# ── RV50x Template Manager ─────────────────────────────────────────────────
# Uses the official Playwright Python image which has Chromium and all
# required system libraries pre-installed — no manual apt installs needed.
# ───────────────────────────────────────────────────────────────────────────

FROM mcr.microsoft.com/playwright/python:v1.44.0-jammy

# Set working directory inside the container
WORKDIR /app

# ── Install Python dependencies ─────────────────────────────────────────────
# Copy requirements first so Docker caches this layer — only rebuilds when
# requirements.txt changes, not every time app code changes.
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ── Install Playwright's Chromium browser ───────────────────────────────────
# The base image has the system libs; this installs the actual browser binary.
RUN playwright install chromium

# ── Copy application files ──────────────────────────────────────────────────
COPY app.py .
COPY index.html .

# ── Create data directories ─────────────────────────────────────────────────
# These will be overridden by volume mounts in docker-compose, but we create
# them here so the app works even if volumes aren't configured.
RUN mkdir -p /data/template_downloads \
             /data/template_uploads \
             /data/xml_templates

# ── Environment defaults ────────────────────────────────────────────────────
# These are overridden by the .env file or docker-compose environment section.
ENV DOWNLOAD_DIR=/data/template_downloads
ENV UPLOAD_DIR=/data/template_uploads
ENV TEMPLATES_DIR=/data/xml_templates
ENV PYTHONUNBUFFERED=1

# ── Expose port ─────────────────────────────────────────────────────────────
# Change the left number in docker-compose.yml to remap to a different host port.
EXPOSE 8000

# ── Start the application ───────────────────────────────────────────────────
# SSL_CERT and SSL_KEY env vars are optional — if set, uvicorn serves HTTPS.
# If not set, falls back to plain HTTP (useful for local dev).
CMD ["sh", "-c", "\
  if [ -n \"$SSL_CERT\" ] && [ -n \"$SSL_KEY\" ]; then \
    echo 'Starting with HTTPS'; \
    python -m uvicorn app:app --host 0.0.0.0 --port 8000 \
      --ssl-certfile \"$SSL_CERT\" --ssl-keyfile \"$SSL_KEY\"; \
  else \
    echo 'Starting with HTTP (no SSL vars set)'; \
    python -m uvicorn app:app --host 0.0.0.0 --port 8000; \
  fi"]