#!/usr/bin/env python3

import os
import sys
import json
import subprocess



if len(sys.argv) != 2 or sys.argv[1].startswith("-"):
	print(f"Usage: {sys.argv[0]} <path to mapcomplete repo>", file=sys.stderr)
	sys.exit(1)

os.chdir(sys.argv[1])

if subprocess.run(["rg", "--version"], check=False, stdout=subprocess.DEVNULL).returncode != 0:
	# Regular grep doesn't suffice, we rely on ripgrep's functionality to honour .gitignore
	print("rg (ripgrep) is not found in PATH or not functional", file=sys.stderr)
	sys.exit(1)


with open("langs/en.json", "r", encoding="utf-8") as fh:
	translations = json.load(fh)


def walk(obj, prefix):
	for k, v in obj.items():
		if isinstance(v, str):
			yield (f"{prefix}{k}", k)
		else:
			yield from walk(v, f"{prefix}{k}.")


for fqkey, key in walk(translations, ""):
	print(f"  Checking {key}", file=sys.stderr)
	p = subprocess.run(
		[
			"rg",
			"--no-config",
			"--iglob=!langs",
			"--fixed-strings", "--max-count=1",
			"--", key
		],
		check=False, stdout=subprocess.DEVNULL
	)

	if p.returncode == 0:
		# String is used
		pass

	elif p.returncode == 1:
		# String is not used
		print(fqkey)

	else:
		# grep encountered an error
		print(f"Error while checking for {key}", file=sys.stderr)