extends SceneTree
const E = preload("res://world/owniverse/math/exact.gd")

var failures: int = 0
var checks: int = 0

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

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

func run() -> void:
    var actions = load("res://ui/actions/actions.tscn").instantiate()
    root.add_child(actions)
    for maximum in [0, E.of("0.1"), E.of("0.99"), 1, E.of("1.9"), 10, 100, 123, 1000, 10000, E.of("1e9"), E.of("1.1e9"), E.of("9e27")]:
        actions.set_actions("test", maximum)
        var labels: Array = []
        var values: Array = []
        for i in 5:
            var value: Variant = actions.action_values[i]
            var text: String = actions.action_labels[i].text
            check((E.eq(value, E.floor_value(value)) and E.le(value, E.floor_value(maximum))), "Whole affordable request")
            if E.gt(value, 0):
                check(((not values.has(value)) and (not labels.has(text))), "Unique requests and displayed labels")
                values.append(value)
                labels.append(text)
            else:
                check((E.eq(text, "") and actions.action_labels[i].get_parent().get_node("TextureButton").disabled), "Unused button blank and disabled")
        if E.ge(maximum, 1): check(E.eq(values.back(), E.floor_value(maximum)), "Maximum retained")
    actions.set_actions("test", 100)
    check(E.eq(actions.action_values.values(), [1, 10, 100, 0, 0]), "Exact power of ten not duplicated")
    actions.set_actions("SMBH", 25, func ( _request ) : return 25)
    check(E.eq(actions.action_values.values(), [25, 0, 0, 0, 0]), "Identical SMBH previews collapse to one button")
    actions.set_actions("step", 123, func ( request ) : return E.multiply(E.floor_value(E.divide(request, 5)), 5))
    check(E.eq(actions.action_values.values(), [10, 100, 123, 0, 0]), "Unproducible small requests omitted")
    check(E.eq(actions.action_labels[2].text, "120"), "Recipe preview displayed while original request retained")
    var emitted: Array = []
    actions.action_pressed.connect(func ( _page , amount ) : emitted.append(amount))
    actions._on_action_button_pressed(2)
    actions._on_action_button_pressed(4)
    check(E.eq(emitted, [123]), "Only active button emits its matching request")
    actions.queue_free()
    print(("Action values: %d checks, %d failures" % [checks, failures]))
    quit((0 if E.eq(failures, 0) else 1))