#!/bin/bash
# SPDX-License-Identifier: AGPL-3.0-or-later
#
# Cross-compile Beaver for aarch64-unknown-linux-gnu using Docker.
# The source tree is bind-mounted — no separate clone needed.
#
# The target/ directory uses a Docker named volume because macOS has a
# case-insensitive filesystem which breaks mozjs (it generates both
# string.h and String.h system wrappers that collide).

set -e

PROFILE=${1:-"release"}
IMAGE_NAME="beaver-arm64-builder"
TARGET_VOLUME="beaver-arm64-target"

# Build Docker image if it doesn't exist yet.
if ! docker image inspect "$IMAGE_NAME" &>/dev/null; then
    echo "Building cross-compilation image..."
    docker build -t "$IMAGE_NAME" -f support/docker/Dockerfile.arm64 .
fi

echo "Building beaver-shell for aarch64 (profile: ${PROFILE})..."

docker run --rm \
    --memory=24g \
    -v "$(pwd):/src" \
    -v "${TARGET_VOLUME}:/src/target" \
    -v "${HOME}/.cargo/registry:/root/.cargo/registry" \
    -v "${HOME}/.cargo/git:/root/.cargo/git" \
    -e PKG_CONFIG_ALLOW_CROSS=1 \
    -e PKG_CONFIG_SYSROOT_DIR="" \
    -e PKG_CONFIG_PATH="/usr/lib/aarch64-linux-gnu/pkgconfig" \
    -e CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc \
    -e CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++ \
    -e AR_aarch64_unknown_linux_gnu=aarch64-linux-gnu-ar \
    -e CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
    -e BINDGEN_EXTRA_CLANG_ARGS="--target=aarch64-linux-gnu" \
    -e CARGO_BUILD_JOBS="${CARGO_BUILD_JOBS:-8}" \
    "$IMAGE_NAME" \
    cargo build --target aarch64-unknown-linux-gnu --profile "$PROFILE" \
        -p beaver-shell \
        --no-default-features \
        --features="servo/clipboard,servo/gstreamer,js_jit,max_log_level,native-bluetooth,webgpu"

# Copy the binary out of the Docker volume to the host for deploy.
echo "Copying binary from Docker volume..."
docker run --rm \
    -v "${TARGET_VOLUME}:/target" \
    -v "$(pwd)/dist:/out" \
    "$IMAGE_NAME" \
    sh -c "mkdir -p /out && cp /target/aarch64-unknown-linux-gnu/${PROFILE}/beavershell /out/"

echo "Build complete: dist/beavershell"