"""Project endpoints."""
from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session
from typing import List, Optional
from app.database import get_db
from app.schemas.project import ProjectCreate, ProjectUpdate, ProjectResponse, ProjectStats
from app.services.project_service import ProjectService
from app.api.deps import get_current_user, get_tenant_id, require_roles
from app.core.permissions import Role
from app.models.user import User

router = APIRouter(prefix="/projects")


@router.get("", response_model=List[ProjectResponse])
def list_projects(
    status: Optional[str] = None,
    skip: int = 0, limit: int = 100,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    return ProjectService.list_projects(db, user.tenant_id, status, skip, limit)


@router.post("", response_model=ProjectResponse)
def create_project(
    req: ProjectCreate,
    user: User = Depends(require_roles(Role.SUPER_ADMIN, Role.TENANT_ADMIN, Role.PROJECT_MANAGER)),
    db: Session = Depends(get_db),
):
    return ProjectService.create_project(db, user.tenant_id, user.id, req)


@router.get("/{project_id}", response_model=ProjectResponse)
def get_project(
    project_id: int,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    p = ProjectService.get_project(db, user.tenant_id, project_id)
    if not p:
        raise HTTPException(status_code=404, detail="Project not found")
    return p


@router.put("/{project_id}", response_model=ProjectResponse)
def update_project(
    project_id: int,
    req: ProjectUpdate,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    try:
        return ProjectService.update_project(db, user.tenant_id, project_id, req)
    except ValueError as e:
        raise HTTPException(status_code=404, detail=str(e))


@router.delete("/{project_id}")
def delete_project(
    project_id: int,
    user: User = Depends(require_roles(Role.SUPER_ADMIN, Role.TENANT_ADMIN, Role.PROJECT_MANAGER)),
    db: Session = Depends(get_db),
):
    if ProjectService.delete_project(db, user.tenant_id, project_id):
        return {"success": True, "message": f"Project #{project_id} deleted"}
    raise HTTPException(status_code=404, detail="Project not found")


@router.get("/{project_id}/stats", response_model=ProjectStats)
def get_project_stats(
    project_id: int,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    return ProjectService.get_stats(db, user.tenant_id, project_id)