extends SceneTree

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

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

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

func run() -> void:
    var scene = load("res://world/world.tscn").instantiate()
    var stage = scene.get_node("Stage")
    stage.owniverse.free()
    stage.set_script(load("res://tests/fixtures/ui_stage.gd"))
    root.add_child(scene)
    await process_frame
    await process_frame
    var world = stage.owniverse
    world.state.binds.RD = {"EON1": 10.0, "EON2": 4.0, "C0.0": 3.0}
    world.state.amount.EON1 = 2.0
    world.state.stats.total_amount.EON1 = 12.0
    world.state.stats.total_amount.EON2 = 4.0
    world.state.stats.total_amount["C0.0"] = 3.0
    var before: Dictionary = world.state.duplicate(true)
    stage._refresh_universe_ui()
    var counts: Dictionary = world.get_item_amounts()
    check(counts.EON1 == 12.0 and counts.EON2 == 4.0 and counts.LP == 16.0, "Individual eons and their total include bound planets")
    check(counts["C0.0"] == 3.0 and counts.C0 == 3.0 and counts.Planet == 19.0, "Civilization detail does not double the planetary total")
    check(world.get_item_amounts(true).EON1 == 12.0 and world.get_item_amounts(true).LP == 16.0, "Historical counts retain individual and aggregate values")
    check(world.state == before, "Presentation does not modify simulation state")
    var pending: Array = ["EON1", "EON2", "EON3", "C0.0"]
    var pending_before: Array = pending.duplicate()
    var decision: Dictionary = world.presentation.unlocks(world.state, world.catalog, pending)
    check(decision.remaining == ["EON3"], "Only unmet requirements remain pending")
    for id in ["EON1", "EON2", "LP", "C0.0", "C0"]:
        check(decision.visible.has(id), "Unlock projection includes detail and alias: " + id)
    check(pending == pending_before and world.state == before, "Unlock evaluation leaves inputs untouched")
    var snapshot: Dictionary = world.items_to_update.duplicate()
    world.defer_item_updates = true
    world.state.amount.EON1 += 1.0
    world.refresh_item_amounts()
    check(world.item_amounts_dirty and world.items_to_update == snapshot, "Deferred refresh retains pending snapshot")
    world.refresh_item_amounts(true)
    check(not world.item_amounts_dirty and world.items_to_update.EON1 == 13.0, "Forced refresh publishes latest amounts")
    world.state.amount.EON1 -= 1.0
    world.defer_item_updates = false
    world.refresh_item_amounts()
    for id in ["EON1", "EON2", "LP", "C0.0", "C0"]:
        check(stage.owniverse_items[id].visible, "Unlock both levels: " + id)
        check(stage.owniverse_items[id].description.text != "", "Populate the icon counter: " + id)
    check(not stage.owniverse_items.EON3.visible, "Unreached eon remains locked")
    stage.item_activated(stage.owniverse_items.LP)
    check(stage.owniverse_items.EON1.is_visible_in_tree(), "Selecting LP shows its unlocked eons")
    stage.item_activated(stage.owniverse_items.C0)
    check(stage.owniverse_items["C0.0"].is_visible_in_tree() and not stage.owniverse_items.EON1.is_visible_in_tree(), "Selecting C0 switches the detail panel")
    world.state.binds.RD.EON2 = 0.0
    stage._refresh_universe_ui()
    check(stage.owniverse_items.EON2.visible and stage.owniverse_items.EON2.description.text == "", "Previously reached stage stays unlocked after extinction with no stale count")
    for entity in world.entities.values(): entity.free()
    world.free()
    scene.free()
    print("Life icons: %d checks, %d failures" % [checks, failures])
    quit(0 if failures == 0 else 1)