# app/exceptions/order.py
"""
Order management specific exceptions.
"""

from typing import Optional
from .base import (
    ResourceNotFoundException,
    ValidationException,
    BusinessLogicException
)


class OrderNotFoundException(ResourceNotFoundException):
    """Raised when an order is not found."""

    def __init__(self, order_identifier: str):
        super().__init__(
            resource_type="Order",
            identifier=order_identifier,
            message=f"Order '{order_identifier}' not found",
            error_code="ORDER_NOT_FOUND"
        )


class OrderAlreadyExistsException(ValidationException):
    """Raised when trying to create a duplicate order."""

    def __init__(self, order_number: str):
        super().__init__(
            message=f"Order with number '{order_number}' already exists",
            error_code="ORDER_ALREADY_EXISTS",
            details={"order_number": order_number}
        )


class OrderValidationException(ValidationException):
    """Raised when order data validation fails."""

    def __init__(self, message: str, details: Optional[dict] = None):
        super().__init__(
            message=message,
            error_code="ORDER_VALIDATION_FAILED",
            details=details
        )


class InvalidOrderStatusException(BusinessLogicException):
    """Raised when trying to set an invalid order status."""

    def __init__(self, current_status: str, new_status: str):
        super().__init__(
            message=f"Cannot change order status from '{current_status}' to '{new_status}'",
            error_code="INVALID_ORDER_STATUS_CHANGE",
            details={
                "current_status": current_status,
                "new_status": new_status
            }
        )


class OrderCannotBeCancelledException(BusinessLogicException):
    """Raised when order cannot be cancelled."""

    def __init__(self, order_number: str, reason: str):
        super().__init__(
            message=f"Order '{order_number}' cannot be cancelled: {reason}",
            error_code="ORDER_CANNOT_BE_CANCELLED",
            details={
                "order_number": order_number,
                "reason": reason
            }
        )