# ---- Stage 1: Build Frontend ----
FROM node:22-alpine AS frontend-builder
WORKDIR /frontend
COPY frontend/package*.json ./
RUN npm install
COPY frontend .
RUN npm run build

# ---- Stage 2: Final Image ----
FROM savonet/liquidsoap:v2.2.5

# Switch to root to install packages
USER root

# Install required packages
# - icecast2: streaming server
# - supervisor: process manager
# - python3-venv, python3-pip: for the backend
# - ffmpeg, libsndfile1: backend audio processing
RUN apt-get update && apt-get install -y \
    icecast2 \
    supervisor \
    python3 \
    python3-venv \
    python3-pip \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Set up Icecast directories and permissions
RUN mkdir -p /var/log/icecast2 /etc/icecast2 /var/run/icecast2 \
    && chown -R liquidsoap:liquidsoap /var/log/icecast2 /etc/icecast2 /var/run/icecast2

COPY icecast.xml /etc/icecast2/icecast.xml

# Prepare python environment
WORKDIR /app
RUN python3 -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

COPY app/requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend code
COPY app /app/app

# Copy liquidsoap config
COPY liquidsoap /app/liquidsoap

# Copy built frontend from Stage 1
COPY --from=frontend-builder /frontend/dist /app/frontend/dist

# Copy supervisord config
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Give liquidsoap user permissions to /app and /data
RUN mkdir -p /data \
    && chown -R liquidsoap:liquidsoap /app /data /opt/venv

# Copy entrypoint script
COPY docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

# Expose required ports: 8080 (API/Web UI), 8000 (Icecast)
EXPOSE 8080 8000

# Start via entrypoint (runs as root to fix permissions, then starts supervisord)
ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]