# cargo-make configuration for smolvm
# https://github.com/sagiegurari/cargo-make
#
# Usage:
#   cargo make dev              # Build and codesign (macOS)
#   cargo make smolvm <args>    # Run with env vars configured for local resources
#   cargo make dist             # Build distribution package
#   cargo make test             # Run all tests
#   cargo make lint             # Clippy + fmt checks

[config]
min_version = "0.37.0"
default_to_workspace = false
skip_core_tasks = true

# =============================================================================
# Development Tasks
# =============================================================================

[tasks.dev]
description = "Build and codesign dev binary (macOS auto-signs)"
category = "Development"

script_runner = "bash"
script = [
'''
if [ -z "${LIBKRUN_BUNDLE:-}" ]; then
  if [ "$(uname -s)" = "Linux" ]; then
    export LIBKRUN_BUNDLE="${CARGO_MAKE_WORKING_DIRECTORY}/lib/linux-$(uname -m)"
  else
    export LIBKRUN_BUNDLE="${CARGO_MAKE_WORKING_DIRECTORY}/lib"
  fi
fi

cargo build --release
if [ "$(uname -s)" = "Darwin" ]; then
  codesign --force --sign - --entitlements smolvm.entitlements ./target/release/smolvm
  echo "✓ Codesigned ./target/release/smolvm"
else
  echo "✓ Linux: no codesigning needed"
fi
echo ""
echo "Binary ready! Run it with:"
echo "  cargo make smolvm --version"
echo "  cargo make smolvm sandbox run --net alpine:latest -- echo hello"
'''
]

[tasks.ensure-binary-signed]
description = "Ensure binary is built and signed (macOS)"
category = "Development"
script_runner = "bash"
script = [
'''
if [ ! -f ./target/release/smolvm ]; then
  echo "Binary not found, building..."
  cargo build --release
fi
if [ "$(uname -s)" = "Darwin" ]; then
  codesign --force --sign - --entitlements smolvm.entitlements ./target/release/smolvm 2>/dev/null || true
fi
'''
]

[tasks.smolvm]
description = "Run smolvm with environment variables set up"
category = "Development"
dependencies = ["ensure-binary-signed"]
env = { DYLD_LIBRARY_PATH = "${CARGO_MAKE_WORKING_DIRECTORY}/lib", SMOLVM_AGENT_ROOTFS = "${CARGO_MAKE_WORKING_DIRECTORY}/target/agent-rootfs" }
script_runner = "bash"
script = [
'''
IFS=';' read -ra ARGS <<< "${CARGO_MAKE_TASK_ARGS}"
exec ./target/release/smolvm "${ARGS[@]}"
'''
]

# =============================================================================
# Build Tasks
# =============================================================================

[tasks.build]
description = "Build release binary"
category = "Build"
command = "cargo"
args = ["build", "--release"]

[tasks.build-agent]
description = "Build agent for Linux (size-optimized)"
category = "Build"
script_runner = "bash"
script = [
'''
if [ "$(uname -s)" = "Linux" ]; then
  cargo build --profile release-small -p smolvm-agent --target x86_64-unknown-linux-musl
else
  docker run --rm -v "$(pwd):/work" -w /work rust:alpine sh -c 'apk add musl-dev && cargo build --profile release-small -p smolvm-agent'
fi
'''
]

# =============================================================================
# libkrun Tasks
# =============================================================================

[tasks.build-libkrunfw]
description = "Build libkrunfw guest kernel and update lib/ (slow: downloads and compiles Linux 6.x)"
category = "Build"
script_runner = "bash"
script = [
'''
set -e
ARCH=$(uname -m)
FULL_VERSION=$(grep '^FULL_VERSION' libkrunfw/Makefile | cut -d= -f2 | tr -d ' ')
KERNEL_SRC=$(grep '^KERNEL_VERSION' libkrunfw/Makefile | cut -d= -f2 | tr -d ' ')

