: ${{ github.ref_name }}
        GITHUB_SHA: ${{ github.sha }}
        GITHUB_SERVER_URL: ${{ github.server_url }}
      run: |
        import os, json, sys
        from urllib.request import urlopen, Request
        from urllib.error import HTTPError

        api_base     = os.environ['INPUT_API_BASE'].rstrip('/')
        client_key   = os.environ['INPUT_CLIENT_KEY']
        skill_slug   = os.environ.get('INPUT_SKILL_SLUG', '').strip()
        release_note = os.environ.get('INPUT_RELEASE_NOTE', '')
        subpath      = os.environ.get('SKILL_SUBPATH', '').strip()
        doc_path     = os.environ.get('SKILL_DOC_PATH', '').strip() or 'SKILL.md'
        repo         = os.environ['GITHUB_REPOSITORY']
        ref_name     = os.environ['GITHUB_REF_NAME']
        sha          = os.environ['GITHUB_SHA']
        server_url   = os.environ['GITHUB_SERVER_URL'].rstrip('/')

        base_dir = subpath if subpath else '.'

        # Resolve skill slug
        if not skill_slug:
            pkg = os.path.join(base_dir, 'package.json')
            if os.path.exists(pkg):
                name = json.load(open(pkg)).get('name', '')
                skill_slug = name.split('/')[-1] if name else ''
        if not skill_slug:
            skill_slug = repo.split('/')[-1]

        # Load skill doc
        doc_abs = os.path.join(subpath, doc_path) if subpath else doc_path
        if not os.path.exists(doc_abs):
            fallback = os.path.join(subpath, 'README.md') if subpath else 'README.md'
            if os.path.exists(fallback):
                doc_abs = fallback
                doc_path = 'README.md'
            else:
                print(f'ERROR: skill doc not found: {doc_abs}', flush=True)
                sys.exit(1)
        doc_content = open(doc_abs).read()
        print(f'Registering slug={skill_slug} version={ref_name} doc={doc_abs}', flush=True)

        def post(url, body, token=None):
            headers = {'Content-Type': 'application/json'}
            if token:
                headers['Authorization'] = f'Bearer {token}'
            req = Request(url, data=json.dumps(body).encode(), headers=headers, method='POST')
            try:
                with urlopen(req) as r:
                    return r.status, json.loads(r.read())
            except HTTPError as e:
                return e.code, json.loads(e.read())

        # Exchange client key for access token
        status, resp = post(f'{api_base}/auth/skill-credit/session', {'clientKey': client_key})
        token = resp.get('accessToken', '')
        if not token:
            print(f'ERROR: failed to get access token (HTTP {status}): {resp}', flush=True)
            sys.exit(1)

        # Register
        payload = {
            'skill_slug':       skill_slug,
            'version':          ref_name,
            'release_note':     release_note,
            'source_type':      'git_ci',
            'repo_url':         f'{server_url}/{repo}.git',
            'repo_subpath':     subpath,
            'git_ref':          ref_name,
            'commit_sha':       sha,
            'skill_doc_path':   doc_path,
            'skill_doc_content': doc_content,
            'runtime_meta':     {'entry_hint': f'{subpath + "/" if subpath else ""}scripts', 'provider': 'forgejo'},
        }
        status, resp = post(f'{api_base}/ecom/skills/register-by-slug', payload, token)
        if not (200 <= status < 300):
            print(f'ERROR: registration failed HTTP {status}: {resp}', flush=True)
            sys.exit(1)
        print(f'Registered successfully: {json.dumps(resp, indent=2)}', flush=True)