# ===== MULTI-STAGE DOCKERFILE FOR OPENHANDS WEBAPP =====
# This Dockerfile builds and runs the complete OpenHands application
# including both the React frontend and Python FastAPI backend

# ===== FRONTEND BUILD STAGE =====
FROM node:22.13.1-bookworm-slim AS frontend-builder

WORKDIR /app/frontend

# Copy package files first for better layer caching
COPY frontend/package.json frontend/package-lock.json ./

# Install frontend dependencies
RUN npm ci --only=production

# Copy frontend source code
COPY frontend/ ./

# Build the React application
RUN npm run build

# ===== BACKEND BUILD STAGE =====
FROM python:3.12.8-slim AS backend-builder

WORKDIR /app

# Set Poetry environment variables
ENV POETRY_NO_INTERACTION=1 \
    POETRY_VIRTUALENVS_IN_PROJECT=1 \
    POETRY_VIRTUALENVS_CREATE=1 \
    POETRY_CACHE_DIR=/tmp/poetry_cache

# Install system dependencies for building Python packages
RUN apt-get update -y \
    && apt-get install -y --no-install-recommends \
        curl \
        make \
        git \
        build-essential \
    && rm -rf /var/lib/apt/lists/*

# Install Poetry
RUN python3 -m pip install poetry==1.8.2 --break-system-packages

# Copy Python dependency files first for better layer caching
COPY pyproject.toml poetry.lock ./
RUN touch README.md

# Install Python dependencies
RUN poetry install --no-root --no-dev && rm -rf $POETRY_CACHE_DIR

# ===== FINAL RUNTIME STAGE =====
FROM python:3.12.8-slim AS runtime

WORKDIR /app

# Build arguments
ARG OPENHANDS_BUILD_VERSION=dev

# Environment variables for OpenHands
ENV RUN_AS_OPENHANDS=true \
    OPENHANDS_USER_ID=42420 \
    SANDBOX_LOCAL_RUNTIME_URL=http://host.docker.internal \
    USE_HOST_NETWORK=false \
    WORKSPACE_BASE=/opt/workspace_base \
    OPENHANDS_BUILD_VERSION=$OPENHANDS_BUILD_VERSION \
    SANDBOX_USER_ID=0 \
    FILE_STORE=local \
    FILE_STORE_PATH=/.openhands-state \
    PYTHONPATH='/app' \
    VIRTUAL_ENV=/app/.venv \
    PATH="/app/.venv/bin:$PATH"

# Create necessary directories
RUN mkdir -p $FILE_STORE_PATH $WORKSPACE_BASE

# Install runtime system dependencies
RUN apt-get update -y \
    && apt-get install -y --no-install-recommends \
        curl \
        ssh \
        sudo \
        git \
    && rm -rf /var/lib/apt/lists/*

# Configure user management for different UID ranges
RUN sed -i 's/^UID_MIN.*/UID_MIN 499/' /etc/login.defs \
    && sed -i 's/^UID_MAX.*/UID_MAX 1000000/' /etc/login.defs

# Create app group and openhands user
RUN groupadd app \
    && useradd -l -m -u $OPENHANDS_USER_ID -s /bin/bash openhands \
    && usermod -aG app openhands \
    && usermod -aG sudo openhands \
    && echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers

# Set ownership and permissions
RUN chown -R openhands:app /app && chmod -R 770 /app \
    && chown -R openhands:app $WORKSPACE_BASE && chmod -R 770 $WORKSPACE_BASE

# Switch to openhands user for application setup
USER openhands

# Copy Python virtual environment from builder stage
COPY --chown=openhands:app --chmod=770 --from=backend-builder /app/.venv /app/.venv

# Copy Python application code
COPY --chown=openhands:app --chmod=770 ./microagents ./microagents
COPY --chown=openhands:app --chmod=770 ./openhands ./openhands
COPY --chown=openhands:app --chmod=777 ./openhands/runtime/plugins ./openhands/runtime/plugins
COPY --chown=openhands:app --chmod=770 ./openhands/agenthub ./openhands/agenthub

# Copy configuration and metadata files
COPY --chown=openhands:app ./pyproject.toml ./poetry.lock ./README.md ./MANIFEST.in ./LICENSE ./

# Download assets (run as openhands user to set correct ownership)
RUN python openhands/core/download.py

# Copy built frontend from frontend-builder stage
COPY --chown=openhands:app --chmod=770 --from=frontend-builder /app/frontend/build ./frontend/build

# Copy entrypoint script
COPY --chown=openhands:app --chmod=770 ./containers/app/entrypoint.sh /app/entrypoint.sh

# Ensure all files are in the app group
RUN find /app \! -group app -exec chgrp app {} + 2>/dev/null || true

# Switch back to root for entrypoint execution
USER root

# Health check to ensure the application is running
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:3000/ || exit 1

# Expose the application port
EXPOSE 3000

# Set entrypoint and default command
ENTRYPOINT ["/app/entrypoint.sh"]
CMD ["uvicorn", "openhands.server.listen:app", "--host", "0.0.0.0", "--port", "3000"]