from abc import ABC, abstractmethod

from git_flow import SUPPORTED_REMOTE_APIS, GitFlowError
from git_flow.git import Git


class RemoteAPI(ABC):
    def __init__(self, repository: str, token: str) -> None:
        self.repository = repository
        self.token = token

    @staticmethod
    def parse(remote: str):
        url = Git("remote", "get-url", remote).firstline()

        if url.startswith("git@"):
            at_pos = url.index("@")
            colon_pos = url.index(":")
            schema = "ssh://"
            host = url[at_pos+1:colon_pos]
            repository = url[colon_pos+1:]
        elif url.startswith("http://") or url.startswith("https://"):
            start_pos = url.index("://") + 3
            uri_start = url.index("/", start_pos)
            schema = url[:start_pos]
            host = url[start_pos:uri_start]
            repository = url[uri_start+1:]
        else:
            raise GitFlowError(f"La URL del remoto {remote} es inválida: {url}")

        repository = repository.removesuffix(".git")
        return [schema, host, repository]

    @abstractmethod
    def create_pull_request(
        self,
        source: str,
        destination: str,
        title: str | None = None,
        description: str | None = None,
        close_source_branch: bool = True
    ) -> str:
        pass

    @abstractmethod
    def create_tag(self, tag: str, commit: str) -> str:
        pass

    @abstractmethod
    def get_endpoint(self, resource: str) -> str:
        pass

    def get_headers(self):
        return {
            "Accept": "application/json",
            "Content-Type": "application/json",
            "Authorization": "Bearer " + self.token,
        }