extends SceneTree
const PowerProjector = preload("res://scripts/mana/mana_power_projection.gd")
var checks := 0
var failures := 0
func expect(ok: bool, message: String) -> void:
	checks += 1
	if not ok:
		failures += 1
		push_error(message)
func _initialize() -> void:
	var facilities := FacilityService.new()
	var network := ManaNetworkService.new()
	for id: StringName in [&"zero_cost", &"powered", &"damaged", &"closed"]:
		facilities.create_instance({&"instance_id": id, &"definition_id": &"standard_room", &"staff_min": 0})
	facilities.set_operational_status(&"damaged", {&"suspension_reason": &"RAIDED"}, 0)
	facilities.set_operational_status(&"closed", {&"operator_open": false}, 0)
	network.register_source(&"source", 8)
	network.register_consumer(&"powered", 10)
	network.connect_nodes(&"source", &"powered")
	network.evaluate_now(0)
	var result := PowerProjector.apply(facilities, network, 10, 0)
	expect(result[&"ok"] and facilities.get_instance(&"powered").degraded_reasons.has(&"MANA_BROWNOUT"), "partial network supply retains brownout reason")
	result = PowerProjector.apply(facilities, network, 0, 1)
	expect(result[&"ok"] and result[&"changed_facilities"].size() == 4, "zero reserve stops every facility including zero-demand facilities")
	for facility: FacilityInstance in facilities.get_instances():
		expect(not facility.power_available and facility.operation_state != FacilityInstance.OperationState.OPERATING, "no facility operates with zero reserve: " + String(facility.instance_id))
	expect(PowerProjector.apply(facilities, network, 0, 1)[&"changed_facilities"].is_empty(), "unchanged projection emits no repeated status changes")
	var checkpoint := facilities.create_snapshot()
	var restored := FacilityService.new()
	expect(restored.restore_snapshot(checkpoint), "power and suspension conditions survive service checkpoint")
	PowerProjector.apply(restored, network, 4, 2)
	expect(restored.get_instance(&"zero_cost").power_available, "zero-demand facility recovers supply")
	expect(restored.get_instance(&"damaged").suspension_reason == &"RAIDED" and restored.get_instance(&"damaged").operation_state == FacilityInstance.OperationState.SUSPENDED, "reserve recovery never releases raid suspension")
	expect(not restored.get_instance(&"closed").operator_open, "recovery never reopens player-closed facility")
	expect(restored.get_instance(&"powered").degraded_reasons.has(&"MANA_BROWNOUT"), "recovery retains actual network brownout")
	network.set_source_output(&"source", 0)
	network.evaluate_now(3)
	PowerProjector.apply(restored, network, 4, 3)
	expect(not restored.get_instance(&"powered").power_available, "positive reserve does not override absent network supply")
	var before := restored.create_snapshot()
	expect(not PowerProjector.apply(restored, network, -1, 4)[&"ok"] and restored.create_snapshot() == before, "invalid reserve rejected without changes")
	print("%s: %d checks" % ["PASS" if failures == 0 else "FAIL", checks])
	quit(failures)