import pandas as pd

"""
Filter for the single project matching
"""

def contains_code(crs_codes, code_list):
    codes = str(crs_codes).split(';')
    return any(code in code_list for code in codes)

def filter_single(df, country_code_list, orga_code_list, region_list):
    # FILTER COUNTRY
    if country_code_list:
        country_filtered_df = pd.DataFrame()
        for c in country_code_list:
            c_df = df[df["country"].str.contains(c, na=False)]
            country_filtered_df = pd.concat([country_filtered_df, c_df], ignore_index=False)
        df = country_filtered_df

    # FILTER REGION
    if region_list:
        df = df[df["region"].isin(region_list)]

    # FILTER ORGANIZATION
    if orga_code_list:
        df = df[df['orga_abbreviation'].isin(orga_code_list)]
    
    return df