extends Node2D

const PLAYER := preload("res://scenes/game/player_ship.tscn")
const ENEMY := preload("res://scenes/game/enemy_ship.tscn")
const BALANCE := preload("res://scripts/captain/captain_balance.gd")

func _ready() -> void:
	GameState.start_new_run()
	GameState.system_level = 4
	var ship := PLAYER.instantiate() as CharacterBody2D
	ship.name = "PlayerShip"
	add_child(ship)
	ship.set_physics_process(false)
	ship.get_node("WeaponController").set_physics_process(false)
	ship.set("credits_multiplier", 1.5)
	var inventory := ship.get_node("ShipInventory") as ShipInventory
	assert(inventory.ammunition == 50)
	var enemy := ENEMY.instantiate() as CharacterBody2D
	enemy.position = Vector2(700, 0)
	add_child(enemy)
	enemy.set_physics_process(false)
	enemy.set("_player", ship)
	enemy.call("apply_level_settings", 4, 2)
	var expected := roundi(BALANCE.KILL_CREDITS[2] * 1.15 * 1.5)
	enemy.call("take_damage", 10.0 * (float(enemy.get("max_hull")) + float(enemy.get("max_shields"))))
	assert(GameState.captain.credits == 0)
	assert(GameState.captain.level > 1 or GameState.captain.experience > 0)
	await get_tree().process_frame
	var pickups := get_tree().get_nodes_in_group("credit_pickups")
	assert(pickups.size() == 1)
	var pickup := pickups[0] as Node2D
	pickup.set_physics_process(false)
	assert(pickup.get("amount") == expected)
	pickup.call("_physics_process", 0.1)
	assert(GameState.captain.credits == 0)
	# Credits can be collected even when cargo is full.
	var item := ItemInstance.new()
	item.definition = preload("res://resources/items/plasma_cannon.tres")
	inventory.cargo.fill(item)
	ship.position = pickup.position
	pickup.call("_physics_process", 0.1)
	assert(GameState.captain.credits == expected)
	pickup.call("_physics_process", 0.1)
	assert(GameState.captain.credits == expected)
	var found_popup := false
	for child in get_children():
		if child is Label and child.text == "+%d KREDYTÓW" % expected:
			found_popup = true
	assert(found_popup)
	print("CREDIT_PICKUP_TEST: PASS (drop, deferred credits, XP, gear bonus, proximity, full cargo, popup, single collection)")
	get_tree().quit()