#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")"

linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
manifest=${1:-linuxcnc-rs274-wasm-source-files.txt}

if [[ ! -f "$manifest" ]]; then
    echo "missing manifest: $manifest" >&2
    exit 1
fi

if [[ ! -d "$linuxcnc_root" ]]; then
    echo "missing LinuxCNC root: $linuxcnc_root" >&2
    exit 1
fi
manifest=$(cd "$(dirname "$manifest")" && pwd)/$(basename "$manifest")
linuxcnc_root=$(cd "$linuxcnc_root" && pwd)
default_manifest="$PWD/linuxcnc-rs274-wasm-source-files.txt"

# This script writes fixed build and public artifact paths, so serialize it.
exec 9>"${TMPDIR:-/tmp}/cnc_sim_build_wasm.lock"
flock 9

manifest_core_count=0
manifest_blocked_count=0
manifest_core_sources=$(mktemp "${TMPDIR:-/tmp}/cnc_sim_wasm_manifest_core.XXXXXX.txt")
manifest_blocked_sources=$(mktemp "${TMPDIR:-/tmp}/cnc_sim_wasm_manifest_blocked.XXXXXX.txt")
trap 'rm -f "$manifest_core_sources" "$manifest_blocked_sources"' EXIT
LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-wasm-manifest-sources.sh "$manifest" core > "$manifest_core_sources"
LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-wasm-manifest-sources.sh "$manifest" blocked > "$manifest_blocked_sources"
manifest_core_count=$(wc -l < "$manifest_core_sources")
manifest_blocked_count=$(wc -l < "$manifest_blocked_sources")

if [[ "$manifest_core_count" -eq 0 || "$manifest_blocked_count" -eq 0 ]]; then
    echo "unexpected wasm manifest partition: core=$manifest_core_count blocked=$manifest_blocked_count" >&2
    exit 1
fi
if [[ "$manifest" == "$default_manifest" ]] && [[ "$manifest_core_count" -ne 25 || "$manifest_blocked_count" -ne 1 ]]; then
    echo "unexpected wasm manifest partition: core=$manifest_core_count blocked=$manifest_blocked_count" >&2
    exit 1
fi

echo "LinuxCNC wasm blocker scan"
./test-linuxcnc-wasm-blockers.sh "$manifest"

echo "LinuxCNC wasm-safe source syntax probe"
./test-linuxcnc-wasm-source-syntax.sh "$manifest"

echo "LinuxCNC wasm-safe source object probe"
./test-linuxcnc-wasm-source-objects.sh "$manifest"

echo "LinuxCNC wasm-safe CMake probe target"
./test-linuxcnc-wasm-cmake-safe-probe.sh "$manifest"

echo "LinuxCNC wasm tooldata shim link probe"
./test-linuxcnc-wasm-tooldata-link.sh

echo "LinuxCNC wasm tooldata_common link probe"
./test-linuxcnc-wasm-tooldata-common-link.sh

echo "LinuxCNC wasm tooldata_mmap symbol probe"
./test-linuxcnc-wasm-tooldata-mmap-symbols.sh

echo "LinuxCNC wasm tooldata runtime symbol probe"
./test-linuxcnc-wasm-tooldata-runtime-symbols.sh

echo "LinuxCNC wasm interp_base link probe"
./test-linuxcnc-wasm-interp-base-link.sh

echo "LinuxCNC wasm interp_find link probe"
./test-linuxcnc-wasm-interp-find-link.sh

echo "LinuxCNC wasm python_plugin link probe"
./test-linuxcnc-wasm-python-plugin-link.sh

echo "LinuxCNC wasm rs274ngc_pre object probe"
./test-linuxcnc-wasm-rs274ngc-pre-object.sh

echo "LinuxCNC wasm rs274ngc_pre link blocker scan"
./test-linuxcnc-wasm-rs274ngc-pre-link-blockers.sh "$manifest"

echo "LinuxCNC wasm rs274ngc_pre link probe"
./test-linuxcnc-wasm-rs274ngc-pre-link.sh "$manifest"

if ! command -v emcmake >/dev/null 2>&1; then
    echo "Emscripten is required. Install/activate emsdk so emcmake and emcc are in PATH." >&2
    exit 1
fi

emcmake cmake -S core -B build/wasm \
    -DCMAKE_BUILD_TYPE=Release \
    -DCNC_SIM_LINUXCNC_ROOT="$linuxcnc_root" \
    -DCNC_SIM_LINUXCNC_WASM_SOURCE_MANIFEST="$manifest" \
    -DCNC_SIM_ENABLE_LINUXCNC_WASM_SAFE_PROBE=ON
cmake --build build/wasm

mkdir -p web/public
cp build/wasm/cnc_sim.js web/public/
cp build/wasm/cnc_sim.wasm web/public/