"""
POET Enforce Phase - Output Validation and Enforcement

This module implements the Enforce (E) phase of the POET pipeline, responsible for:
1. Output validation and type checking
2. Post-processing and transformation
3. Domain-specific enforcement rules
4. Error handling and reporting

Copyright © 2025 Aitomatic, Inc.
MIT License
"""

from typing import Any

from dana.common.utils.logging import DANA_LOGGER

from .core import POETConfig


class EnforcePhase:
    """Enforce phase implementation."""

    def __init__(self, config: POETConfig):
        """Initialize Enforce phase with configuration."""
        self.config = config
        self.logger = DANA_LOGGER.getLogger(__name__)

    def enforce(self, output: Any, context: dict[str, Any], expected_type: type | None = None) -> Any:
        """
        Validate and enforce output constraints.

        Args:
            output: The output to validate and enforce
            context: Execution context
            expected_type: Optional expected type for output validation

        Returns:
            Validated output
        """
        try:
            # Basic output validation
            self._validate_output(output, expected_type)

            # Domain-specific enforcement if domain is specified
            if self.config.domain:
                self._enforce_domain_rules(output, context)

            return output

        except Exception as e:
            self.logger.error(f"Enforce phase failed: {e}")
            raise

    def _validate_output(self, output: Any, expected_type: type | None = None) -> None:
        """Validate output against constraints."""
        # Check for None output
        if output is None:
            raise ValueError("Output cannot be None")

        # Type validation if expected_type is provided
        if expected_type is not None:
            if not isinstance(output, expected_type):
                raise TypeError(f"Output type mismatch: expected {expected_type.__name__}, got {type(output).__name__}")

    def _enforce_domain_rules(self, output: Any, context: dict[str, Any]) -> None:
        """Enforce domain-specific rules."""
        # TODO: Implement domain-specific enforcement rules
        # For now, just log that we would enforce domain rules
        self.logger.info(f"Would enforce domain rules for domain: {self.config.domain}")
