# app/exceptions/feature.py
"""
Feature management exceptions.
"""

from app.exceptions.base import ResourceNotFoundException, ValidationException


class FeatureNotFoundError(ResourceNotFoundException):
    """Feature not found."""

    def __init__(self, feature_code: str):
        super().__init__(
            resource_type="Feature",
            identifier=feature_code,
            message=f"Feature '{feature_code}' not found",
        )
        self.feature_code = feature_code


class TierNotFoundError(ResourceNotFoundException):
    """Subscription tier not found."""

    def __init__(self, tier_code: str):
        super().__init__(
            resource_type="SubscriptionTier",
            identifier=tier_code,
            message=f"Tier '{tier_code}' not found",
        )
        self.tier_code = tier_code


class InvalidFeatureCodesError(ValidationException):
    """Invalid feature codes provided."""

    def __init__(self, invalid_codes: set[str]):
        codes_str = ", ".join(sorted(invalid_codes))
        super().__init__(
            message=f"Invalid feature codes: {codes_str}",
            details={"invalid_codes": list(invalid_codes)},
        )
        self.invalid_codes = invalid_codes