import os
import subprocess

from .pkgbuild import PKGBUILD


class Package(object):
    def __init__(self, config):
        self.config = config

    @property
    def name(self):
        return self.config["name"]

    @property
    def url(self):
        return self.config.get("url") or "https://aur.archlinux.org/{}.git".format(
                self.name)

    @property
    def path(self):
        return os.path.join(self.config.config.cachedir, self.name)

    @property
    def PKGBUILD(self):
        if not os.path.exists(self.path):
            subprocess.check_call(["git", "clone", self.url],
                    cwd=self.config.config.cachedir)

        if not hasattr(self, '_PKGBUILD'):
            path = os.path.join(self.path, 'PKGBUILD')
            self._PKGBUILD = PKGBUILD(path)

        return self._PKGBUILD


class Repo(object):
    def __init__(self, config):
        self.config = config
        self.packages = []
        for package in self.config["packages"]:
            if isinstance(package, str):
                self.packages.append(Package(dict(name=package)))

            else:
                self.packages.append(Package(package))

    @property
    def name(self):
        return self.config.name

    @property
    def id(self):
        return self.config.id