"""HOPE Guard: Ethical validation and SR9 compliance system."""

from dataclasses import dataclass
from typing import Any, Dict


@dataclass
class HOPEVerdict:
    """Verdict from HOPE Guard ethical validation."""

    severity: str
    sr9_score: float
    compliant: bool
    violations: list
    recommendation: str


class HOPEGuard:
    """Enforces SR9 semantic resonance and ethical standards.

    HOPE (Harmonious Operations & Policy Enforcement) Guard validates
    that system changes align with ethical frameworks and maintain
    semantic coherence.
    """

    def __init__(self, sr9_standard: float = 0.93):
        """Initialize HOPEGuard.

        Args:
            sr9_standard: Minimum SR9 compliance score required
        """
        self.sr9_standard = sr9_standard

    def validate(self, config: Dict[str, Any]) -> HOPEVerdict:
        """Validate configuration against HOPE standards.

        Args:
            config: Configuration to validate

        Returns:
            HOPEVerdict with validation results
        """
        violations = []

        # Check for ethical_mode flag
        ethical_mode = config.get("ethical_mode", False)

        # Calculate SR9 score (simplified)
        sr9_score = 0.90  # Default score

        if ethical_mode:
            sr9_score = 0.95  # Boost for ethical mode

        # Check coherence settings
        if not config.get("coherence_enabled", False):
            violations.append("Coherence validation disabled")
            sr9_score -= 0.05

        # Check version compliance
        version = config.get("version", "0.0.0")
        if version < "1.2.0":
            violations.append(f"Version {version} below minimum 1.2.0")
            sr9_score -= 0.03

        # Determine compliance
        compliant = sr9_score >= self.sr9_standard and len(violations) == 0

        # Determine severity
        if compliant:
            severity = "none"
            recommendation = "HOPE compliant. No action required."
        elif sr9_score >= 0.90:
            severity = "minor"
            recommendation = "Minor HOPE violations. Address violations."
        elif sr9_score >= 0.85:
            severity = "moderate"
            recommendation = "HOPE compliance at risk. Immediate review required."
        else:
            severity = "critical"
            recommendation = "CRITICAL: HOPE standards violated. Restore compliance."

        return HOPEVerdict(
            severity=severity,
            sr9_score=sr9_score,
            compliant=compliant,
            violations=violations,
            recommendation=recommendation,
        )
