extends Node2D

var _finished_count := 0

func _ready() -> void:
	GameState.start_new_run()
	var game := preload("res://scenes/game/game.tscn").instantiate()
	add_child(game)
	game.set_physics_process(false)
	var ship: CharacterBody2D = game.get_node("PlayerShip")
	ship.set_physics_process(false)
	ship.get_node("WeaponController").set_physics_process(false)
	var camera: Camera2D = ship.get_node("Camera2D")
	camera.offset = Vector2(3, 5)
	ship.velocity = Vector2(100, -40)
	ship.call("_destroy_ship")
	assert(ship.get("_is_destroyed") and ship.collision_layer == 0 and ship.velocity == Vector2.ZERO)
	assert(not ship.get_node("Sprite2D").visible and not ship.get_node("ShieldVisual").visible)
	var effect: Node = game.get_node("PlayerDestructionEffect")
	effect.set_process(false)
	assert(effect.get("_texture") == ship.get_node("Sprite2D").texture)
	assert(effect.get("_fragments").size() >= 4)
	assert(not game.has_node("DefeatOverlay"))
	assert(not effect.has_node("ExplosionAudio"))
	effect.finished.connect(func() -> void: _finished_count += 1)
	effect._process(0.2)
	assert(not effect.get("_detonated") and camera.offset != Vector2(3, 5))
	for step in 18:
		effect._process(0.1)
	assert(not effect.get("_detonated") and not game.has_node("DefeatOverlay"))
	assert(effect.get("_smoke").size() > 0)
	effect._process(0.35)
	assert(effect.get("_detonated") and effect.get("_sparks").size() > 30)
	assert(effect.has_node("ExplosionAudio"))
	assert(effect.get_node("ExplosionAudio").stream.resource_path == "res://assets/sounds/effects/explosion.mp3")
	assert(not game.has_node("DefeatOverlay"))
	effect._process(2.7)
	assert(not game.has_node("DefeatOverlay"))
	effect._process(0.3)
	assert(game.has_node("DefeatOverlay") and _finished_count == 1)
	assert(camera.offset == Vector2(3, 5))
	effect._process(0.1)
	ship.call("_destroy_ship")
	assert(_finished_count == 1)
	var deaths := 0
	for child in game.get_children():
		if child.name == "PlayerDestructionEffect":
			deaths += 1
	assert(deaths == 1)
	for chassis in preload("res://scripts/game/ship_catalog.gd").SHIPS:
		var source := Sprite2D.new()
		source.texture = load(preload("res://scripts/game/ship_catalog.gd").texture_path(chassis))
		source.scale = Vector2.ONE * 64.0 / source.texture.get_width()
		var variant := Node2D.new()
		variant.set_script(preload("res://scripts/game/player_destruction_effect.gd"))
		variant.configure(source, Vector2.ZERO, null)
		add_child(variant)
		variant.set_process(false)
		assert(variant.get("_fragments").size() >= 4)
		source.free()
		variant.queue_free()
	print("PLAYER_DESTRUCTION_TEST: PASS (ship texture fragments, collision shutdown, overload, detonation, delayed defeat, camera restoration, single death)")
	get_tree().quit()