# 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.

# Compatibility mirror of the repo-root Dockerfile.
# For HF Space deployment, prefer the repo-root Dockerfile as the source of
# truth so the API and command center UI stay aligned.

# Multi-stage build using openenv-base
# This Dockerfile is flexible and works for both:
# - In-repo environments (with local OpenEnv sources)
# - Standalone environments (with openenv from PyPI/Git)
# The build script (openenv build) handles context detection and sets appropriate build args.

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

WORKDIR /app

# Ensure git is available (required for installing dependencies from VCS)
RUN apt-get update && \
    apt-get install -y --no-install-recommends git && \
    rm -rf /var/lib/apt/lists/*

# Build argument to control whether we're building standalone or in-repo
ARG BUILD_MODE=in-repo
ARG ENV_NAME=browser_env

# Copy environment code (always at root of build context)
COPY . /app/env

# For in-repo builds, openenv is already vendored in the build context
# For standalone builds, openenv will be installed via pyproject.toml
WORKDIR /app/env

# Never trust a copied local virtualenv from the build context.
RUN rm -rf /app/env/.venv

# Ensure uv is available (for local builds where base image lacks it)
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
    
# Install dependencies using uv sync
# If uv.lock exists, use it; otherwise resolve on the fly
RUN --mount=type=cache,target=/root/.cache/uv \
    if [ -f uv.lock ]; then \
        uv sync --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 --no-editable; \
    else \
        uv sync --no-editable; \
    fi

# Install Chromium runtime dependencies explicitly instead of relying on
# `playwright install --with-deps`, which can request obsolete package names
# on newer Debian/Ubuntu bases.
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        libasound2 \
        libatk-bridge2.0-0 \
        libatk1.0-0 \
        libatspi2.0-0 \
        libcairo2 \
        libcups2 \
        libdbus-1-3 \
        libdrm2 \
        libgbm1 \
        libglib2.0-0 \
        libgtk-3-0 \
        libnspr4 \
        libnss3 \
        libpango-1.0-0 \
        libx11-6 \
        libx11-xcb1 \
        libxcb1 \
        libxcb-dri3-0 \
        libxcomposite1 \
        libxdamage1 \
        libxfixes3 \
        libxkbcommon0 \
        libxrandr2 \
        fonts-liberation \
        fonts-noto-color-emoji \
        fonts-unifont \
        fonts-freefont-ttf \
        ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# BrowserGym uses Playwright/Chromium. MiniWoB also needs the static task files.
RUN /app/env/.venv/bin/playwright install chromium && \
    git clone https://github.com/Farama-Foundation/miniwob-plusplus.git /app/miniwob-plusplus && \
    git -C /app/miniwob-plusplus reset --hard 7fd85d71a4b60325c6585396ec4f48377d049838

# Final runtime stage
FROM ${BASE_IMAGE}

WORKDIR /app

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        libasound2 \
        libatk-bridge2.0-0 \
        libatk1.0-0 \
        libatspi2.0-0 \
        libcairo2 \
        libcups2 \
        libdbus-1-3 \
        libdrm2 \
        libgbm1 \
        libglib2.0-0 \
        libgtk-3-0 \
        libnspr4 \
        libnss3 \
        libpango-1.0-0 \
        libx11-6 \
        libx11-xcb1 \
        libxcb1 \
        libxcb-dri3-0 \
        libxcomposite1 \
        libxdamage1 \
        libxfixes3 \
        libxkbcommon0 \
        libxrandr2 \
        fonts-liberation \
        fonts-noto-color-emoji \
        fonts-unifont \
        fonts-freefont-ttf \
        ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# Copy the virtual environment from builder
COPY --from=builder /app/env/.venv /app/.venv

# Copy the environment code
COPY --from=builder /app/env /app/env
COPY --from=builder /app/miniwob-plusplus /app/miniwob-plusplus

# Set PATH to use the virtual environment
ENV PATH="/app/.venv/bin:$PATH"

# Set PYTHONPATH so imports work correctly
ENV PYTHONPATH="/app/env:$PYTHONPATH"
ENV MINIWOB_URL="file:///app/miniwob-plusplus/miniwob/html/miniwob/"

RUN /app/.venv/bin/playwright install chromium

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the FastAPI server
# The module path is constructed to work with the /app/env structure
CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]