extends Node2D

const DEFINITION := preload("res://resources/items/external_turret.tres")

func _ready() -> void:
	GameState.start_new_run()
	var game := preload("res://scenes/game/game.tscn").instantiate()
	add_child(game)
	game.set_physics_process(false)
	var ship: CharacterBody2D = game.player
	ship.set_physics_process(false)
	ship.get_node("WeaponController").set_physics_process(false)
	ship.get_node("ExtensionSystems").set_physics_process(false)
	for enemy in get_tree().get_nodes_in_group("enemies"): enemy.queue_free()
	ship.position = Vector2(0,1500)
	ship.rotation = 0.0
	ship.get_node("Camera2D").reset_smoothing()
	var inventory: ShipInventory = ship.get_node("ShipInventory")
	var item := ItemInstance.new()
	item.definition = DEFINITION
	inventory.weapon_slots[0] = item
	inventory.ammunition = 300
	inventory.inventory_changed.emit()
	var targets: Array[Node2D] = []
	for point in [Vector2(-260,-160),Vector2(260,-160)]:
		var enemy := preload("res://scenes/game/enemy_ship.tscn").instantiate()
		enemy.position = ship.position+point
		game.add_child(enemy)
		enemy.set_physics_process(false)
		enemy._player = ship
		enemy.max_hull = 10000.0
		enemy.hull = 10000.0
		targets.append(enemy)
	for point in [Vector2(-120,-70),Vector2(0,-120),Vector2(120,-70)]:
		var turret := Node2D.new()
		turret.set_script(preload("res://scripts/game/deployed_turret.gd"))
		turret.mother = ship
		turret.weapon = item
		turret.position = ship.position+point
		game.add_child(turret)
		turret.set_physics_process(false)
		turret._age = 1.0
		turret._fire_timer = 0.0
		turret._physics_process(0.1)
	var layer := CanvasLayer.new()
	layer.layer = 100
	add_child(layer)
	var panel := PanelContainer.new()
	panel.position = Vector2(340,80)
	var style := StyleBoxFlat.new()
	style.bg_color = Color("07121ee8")
	style.border_color = Color("619ab9")
	style.set_border_width_all(1)
	style.set_corner_radius_all(8)
	style.set_content_margin_all(14)
	panel.add_theme_stylebox_override("panel",style)
	layer.add_child(panel)
	var row := HBoxContainer.new()
	row.add_theme_constant_override("separation",14)
	panel.add_child(row)
	var icon := TextureRect.new()
	icon.texture = DEFINITION.icon
	icon.custom_minimum_size = Vector2(72,72)
	icon.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
	icon.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
	row.add_child(icon)
	var text := Label.new()
	text.text = "DZIAŁKA ZEWNĘTRZNE\n50 amunicji → 1 działko • 50 pocisków\nPołowa obrażeń działka maszynowego • Zasięg 550"
	text.add_theme_font_size_override("font_size",15)
	row.add_child(text)
	for frame in 12: await get_tree().process_frame
	for turret in get_tree().get_nodes_in_group("player_external_turrets"):
		turret.rotation = (targets[0].position-turret.position).angle()+PI*0.5
		turret._fire(targets[0])
		for child in game.get_children():
			if child.get_script() == preload("res://scripts/game/weapon_projectile.gd"):
				child.set_physics_process(false)
				child.position += child.direction*55.0
		turret.queue_redraw()
	await get_tree().process_frame
	await RenderingServer.frame_post_draw
	assert(get_viewport().get_texture().get_image().save_png("res://artifacts/external_turret_preview.png") == OK)
	print("EXTERNAL_TURRET_PREVIEW: PASS")
	get_tree().quit()