from fastapi import APIRouter, Depends, HTTPException, Query, Header, status
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
from sqlalchemy.orm import Session
from typing import Optional, List
#
from database import get_db
from app.core.auth import get_current_user
from app.models.user import User  # Modelo base de usuario
from app.modules.license.models import License
from app.modules.license.schema import , Response
from app.modules.license.services import LicenseService

router = APIRouter(prefix="/license", tags=["license"])
security = HTTPBearer()

#================ Create ====================
@router.post("/create", response_model=Response, status_code=status.HTTP_201_CREATED)
async def create_license(
    data: ,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Create a license - Requires authentication"""
    
    if not current_user:
        raise HTTPException(status_code=401, detail="User not found - invalid token")
    
    if current_user.tipo_usuario not in ["root", "admin"]:
        raise HTTPException(status_code=403, detail="You don't have permission to create license")
    
    try:
        result = LicenseService.create_license(db=db, data=data)
        return result
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e))

#================ Get ====================
@router.get("/", response_model=List[Response])
def get_licenses(
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
    skip: int = Query(0, ge=0, description="Number of records to skip"),
    limit: int = Query(100, ge=1, le=1000, description="Max number of records to return")
):
    """Get list with pagination - requires authentication"""
    
    if not current_user:
        raise HTTPException(status_code=401, detail="Authentication required")
    
    return LicenseService.get_licenses(db=db, skip=skip, limit=limit)

#================ Get by ID ====================
@router.get("/{{{entity_name}}_id}", response_model=Response)
def get_license_by_id(
    license_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Get license by ID - requires authentication"""
    
    if not current_user:
        raise HTTPException(status_code=401, detail="Authentication required")
    
    try:
        result = LicenseService.get_license(db=db, license_id=license_id, current_user=current_user)
        return result
    except ValueError as e:
        raise HTTPException(status_code=404, detail=str(e))

#================ Update ====================
@router.patch("/update/{{{entity_name}}_id}", response_model=Response)
async def update_license(
    license_id: int,
    data: ,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Update existing license - requires authentication"""
    
    if not current_user:
        raise HTTPException(status_code=401, detail="Authentication required")
    
    if current_user.tipo_usuario not in ["root", "admin"]:
        raise HTTPException(status_code=403, detail="You don't have permission to update license")
    
    try:
        result = LicenseService.update_license(
            db=db, 
            license_id=license_id, 
            data=data, 
            current_user=current_user
        )
        return result
    except ValueError as e:
        raise HTTPException(status_code=404, detail=str(e))

#================ Delete ====================
@router.delete("/delete/{{{entity_name}}_id}", status_code=status.HTTP_200_OK)
async def delete_license(
    license_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Delete license by ID - requires authentication"""
    
    if not current_user:
        raise HTTPException(status_code=401, detail="Authentication required")
    
    if current_user.tipo_usuario not in ["root", "admin"]:
        raise HTTPException(status_code=403, detail="You don't have permission to delete license")
    
    try:
        result = LicenseService.delete_license(db=db, license_id=license_id, current_user=current_user)
        return {"message": "license deleted successfully"}
    except ValueError as e:
        raise HTTPException(status_code=404, detail=str(e))