# Multi-stage build for Foxhunt Backtesting Service
FROM nvidia/cuda:12.1-devel-ubuntu22.04 as builder

# Install Rust and system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    build-essential \
    pkg-config \
    libssl-dev \
    libpq-dev \
    protobuf-compiler \
    && rm -rf /var/lib/apt/lists/*

# Install Rust
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"

# Set workspace directory
WORKDIR /workspace

# Copy workspace Cargo files
COPY ../../Cargo.toml ../../Cargo.lock ./
COPY ../../core ./core
COPY ../../risk ./risk
COPY ../../data ./data
COPY ../../adaptive-strategy ./adaptive-strategy
COPY ../backtesting_service ./services/backtesting_service

# Build the backtesting service
RUN cargo build --release -p backtesting_service

# === RUNTIME IMAGE ===
FROM nvidia/cuda:12.1-runtime-ubuntu22.04

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    ca-certificates \
    libssl3 \
    libpq5 \
    curl \
    python3 \
    python3-pip \
    && rm -rf /var/lib/apt/lists/*

# Install Python packages for analysis
RUN pip3 install matplotlib pandas numpy jupyter

# Create app user
RUN groupadd -r foxhunt && useradd -r -g foxhunt foxhunt

# Create directories
RUN mkdir -p /app/config /app/data /app/backtests /app/logs \
    && chown -R foxhunt:foxhunt /app

# Copy binary from builder
COPY --from=builder /workspace/target/release/backtesting_service /app/backtesting_service
RUN chmod +x /app/backtesting_service

# Copy configuration templates
COPY config/ /app/config/

USER foxhunt
WORKDIR /app

# Expose ports
EXPOSE 8082 8083 6006

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=45s --retries=3 \
    CMD curl -f http://localhost:8083/health || exit 1

# Set environment variables
ENV RUST_LOG=info
ENV FOXHUNT_CONFIG=/app/config/config.toml
ENV FOXHUNT_BACKTEST_DATA_DIR=/app/backtests

CMD ["./backtesting_service"]