import argparse
import os
import shutil
import subprocess

"""
Dieses Programm:
- Holt sich alle notwendigen Einzelteil-Informationen aus SIVAS in Tabellenform 
"""


def get_sivas_teilestamm(sivas_id, out_dir):
    sivas_id = sivas_id.strip()
    sivas_teilestamm_exe = os.environ.get('SIVAS_TEILESTAMM')

    if os.path.isfile(sivas_teilestamm_exe):
        
        if os.path.isdir(out_dir):
            print(f"Attempting to generate a json-file of all parts to be migrated in relation with '{sivas_id}'")
            source_path = os.path.join(os.path.expandvars("%USERPROFILE%"), "AppData", "Local", "Temp", "from_siv.csv")
            to_path = os.path.join(out_dir, sivas_id + ".csv")
            if os.path.isfile(os.path.join(source_path)):
                print("file already there. done")
                exit

            subprocess.run(f"{sivas_teilestamm_exe} userid=sivas password=forte database=sivas program=ExcelUeb LFDNR=500 EINSTIEG=SQL PARAMETER1={sivas_id}")
            if os.path.isfile(os.path.join(source_path)):
                shutil.move(source_path, to_path)
                print("done")
            else:
                print(f"Failure - Couldn't generate {sivas_id}.json. Check for any spelling/typing errors. Otherwise given number is a part without a BOM.")
                exit()
        else:
            print(f"'Output directory for .json-file {out_dir}' doesn't exist.")
    else:
        print(f"Can't execute SIVAS-database query. Check if you have established a VPN connection to the company's network and check the path of %SIVAS_DATABASE_QUERY% in cremig_setenv.bat")


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='fetches data from sivas or ruledesigner fusion', prog='update_database')
    parser.add_argument('-s', '--sivas', action='store', help='fetch data of this id from sivas fo local database folder', metavar='id')

    args = parser.parse_args()

    out_dir = os.environ.get('CREMIG_DATA')

    if args.sivas:
        get_sivas_teilestamm(args.sivas, out_dir)

    else:
        parser.print_help()