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

cd "$(dirname "$0")"

# LinuxCNC source basis: fixed-source probes resolve explicit LinuxCNC-root
# relative paths from src/emc/rs274ngc, src/emc/tooldata, and related source
# directories before compiling or linking source-backed bridge checks.
linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
missing_source_message="missing LinuxCNC source"
preflight_cache_dir=${CNC_SIM_PREFLIGHT_CACHE_DIR:-build/linuxcnc-helper-preflight-cache}

LINUXCNC_ROOT="$linuxcnc_root" ./check-linuxcnc-inputs-cached.sh --cache-dir "$preflight_cache_dir" --root-only

while [[ "$#" -gt 0 ]]; do
    case "$1" in
        --missing-message)
            if [[ "$#" -lt 2 ]]; then
                echo "missing --missing-message value" >&2
                exit 1
            fi
            missing_source_message=$2
            shift 2
            ;;
        --)
            shift
            break
            ;;
        -*)
            echo "unknown source file option: $1" >&2
            exit 1
            ;;
        *)
            break
            ;;
    esac
done

if [[ "$#" -eq 0 ]]; then
    echo "usage: $0 [--missing-message <message>] <linuxcnc-relative-source>..." >&2
    exit 1
fi

for source in "$@"; do
    if [[ "$source" = /* || "$source" == .. || "$source" == ../* || "$source" == */.. || "$source" == */../* ]]; then
        echo "LinuxCNC source path must be root-relative: $source" >&2
        exit 1
    fi
    full_source="$linuxcnc_root/$source"
    if [[ ! -f "$full_source" ]]; then
        echo "$missing_source_message: $source" >&2
        exit 1
    fi
    printf '%s\n' "$full_source"
done