# ---------- LaTeX Builder Stage ----------
FROM texlive/texlive:latest AS latex-builder

# Install additional dependencies for LaTeX
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    inkscape \
    make \
    fonts-liberation \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/* \
    && inkscape --version

WORKDIR /latex

# Copy the LaTeX source files from local worktrees
COPY latex-qsm /latex/qsm
COPY latex-vsm /latex/vsm

# Build QSM PDF
WORKDIR /latex/qsm
RUN latexmk -xelatex -interaction=nonstopmode -halt-on-error -shell-escape Main.tex && \
    cp Main.pdf /latex/qsm.pdf && \
    latexmk -c

# Build VSM PDF
WORKDIR /latex/vsm
RUN latexmk -xelatex -interaction=nonstopmode -shell-escape Main.tex && \
    cp Main.pdf /latex/vsm.pdf && \
    latexmk -c

# ---------- Base Python Stage ----------
FROM python:3.11-slim AS base

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# System deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    tzdata ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# ---------- App ----------
# Copy application code
COPY src/ /app/src/

# Copy pre-built PDFs from latex-builder stage
COPY --from=latex-builder /latex/qsm.pdf /app/assets/qsm.pdf
COPY --from=latex-builder /latex/vsm.pdf /app/assets/vsm.pdf

# Set Python path
ENV PYTHONPATH=/app/src

# Configure PDF template paths
ENV QSM_TEMPLATE=/app/assets/qsm.pdf \
    VSM_TEMPLATE=/app/assets/vsm.pdf

EXPOSE 8000

# ---------- Run ----------
CMD ["uvicorn", "service_api:app", "--host", "0.0.0.0", "--port", "8000"]