import can
from scripts.base.base import Base


class SoftwareUpdateScript(Base):

    def __init__(self):

        super().__init__()

    def _verify_signature(self):
        pass

    def _verify_key(self):
        pass

    def _get_target_stack(self):
        pass


    def update_software_packages(self, packages_dir: str, stack_to_update: str = None):
        # 1. Verify signature
        # 2. Verify key
        # 3. Read XML file for to find the packages to update
        # 4. Decrypt the content
        # 5. Send the data to bootloader
        # 6. Wait for the bootloader to ack/nack or timeout after 3000 ms
        # 7. Send the entire file
        # 8. Show progress
        pass