import datetime
import pathlib
import re
import subprocess
import tomllib


class SourceConfig:
    site_url = "https://interdiode.fr/"
    documentation_url = "https://interdiode.fr/static/latest/index.html"
    cosign_key_url = "https://interdiode.fr/static/cosign.interdiode.fr.pub"
    docker_user = "nonroot"
    docker_group = "nonroot"
    # noinspection SpellCheckingInspection
    docker_env = """  PATH=/usr/local/bin/:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/interdiode/bin \
  PIP_DISABLE_PIP_VERSION_CHECK=on \
  PIP_NO_CACHE_DIR=on \
  PYTHONUSERBASE=/usr/local/interdiode \
  PYTHONFAULTHANDLER=1 \
  PYTHONHASHSEED=random \
  PYTHONUNBUFFERED=1
"""

    # noinspection SpellCheckingInspection
    def __init__(self, docker_version: str = "debian13-dev"):
        self.source_dir = pathlib.Path(__file__).parent.parent
        with open(self.source_dir / "pyproject.toml", "rb") as fd:
            self.raw_metadata = tomllib.load(fd)
        self.docker_version = docker_version

    def get_python_versions(self) -> list[str]:
        """Return the list of Python versions supported by the project."""
        python_versions = []
        for classifier in self.raw_metadata["project"]["classifiers"]:
            if matcher := re.match(
                r"Programming Language :: Python :: (\d\.\d+)", classifier
            ):
                python_versions.append(matcher.group(1))
        return python_versions

    def get_project_version(self) -> str:
        """Get the version of InterDiode from the pyproject.toml file."""
        return self.raw_metadata["project"]["version"]

    def get_git_project_revision(self) -> str:
        """Get the git revision of the project."""
        out = subprocess.check_output(["git", "rev-parse", "HEAD"], cwd=self.source_dir)  # nosec B607
        return out.decode().strip()

    def get_parameters(self, python_version: str | None = None) -> dict[str, str]:
        python_version = python_version or self.get_python_versions()[-1]
        return {
            "build_date": datetime.datetime.now(tz=datetime.UTC).isoformat(),
            "build_year": str(datetime.datetime.now(tz=datetime.UTC).year),
            "docker_env": self.docker_env,
            "docker_user": self.docker_user,
            "docker_group": self.docker_group,
            "docker_version": self.docker_version,
            "documentation_url": self.documentation_url,
            "interdiode_url": self.site_url,
            "id_configurator_version": self.get_project_version(),
            "python_version": python_version,
            "vcs_revision": self.get_git_project_revision(),
        }

    def get_project_author_and_emails(self) -> list[dict[str, str]]:
        """Get the authors of InterDiode from the pyproject.toml file."""
        return self.raw_metadata["project"]["authors"]

    def get_project_authors(self) -> list[str]:
        """Get the authors of InterDiode from the pyproject.toml file."""
        return [author["name"] for author in self.raw_metadata["project"]["authors"]]