import os
import csv

FMEA_DATA_DIR = "/home/aimo/dev/be-ircfa/src/root_cause/fmea_data"

def check_tsv():
    files = [f for f in os.listdir(FMEA_DATA_DIR) if f.endswith(".tsv")]
    for filename in files:
        file_path = os.path.join(FMEA_DATA_DIR, filename)
        with open(file_path, "r", encoding="utf-8", errors="replace") as f:
            reader = csv.reader(f, delimiter='\t')
            try:
                headers = next(reader)
                header_count = len(headers)
                for i, row in enumerate(reader, start=2):
                    if len(row) != header_count:
                        print(f"{filename}: Row {i} has {len(row)} columns, expected {header_count}")
            except StopIteration:
                pass

if __name__ == "__main__":
    check_tsv()