# Build stage
FROM rust:1-bookworm as builder

RUN apt-get update && apt-get install -y --no-install-recommends \
    clang cmake pkg-config libssl-dev git ca-certificates curl \
    && rm -rf /var/lib/apt/lists/*

# sccache optional in release, but still useful for CI
RUN cargo install sccache
ENV RUSTC_WRAPPER=/usr/local/cargo/bin/sccache

WORKDIR /work
# Copy manifests first to leverage Docker layer caching
COPY Cargo.toml Cargo.lock ./
COPY crates/mabelabrs-core/Cargo.toml crates/mabelabrs-core/Cargo.toml
COPY crates/mabelabrs-world/Cargo.toml crates/mabelabrs-world/Cargo.toml
COPY crates/mabelabrs-eval/Cargo.toml  crates/mabelabrs-eval/Cargo.toml
COPY crates/mabelabrs-io/Cargo.toml    crates/mabelabrs-io/Cargo.toml
COPY crates/mabelabrs-utils/Cargo.toml crates/mabelabrs-utils/Cargo.toml
COPY crates/mabelabrs-ffi/Cargo.toml   crates/mabelabrs-ffi/Cargo.toml

# Create empty src to allow dependency build caching
RUN mkdir -p crates/mabelabrs-utils/src && echo "fn main(){}" > crates/mabelabrs-utils/src/main.rs

# Build deps
RUN cargo build -p mabelabrs-utils --release || true

# Now copy the whole source and do the real build
COPY . .
RUN cargo build -p mabelabrs-utils --release

# Runtime stage (distroless-ish; use slim for better debugability)
FROM debian:bookworm-slim

# If your CLI needs SSL/DNS, keep these minimal libs
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates libssl3 && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY --from=builder /work/target/release/mabelabrs-utils /usr/local/bin/mabelabrs-utils

ENTRYPOINT ["/usr/local/bin/mabelabrs-utils"]
CMD ["--help"]