from sqlalchemy.orm import Session
from fastapi import HTTPException, status
from app.models.auth.role_model import Role
from app.schemas.auth.role_schema import (
    RoleCreate,
    RoleUpdate,
    RoleResponse,
    RoleWithAccessesResponse,
    RolePaginatedResponse,
)
from app.services.auth.role_service import RoleService
from typing import List, Optional
import uuid

class RoleController:
    @staticmethod
    def create_role(
        db: Session, role_data: RoleCreate, tenant_id: uuid.UUID = None
    ) -> Role:
        if tenant_id:
            role_data.tenant_id = tenant_id
        return RoleService.create_role(db, role_data)

    @staticmethod
    def get_all_roles(db: Session, tenant_id: uuid.UUID = None) -> List[Role]:
        return RoleService.get_all_roles(db, tenant_id)

    @staticmethod
    def get_role_by_id(db: Session, role_id: uuid.UUID) -> Role:
        return RoleService.get_role_by_id(db, role_id)

    @staticmethod
    def update_role(
        db: Session,
        role_id: uuid.UUID,
        role_data: RoleUpdate,
        is_superadmin: bool = False,
    ) -> Role:
        return RoleService.update_role(
            db, role_id, role_data, is_superadmin=is_superadmin
        )

    @staticmethod
    def delete_role(db: Session, role_id: uuid.UUID, is_superadmin: bool = False):
        return RoleService.delete_role(db, role_id, is_superadmin=is_superadmin)

    @staticmethod
    def get_role_with_accesses(
        db: Session, role_id: uuid.UUID
    ) -> RoleWithAccessesResponse:
        role = RoleService.get_role_by_id(db, role_id)

        accesses = [
            {
                "id": str(ra.access.id),
                "access_code": ra.access.access_code,
                "category": ra.access.category,
                "name": ra.access.name,
                "parent_id": str(ra.access.parent_id) if ra.access.parent_id else None,
            }
            for ra in role.role_accesses
        ]
        
        # Add Module Permissions
        accesses.extend([
            {
                "id": str(rma.module_access.id),
                "access_code": rma.module_access.access_code,
                "category": rma.module_access.category,
                "name": rma.module_access.name,
                "parent_id": str(rma.module_access.parent_id) if rma.module_access.parent_id else None,
            }
            for rma in role.role_module_accesses
        ])

        return RoleWithAccessesResponse(
            id=role.id,
            role_name=role.role_name,
            tenant_id=role.tenant_id,
            created_at=role.created_at,
            updated_at=role.updated_at,
            accesses=accesses,
        )

    @staticmethod
    def get_roles_paginated(
        db: Session,
        current_user_tenant_id: Optional[uuid.UUID],
        page: int = 1,
        page_size: int = 10,
        search: Optional[str] = None,
        filter_role_names: Optional[List[str]] = None,
        filter_tenant_ids: Optional[List[uuid.UUID]] = None,
        sort_by: Optional[str] = None,
        sort_order: Optional[str] = None,
    ) -> RolePaginatedResponse:
        tenant_id = None if current_user_tenant_id is None else current_user_tenant_id
        return RoleService.get_roles_paginated(
            db=db,
            tenant_id=tenant_id,
            page=page,
            page_size=page_size,
            search=search,
            filter_role_names=filter_role_names,
            filter_tenant_ids=filter_tenant_ids,
            sort_by=sort_by,
            sort_order=sort_order,
        )