extends SceneTree
const E = preload("res://world/owniverse/math/exact.gd")
const Clock = preload("res://world/owniverse/simulation_time.gd")
var checks: int = 0
var failures: int = 0

func _initialize() -> void:
    call_deferred("run")

func check(condition: bool, message: String) -> void:
    checks = E.add(checks, 1)
    if (not condition):
        failures = E.add(failures, 1)
        push_error(message)

func fixture():
    var world = load("res://world/owniverse/owniverse.gd").new()
    var global: Node = root.get_node("Global")
    for id in global.OwniverseEntities:
        var entity = load("res://world/owniverse/owniverse_entity.gd").new(global.OwniverseEntities[id])
        world.catalog.entities[id] = entity
        world.state.amount[id] = 0
        world.state.stats.total_amount[id] = 0
        if E.ne(entity.group_as, ""):
            world.state.amount[entity.group_as] = 0
            world.state.stats.total_amount[entity.group_as] = 0
    world.catalog.entities["N"].life_product = {}
    world.catalog.entities["N"].product_per_year_type = "H"
    world.catalog.entities["N"].product_per_year_amount = 10
    world.catalog.entities["N"].auto = 0
    world.state.amount.N = 1
    return world

func dispose(world) -> void:
    for entity in world.catalog.entities.values():
        entity.free()
    world.free()

func run() -> void:
    var world = fixture()
    for id in world.catalog.entities:
        var expected: Array = []
        for key in world.catalog.entities:
            if E.eq(world.catalog.entities[key].group_as, id):
                expected.append(key)
        check(E.eq(world.catalog.is_group(id), ((not expected.is_empty()))), E.add("Group classification: ", id))
        check(E.eq(world.catalog.members(id), ((expected if (not expected.is_empty()) else [id]))), E.add("Group members: ", id))
    var members: Array = world.catalog.members("Star")
    members.clear()
    check((not world.catalog.members("Star").is_empty()), "Returned members are independent")
    world.catalog.entities.N.group_as = "TestGroup"
    world.catalog.rebuild_group_index()
    check(E.eq(world.catalog.members("TestGroup"), ["N"]), "Explicit definition reload")
    world.catalog.entities.N.free()
    world.catalog.entities.erase("N")
    check((not world.catalog.is_group("TestGroup")), "Removed definition invalidates index")
    print(("Group index: %d checks, %d failures" % [checks, failures]))
    dispose(world)
    quit((1 if failures else 0))