# If the kernel source tree already exists, update its .config and force
# kernel.c to regenerate — otherwise make skips both steps.
if [ -d "libkrunfw/${KERNEL_SRC}" ]; then
  cp libkrunfw/config-libkrunfw_x86_64 libkrunfw/${KERNEL_SRC}/.config
  make -C libkrunfw/${KERNEL_SRC} olddefconfig
  rm -f libkrunfw/kernel.c
fi

make -C libkrunfw
mkdir -p lib/linux-${ARCH}
cp libkrunfw/libkrunfw.so.${FULL_VERSION} lib/linux-${ARCH}/libkrunfw.so.${FULL_VERSION}
cd lib/linux-${ARCH}
ln -sf libkrunfw.so.${FULL_VERSION} libkrunfw.so.5
ln -sf libkrunfw.so.5 libkrunfw.so
echo "✓ libkrunfw ${FULL_VERSION} built and installed to lib/linux-${ARCH}/"
'''
]

[tasks.build-libkrun]
description = "Build libkrun with BLK and GPU support and copy into lib/ (run build-libkrunfw first if kernel config changed)"
category = "Build"
script_runner = "bash"
script = [
'''
set -e
ARCH=$(uname -m)
make -C libkrun BLK=1 NET=1 GPU=1
if [ "$(uname -s)" = "Darwin" ]; then
  # macOS: the dylib lives in lib/ (alongside libkrunfw.5.dylib).
  cp libkrun/target/release/libkrun.dylib lib/libkrun.dylib
  ./scripts/stamp-libkrun-provenance.sh lib --skip-libkrunfw
  echo "✓ libkrun built and copied to lib/libkrun.dylib"
else
  mkdir -p lib/linux-${ARCH}
  cp libkrun/target/release/libkrun.so lib/linux-${ARCH}/libkrun.so
  ./scripts/stamp-libkrun-provenance.sh lib/linux-${ARCH} --skip-libkrunfw
  echo "✓ libkrun built and copied to lib/linux-${ARCH}/libkrun.so"
fi
'''
]

# =============================================================================
# Distribution Tasks
# =============================================================================

[tasks.dist]
description = "Build distribution package"
category = "Distribution"
script_runner = "bash"
script = [
'''
./scripts/build-dist.sh "$@"
'''
]

# =============================================================================
# Agent Tasks
# =============================================================================

[tasks.agent-rootfs]
description = "Build agent rootfs"
category = "Agent"
script_runner = "bash"
script = [
'''
./scripts/build-agent-rootfs.sh
'''
]

[tasks.agent-rebuild]
description = "Rebuild agent and update rootfs"
category = "Agent"
dependencies = ["build-agent", "agent-rootfs"]
script_runner = "bash"
script = [
'''
./scripts/rebuild-agent.sh
'''
]

# =============================================================================
# Test Tasks
# =============================================================================

[tasks.test]
description = "Run all feature suites (11 groups, ~10 min)"
category = "Test"
dependencies = ["test-lib"]
script_runner = "bash"
script = [
'''
./tests/run_tests.sh
'''
]

[tasks.test-cli]
description = "Run CLI tests only"
category = "Test"
script_runner = "bash"
script = [
'''
./tests/run_tests.sh cli
'''
]

[tasks.test-pack]
description = "Run pack tests only"
category = "Test"
script_runner = "bash"
script = [
'''
./tests/run_tests.sh pack
'''
]

[tasks.test-lib]
description = "Run unit tests (no VM required)"
category = "Test"
command = "cargo"
args = ["test", "--lib"]

# =============================================================================
# Install Tasks
# =============================================================================

[tasks.install]
description = "Install locally from dist package"
category = "Install"
script_runner = "bash"
script = [
'''
./scripts/install-local.sh
'''
]

# =============================================================================
# Code Quality Tasks
# =============================================================================

[tasks.lint]
description = "Run clippy and fmt checks"
category = "Quality"
script_runner = "bash"
script = [
'''
cargo fmt --all -- --check
cargo clippy --all-targets -- -D warnings
'''
]

[tasks.fix-lints]
description = "Auto-fix linting issues"
category = "Quality"
script_runner = "bash"
script = [
'''
cargo fmt --all
cargo clippy --all-targets --fix --allow-dirty
'''
]