name: Update playlist

on:
  push:
    branches: [ master ]
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  update-plalist:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6
      - name: Update playlist
        run: |
          git config user.name "PlaylistBot" || true
          git config user.email "playlistbot@users.noreply.github.com" || true
          python3 ./make_playlist.py
          git add .
          git diff --staged --quiet || git commit --quiet -m "Update Playlist (GitHub Actions)"
          git diff --quiet HEAD @{u} || git push -f origin HEAD
      - name: Email Arabic playlist links
        if: ${{ (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && secrets.SMTP_HOST != '' && secrets.SMTP_USERNAME != '' && secrets.SMTP_PASSWORD != '' && secrets.RECIPIENT_EMAIL != '' }}
        env:
          RECIPIENT_EMAIL: ${{ secrets.RECIPIENT_EMAIL }}
          SMTP_FROM: ${{ secrets.SMTP_FROM }}
          SMTP_HOST: ${{ secrets.SMTP_HOST }}
          SMTP_PASSWORD: ${{ secrets.SMTP_PASSWORD }}
          SMTP_PORT: ${{ secrets.SMTP_PORT }}
          SMTP_USERNAME: ${{ secrets.SMTP_USERNAME }}
        run: |
          python3 - <<'PY'
          import os
          import smtplib
          from email.message import EmailMessage

          repository = os.environ["GITHUB_REPOSITORY"]
          branch = os.environ.get("GITHUB_REF_NAME", "master")
          raw_base = f"https://raw.githubusercontent.com/{repository}/{branch}/playlists"
          links = [
              ("Arabic bundle", f"{raw_base}/playlist_arabic.m3u8"),
              ("Arabic news", f"{raw_base}/playlist_zz_news_ar.m3u8"),
              ("Arabic documentaries", f"{raw_base}/playlist_zz_documentaries_ar.m3u8"),
              ("Egypt", f"{raw_base}/playlist_egypt.m3u8"),
              ("Iraq", f"{raw_base}/playlist_iraq.m3u8"),
              ("Qatar", f"{raw_base}/playlist_qatar.m3u8"),
              ("Saudi Arabia", f"{raw_base}/playlist_saudi_arabia.m3u8"),
              ("United Arab Emirates", f"{raw_base}/playlist_united_arab_emirates.m3u8"),
          ]

          message = EmailMessage()
          message["Subject"] = "Daily Arabic IPTV playlists"
          message["From"] = os.environ.get("SMTP_FROM") or os.environ["SMTP_USERNAME"]
          message["To"] = os.environ["RECIPIENT_EMAIL"]
          message.set_content(
              "Latest curated Arabic playlists from this repository:\n\n"
              + "\n".join(f"- {name}: {url}" for name, url in links)
          )

          host = os.environ["SMTP_HOST"]
          port = int(os.environ.get("SMTP_PORT") or "587")
          username = os.environ["SMTP_USERNAME"]
          password = os.environ["SMTP_PASSWORD"]

          if port == 465:
              smtp = smtplib.SMTP_SSL(host, port)
          else:
              smtp = smtplib.SMTP(host, port)

          with smtp:
              smtp.ehlo()
              if port != 465:
                  smtp.starttls()
                  smtp.ehlo()
              smtp.login(username, password)
              smtp.send_message(message)
          PY