# ============= Setting up base Stage ================
# Set required LUX_VERSION parameter in build image script
ARG LUX_VERSION

# ============= Compilation Stage ================
FROM --platform=$BUILDPLATFORM golang:1.23.9-bookworm AS builder

WORKDIR /build

# Copy lux dependencies first (intermediate docker image caching)
# Copy node directory if present (for manual CI case, which uses local dependency)
COPY go.mod go.sum node* ./

# Download lux dependencies using go mod
RUN go mod download && go mod tidy -compat=1.20

# Copy the code into the container
COPY . .

# Ensure pre-existing builds are not available for inclusion in the final image
RUN [ -d ./build ] && rm -rf ./build/* || true


ARG TARGETPLATFORM
ARG BUILDPLATFORM

# Configure a cross-compiler if the target platform differs from the build platform.
#
# build_env.sh is used to capture the environmental changes required by the build step since RUN
# environment state is not otherwise persistent.
RUN if [ "$TARGETPLATFORM" = "linux/arm64" ] && [ "$BUILDPLATFORM" != "linux/arm64" ]; then \
  apt-get update && apt-get install -y gcc-aarch64-linux-gnu && \
  echo "export CC=aarch64-linux-gnu-gcc" > ./build_env.sh \
  ; elif [ "$TARGETPLATFORM" = "linux/amd64" ] && [ "$BUILDPLATFORM" != "linux/amd64" ]; then \
  apt-get update && apt-get install -y gcc-x86-64-linux-gnu && \
  echo "export CC=x86_64-linux-gnu-gcc" > ./build_env.sh \
  ; else \
  echo "export CC=gcc" > ./build_env.sh \
  ; fi

# Pass in SUBNET_EVM_COMMIT as an arg to allow the build script to set this externally
ARG SUBNET_EVM_COMMIT
ARG CURRENT_BRANCH

RUN . ./build_env.sh && \
  echo "{CC=$CC, TARGETPLATFORM=$TARGETPLATFORM, BUILDPLATFORM=$BUILDPLATFORM}" && \
  export GOARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) && \
  export CURRENT_BRANCH=$CURRENT_BRANCH && \
  export SUBNET_EVM_COMMIT=$SUBNET_EVM_COMMIT && \
  ./scripts/build.sh build/evm

# ============= Cleanup Stage ================
FROM luxdefi/node:$LUX_VERSION AS builtImage

# Copy the evm binary into the correct location in the container
COPY --from=builder /build/srEXiWaHuhNyGwPUi444Tu47ZEDwxTWrbQiuD7FmgSAQ6X7Dy /node/build/plugins/srEXiWaHuhNyGwPUi444Tu47ZEDwxTWrbQiuD7FmgSAQ6X7Dy