"""Comments router."""
from typing import List
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session

from app.core.config import get_db
from app.models import models
from app.schemas import schemas

router = APIRouter(tags=["Comments"])


@router.post("/comments", response_model=schemas.CommentResponse, status_code=status.HTTP_201_CREATED)
def create_comment(comment: schemas.CommentCreate, db: Session = Depends(get_db)):
    db_comment = models.Comment(**comment.model_dump())
    db.add(db_comment)
    db.commit()
    db.refresh(db_comment)
    return db_comment


@router.get("/issues/{issue_id}/comments", response_model=List[schemas.CommentResponse])
def list_comments(issue_id: int, db: Session = Depends(get_db)):
    return db.query(models.Comment).filter(models.Comment.issue_id == issue_id).all()


@router.patch("/comments/{comment_id}", response_model=schemas.CommentResponse)
def update_comment(comment_id: int, comment_update: schemas.CommentUpdate, db: Session = Depends(get_db)):
    comment = db.query(models.Comment).filter(models.Comment.id == comment_id).first()
    if not comment:
        raise HTTPException(status_code=404, detail="Comment not found")
    for field, value in comment_update.model_dump(exclude_unset=True).items():
        setattr(comment, field, value)
    db.commit()
    db.refresh(comment)
    return comment


@router.delete("/comments/{comment_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_comment(comment_id: int, db: Session = Depends(get_db)):
    comment = db.query(models.Comment).filter(models.Comment.id == comment_id).first()
    if not comment:
        raise HTTPException(status_code=404, detail="Comment not found")
    db.delete(comment)
    db.commit()
    return None