name: Notion Docs Sync

on:
  push:
    branches: [main]
    paths:
      - 'docs/**'
      - '*.md'
      - 'CHANGELOG.md'
  schedule:
    - cron: '0 6 * * 1'  # Monday 6 AM
  workflow_dispatch:

jobs:
  sync-to-notion:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install Notion client
        run: pip install notion-client markdown2 python-frontmatter

      - name: Sync docs to Notion
        env:
          NOTION_API_KEY: ${{ secrets.NOTION_API_KEY }}
          NOTION_DATABASE_ID: ${{ secrets.NOTION_DATABASE_ID }}
          REPO_NAME: ${{ github.repository }}
        run: |
          python3 - <<'PYEOF'
          import os, glob, json
          from notion_client import Client
          import frontmatter

          notion = Client(auth=os.environ.get("NOTION_API_KEY", ""))
          db_id = os.environ.get("NOTION_DATABASE_ID", "")

          if not db_id:
              print("⚠ NOTION_DATABASE_ID not set — skipping")
              exit(0)

          def sync_file(filepath):
              with open(filepath) as f:
                  post = frontmatter.load(f)
              title = post.get("title", os.path.basename(filepath).replace(".md", ""))
              content = post.content[:2000]  # Notion block limit

              # Check if page exists
              results = notion.databases.query(
                  database_id=db_id,
                  filter={"property": "Name", "title": {"equals": title}}
              )

              page_data = {
                  "parent": {"database_id": db_id},
                  "properties": {
                      "Name": {"title": [{"text": {"content": title}}]},
                      "Repo": {"rich_text": [{"text": {"content": os.environ["REPO_NAME"]}}]},
                      "File": {"rich_text": [{"text": {"content": filepath}}]},
                  },
                  "children": [{
                      "object": "block",
                      "type": "paragraph",
                      "paragraph": {"rich_text": [{"type": "text", "text": {"content": content[:2000]}}]}
                  }]
              }

              if results["results"]:
                  notion.pages.update(page_id=results["results"][0]["id"], properties=page_data["properties"])
                  print(f"✓ Updated: {title}")
              else:
                  notion.pages.create(**page_data)
                  print(f"✓ Created: {title}")

          for md_file in glob.glob("docs/**/*.md", recursive=True) + glob.glob("*.md"):
              try:
                  sync_file(md_file)
              except Exception as e:
                  print(f"⚠ {md_file}: {e}")
          PYEOF

  sync-changelog:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Post release notes to Notion
        env:
          NOTION_API_KEY: ${{ secrets.NOTION_API_KEY }}
          NOTION_RELEASES_DB: ${{ secrets.NOTION_RELEASES_DB }}
        run: |
          echo "Changelog sync complete — add NOTION_RELEASES_DB secret to enable"