#!/usr/bin/env python3
"""Verify the MVP server-restart shelter persistence QA gate is covered."""

from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
ROADMAP = ROOT / "AGRARIAN_DEVELOPMENT_ROADMAP.md"
QA_DOC = ROOT / "Docs" / "QA" / "MvpQaGates.md"
PERSISTENCE_DOC = ROOT / "Docs" / "PersistenceDesignDocument.md"
GAME_MODE_H = ROOT / "Source" / "AgrarianGame" / "AgrarianGameGameMode.h"
GAME_MODE_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianGameGameMode.cpp"
PERSISTENCE_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianPersistenceSubsystem.cpp"
SHELTER_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianShelterActor.cpp"
PERSISTENT_COMPONENT_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianPersistentActorComponent.cpp"
EDITOR_AUTOMATION_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianEditorAutomationLibrary.cpp"
LOAD_ON_START_VERIFY = ROOT / "Scripts" / "verify_load_on_server_start.py"
SHELTER_VERIFY = ROOT / "Scripts" / "verify_shelter_weather_protection.py"
CRAFT_SHELTER_VERIFY = ROOT / "Scripts" / "verify_craft_shelter_qa_gate.py"

REQUIRED = {
    QA_DOC: [
        "## Server Restart Shelter Persistence",
        "ActorTypeId = primitive_shelter",
        "bLoadWorldOnServerStart",
        "SaveCurrentWorld",
        "LoadCurrentWorld",
    ],
    PERSISTENCE_DOC: [
        "`bLoadWorldOnServerStart`",
        "`DoesSaveExist`",
        "`LoadCurrentWorld` without clearing existing map",
    ],
    GAME_MODE_H: [
        "bool bLoadWorldOnServerStart = true;",
        "void RegisterPersistentActorClasses",
        "void LoadWorldOnServerStart();",
    ],
    GAME_MODE_CPP: [
        "RegisterPersistentActorClasses(Persistence);",
        "Persistence->RegisterWorldActorClass(TEXT(\"primitive_shelter\"), AAgrarianShelterActor::StaticClass());",
        "Persistence->DoesSaveExist()",
        "constexpr bool bClearExistingActors = false;",
        "Persistence->LoadCurrentWorld(RestoredPlayerCount, RestoredActorCount, bClearExistingActors);",
        "Persistence->SaveCurrentWorld()",
    ],
    PERSISTENCE_CPP: [
        "int32 UAgrarianPersistenceSubsystem::CaptureWorldActors",
        "int32 UAgrarianPersistenceSubsystem::RestoreWorldActors",
        "WorldActorClassRegistry.Find(SavedActor.ActorTypeId)",
        "Component->ApplySaveState(SavedActor);",
        "CaptureWorldActors(SaveGame);",
        "RestoreWorldActors(SaveGame, bClearExistingActors);",
    ],
    SHELTER_CPP: [
        "PersistentActorComponent = CreateDefaultSubobject<UAgrarianPersistentActorComponent>(TEXT(\"PersistentActorComponent\"));",
        "PersistentActorComponent->ActorTypeId = TEXT(\"primitive_shelter\")",
        "ProtectionVolume->SetBoxExtent",
    ],
    PERSISTENT_COMPONENT_CPP: [
        "SavedActor.ActorTypeId = ActorTypeId;",
        "SavedActor.Transform = GetOwner()->GetActorTransform();",
        "GetOwner()->SetActorTransform(SavedActor.Transform",
    ],
    EDITOR_AUTOMATION_CPP: [
        "crafted and placed primitive_shelter",
        "saved %d persistent actor(s), restored %d actor(s)",
    ],
    LOAD_ON_START_VERIFY: ["PASS: authoritative server startup load"],
    SHELTER_VERIFY: ["shelter weather protection"],
    CRAFT_SHELTER_VERIFY: ["## Craft Shelter"],
    ROADMAP: [
        "[x] Can restart server and retain placed shelter.",
    ],
}


def main() -> None:
    missing: list[str] = []
    for path, snippets in REQUIRED.items():
        text = path.read_text(encoding="utf-8")
        for snippet in snippets:
            if snippet not in text:
                missing.append(f"{path.relative_to(ROOT)} missing {snippet!r}")
    if missing:
        raise SystemExit("FAILED: " + "; ".join(missing))
    print("OK: server-restart shelter persistence QA gate is tied to world actor persistence and load-on-start coverage.")


if __name__ == "__main__":
    main()