from fastapi import APIRouter, Request, Depends
from fastapi.responses import RedirectResponse
from fastapi.templating import Jinja2Templates
from sqlalchemy.orm import Session

from web.auth import get_current_user
from web.database import get_db
from web.models import User
from web.schemas import validate_profile

router = APIRouter()
templates = Jinja2Templates(directory="web/templates")


@router.get("/profile")
def profile_view(request: Request, user: User | None = Depends(get_current_user)):
    if not user:
        return RedirectResponse("/login", 303)
    return templates.TemplateResponse("profile.html", {"request": request, "user": user})


@router.post("/profile")
async def profile_update(
    request: Request,
    db: Session = Depends(get_db),
    user: User | None = Depends(get_current_user),
):
    if not user:
        return RedirectResponse("/login", 303)

    form = await request.form()
    data = dict(form)

    errors = validate_profile(data)

    if not errors:
        existing = db.query(User).filter(
            User.phone == data["phone"].strip(), User.id != user.id
        ).first()
        if existing:
            errors.append("Пользователь с таким телефоном уже существует")

    if errors:
        return templates.TemplateResponse("profile.html", {
            "request": request, "user": user, "errors": errors, "form": data,
        })

    user.first_name = data["first_name"].strip()
    user.last_name = data["last_name"].strip()
    user.phone = data["phone"].strip()
    db.commit()

    return templates.TemplateResponse("profile.html", {
        "request": request, "user": user, "success": "Профиль обновлен",
    })