"""
POET Perceive Phase - Input Processing and Validation

This module implements the Perceive (P) phase of the POET pipeline, responsible for:
1. Input normalization and validation
2. Domain-specific input processing
3. Context gathering and enrichment
4. Input optimization for the Operate phase

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

from typing import Any

from dana.common.utils.logging import DANA_LOGGER

from .core import POETConfig


class PerceivePhase:
    """Perceive phase implementation."""

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

    def perceive(self, args: tuple[Any, ...], kwargs: dict[str, Any]) -> tuple[tuple[Any, ...], dict[str, Any], dict[str, Any]]:
        """
        Process and validate inputs.

        Args:
            args: Positional arguments to process
            kwargs: Keyword arguments to process

        Returns:
            Tuple of (processed_args, processed_kwargs, context)
        """
        context = {
            "domain": self.config.domain,
            "retries": self.config.retries,
            "timeout": self.config.timeout,
        }

        try:
            # Basic input validation
            self._validate_inputs(args, kwargs)

            # Domain-specific processing if domain is specified
            if self.config.domain:
                self._process_domain_inputs(args, kwargs, context)

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

        return args, kwargs, context

    def _validate_inputs(self, args: tuple[Any, ...], kwargs: dict[str, Any]) -> None:
        """Basic input validation."""
        # Validate args
        for i, arg in enumerate(args):
            if arg is None:
                raise ValueError(f"Positional argument {i} cannot be None")

        # Validate kwargs
        for key, value in kwargs.items():
            if value is None:
                raise ValueError(f"Keyword argument '{key}' cannot be None")

    def _process_domain_inputs(self, args: tuple[Any, ...], kwargs: dict[str, Any], context: dict[str, Any]) -> None:
        """Process inputs using domain-specific rules."""
        # TODO: Implement domain-specific processing
        # For now, just log that we would process domain inputs
        self.logger.info(f"Would process inputs for domain: {self.config.domain}")
