from db_setup import create_connection
from pandas import DataFrame, read_csv, to_sql


def create_dataframes() -> DataFrame:
    files = {
        "glacier": "../data/glacier.csv",
        "annual__data": "../data/annual_data.csv",
        "annual__change": "../data/annual_change.csv",
        "users": "../data/users.csv",
    }
    df_list = {}
    for csv in files.keys():
        df_list[csv] = read_csv(files[csv], index=False)
    return df_list


def insert_data(df_list, conn):
    for key, value in df_list.items():
        value.to_sql(key, con=conn, if_exists="replace", index=False)


def main():
    conn = create_connection()
    df_list = create_dataframes()
    insert_data(df_list, conn)


if __name__ == "__main__":
    main()