#!/usr/bin/env python3
"""Verify the MVP full day/night survival 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"
CORE_DESIGN = ROOT / "Docs" / "CoreDesignDocument.md"
MOVEMENT_TIME = ROOT / "Docs" / "MovementAndTimeScaleBaseline.md"
GAME_STATE_H = ROOT / "Source" / "AgrarianGame" / "AgrarianGameState.h"
GAME_STATE_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianGameState.cpp"
SURVIVAL_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianSurvivalComponent.cpp"
DEBUG_HUD_CPP = ROOT / "Source" / "AgrarianGame" / "AgrarianDebugHUD.cpp"
WORLD_TIME_VERIFY = ROOT / "Scripts" / "verify_world_time_persistence.py"
STAT_SAVE_VERIFY = ROOT / "Scripts" / "verify_stat_save_load_support.py"
SHELTER_VERIFY = ROOT / "Scripts" / "verify_shelter_weather_protection.py"
FIRE_VERIFY = ROOT / "Scripts" / "verify_craft_fire_qa_gate.py"

REQUIRED = {
    QA_DOC: [
        "## Full Day/Night Survival",
        "4 real hours = 1 in-game day",
        "WorldHours",
        "Day/night state changes at least once",
        "Hunger, thirst, stamina, body temperature, and health",
    ],
    CORE_DESIGN: [
        "gameplay calendar target: `4 real hours = 1 in-game day`",
        "Solve thirst, hunger, warmth, and shelter.",
    ],
    MOVEMENT_TIME: [
        "Calendar compression is for crop growth, weather passage, day/night rhythm",
        "hunger, thirst, weather exposure, and stamina",
    ],
    GAME_STATE_H: [
        "float GameHoursPerRealMinute = 0.1f;",
        "float WorldHours = 8.0f;",
        "bool IsNight() const;",
    ],
    GAME_STATE_CPP: [
        "WorldHours += (DeltaSeconds / 60.0f) * GameHoursPerRealMinute;",
        "while (WorldHours >= 24.0f)",
        "DOREPLIFETIME(AAgrarianGameState, WorldHours);",
        "bool AAgrarianGameState::IsNight() const",
    ],
    SURVIVAL_CPP: [
        "Survival.Hunger -= HungerDecayPerMinute * Minutes;",
        "Survival.Thirst -= ThirstDecayPerMinute * Minutes;",
        "Survival.Stamina += StaminaRecoveryPerSecond * DeltaTime;",
        "Survival.BodyTemperature += FMath::Clamp(ExposureDelta",
        "Survival.Health -= StarvationDamagePerMinute * Minutes;",
        "Survival.Health -= DehydrationDamagePerMinute * Minutes;",
        "Survival.Health -= ColdDamagePerMinute * Minutes",
    ],
    DEBUG_HUD_CPP: [
        "DrawCriticalStats",
        "State     ALIVE",
        "State     DEAD",
    ],
    WORLD_TIME_VERIFY: ["WorldHours", "SaveGame->WorldHours"],
    STAT_SAVE_VERIFY: ["SurvivalComponent->ApplySavedState", "SavedPlayer.Survival"],
    SHELTER_VERIFY: ["weather protection"],
    FIRE_VERIFY: ["## Craft Fire", "AAgrarianCampfire"],
    ROADMAP: [
        "[x] Can survive one full day/night cycle.",
    ],
}


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: full day/night survival QA gate is tied to time, survival, HUD, and persistence coverage.")


if __name__ == "__main__":
    main()