# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

ARG BASE_IMAGE=ghcr.io/meta-pytorch/openenv-base:latest
FROM ${BASE_IMAGE} AS builder

WORKDIR /app


COPY . /app/env

WORKDIR /app/env

RUN if ! command -v uv >/dev/null 2>&1; then \
        curl -LsSf https://astral.sh/uv/install.sh | sh && \
        mv /root/.local/bin/uv /usr/local/bin/uv && \
        mv /root/.local/bin/uvx /usr/local/bin/uvx; \
    fi

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    sumo \
    sumo-tools \
    && rm -rf /var/lib/apt/lists/*

RUN --mount=type=cache,target=/root/.cache/uv \
    if [ -f uv.lock ]; then \
        uv sync --frozen --no-install-project --no-editable; \
    else \
        uv sync --no-install-project --no-editable; \
    fi

RUN --mount=type=cache,target=/root/.cache/uv \
    if [ -f uv.lock ]; then \
        uv sync --frozen --no-editable; \
    else \
        uv sync --no-editable; \
    fi

# Final runtime stage
FROM ${BASE_IMAGE}

RUN apt-get update && apt-get install -y --no-install-recommends \
    sumo \
    sumo-tools \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY --from=builder /app/env/.venv /app/.venv
COPY --from=builder /app/env /app/env

ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONPATH="/app/env:$PYTHONPATH"
ENV SUMO_HOME=/usr/share/sumo
ENV SUMO_NET_FILE=/app/env/nets/single-intersection/single-intersection.net.xml
ENV SUMO_ROUTE_FILE=/app/env/nets/single-intersection/single-intersection.rou.xml
ENV SUMO_NUM_SECONDS=20000
ENV SUMO_DELTA_TIME=5
ENV SUMO_YELLOW_TIME=2
ENV SUMO_MIN_GREEN=5
ENV SUMO_MAX_GREEN=50
ENV SUMO_REWARD_FN=diff-waiting-time
ENV SUMO_SEED=42
ENV ENABLE_WEB_INTERFACE=true

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]