import logging

from majordome.github_service import GithubConnector
from majordome.errors import NoAssetMatchingMnemonic

logger = logging.getLogger(__name__)


class SoftwareRepo:
    def __init__(
        self,
        url: str,
        github_connector: GithubConnector,
        tag_name_mnemonic: str = "prefix-{{VERSION}}-suffix",
        asset_mnemonic: str = "prefix-{{VERSION}}-suffix",
    ):
        self.url = url
        self.github_connector = github_connector
        self.owner, self.repo = url.removeprefix("https://github.com/").split("/")
        self.tag_prefix, self.tag_suffix = tag_name_mnemonic.split("{{VERSION}}")
        self.asset_mnemonic = asset_mnemonic

    def get_latest_version(self) -> str:
        logger.info("Getting latest version of %s", self.url)
        release = self.github_connector.get_latest_release(self.owner, self.repo)

        tag_name = release.get("tag_name")
        version = tag_name.removeprefix(self.tag_prefix).removesuffix(self.tag_suffix)
        logger.info("Latest version for %s is %s", self.url, version)
        return version

    def get_latest_asset_id(self) -> int:
        logger.info("Getting asset version of %s", self.url)
        latest_release = self.github_connector.get_latest_release(self.owner, self.repo)
        assets = latest_release.get("assets", [])

        version = self.get_latest_version()
        asset_name = self.asset_mnemonic.replace("{{VERSION}}", version)

        for asset in assets:
            if asset.get("name") == asset_name:
                return asset.get("id")

        raise NoAssetMatchingMnemonic(
            f"No asset found matching {self.asset_mnemonic} on {self.url}"
        )

    def download_latest_asset(self) -> bytes:
        logger.info("Downloading latest asset for %s", self.url)
        id_ = self.get_latest_asset_id()
        return self.github_connector.download_asset(self.owner, self.repo, id_)