# Multi-stage Dockerfile to build SeaweedFS with FoundationDB support for ARM64
FROM --platform=linux/arm64 golang:1.24-bookworm AS builder

ARG FOUNDATIONDB_VERSION=7.4.5
ENV FOUNDATIONDB_VERSION=${FOUNDATIONDB_VERSION}

# Install build dependencies and download prebuilt FoundationDB clients
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    wget \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/* && \
    set -euo pipefail && \
    case "${FOUNDATIONDB_VERSION}" in \
        "7.4.5") EXPECTED_SHA256="f2176b86b7e1b561c3632b4e6e7efb82e3b8f57c2ff0d0ac4671e742867508aa" ;; \
        *) echo "ERROR: No known ARM64 client checksum for FoundationDB ${FOUNDATIONDB_VERSION}. Please update this Dockerfile." >&2; exit 1 ;; \
    esac && \
    PACKAGE="foundationdb-clients_${FOUNDATIONDB_VERSION}-1_aarch64.deb" && \
    wget --timeout=30 --tries=3 https://github.com/apple/foundationdb/releases/download/${FOUNDATIONDB_VERSION}/${PACKAGE} && \
    echo "${EXPECTED_SHA256}  ${PACKAGE}" | sha256sum -c - && \
    dpkg -i ${PACKAGE} && \
    rm ${PACKAGE} && \
    ldconfig && \
    echo "✅ FoundationDB client libraries installed (prebuilt ${FOUNDATIONDB_VERSION})"

# Set up Go environment for CGO
ENV CGO_ENABLED=1
ENV GOOS=linux
ENV GOARCH=arm64
ENV CGO_CFLAGS="-I/usr/include -I/usr/include/foundationdb"
ENV CGO_LDFLAGS="-L/usr/lib -lfdb_c"

# Create work directory
WORKDIR /build

# Copy source code
COPY . .

# Download Go dependencies
RUN go mod download

# Build SeaweedFS with FoundationDB support
RUN echo "🔨 Building SeaweedFS with FoundationDB support for ARM64..." && \
    echo "🔍 Debugging: Checking headers before build..." && \
    find /usr -name "fdb_c.h" -type f 2>/dev/null && \
    ls -la /usr/include/foundationdb/ 2>/dev/null && \
    ls -la /usr/lib/libfdb_c* 2>/dev/null && \
    echo "CGO_CFLAGS: $CGO_CFLAGS" && \
    echo "CGO_LDFLAGS: $CGO_LDFLAGS" && \
    go build -tags foundationdb -ldflags="-w -s" -o ./weed/weed ./weed && \
    chmod +x ./weed/weed && \
    echo "✅ Build successful!" && \
    ./weed/weed version

# Runtime stage
FROM --platform=linux/arm64 debian:bookworm-slim

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

# Copy FoundationDB client library and headers from builder
COPY --from=builder /usr/lib/libfdb_c* /usr/lib/
COPY --from=builder /usr/include/foundationdb /usr/include/foundationdb
RUN ldconfig

# Copy SeaweedFS binary
COPY --from=builder /build/weed/weed /usr/local/bin/weed

# Create runtime directories
RUN mkdir -p /var/fdb/config /data

# Verify binary works
RUN weed version

# Expose SeaweedFS ports
EXPOSE 9333 19333 8888 8333 18888

# Default command
CMD ["weed", "version"]