from typing import List
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from ....database.database import get_db
from ....auth.jwt import get_current_user
from ....models.user import User
from ....schemas.post import Post, PostCreate, PostUpdate
from ....services.post_service import PostService

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


@router.get("/", response_model=List[Post])
def get_posts(
    skip: int = 0,
    limit: int = 100,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    Получить список постов пользователя
    """
    post_service = PostService(db)
    posts = post_service.get_posts(owner_id=current_user.id, skip=skip, limit=limit)
    return posts


@router.post("/", response_model=Post)
def create_post(
    post: PostCreate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    Создать новый пост
    """
    post_service = PostService(db)
    db_post = post_service.create_post(post_data=post, owner_id=current_user.id)
    return db_post


@router.get("/{post_id}", response_model=Post)
def get_post(
    post_id: int,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    Получить конкретный пост
    """
    post_service = PostService(db)
    db_post = post_service.get_post(post_id=post_id, owner_id=current_user.id)
    if not db_post:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Post not found"
        )
    return db_post


@router.put("/{post_id}", response_model=Post)
def update_post(
    post_id: int,
    post_update: PostUpdate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    Обновить пост
    """
    post_service = PostService(db)
    db_post = post_service.update_post(
        post_id=post_id,
        post_data=post_update,
        owner_id=current_user.id
    )
    if not db_post:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Post not found"
        )
    return db_post


@router.delete("/{post_id}")
def delete_post(
    post_id: int,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db)
):
    """
    Удалить пост
    """
    post_service = PostService(db)
    success = post_service.delete_post(post_id=post_id, owner_id=current_user.id)
    if not success:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="Post not found"
        )
    return {"message": "Post deleted successfully"}