"""Otel demo paymentServiceFailure feature flag fault."""

from sregym.conductor.oracles.alert_oracle import AlertOracle
from sregym.conductor.oracles.llm_as_a_judge.llm_as_a_judge_oracle import LLMAsAJudgeOracle
from sregym.conductor.problems.base import Problem
from sregym.generators.fault.inject_otel import OtelFaultInjector
from sregym.service.apps.astronomy_shop import AstronomyShop
from sregym.service.kubectl import KubeCtl
from sregym.utils.decorators import mark_fault_injected


class PaymentServiceFailure(Problem):
    def __init__(self):
        super().__init__(app=AstronomyShop())
        self.kubectl = KubeCtl()
        self.injector = OtelFaultInjector(namespace=self.namespace)
        self.faulty_service = "payment"
        self.feature_flag = "paymentFailure"
        self.root_cause = self.build_structured_root_cause(
            component=self.faulty_service,
            namespace=self.namespace,
            description=(
                f"The `{self.faulty_service}` deployment is returning persistent errors on payment processing "
                "requests. Checkout requests reach the payment step but fail authorization/charge flow with retries "
                "and eventual cancellation. Users experience failed purchases despite valid cart state. "
                f"Mechanism: the `flagd-config` ConfigMap in the `{self.namespace}` namespace has the "
                f'`{self.feature_flag}` feature flag\'s `defaultVariant` set to `"100%"`, which activates the '
                "OpenTelemetry demo's in-app fault path that makes the payment service's `Charge` gRPC handler "
                "fail 100% of charge requests."
            ),
        )
        # === Attach evaluation oracles ===
        self.diagnosis_oracle = LLMAsAJudgeOracle(problem=self, expected=self.root_cause)
        self.mitigation_oracle = AlertOracle(problem=self)

    @mark_fault_injected
    def inject_fault(self):
        print("== Fault Injection ==")
        self.injector.inject_fault(self.feature_flag)
        print(f"Fault: paymentServiceFailure | Namespace: {self.namespace}\n")

    @mark_fault_injected
    def recover_fault(self):
        print("== Fault Recovery ==")
        self.injector.recover_fault(self.feature_flag)
