"""Otel demo adServiceManualGc 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 AdServiceManualGc(Problem):
    def __init__(self):
        super().__init__(app=AstronomyShop())
        self.kubectl = KubeCtl()
        self.injector = OtelFaultInjector(namespace=self.namespace)
        self.faulty_service = "ad"
        self.feature_flag = "adManualGc"
        self.root_cause = self.build_structured_root_cause(
            component=self.faulty_service,
            namespace=self.namespace,
            description=(
                f"The `{self.faulty_service}` deployment is experiencing excessive manual garbage collection "
                "cycles that consume CPU and cause elevated latency with performance degradation and potential "
                "service interruptions. The workload exhibits periodic latency spikes and unstable response times "
                "as aggressive garbage collection cycles pause request handling. Users may observe slow or missing "
                "ad responses and occasional transient failures while traffic is otherwise normal. "
                f"Mechanism: the `flagd-config` ConfigMap in the `{self.namespace}` namespace has the "
                f'`{self.feature_flag}` feature flag\'s `defaultVariant` set to `"on"`, which activates the '
                "OpenTelemetry demo's in-app fault path that periodically forces the ad service JVM to perform "
                "full manual garbage collections, producing the observed throughput and latency degradation."
            ),
        )
        # === 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: adServiceManualGc | Namespace: {self.namespace}\n")

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