extends SceneTree

const SANDBOX_STAGE: PackedScene = preload("res://scenes/stage/sandbox_stage.tscn")
const STAGE_SCENERY_ARTWORK: Script = preload("res://scripts/stage/scenery/stage_scenery_artwork.gd")
const CAPTURE_PATH: String = "res://tests/phase19_selected_artwork_depth_inspector.png"


func _initialize() -> void:
	call_deferred("_capture")


func _capture() -> void:
	root.size = Vector2i(1280, 720)
	var stage: SandboxStage = SANDBOX_STAGE.instantiate() as SandboxStage
	root.add_child(stage)
	await _wait_for_render_frames(3)
	var artwork: StageSceneryArtwork = STAGE_SCENERY_ARTWORK.new() as StageSceneryArtwork
	artwork.display_name = "Round Tree"
	artwork.set_depth(&"near")
	if not artwork.load_visual("res://content/props/art_tree-v2.prop"):
		push_error("Depth inspector visual capture could not load the tree artwork.")
		artwork.free()
		stage.queue_free()
		quit(1)
		return
	artwork.position = Vector2(-300.0, -120.0)
	(stage.get_node("World") as Node2D).add_child(artwork)
	var camera: Camera2D = stage.get_node("Camera2D") as Camera2D
	camera.position = Vector2.ZERO
	camera.zoom = Vector2(0.85, 0.85)
	stage.call("_on_grid_toggled", false)
	stage.call("_enter_scenery_edit_mode")
	(stage.get("_selection") as StageSelection).select_only(artwork)
	stage.call("_refresh_scenery_inspector")
	await _wait_for_render_frames(6)
	var inspector: StageInspectorPanel = stage.get("_scenery_inspector") as StageInspectorPanel
	var section: Control = stage.get("_scenery_depth_section") as Control
	if inspector == null or not inspector.visible or section == null or not section.visible:
		push_error("Depth inspector visual capture did not show its selected-artwork section.")
		stage.queue_free()
		quit(1)
		return
	var capture: Image = root.get_texture().get_image()
	var error: Error = capture.save_png(ProjectSettings.globalize_path(CAPTURE_PATH))
	print("VISUAL selected artwork depth inspector path=%s size=%s save_error=%s" % [CAPTURE_PATH, str(capture.get_size()), str(error)])
	stage.queue_free()
	await process_frame
	quit(0 if error == OK else 1)


func _wait_for_render_frames(count: int) -> void:
	for _frame: int in count:
		await process_frame
	await RenderingServer.frame_post_draw