import httpx
from pathlib import Path
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from .git_manager import clone_repo
from .changelog_gen import generate_changelog

router = APIRouter()


class SubscribeRequest(BaseModel):
    """Schema für Subscription Request"""
    repo_url: str
    target_name: str = "imported-repo"
    token_provided: str | None = None


@router.post("/subscribe")
async def subscribe_repo(req: SubscribeRequest):
    """Abonniert und klont ein Repository."""
    from .main import get_token, ACCESS_TOKEN

    # Nutze übergebener Token ODER lokale Umgebungsvariable ODER Standard-Token aus main.py
    effective_token = req.token_provided or ACCESS_TOKEN or ""

    if not effective_token:
        raise HTTPException(status_code=401, detail="Kein TOKEN vorhanden! Bitte setze ACCESS_TOKEN Umgebungsvariable.")

    target_dir = Path("/projects") / req.target_name

    result = clone_repo(req.repo_url, target_dir, token=effective_token)

    if not result["success"]:
        return {"error": result.get("error"), "success": False}

    generate_changelog(target_dir)

    return {
        "message": f"✅ {req.target_name} geklont!", 
        "path": str(target_dir), 
        "success": True,
        "token_used": bool(effective_token and not req.token_provided)  # Zeigt ob Token vom System oder User kommt
    }