from sqlalchemy.orm import Session

from app.core.logging import get_logger
from app.models.employee import Employee
from app.repositories.employee import EmployeeRepository
from app.schemas.employee import EmployeeCreate

logger = get_logger("app.services.employee")


class EmployeeService:
    def __init__(self, db: Session) -> None:
        self.repository = EmployeeRepository(db)

    def list_employees(self) -> list[Employee]:
        employees = self.repository.list()
        logger.info("Listed employees (count=%d)", len(employees))
        return employees

    def get_employee(self, employee_id: str) -> Employee | None:
        employee = self.repository.get(employee_id)
        if employee:
            logger.info("Fetched employee id=%s name=%s", employee_id, employee.name)
        else:
            logger.warning("Employee not found id=%s", employee_id)
        return employee

    def create_employee(self, payload: EmployeeCreate) -> Employee:
        employee = Employee(**payload.model_dump())
        created = self.repository.create(employee)
        logger.info(
            "Created employee id=%s no=%s name=%s", created.id, created.employee_no, created.name
        )
        return created