import os
import argparse

input_file = "input_file"


def parse_args(argv=None):
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--dev_token",
        type=str,
        default=os.environ["MAPILLARY_DEV_TOKEN"],
        help="Your mapillary access token",
    )
    parser.add_argument(
        "--username",
        type=str,
        required=True,
        help="Username to get the sequences id of",
    )

    global args
    args = parser.parse_args(argv)


if __name__ == "__main__":
    print(
        "Construction du script bash de récupération des images de chaque séquences pour Mapillary_download (https://github.com/Stefal/mapillary_download.git)"
    )

    parse_args()

    username = args.username
    input_file = f"sequences_{username}.txt"

    if not os.path.exists(input_file) or not os.path.isfile(input_file):
        print(
            f"Erreur : Le fichier '{input_file}' n'a pas été trouvé. Arrêt du script."
        )
        exit(1)
    else:
        print(f"Fichier '{input_file}' trouvé.")

    output_file = f"script_bash_get_sequences_for_user_{username}.sh"

    access_token = "$MAPILLARY_DEV_TOKEN"  # or, if you want to use the password in clear text: "'"+args.dev_token+"' "

    with open(output_file, "w") as output:
        with open(input_file, "r") as input_handle:
            content = input_handle.read()
            sequences = eval(content)
            for seq in sequences:
                full_cmd = f"python mapillary_download.py {access_token} --sequence_ids={seq}\n"
                output.write(full_cmd)

    print(output_file)

    print(f"\n Script Bash généré avec succès.")
    print(
        f"Lancez le pour récupérer les photos de l'utilisateur {username}: \n bash {output_file}"
    )