extends Node2D

const PLAYER := preload("res://scenes/game/player_ship.tscn")
const BANK := preload("res://resources/items/energy_bank.tres")

func _ready() -> void:
	GameState.start_new_run()
	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)
	var inventory := ship.get_node("ShipInventory") as ShipInventory
	inventory.cargo.fill(null)
	var item := ItemInstance.new()
	item.definition = BANK
	var pickup := Node2D.new()
	pickup.set_script(preload("res://scripts/items/loot_pickup.gd"))
	pickup.set("item", item)
	add_child(pickup)
	pickup.set_physics_process(false)
	var equipment := ItemInstance.new()
	equipment.definition = preload("res://resources/items/plasma_cannon.tres")
	inventory.cargo.fill(equipment)
	pickup.call("_physics_process", 0.1)
	assert(pickup.is_queued_for_deletion())
	assert(inventory.get_cargo_used() == ShipInventory.CARGO_SIZE)
	assert(inventory.get_energy_bank_count() == 1)
	assert(not inventory.use_energy_bank())
	assert(inventory.get_energy_bank_count() == 1)
	ship.set("max_energy", 250.0)
	ship.set("energy", 100.0)
	assert(inventory.use_energy_bank())
	assert(is_equal_approx(float(ship.get("energy")), 125.0))
	assert(inventory.get_energy_bank_count() == 0)
	assert(not inventory.use_energy_bank())
	assert(inventory.add_item(item))
	ship.set("energy", 240.0)
	ship.set("is_docked", true)
	assert(not inventory.use_energy_bank())
	ship.set("is_docked", false)
	var press := InputEventAction.new()
	press.action = "use_energy_bank"
	press.pressed = true
	ship.call("_unhandled_key_input", press)
	assert(is_equal_approx(float(ship.get("energy")), 250.0))
	assert(inventory.get_energy_bank_count() == 0)
	assert(inventory.add_item(item))
	inventory.preserve_for_restart()
	assert(GameState.restart_inventory["energy_banks"] == 1)
	assert(GameState.restart_inventory["cargo"][0].definition != BANK)
	# Old slot-based banks are converted once when restoring a ship.
	GameState.restart_inventory["cargo"][0] = item
	var restored := PLAYER.instantiate() as CharacterBody2D
	restored.name = "RestoredShip"
	add_child(restored)
	restored.set_physics_process(false)
	restored.get_node("WeaponController").set_physics_process(false)
	var restored_inventory := restored.get_node("ShipInventory") as ShipInventory
	assert(restored_inventory.get_energy_bank_count() == 2)
	assert(restored_inventory.cargo[0] == null)
	assert(restored_inventory.get_cargo_used() == ShipInventory.CARGO_SIZE - 1)
	assert(is_equal_approx(preload("res://resources/items/gamma_cannon.tres").weapon_range, 400.0))
	print("ENERGY_BANK_TEST: PASS (pickup, full cargo, 10% maximum, cap, full energy, empty cargo, docked, R, persistence, gamma range)")
	get_tree().quit()