extends Node

const CATALOG := preload("res://scripts/game/ship_catalog.gd")
const SELECTION := preload("res://scenes/ui/ship_selection.tscn")
const PLAYER := preload("res://scenes/game/player_ship.tscn")

func _ready() -> void:
	GameState.selected_ship_path = "res://assets/Ships/Spaceship_9.png"
	var selection := SELECTION.instantiate()
	add_child(selection)
	var grid: GridContainer = selection.get_node("Layout/ShipScroll/ShipGrid")
	assert(grid.get_child_count() == 4)
	assert(GameState.selected_ship_path == CATALOG.texture_path(CATALOG.SHIPS[0]))
	for chassis in CATALOG.SHIPS:
		grid.get_node("Ship%d" % chassis["number"]).emit_signal("pressed")
		assert(GameState.selected_ship_path == CATALOG.texture_path(chassis))
		GameState.start_new_run()
		var ship := PLAYER.instantiate() as CharacterBody2D
		add_child(ship)
		assert(ship.get("max_hull") == chassis["hull"] and ship.get("hull") == chassis["hull"])
		assert(ship.get("max_shields") == chassis["shields"] and ship.get("shields") == chassis["shields"])
		assert(ship.get("max_energy") == chassis["energy"] and ship.get("energy") == chassis["energy"])
		assert(ship.get("max_speed") == chassis["speed"] and ship.get("energy_regeneration") == 5.0)
		assert(ship.get_node("Sprite2D").texture.resource_path == CATALOG.texture_path(chassis))
		var inventory: ShipInventory = ship.get_node("ShipInventory")
		var shield := ItemInstance.new()
		shield.definition = preload("res://resources/items/reinforced_shield.tres")
		assert(inventory.add_item(shield))
		assert(inventory.move_item("cargo", inventory.cargo.find(shield), "module", 0))
		var equipped := inventory.get_item("module", 0)
		assert(ship.get("max_shields") == chassis["shields"] + equipped.get_stat_total("max_shields"))
		inventory.preserve_for_restart()
		ship.queue_free()
		await get_tree().process_frame
		var restored := PLAYER.instantiate() as CharacterBody2D
		add_child(restored)
		assert(restored.get("base_max_shields") == chassis["shields"])
		assert(restored.get("shields") == restored.get("max_shields"))
		assert(restored.get_node("ShipInventory").get_item("module", 0) == equipped)
		restored.queue_free()
		await get_tree().process_frame
	print("SHIP_SELECTION_TEST: PASS — four choices, fallback, base stats, full resources, equipment and restart")