import pydantic
from typing import List
from ..schemas.agent_spec import AgentSpec
from ..schemas.conversation import ValidationError, ValidationResult

class SchemaValidator:
    def validate(self, spec_dict: dict) -> ValidationResult:
        errors = []
        try:
            AgentSpec.model_validate(spec_dict)
        except pydantic.ValidationError as e:
            for err in e.errors():
                loc_path = ".".join(str(loc) for loc in err.get("loc", []))
                errors.append(ValidationError(
                    code="SCHEMA_VALIDATION_FAILED",
                    message=f"{loc_path}: {err.get('msg')}" if loc_path else err.get('msg'),
                    path=loc_path or None
                ))
        except Exception as e:
            errors.append(ValidationError(
                code="SCHEMA_VALIDATION_FAILED",
                message=str(e),
                path=None
            ))
        return ValidationResult(valid=len(errors) == 0, errors=errors)