"""Independent acceptance agents.

Simulates independent roles: user representative and architecture reviewer.
They provide acceptance evidence, not implementation decisions.
"""

from dataclasses import dataclass, asdict
from datetime import datetime, timezone
from typing import Any


def utc_now():
    return datetime.now(timezone.utc).isoformat()


@dataclass(frozen=True)
class AcceptanceReport:
    agent: str
    role: str
    decision: str
    evidence: list[str]
    created_at: str = utc_now()

    def to_dict(self):
        return asdict(self)


class UserAcceptanceAgent:
    def review(self, change: dict[str, Any]) -> AcceptanceReport:
        checks = [
            "user_requirement_match",
            "user_workflow_validation",
            "permission_visibility_check",
        ]
        return AcceptanceReport(
            "user-acceptance-agent",
            "user_representative",
            "pass" if change.get("user_facing") else "not_required",
            checks,
        )


class ArchitectureAcceptanceAgent:
    def review(self, change: dict[str, Any]) -> AcceptanceReport:
        checks = [
            "architecture_consistency",
            "scalability_review",
            "security_boundary_review",
            "operability_review",
        ]
        return AcceptanceReport(
            "architecture-review-agent",
            "system_architect",
            "pass" if change.get("architecture_impact") else "not_required",
            checks,
        )


__all__ = ["AcceptanceReport", "UserAcceptanceAgent", "ArchitectureAcceptanceAgent"]