"""Profile routes for user contact details."""

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from auth import require_permission
from database import get_db
from models import Permission, User
from schemas import ProfileResponse, ProfileUpdate
from validation import validate_profile_fields

router = APIRouter(prefix="/api/profile", tags=["profile"])


async def get_godfather_email(db: AsyncSession, godfather_id: int | None) -> str | None:
    """Get the email of a godfather user by ID."""
    if not godfather_id:
        return None
    result = await db.execute(select(User.email).where(User.id == godfather_id))
    return result.scalar_one_or_none()


@router.get("", response_model=ProfileResponse)
async def get_profile(
    current_user: User = Depends(require_permission(Permission.MANAGE_OWN_PROFILE)),
    db: AsyncSession = Depends(get_db),
) -> ProfileResponse:
    """Get the current user's profile (contact details and godfather)."""
    godfather_email = await get_godfather_email(db, current_user.godfather_id)

    return ProfileResponse(
        contact_email=current_user.contact_email,
        telegram=current_user.telegram,
        signal=current_user.signal,
        nostr_npub=current_user.nostr_npub,
        godfather_email=godfather_email,
    )


@router.put("", response_model=ProfileResponse)
async def update_profile(
    data: ProfileUpdate,
    db: AsyncSession = Depends(get_db),
    current_user: User = Depends(require_permission(Permission.MANAGE_OWN_PROFILE)),
) -> ProfileResponse:
    """Update the current user's profile (contact details)."""
    # Validate all fields
    errors = validate_profile_fields(
        contact_email=data.contact_email,
        telegram=data.telegram,
        signal=data.signal,
        nostr_npub=data.nostr_npub,
    )

    if errors:
        raise HTTPException(
            status_code=422,
            detail={"field_errors": errors},
        )

    # Update fields
    current_user.contact_email = data.contact_email
    current_user.telegram = data.telegram
    current_user.signal = data.signal
    current_user.nostr_npub = data.nostr_npub

    await db.commit()
    await db.refresh(current_user)

    godfather_email = await get_godfather_email(db, current_user.godfather_id)

    return ProfileResponse(
        contact_email=current_user.contact_email,
        telegram=current_user.telegram,
        signal=current_user.signal,
        nostr_npub=current_user.nostr_npub,
        godfather_email=godfather_email,
    )