import re
import sh

from yird.settings import Settings


class GitService:
    git = sh.git.bake(_cwd=Settings().YIRD_PATH)

    @classmethod
    def get_status(cls):
        files = []
        initialized = False
        try:
            status = cls.git.status("-s", "-uall").strip()

            for line in status.split("\n"):
                if line[0:9] == "\x1b[31mM\x1b[m":
                    files.append({
                        "filename": line[10:],
                        "status": "modified"
                    })
                elif line[0:9] == "\x1b[32mM\x1b[m":
                    files.append({
                        "filename": line[10:],
                        "status": "added and modified"
                    })
                elif line[0:10] == "\x1b[31m??\x1b[m":
                    files.append({
                        "filename": line[11:],
                        "status": "untracked"
                    })

            initialized = True
        except sh.ErrorReturnCode_128 as e:
            if re.search('not a git repository', str(e)):
                initialized = False
        return {
            "git": {
                "initialized": initialized,
                "file_statuses": files
            }
        }

    @classmethod
    def init(cls):
        cls.git.init()