#!/usr/bin/env python3
import glob
import re

def scan_mappers():
	mappers = []

	# Find all mapper_*.c files
	for filename in sorted(glob.glob("mapper_*.c")):
		# Extract mapper ID from filename
		match = re.match(r'mapper_(\d+)_([0-9a-fA-F])\.c', filename)
		if match:
			mapper_id = int(match.group(1))
			submapper_id = int(match.group(2), 16)
			full_id = (mapper_id << 4) | submapper_id
		else:
			# Legacy format: mapper_xxx.c without submapper
			match = re.match(r'mapper_(\d+)\.c', filename)
			if match:
				mapper_id = int(match.group(1))
				full_id = (mapper_id << 4) | 0
			else:
				continue

		init_fn = f"mapper_{mapper_id:03d}_{submapper_id:x}_init" if 'submapper_id' in locals() else f"mapper_{mapper_id:03d}_init"
		mappers.append((full_id, init_fn))

	return mappers

def generate_table(mappers):
	print("static struct mapper_entry mapper_table[] = {")
	for full_id, init_fn in mappers:
		print(f"\t{{ 0x{full_id:04x}, {init_fn} }},")
	print("};")

if __name__ == "__main__":
	mappers = scan_mappers()
	generate_table(mappers)