# src/pipeline/deliverability_check.py
import pandas as pd
import os
from .config_loader import config

def run_deliverability_check():
    input_file = os.path.join(config["output_dir"], "unified_dataset_cleaned.csv")
    df = pd.read_csv(input_file)
    
    # Basic simulation of SPF/DKIM validation
    df["deliverable"] = df["email"].str.contains("@")
    
    output_file = os.path.join(config["output_dir"], "unified_dataset_deliverable.csv")
    df.to_csv(output_file, index=False)
    return df