from typing import Any

from .base import OAuthProvider


class GitHubOAuthProvider(OAuthProvider):
    """GitHub OAuth provider implementation."""

    @property
    def name(self) -> str:
        return "github"

    @property
    def display_name(self) -> str:
        return "GitHub"

    def get_client_config(self) -> dict[str, Any]:
        """Return GitHub OAuth client configuration."""
        return {
            "access_token_url": "https://github.com/login/oauth/access_token",
            "authorize_url": "https://github.com/login/oauth/authorize",
            "api_base_url": "https://api.github.com/",
            "client_kwargs": {"scope": "user:email"},
        }

    def get_user_info(self, token: dict[str, Any]) -> dict[str, Any]:
        """Extract user information from GitHub OAuth token response."""
        client = self.get_client()

        # Get user profile
        user_resp = client.get("user", token=token)
        user_data = user_resp.json()

        # Get user email (may be private)
        email = user_data.get("email")
        if not email:
            # If email is private, get from emails endpoint
            emails_resp = client.get("user/emails", token=token)
            emails = emails_resp.json()
            # Find primary email
            for email_obj in emails:
                if email_obj.get("primary", False):
                    email = email_obj.get("email")
                    break

        return {
            "id": str(user_data.get("id")),
            "email": email,
            "name": user_data.get("name") or user_data.get("login"),
            "picture": user_data.get("avatar_url"),
        }