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

cd "$(dirname "$0")"

# LinuxCNC source basis: this guard ties generated switchkins/remap aliases and
# config cases to LinuxCNC configs/sim INI REMAP entries, remap_subs
# #<kinstype> assignments, and halcmd loadusr parsing sources. It validates
# generator/table policy only; it does not add CNC behavior, expand smoke
# parsing, or interpret G-code.
linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
linuxcnc_root=$(cd "$linuxcnc_root" && pwd)

grep -F 'LinuxCNC source basis: generated switchkins/remap tables are extracted from' \
    generate-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'src/hal/utils/halcmd_commands.cc do_loadusr_cmd()' \
    generate-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'getopt("+wWin:")' generate-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'src/hal/utils/halcmd_completion.c lists the common -W/-Wn/-w/-iw forms' \
    generate-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'LinuxCNC TOOL_TABLE source is not listed as tooldata' \
    generate-linuxcnc-switchkins-remap-table.sh >/dev/null

grep -F 'LinuxCNC source basis: switchkins/remap table validation derives M428/M429/M430' \
    check-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'validate_tool_table_source_coverage_only' \
    check-linuxcnc-switchkins-remap-table.sh >/dev/null
grep -F 'exposes TOOL_TABLE through switchkins API/web bridge' \
    check-linuxcnc-switchkins-remap-table.sh >/dev/null

grep -F 'int do_loadusr_cmd(const char *args[])' "$linuxcnc_root/src/hal/utils/halcmd_commands.cc" >/dev/null
grep -F 'getopt(argc,' "$linuxcnc_root/src/hal/utils/halcmd_commands.cc" >/dev/null
grep -F '"+wWin:"' "$linuxcnc_root/src/hal/utils/halcmd_commands.cc" >/dev/null
grep -F -- '-Wn' "$linuxcnc_root/src/hal/utils/halcmd_completion.c" >/dev/null

python3 - "$linuxcnc_root" <<'PY'
from pathlib import Path
import json
import re
import sys

linuxcnc_root = Path(sys.argv[1])
source_map = Path("docs/linuxcnc-switchkins-remap-source-map.md").read_text(encoding="utf-8")
table = Path("core/src/linuxcnc_switchkins_remap_table.inc").read_text(encoding="utf-8")
cpp_cases = Path("core/tests/linuxcnc_switchkins_remap_config_cases.inc").read_text(encoding="utf-8")
json_cases = json.loads(Path("web/public/linuxcnc_switchkins_remap_config_cases.json").read_text(encoding="utf-8"))

counts = {
    "core/src/linuxcnc_switchkins_remap_table.inc": len(re.findall(r'^\s*\{"', table, re.M)),
    "core/tests/linuxcnc_switchkins_remap_config_cases.inc": len(re.findall(r'^\s*\{"', cpp_cases, re.M)),
    "web/public/linuxcnc_switchkins_remap_config_cases.json": len(json_cases),
}
for path, count in counts.items():
    if f"| `{path}` | {count} |" not in source_map:
        raise SystemExit(f"docs/linuxcnc-switchkins-remap-source-map.md count mismatch for {path}")

remap_sources = [
    path
    for path in (linuxcnc_root / "configs/sim").rglob("*remap.ngc")
    if path.name in {"428remap.ngc", "429remap.ngc", "430remap.ngc"}
]
remap_ini_re = re.compile(r"REMAP\s*=\s*M(428|429|430)(?:\D|$)", re.I)
remap_inis = [
    path
    for path in (linuxcnc_root / "configs/sim").rglob("*.ini")
    if remap_ini_re.search(path.read_text(encoding="utf-8", errors="ignore"))
]
if f"| LinuxCNC M428/M429/M430 remap sources | {len(remap_sources)} |" not in source_map:
    raise SystemExit("docs/linuxcnc-switchkins-remap-source-map.md remap source count mismatch")
if f"| LinuxCNC switchkins REMAP INI sources | {len(remap_inis)} |" not in source_map:
    raise SystemExit("docs/linuxcnc-switchkins-remap-source-map.md REMAP INI source count mismatch")

required_phrases = [
    "must not add CNC behavior",
    "must not expand the temporary smoke parser",
    "`#<kinstype>` assignments",
    "[EMCIO] TOOL_TABLE` entries are source coverage only",
    "must not become generated switchkins aliases",
    "./check-linuxcnc-switchkins-remap-source-map.sh",
    "./check-linuxcnc-switchkins-remap-table.sh linuxcnc-kinematics-source-files.txt",
    "does not interpret G-code",
]
for phrase in required_phrases:
    if phrase not in source_map:
        raise SystemExit(
            f"docs/linuxcnc-switchkins-remap-source-map.md is missing boundary phrase: {phrase}"
        )

for entry in [
    "test-native.sh",
    "test-linuxcnc-source-link.sh",
    "build-wasm.sh",
]:
    text = Path(entry).read_text(encoding="utf-8")
    if "./check-linuxcnc-switchkins-remap-source-map.sh" not in text:
        raise SystemExit(f"{entry} must run ./check-linuxcnc-switchkins-remap-source-map.sh")

case_fields = {case["field"] for case in json_cases}
source_only_field_re = re.compile(r"asset|metadata|tool|tooldata|tool_table|TOOL_TABLE", re.I)
bad_fields = [field for field in case_fields if source_only_field_re.search(field)]
if bad_fields:
    raise SystemExit(f"generated switchkins config cases expose source-only fields: {bad_fields}")
api_surface_re = re.compile(r'\b(?:asset|metadata|toolData|tooldata|toolTable|tooltable|tool_table|TOOL_TABLE)\b')
for api_path in ["web/src/wasm-core.js", "web/src/index.ts", "core/include/cnc_sim_api.h"]:
    if api_surface_re.search(Path(api_path).read_text(encoding="utf-8")):
        raise SystemExit(f"{api_path} exposes source-only switchkins inputs through API surface")
PY