"""Mailbox (folder) listing (SPEC §9.3 folder views, archive action)."""

from __future__ import annotations

import uuid
from typing import Annotated

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

from app.db import get_session
from app.identity.deps import CurrentUser
from app.models import Mailbox

router = APIRouter(prefix="/mailboxes", tags=["mail"])

DbSession = Annotated[AsyncSession, Depends(get_session)]


class MailboxOut(BaseModel):
    id: uuid.UUID
    account_id: uuid.UUID
    path: str
    special_use: str | None


@router.get("", response_model=list[MailboxOut])
async def list_mailboxes(user: CurrentUser, db: DbSession) -> list[MailboxOut]:
    rows = await db.scalars(
        select(Mailbox).where(Mailbox.user_id == user.id).order_by(Mailbox.account_id, Mailbox.path)
    )
    return [
        MailboxOut(id=m.id, account_id=m.account_id, path=m.path, special_use=m.special_use)
        for m in rows
    ]