from __future__ import annotations

from uuid import UUID

from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy.orm import Session

from app.db.session import get_db
from app.schemas.project import ProjectCreate, ProjectRead, ProjectUpdate
from app.services.project_service import ProjectService
from app.utils.response import envelope

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


@router.get("", response_model=dict)
def list_projects(
    limit: int = Query(default=50, ge=1, le=200),
    offset: int = Query(default=0, ge=0),
    name: str | None = Query(default=None, min_length=1, max_length=255),
    db: Session = Depends(get_db),
):
    projects, total = ProjectService.list_projects(db, limit=limit, offset=offset, name=name)
    return envelope({"items": [ProjectRead.model_validate(item).model_dump() for item in projects], "total": total, "limit": limit, "offset": offset})


@router.post("", status_code=status.HTTP_201_CREATED, response_model=dict)
def create_project(payload: ProjectCreate, db: Session = Depends(get_db)):
    project = ProjectService.create_project(db, payload)
    return envelope(ProjectRead.model_validate(project).model_dump())


@router.get("/{project_id}", response_model=dict)
def get_project(project_id: UUID, db: Session = Depends(get_db)):
    project = ProjectService.get_project(db, project_id)
    if not project:
        raise HTTPException(status_code=404, detail="Project not found")
    return envelope(ProjectRead.model_validate(project).model_dump())


@router.patch("/{project_id}", response_model=dict)
def update_project(project_id: UUID, payload: ProjectUpdate, db: Session = Depends(get_db)):
    project = ProjectService.update_project(db, project_id, payload)
    return envelope(ProjectRead.model_validate(project).model_dump())


@router.delete("/{project_id}", status_code=status.HTTP_200_OK, response_model=dict)
def delete_project(project_id: UUID, db: Session = Depends(get_db)):
    if not ProjectService.delete_project(db, project_id):
        raise HTTPException(status_code=404, detail="Project not found")
    return envelope({"deleted": True})