#!/usr/bin/env python3
"""Validate MVP server travel flow wiring."""

from pathlib import Path
import sys

ROOT = Path(__file__).resolve().parents[1]


def read(relative_path: str) -> str:
    path = ROOT / relative_path
    if not path.exists():
        raise AssertionError(f"Missing required file: {relative_path}")
    return path.read_text(encoding="utf-8")


def require(content: str, needle: str, context: str) -> None:
    if needle not in content:
        raise AssertionError(f"Missing {needle!r} in {context}")


def main() -> int:
    errors: list[str] = []
    checks = {
        "Source/AgrarianGame/AgrarianGamePlayerController.h": [
            "void AgrarianServerTravel(FName MapName);",
            "void ServerAgrarianServerTravel(FName MapName);",
        ],
        "Source/AgrarianGame/AgrarianGamePlayerController.cpp": [
            "GroundZeroServerTravelMapPath",
            "ResolveAgrarianServerTravelMap",
            "AgrarianServerTravel(FName MapName)",
            "ServerAgrarianServerTravel_Implementation",
            "HasAuthority()",
            "AgrarianServerTravel GroundZero",
            "World->ServerTravel(TravelURL, false, false)",
            "/Game/Agrarian/Maps/L_GroundZeroTerrain_Test",
            "?listen",
        ],
        "Docs/MultiplayerNetworkingDesign.md": [
            "Server Travel Flow",
            "AgrarianServerTravel GroundZero",
            "/Game/Agrarian/Maps/L_GroundZeroTerrain_Test?listen",
            "without exposing arbitrary map URLs",
        ],
        "Docs/Ops/DedicatedServerBuildRunbook.md": [
            "AgrarianServerTravel GroundZero",
            "allowlisted to the Ground Zero MVP map",
        ],
        "AGRARIAN_DEVELOPMENT_ROADMAP.md": [
            "[x] Add server travel flow.",
            "AgrarianServerTravel",
            "/Game/Agrarian/Maps/L_GroundZeroTerrain_Test?listen",
        ],
    }

    for relative_path, needles in checks.items():
        try:
            content = read(relative_path)
            for needle in needles:
                require(content, needle, relative_path)
        except AssertionError as exc:
            errors.append(str(exc))

    if errors:
        for error in errors:
            print(f"ERROR: {error}", file=sys.stderr)
        return 1

    print("PASS: MVP server travel flow is wired and documented.")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())
