from typing import Dict, List

from fastapi import APIRouter, Depends
from pydantic import BaseModel, ConfigDict
from sqlalchemy.orm import Session

from models.distribution import Distribution
from routes.dependencies import get_db

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


class DistributionCreate(BaseModel):
    name: str
    distribution_type: str
    parameters: Dict[str, float | int]


class DistributionRead(DistributionCreate):
    id: int
    model_config = ConfigDict(from_attributes=True)


@router.post("/", response_model=DistributionRead)
async def create_distribution(
    dist: DistributionCreate, db: Session = Depends(get_db)
):
    db_dist = Distribution(**dist.model_dump())
    db.add(db_dist)
    db.commit()
    db.refresh(db_dist)
    return db_dist


@router.get("/", response_model=List[DistributionRead])
async def list_distributions(db: Session = Depends(get_db)):
    dists = db.query(Distribution).all()
    return dists