extends Node2D

const PLAYER := preload("res://scenes/game/player_ship.tscn")

func _ready() -> void:
	GameState.start_new_run()
	var ship := PLAYER.instantiate() as CharacterBody2D
	add_child(ship)
	ship.set_physics_process(false)
	ship.get_node("WeaponController").set_physics_process(false)
	ship.set("energy_regeneration", 0.0)
	ship.set("energy", 100.0)
	ship.velocity = Vector2.UP*ship.max_speed
	var boost_cost: float = ship.get_mini_boost_energy_cost()
	var tab := InputEventKey.new()
	tab.physical_keycode = KEY_TAB
	assert(InputMap.action_has_event("ship_mini_boost", tab))
	Input.action_press("ship_mini_boost")
	ship.call("_physics_process", 1.0)
	assert(ship.call("is_mini_boosting"))
	assert(is_equal_approx(ship.get("energy"), 100.0-boost_cost))
	assert(is_equal_approx(ship.velocity.length(), ship.get("max_speed") * 2.0))
	var engine := ship.get_node("EngineVisual")
	engine.call("_process", 0.2)
	assert(engine.get("_mini_boost"))
	var particles: Array = engine.get("_trail_particles")
	assert(not particles.is_empty() and particles[0]["boost"])
	Input.action_release("ship_mini_boost")
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting"))
	var released_speed := ship.velocity.length()
	assert(released_speed > ship.get("max_speed"))
	assert(is_equal_approx(released_speed, ship.get("max_speed") * 2.0 - ship.get("space_drag") * 0.1))
	Input.action_press("ship_thrust")
	ship.call("_physics_process", 0.1)
	assert(is_equal_approx(ship.velocity.length(), released_speed - ship.get("space_drag") * 0.1))
	Input.action_release("ship_thrust")
	for frame in 120:
		ship.call("_physics_process", 0.1)
	assert(ship.velocity.length() <= ship.get("max_speed"))
	ship.set("energy", 0.0)
	Input.action_press("ship_mini_boost")
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting"))
	ship.set("energy", 100.0)
	ship.velocity = Vector2.UP*ship.max_speed
	Input.action_release("ship_mini_boost")
	ship.call("_physics_process", 0.1)
	Input.action_press("ship_mini_boost")
	ship.call("_physics_process", 1.0)
	ship.set("energy", 0.0)
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting"))
	assert(is_equal_approx(ship.velocity.length(), ship.get("max_speed") * 2.0 - ship.get("space_drag") * 0.1))
	ship.set("energy", 20.0)
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting") and ship.get("energy") == 20.0)
	Input.action_release("ship_mini_boost")
	ship.call("_physics_process", 0.1)
	Input.action_press("ship_mini_boost")
	ship.call("_physics_process", 0.1)
	assert(ship.call("is_mini_boosting") and is_equal_approx(ship.get("energy"),20.0-boost_cost*0.1))
	Input.action_press("ship_brake")
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting") and is_equal_approx(ship.get("energy"),20.0-boost_cost*0.1))
	Input.action_release("ship_brake")
	ship.call("start_boost", 2.0, 0.5)
	ship.set("_boost_speed", ship.get("max_speed") * 2.0)
	ship.call("_physics_process", 0.1)
	assert(ship.call("_get_allowed_speed") == ship.get("max_speed") * 3.0)
	ship.set("is_docked", true)
	ship.call("_physics_process", 0.1)
	assert(not ship.call("is_mini_boosting"))
	Input.action_release("ship_mini_boost")
	print("MINI_BOOST_TEST: PASS (Tab mapping, double speed, energy drain, chassis-colored boost trail, release, exhaustion latch, braking, afterburner and docking)")