#!/usr/bin/env python3
"""Verify the MVP reconnect state-retention 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"
NETWORKING = ROOT / "Docs" / "MultiplayerNetworkingDesign.md"
GAME_MODE_H = ROOT / "Source" / "AgrarianGame" / "AgrarianGameGameMode.h"
GAME_MODE_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianGameGameMode.cpp"
PERSISTENCE_H = ROOT / "Source" / "AgrarianGame" / "AgrarianPersistenceSubsystem.h"
PERSISTENCE_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianPersistenceSubsystem.cpp"
SAVE_GAME_H = ROOT / "Source" / "AgrarianGame" / "AgrarianSaveGame.h"
INVENTORY_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianInventoryComponent.cpp"
DISCONNECT_VERIFY = ROOT / "Scripts" / "verify_disconnect_reconnect_handling.py"
IDENTITY_VERIFY = ROOT / "Scripts" / "verify_player_identity_persistence.py"
STATS_VERIFY = ROOT / "Scripts" / "verify_player_stats_persistence.py"
INVENTORY_VERIFY = ROOT / "Scripts" / "verify_inventory_persistence.py"
TWO_CLIENT_VERIFY = ROOT / "Scripts" / "verify_two_client_connection_gate.py"

REQUIRED = {
    QA_DOC: [
        "## Reconnect State Retention",
        "Logout",
        "RestartPlayer",
        "transform, safe player identity, survival",
        "RestoreSavedItems",
    ],
    NETWORKING: [
        "## Disconnect And Reconnect",
        "player reconnect snapshot",
        "preserves transform, survival, care history, and",
        "inventory through `UAgrarianPersistenceSubsystem::SavePlayerSnapshot`",
        "normal MVP spawn point",
    ],
    GAME_MODE_H: [
        "virtual void RestartPlayer(AController* NewPlayer) override;",
        "virtual void Logout(AController* Exiting) override;",
    ],
    GAME_MODE_CPP: [
        "Super::RestartPlayer(NewPlayer)",
        "Persistence->RestorePlayerSnapshot(AgrarianCharacter)",
        "Persistence->SavePlayerSnapshot(AgrarianCharacter)",
        "Super::Logout(Exiting)",
    ],
    PERSISTENCE_H: [
        "bool SavePlayerSnapshot(const AAgrarianGameCharacter* Character) const;",
        "bool RestorePlayerSnapshot(AAgrarianGameCharacter* Character) const;",
    ],
    PERSISTENCE_CPP: [
        "SavedPlayer.Transform = Character->GetActorTransform();",
        "SavedPlayer.Survival = SurvivalComponent->Survival;",
        "SavedPlayer.CareHistory = SurvivalComponent->CareHistory;",
        "SavedPlayer.Inventory = InventoryComponent->Items;",
        "Character->SetActorTransform(SavedPlayer->Transform",
        "InventoryComponent->RestoreSavedItems(SavedPlayer->Inventory);",
        "return UniqueId->ToString();",
    ],
    SAVE_GAME_H: [
        "struct FAgrarianSavedPlayer",
        "FAgrarianSavedPlayerIdentity Identity;",
        "FTransform Transform;",
        "FAgrarianSurvivalSnapshot Survival;",
        "TArray<FAgrarianItemStack> Inventory;",
    ],
    INVENTORY_CPP: [
        "UAgrarianInventoryComponent::RestoreSavedItems",
        "BroadcastInventoryChanged()",
    ],
    DISCONNECT_VERIFY: ["PASS: MVP disconnect/reconnect snapshot handling"],
    IDENTITY_VERIFY: ["player identity persistence"],
    STATS_VERIFY: ["player stats persist"],
    INVENTORY_VERIFY: ["inventory persistence"],
    TWO_CLIENT_VERIFY: ["Two-Client Connection"],
    ROADMAP: [
        "[x] Can reconnect and retain state.",
    ],
}


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: reconnect state-retention QA gate is tied to logout/restart snapshots and persistence coverage.")


if __name__ == "__main__":
    main()