extends Node2D
const MINE = preload("res://scripts/game/enemy_mine.gd")

func create_mine(ship: CharacterBody2D) -> Node2D:
	var mine := Node2D.new()
	mine.set_script(MINE)
	mine.player = ship
	mine.position = Vector2.ZERO
	add_child(mine)
	mine.set_physics_process(false)
	return mine

func _ready() -> void:
	GameState.start_new_run()
	var ship := preload("res://scenes/game/player_ship.tscn").instantiate()
	add_child(ship)
	ship.set_physics_process(false)
	ship.get_node("WeaponController").set_physics_process(false)
	ship.get_node("ExtensionSystems").set_physics_process(false)
	ship.max_hull = 300.0
	ship.hull = 210.0
	ship.shields = 0.0
	var mine := create_mine(ship)
	assert(mine.has_node("MineArtwork"))
	var image := MINE.MINE_TEXTURE.get_image()
	if image.is_compressed():
		image.decompress()
	assert(image.get_pixel(0, 0).a == 0.0)
	assert(image.get_pixel(image.get_width() / 2, image.get_height() / 2).a > 0.9)
	mine._physics_process(0.69)
	assert(ship.hull == 210.0 and not mine._triggered)
	ship.position = Vector2(MINE.TRIGGER_RADIUS + 1.0, 0.0)
	mine._physics_process(0.02)
	assert(ship.hull == 210.0 and not mine._triggered)
	ship.position = Vector2(MINE.TRIGGER_RADIUS, 0.0)
	mine._physics_process(0.01)
	assert(mine._triggered and mine.is_queued_for_deletion())
	assert(is_equal_approx(ship.hull, 60.0), "Damage must use 50% of maximum hull (150), not current hull")
	mine._physics_process(0.01)
	assert(ship.hull == 60.0, "Mine must hit only once")
	ship.position = Vector2.ZERO
	ship.max_hull = 200.0
	ship.hull = 150.0
	ship.shields = 100.0
	var shielded_mine := create_mine(ship)
	shielded_mine._physics_process(0.8)
	assert(ship.shields == 0.0 and ship.hull == 150.0, "Normal shield absorption remains in effect")
	var expired := create_mine(ship)
	expired._physics_process(MINE.LIFETIME)
	assert(expired.is_queued_for_deletion() and not expired._triggered)
	print("ENEMY_MINE_TEST: PASS transparent artwork, 50% maximum hull, shields, arming, proximity, one explosion and expiry")
	get_tree().quit()